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-rw-r--r--src/lib/libcrypto/rsa/Makefile.ssl241
-rw-r--r--src/lib/libcrypto/rsa/rsa.h496
-rw-r--r--src/lib/libcrypto/rsa/rsa_asn1.c121
-rw-r--r--src/lib/libcrypto/rsa/rsa_chk.c184
-rw-r--r--src/lib/libcrypto/rsa/rsa_depr.c101
-rw-r--r--src/lib/libcrypto/rsa/rsa_eay.c913
-rw-r--r--src/lib/libcrypto/rsa/rsa_err.c179
-rw-r--r--src/lib/libcrypto/rsa/rsa_gen.c222
-rw-r--r--src/lib/libcrypto/rsa/rsa_lib.c234
-rw-r--r--src/lib/libcrypto/rsa/rsa_none.c98
-rw-r--r--src/lib/libcrypto/rsa/rsa_oaep.c220
-rw-r--r--src/lib/libcrypto/rsa/rsa_pk1.c224
-rw-r--r--src/lib/libcrypto/rsa/rsa_pss.c269
-rw-r--r--src/lib/libcrypto/rsa/rsa_saos.c150
-rw-r--r--src/lib/libcrypto/rsa/rsa_sign.c269
-rw-r--r--src/lib/libcrypto/rsa/rsa_ssl.c154
-rw-r--r--src/lib/libcrypto/rsa/rsa_x931.c177
17 files changed, 4252 insertions, 0 deletions
diff --git a/src/lib/libcrypto/rsa/Makefile.ssl b/src/lib/libcrypto/rsa/Makefile.ssl
new file mode 100644
index 0000000000..8089344a04
--- /dev/null
+++ b/src/lib/libcrypto/rsa/Makefile.ssl
@@ -0,0 +1,241 @@
1#
2# SSLeay/crypto/rsa/Makefile
3#
4
5DIR= rsa
6TOP= ../..
7CC= cc
8INCLUDES= -I.. -I$(TOP) -I../../include
9CFLAG=-g
10INSTALL_PREFIX=
11OPENSSLDIR= /usr/local/ssl
12INSTALLTOP=/usr/local/ssl
13MAKE= make -f Makefile.ssl
14MAKEDEPPROG= makedepend
15MAKEDEPEND= $(TOP)/util/domd $(TOP) -MD $(MAKEDEPPROG)
16MAKEFILE= Makefile.ssl
17AR= ar r
18
19CFLAGS= $(INCLUDES) $(CFLAG)
20
21GENERAL=Makefile
22TEST=rsa_test.c
23APPS=
24
25LIB=$(TOP)/libcrypto.a
26LIBSRC= rsa_eay.c rsa_gen.c rsa_lib.c rsa_sign.c rsa_saos.c rsa_err.c \
27 rsa_pk1.c rsa_ssl.c rsa_none.c rsa_oaep.c rsa_chk.c rsa_null.c \
28 rsa_asn1.c
29LIBOBJ= rsa_eay.o rsa_gen.o rsa_lib.o rsa_sign.o rsa_saos.o rsa_err.o \
30 rsa_pk1.o rsa_ssl.o rsa_none.o rsa_oaep.o rsa_chk.o rsa_null.o \
31 rsa_asn1.o
32
33SRC= $(LIBSRC)
34
35EXHEADER= rsa.h
36HEADER= $(EXHEADER)
37
38ALL= $(GENERAL) $(SRC) $(HEADER)
39
40top:
41 (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
42
43all: lib
44
45lib: $(LIBOBJ)
46 $(AR) $(LIB) $(LIBOBJ)
47 $(RANLIB) $(LIB) || echo Never mind.
48 @touch lib
49
50files:
51 $(PERL) $(TOP)/util/files.pl Makefile.ssl >> $(TOP)/MINFO
52
53links:
54 @sh $(TOP)/util/point.sh Makefile.ssl Makefile
55 @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
56 @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
57 @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
58
59install:
60 @for i in $(EXHEADER) ; \
61 do \
62 (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
63 chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
64 done;
65
66tags:
67 ctags $(SRC)
68
69tests:
70
71lint:
72 lint -DLINT $(INCLUDES) $(SRC)>fluff
73
74depend:
75 $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
76
77dclean:
78 $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
79 mv -f Makefile.new $(MAKEFILE)
80
81clean:
82 rm -f *.o */*.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
83
84# DO NOT DELETE THIS LINE -- make depend depends on it.
85
86rsa_asn1.o: ../../e_os.h ../../include/openssl/asn1.h
87rsa_asn1.o: ../../include/openssl/asn1t.h ../../include/openssl/bio.h
88rsa_asn1.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
89rsa_asn1.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
90rsa_asn1.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
91rsa_asn1.o: ../../include/openssl/opensslconf.h
92rsa_asn1.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
93rsa_asn1.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
94rsa_asn1.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
95rsa_asn1.o: ../cryptlib.h rsa_asn1.c
96rsa_chk.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
97rsa_chk.o: ../../include/openssl/bn.h ../../include/openssl/crypto.h
98rsa_chk.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
99rsa_chk.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
100rsa_chk.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
101rsa_chk.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
102rsa_chk.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
103rsa_chk.o: rsa_chk.c
104rsa_eay.o: ../../e_os.h ../../include/openssl/asn1.h
105rsa_eay.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
106rsa_eay.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
107rsa_eay.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
108rsa_eay.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
109rsa_eay.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
110rsa_eay.o: ../../include/openssl/rand.h ../../include/openssl/rsa.h
111rsa_eay.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
112rsa_eay.o: ../../include/openssl/symhacks.h ../cryptlib.h rsa_eay.c
113rsa_err.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
114rsa_err.o: ../../include/openssl/bn.h ../../include/openssl/crypto.h
115rsa_err.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
116rsa_err.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
117rsa_err.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
118rsa_err.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
119rsa_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
120rsa_err.o: rsa_err.c
121rsa_gen.o: ../../e_os.h ../../include/openssl/asn1.h
122rsa_gen.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
123rsa_gen.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
124rsa_gen.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
125rsa_gen.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
126rsa_gen.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
127rsa_gen.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
128rsa_gen.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
129rsa_gen.o: ../cryptlib.h rsa_gen.c
130rsa_lib.o: ../../e_os.h ../../include/openssl/asn1.h
131rsa_lib.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
132rsa_lib.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
133rsa_lib.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
134rsa_lib.o: ../../include/openssl/e_os2.h ../../include/openssl/engine.h
135rsa_lib.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
136rsa_lib.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
137rsa_lib.o: ../../include/openssl/ossl_typ.h ../../include/openssl/rand.h
138rsa_lib.o: ../../include/openssl/rsa.h ../../include/openssl/safestack.h
139rsa_lib.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
140rsa_lib.o: ../../include/openssl/ui.h ../cryptlib.h rsa_lib.c
141rsa_none.o: ../../e_os.h ../../include/openssl/asn1.h
142rsa_none.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
143rsa_none.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
144rsa_none.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
145rsa_none.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
146rsa_none.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
147rsa_none.o: ../../include/openssl/rand.h ../../include/openssl/rsa.h
148rsa_none.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
149rsa_none.o: ../../include/openssl/symhacks.h ../cryptlib.h rsa_none.c
150rsa_null.o: ../../e_os.h ../../include/openssl/asn1.h
151rsa_null.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
152rsa_null.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
153rsa_null.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
154rsa_null.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
155rsa_null.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
156rsa_null.o: ../../include/openssl/rand.h ../../include/openssl/rsa.h
157rsa_null.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
158rsa_null.o: ../../include/openssl/symhacks.h ../cryptlib.h rsa_null.c
159rsa_oaep.o: ../../e_os.h ../../include/openssl/aes.h
160rsa_oaep.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
161rsa_oaep.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
162rsa_oaep.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
163rsa_oaep.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
164rsa_oaep.o: ../../include/openssl/des_old.h ../../include/openssl/dh.h
165rsa_oaep.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
166rsa_oaep.o: ../../include/openssl/err.h ../../include/openssl/evp.h
167rsa_oaep.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
168rsa_oaep.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
169rsa_oaep.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
170rsa_oaep.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
171rsa_oaep.o: ../../include/openssl/opensslconf.h
172rsa_oaep.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
173rsa_oaep.o: ../../include/openssl/rand.h ../../include/openssl/rc2.h
174rsa_oaep.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
175rsa_oaep.o: ../../include/openssl/ripemd.h ../../include/openssl/rsa.h
176rsa_oaep.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
177rsa_oaep.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
178rsa_oaep.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
179rsa_oaep.o: ../cryptlib.h rsa_oaep.c
180rsa_pk1.o: ../../e_os.h ../../include/openssl/asn1.h
181rsa_pk1.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
182rsa_pk1.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
183rsa_pk1.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
184rsa_pk1.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
185rsa_pk1.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
186rsa_pk1.o: ../../include/openssl/rand.h ../../include/openssl/rsa.h
187rsa_pk1.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
188rsa_pk1.o: ../../include/openssl/symhacks.h ../cryptlib.h rsa_pk1.c
189rsa_saos.o: ../../e_os.h ../../include/openssl/aes.h
190rsa_saos.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
191rsa_saos.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
192rsa_saos.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
193rsa_saos.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
194rsa_saos.o: ../../include/openssl/des_old.h ../../include/openssl/dh.h
195rsa_saos.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
196rsa_saos.o: ../../include/openssl/err.h ../../include/openssl/evp.h
197rsa_saos.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
198rsa_saos.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
199rsa_saos.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
200rsa_saos.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
201rsa_saos.o: ../../include/openssl/opensslconf.h
202rsa_saos.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
203rsa_saos.o: ../../include/openssl/pkcs7.h ../../include/openssl/rc2.h
204rsa_saos.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
205rsa_saos.o: ../../include/openssl/ripemd.h ../../include/openssl/rsa.h
206rsa_saos.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
207rsa_saos.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
208rsa_saos.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
209rsa_saos.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
210rsa_saos.o: ../cryptlib.h rsa_saos.c
211rsa_sign.o: ../../e_os.h ../../include/openssl/aes.h
212rsa_sign.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
213rsa_sign.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
214rsa_sign.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
215rsa_sign.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
216rsa_sign.o: ../../include/openssl/des_old.h ../../include/openssl/dh.h
217rsa_sign.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
218rsa_sign.o: ../../include/openssl/err.h ../../include/openssl/evp.h
219rsa_sign.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
220rsa_sign.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
221rsa_sign.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
222rsa_sign.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
223rsa_sign.o: ../../include/openssl/opensslconf.h
224rsa_sign.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
225rsa_sign.o: ../../include/openssl/pkcs7.h ../../include/openssl/rc2.h
226rsa_sign.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
227rsa_sign.o: ../../include/openssl/ripemd.h ../../include/openssl/rsa.h
228rsa_sign.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
229rsa_sign.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
230rsa_sign.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
231rsa_sign.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
232rsa_sign.o: ../cryptlib.h rsa_sign.c
233rsa_ssl.o: ../../e_os.h ../../include/openssl/asn1.h
234rsa_ssl.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
235rsa_ssl.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
236rsa_ssl.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
237rsa_ssl.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
238rsa_ssl.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
239rsa_ssl.o: ../../include/openssl/rand.h ../../include/openssl/rsa.h
240rsa_ssl.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
241rsa_ssl.o: ../../include/openssl/symhacks.h ../cryptlib.h rsa_ssl.c
diff --git a/src/lib/libcrypto/rsa/rsa.h b/src/lib/libcrypto/rsa/rsa.h
new file mode 100644
index 0000000000..5bb932ae15
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa.h
@@ -0,0 +1,496 @@
1/* crypto/rsa/rsa.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_RSA_H
60#define HEADER_RSA_H
61
62#include <openssl/asn1.h>
63
64#ifndef OPENSSL_NO_BIO
65#include <openssl/bio.h>
66#endif
67#include <openssl/crypto.h>
68#include <openssl/ossl_typ.h>
69#ifndef OPENSSL_NO_DEPRECATED
70#include <openssl/bn.h>
71#endif
72
73#ifdef OPENSSL_NO_RSA
74#error RSA is disabled.
75#endif
76
77/* If this flag is set the RSA method is FIPS compliant and can be used
78 * in FIPS mode. This is set in the validated module method. If an
79 * application sets this flag in its own methods it is its reposibility
80 * to ensure the result is compliant.
81 */
82
83#define RSA_FLAG_FIPS_METHOD 0x0400
84
85/* If this flag is set the operations normally disabled in FIPS mode are
86 * permitted it is then the applications responsibility to ensure that the
87 * usage is compliant.
88 */
89
90#define RSA_FLAG_NON_FIPS_ALLOW 0x0400
91
92#ifdef OPENSSL_FIPS
93#define FIPS_RSA_SIZE_T int
94#endif
95
96#ifdef __cplusplus
97extern "C" {
98#endif
99
100/* Declared already in ossl_typ.h */
101/* typedef struct rsa_st RSA; */
102/* typedef struct rsa_meth_st RSA_METHOD; */
103
104struct rsa_meth_st
105 {
106 const char *name;
107 int (*rsa_pub_enc)(int flen,const unsigned char *from,
108 unsigned char *to,
109 RSA *rsa,int padding);
110 int (*rsa_pub_dec)(int flen,const unsigned char *from,
111 unsigned char *to,
112 RSA *rsa,int padding);
113 int (*rsa_priv_enc)(int flen,const unsigned char *from,
114 unsigned char *to,
115 RSA *rsa,int padding);
116 int (*rsa_priv_dec)(int flen,const unsigned char *from,
117 unsigned char *to,
118 RSA *rsa,int padding);
119 int (*rsa_mod_exp)(BIGNUM *r0,const BIGNUM *I,RSA *rsa,BN_CTX *ctx); /* Can be null */
120 int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
121 const BIGNUM *m, BN_CTX *ctx,
122 BN_MONT_CTX *m_ctx); /* Can be null */
123 int (*init)(RSA *rsa); /* called at new */
124 int (*finish)(RSA *rsa); /* called at free */
125 int flags; /* RSA_METHOD_FLAG_* things */
126 char *app_data; /* may be needed! */
127/* New sign and verify functions: some libraries don't allow arbitrary data
128 * to be signed/verified: this allows them to be used. Note: for this to work
129 * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
130 * RSA_sign(), RSA_verify() should be used instead. Note: for backwards
131 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
132 * option is set in 'flags'.
133 */
134 int (*rsa_sign)(int type,
135 const unsigned char *m, unsigned int m_length,
136 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
137 int (*rsa_verify)(int dtype,
138 const unsigned char *m, unsigned int m_length,
139 unsigned char *sigbuf, unsigned int siglen, const RSA *rsa);
140/* If this callback is NULL, the builtin software RSA key-gen will be used. This
141 * is for behavioural compatibility whilst the code gets rewired, but one day
142 * it would be nice to assume there are no such things as "builtin software"
143 * implementations. */
144 int (*rsa_keygen)(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
145 };
146
147struct rsa_st
148 {
149 /* The first parameter is used to pickup errors where
150 * this is passed instead of aEVP_PKEY, it is set to 0 */
151 int pad;
152 long version;
153 const RSA_METHOD *meth;
154 /* functional reference if 'meth' is ENGINE-provided */
155 ENGINE *engine;
156 BIGNUM *n;
157 BIGNUM *e;
158 BIGNUM *d;
159 BIGNUM *p;
160 BIGNUM *q;
161 BIGNUM *dmp1;
162 BIGNUM *dmq1;
163 BIGNUM *iqmp;
164 /* be careful using this if the RSA structure is shared */
165 CRYPTO_EX_DATA ex_data;
166 int references;
167 int flags;
168
169 /* Used to cache montgomery values */
170 BN_MONT_CTX *_method_mod_n;
171 BN_MONT_CTX *_method_mod_p;
172 BN_MONT_CTX *_method_mod_q;
173
174 /* all BIGNUM values are actually in the following data, if it is not
175 * NULL */
176 char *bignum_data;
177 BN_BLINDING *blinding;
178 BN_BLINDING *mt_blinding;
179 };
180
181#ifndef OPENSSL_RSA_MAX_MODULUS_BITS
182# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
183#endif
184
185#define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
186
187#ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
188# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
189#endif
190#ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
191# define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */
192#endif
193
194#define RSA_3 0x3L
195#define RSA_F4 0x10001L
196
197#define RSA_METHOD_FLAG_NO_CHECK 0x0001 /* don't check pub/private match */
198
199#define RSA_FLAG_CACHE_PUBLIC 0x0002
200#define RSA_FLAG_CACHE_PRIVATE 0x0004
201#define RSA_FLAG_BLINDING 0x0008
202#define RSA_FLAG_THREAD_SAFE 0x0010
203/* This flag means the private key operations will be handled by rsa_mod_exp
204 * and that they do not depend on the private key components being present:
205 * for example a key stored in external hardware. Without this flag bn_mod_exp
206 * gets called when private key components are absent.
207 */
208#define RSA_FLAG_EXT_PKEY 0x0020
209
210/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
211 */
212#define RSA_FLAG_SIGN_VER 0x0040
213
214#define RSA_FLAG_NO_BLINDING 0x0080 /* new with 0.9.6j and 0.9.7b; the built-in
215 * RSA implementation now uses blinding by
216 * default (ignoring RSA_FLAG_BLINDING),
217 * but other engines might not need it
218 */
219#define RSA_FLAG_NO_CONSTTIME 0x0100 /* new with 0.9.8f; the built-in RSA
220 * implementation now uses constant time
221 * operations by default in private key operations,
222 * e.g., constant time modular exponentiation,
223 * modular inverse without leaking branches,
224 * division without leaking branches. This
225 * flag disables these constant time
226 * operations and results in faster RSA
227 * private key operations.
228 */
229#ifndef OPENSSL_NO_DEPRECATED
230#define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME /* deprecated name for the flag*/
231 /* new with 0.9.7h; the built-in RSA
232 * implementation now uses constant time
233 * modular exponentiation for secret exponents
234 * by default. This flag causes the
235 * faster variable sliding window method to
236 * be used for all exponents.
237 */
238#endif
239
240
241#define RSA_PKCS1_PADDING 1
242#define RSA_SSLV23_PADDING 2
243#define RSA_NO_PADDING 3
244#define RSA_PKCS1_OAEP_PADDING 4
245#define RSA_X931_PADDING 5
246
247#define RSA_PKCS1_PADDING_SIZE 11
248
249#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
250#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
251
252RSA * RSA_new(void);
253RSA * RSA_new_method(ENGINE *engine);
254int RSA_size(const RSA *);
255
256/* Deprecated version */
257#ifndef OPENSSL_NO_DEPRECATED
258RSA * RSA_generate_key(int bits, unsigned long e,void
259 (*callback)(int,int,void *),void *cb_arg);
260#endif /* !defined(OPENSSL_NO_DEPRECATED) */
261
262/* New version */
263int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
264int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, BIGNUM *q2,
265 const BIGNUM *Xp1, const BIGNUM *Xp2, const BIGNUM *Xp,
266 const BIGNUM *Xq1, const BIGNUM *Xq2, const BIGNUM *Xq,
267 const BIGNUM *e, BN_GENCB *cb);
268int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e, BN_GENCB *cb);
269
270int RSA_check_key(const RSA *);
271 /* next 4 return -1 on error */
272int RSA_public_encrypt(int flen, const unsigned char *from,
273 unsigned char *to, RSA *rsa,int padding);
274int RSA_private_encrypt(int flen, const unsigned char *from,
275 unsigned char *to, RSA *rsa,int padding);
276int RSA_public_decrypt(int flen, const unsigned char *from,
277 unsigned char *to, RSA *rsa,int padding);
278int RSA_private_decrypt(int flen, const unsigned char *from,
279 unsigned char *to, RSA *rsa,int padding);
280void RSA_free (RSA *r);
281/* "up" the RSA object's reference count */
282int RSA_up_ref(RSA *r);
283
284int RSA_flags(const RSA *r);
285
286#ifdef OPENSSL_FIPS
287RSA *FIPS_rsa_new(void);
288void FIPS_rsa_free(RSA *r);
289#endif
290
291void RSA_set_default_method(const RSA_METHOD *meth);
292const RSA_METHOD *RSA_get_default_method(void);
293const RSA_METHOD *RSA_get_method(const RSA *rsa);
294int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
295
296/* This function needs the memory locking malloc callbacks to be installed */
297int RSA_memory_lock(RSA *r);
298
299/* these are the actual SSLeay RSA functions */
300const RSA_METHOD *RSA_PKCS1_SSLeay(void);
301
302const RSA_METHOD *RSA_null_method(void);
303
304DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
305DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
306
307#ifndef OPENSSL_NO_FP_API
308int RSA_print_fp(FILE *fp, const RSA *r,int offset);
309#endif
310
311#ifndef OPENSSL_NO_BIO
312int RSA_print(BIO *bp, const RSA *r,int offset);
313#endif
314
315#ifndef OPENSSL_NO_RC4
316int i2d_RSA_NET(const RSA *a, unsigned char **pp,
317 int (*cb)(char *buf, int len, const char *prompt, int verify),
318 int sgckey);
319RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
320 int (*cb)(char *buf, int len, const char *prompt, int verify),
321 int sgckey);
322
323int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
324 int (*cb)(char *buf, int len, const char *prompt,
325 int verify));
326RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
327 int (*cb)(char *buf, int len, const char *prompt,
328 int verify));
329#endif
330
331/* The following 2 functions sign and verify a X509_SIG ASN1 object
332 * inside PKCS#1 padded RSA encryption */
333int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
334 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
335int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
336 unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
337
338/* The following 2 function sign and verify a ASN1_OCTET_STRING
339 * object inside PKCS#1 padded RSA encryption */
340int RSA_sign_ASN1_OCTET_STRING(int type,
341 const unsigned char *m, unsigned int m_length,
342 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
343int RSA_verify_ASN1_OCTET_STRING(int type,
344 const unsigned char *m, unsigned int m_length,
345 unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
346
347int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
348void RSA_blinding_off(RSA *rsa);
349BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
350
351int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
352 const unsigned char *f,int fl);
353int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
354 const unsigned char *f,int fl,int rsa_len);
355int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
356 const unsigned char *f,int fl);
357int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
358 const unsigned char *f,int fl,int rsa_len);
359int PKCS1_MGF1(unsigned char *mask, long len,
360 const unsigned char *seed, long seedlen, const EVP_MD *dgst);
361int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
362 const unsigned char *f,int fl,
363 const unsigned char *p,int pl);
364int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
365 const unsigned char *f,int fl,int rsa_len,
366 const unsigned char *p,int pl);
367int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
368 const unsigned char *f,int fl);
369int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
370 const unsigned char *f,int fl,int rsa_len);
371int RSA_padding_add_none(unsigned char *to,int tlen,
372 const unsigned char *f,int fl);
373int RSA_padding_check_none(unsigned char *to,int tlen,
374 const unsigned char *f,int fl,int rsa_len);
375int RSA_padding_add_X931(unsigned char *to,int tlen,
376 const unsigned char *f,int fl);
377int RSA_padding_check_X931(unsigned char *to,int tlen,
378 const unsigned char *f,int fl,int rsa_len);
379int RSA_X931_hash_id(int nid);
380
381int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
382 const EVP_MD *Hash, const unsigned char *EM, int sLen);
383int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
384 const unsigned char *mHash,
385 const EVP_MD *Hash, int sLen);
386
387int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
388 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
389int RSA_set_ex_data(RSA *r,int idx,void *arg);
390void *RSA_get_ex_data(const RSA *r, int idx);
391
392RSA *RSAPublicKey_dup(RSA *rsa);
393RSA *RSAPrivateKey_dup(RSA *rsa);
394
395/* BEGIN ERROR CODES */
396/* The following lines are auto generated by the script mkerr.pl. Any changes
397 * made after this point may be overwritten when the script is next run.
398 */
399void ERR_load_RSA_strings(void);
400
401/* Error codes for the RSA functions. */
402
403/* Function codes. */
404#define RSA_F_FIPS_RSA_SIGN 140
405#define RSA_F_FIPS_RSA_VERIFY 141
406#define RSA_F_MEMORY_LOCK 100
407#define RSA_F_RSA_BUILTIN_KEYGEN 129
408#define RSA_F_RSA_CHECK_KEY 123
409#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
410#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
411#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
412#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
413#define RSA_F_RSA_GENERATE_KEY 105
414#define RSA_F_RSA_MEMORY_LOCK 130
415#define RSA_F_RSA_NEW_METHOD 106
416#define RSA_F_RSA_NULL 124
417#define RSA_F_RSA_NULL_MOD_EXP 131
418#define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132
419#define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133
420#define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134
421#define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135
422#define RSA_F_RSA_PADDING_ADD_NONE 107
423#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
424#define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125
425#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
426#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
427#define RSA_F_RSA_PADDING_ADD_SSLV23 110
428#define RSA_F_RSA_PADDING_ADD_X931 127
429#define RSA_F_RSA_PADDING_CHECK_NONE 111
430#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
431#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
432#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
433#define RSA_F_RSA_PADDING_CHECK_SSLV23 114
434#define RSA_F_RSA_PADDING_CHECK_X931 128
435#define RSA_F_RSA_PRINT 115
436#define RSA_F_RSA_PRINT_FP 116
437#define RSA_F_RSA_PRIVATE_ENCRYPT 137
438#define RSA_F_RSA_PUBLIC_DECRYPT 138
439#define RSA_F_RSA_SETUP_BLINDING 136
440#define RSA_F_RSA_SET_DEFAULT_METHOD 139
441#define RSA_F_RSA_SET_METHOD 142
442#define RSA_F_RSA_SIGN 117
443#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
444#define RSA_F_RSA_VERIFY 119
445#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
446#define RSA_F_RSA_VERIFY_PKCS1_PSS 126
447
448/* Reason codes. */
449#define RSA_R_ALGORITHM_MISMATCH 100
450#define RSA_R_BAD_E_VALUE 101
451#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
452#define RSA_R_BAD_PAD_BYTE_COUNT 103
453#define RSA_R_BAD_SIGNATURE 104
454#define RSA_R_BLOCK_TYPE_IS_NOT_01 106
455#define RSA_R_BLOCK_TYPE_IS_NOT_02 107
456#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
457#define RSA_R_DATA_TOO_LARGE 109
458#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
459#define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132
460#define RSA_R_DATA_TOO_SMALL 111
461#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
462#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
463#define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
464#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
465#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
466#define RSA_R_FIRST_OCTET_INVALID 133
467#define RSA_R_INVALID_HEADER 137
468#define RSA_R_INVALID_MESSAGE_LENGTH 131
469#define RSA_R_INVALID_PADDING 138
470#define RSA_R_INVALID_TRAILER 139
471#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
472#define RSA_R_KEY_SIZE_TOO_SMALL 120
473#define RSA_R_LAST_OCTET_INVALID 134
474#define RSA_R_MODULUS_TOO_LARGE 105
475#define RSA_R_NON_FIPS_METHOD 141
476#define RSA_R_NO_PUBLIC_EXPONENT 140
477#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
478#define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
479#define RSA_R_OAEP_DECODING_ERROR 121
480#define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 142
481#define RSA_R_PADDING_CHECK_FAILED 114
482#define RSA_R_P_NOT_PRIME 128
483#define RSA_R_Q_NOT_PRIME 129
484#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
485#define RSA_R_SLEN_CHECK_FAILED 136
486#define RSA_R_SLEN_RECOVERY_FAILED 135
487#define RSA_R_SSLV3_ROLLBACK_ATTACK 115
488#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
489#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
490#define RSA_R_UNKNOWN_PADDING_TYPE 118
491#define RSA_R_WRONG_SIGNATURE_LENGTH 119
492
493#ifdef __cplusplus
494}
495#endif
496#endif
diff --git a/src/lib/libcrypto/rsa/rsa_asn1.c b/src/lib/libcrypto/rsa/rsa_asn1.c
new file mode 100644
index 0000000000..6e8a803e81
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_asn1.c
@@ -0,0 +1,121 @@
1/* rsa_asn1.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/asn1t.h>
64
65static ASN1_METHOD method={
66 (I2D_OF(void)) i2d_RSAPrivateKey,
67 (D2I_OF(void)) d2i_RSAPrivateKey,
68 (void *(*)(void)) RSA_new,
69 (void (*)(void *)) RSA_free};
70
71ASN1_METHOD *RSAPrivateKey_asn1_meth(void)
72 {
73 return(&method);
74 }
75
76/* Override the default free and new methods */
77static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
78{
79 if(operation == ASN1_OP_NEW_PRE) {
80 *pval = (ASN1_VALUE *)RSA_new();
81 if(*pval) return 2;
82 return 0;
83 } else if(operation == ASN1_OP_FREE_PRE) {
84 RSA_free((RSA *)*pval);
85 *pval = NULL;
86 return 2;
87 }
88 return 1;
89}
90
91ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
92 ASN1_SIMPLE(RSA, version, LONG),
93 ASN1_SIMPLE(RSA, n, BIGNUM),
94 ASN1_SIMPLE(RSA, e, BIGNUM),
95 ASN1_SIMPLE(RSA, d, BIGNUM),
96 ASN1_SIMPLE(RSA, p, BIGNUM),
97 ASN1_SIMPLE(RSA, q, BIGNUM),
98 ASN1_SIMPLE(RSA, dmp1, BIGNUM),
99 ASN1_SIMPLE(RSA, dmq1, BIGNUM),
100 ASN1_SIMPLE(RSA, iqmp, BIGNUM)
101} ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)
102
103
104ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
105 ASN1_SIMPLE(RSA, n, BIGNUM),
106 ASN1_SIMPLE(RSA, e, BIGNUM),
107} ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
108
109IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPrivateKey, RSAPrivateKey)
110
111IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPublicKey, RSAPublicKey)
112
113RSA *RSAPublicKey_dup(RSA *rsa)
114 {
115 return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
116 }
117
118RSA *RSAPrivateKey_dup(RSA *rsa)
119 {
120 return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
121 }
diff --git a/src/lib/libcrypto/rsa/rsa_chk.c b/src/lib/libcrypto/rsa/rsa_chk.c
new file mode 100644
index 0000000000..9d848db8c6
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_chk.c
@@ -0,0 +1,184 @@
1/* crypto/rsa/rsa_chk.c -*- Mode: C; c-file-style: "eay" -*- */
2/* ====================================================================
3 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 */
50
51#include <openssl/bn.h>
52#include <openssl/err.h>
53#include <openssl/rsa.h>
54
55
56int RSA_check_key(const RSA *key)
57 {
58 BIGNUM *i, *j, *k, *l, *m;
59 BN_CTX *ctx;
60 int r;
61 int ret=1;
62
63 i = BN_new();
64 j = BN_new();
65 k = BN_new();
66 l = BN_new();
67 m = BN_new();
68 ctx = BN_CTX_new();
69 if (i == NULL || j == NULL || k == NULL || l == NULL ||
70 m == NULL || ctx == NULL)
71 {
72 ret = -1;
73 RSAerr(RSA_F_RSA_CHECK_KEY, ERR_R_MALLOC_FAILURE);
74 goto err;
75 }
76
77 /* p prime? */
78 r = BN_is_prime_ex(key->p, BN_prime_checks, NULL, NULL);
79 if (r != 1)
80 {
81 ret = r;
82 if (r != 0)
83 goto err;
84 RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_P_NOT_PRIME);
85 }
86
87 /* q prime? */
88 r = BN_is_prime_ex(key->q, BN_prime_checks, NULL, NULL);
89 if (r != 1)
90 {
91 ret = r;
92 if (r != 0)
93 goto err;
94 RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_Q_NOT_PRIME);
95 }
96
97 /* n = p*q? */
98 r = BN_mul(i, key->p, key->q, ctx);
99 if (!r) { ret = -1; goto err; }
100
101 if (BN_cmp(i, key->n) != 0)
102 {
103 ret = 0;
104 RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_N_DOES_NOT_EQUAL_P_Q);
105 }
106
107 /* d*e = 1 mod lcm(p-1,q-1)? */
108
109 r = BN_sub(i, key->p, BN_value_one());
110 if (!r) { ret = -1; goto err; }
111 r = BN_sub(j, key->q, BN_value_one());
112 if (!r) { ret = -1; goto err; }
113
114 /* now compute k = lcm(i,j) */
115 r = BN_mul(l, i, j, ctx);
116 if (!r) { ret = -1; goto err; }
117 r = BN_gcd(m, i, j, ctx);
118 if (!r) { ret = -1; goto err; }
119 r = BN_div(k, NULL, l, m, ctx); /* remainder is 0 */
120 if (!r) { ret = -1; goto err; }
121
122 r = BN_mod_mul(i, key->d, key->e, k, ctx);
123 if (!r) { ret = -1; goto err; }
124
125 if (!BN_is_one(i))
126 {
127 ret = 0;
128 RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_D_E_NOT_CONGRUENT_TO_1);
129 }
130
131 if (key->dmp1 != NULL && key->dmq1 != NULL && key->iqmp != NULL)
132 {
133 /* dmp1 = d mod (p-1)? */
134 r = BN_sub(i, key->p, BN_value_one());
135 if (!r) { ret = -1; goto err; }
136
137 r = BN_mod(j, key->d, i, ctx);
138 if (!r) { ret = -1; goto err; }
139
140 if (BN_cmp(j, key->dmp1) != 0)
141 {
142 ret = 0;
143 RSAerr(RSA_F_RSA_CHECK_KEY,
144 RSA_R_DMP1_NOT_CONGRUENT_TO_D);
145 }
146
147 /* dmq1 = d mod (q-1)? */
148 r = BN_sub(i, key->q, BN_value_one());
149 if (!r) { ret = -1; goto err; }
150
151 r = BN_mod(j, key->d, i, ctx);
152 if (!r) { ret = -1; goto err; }
153
154 if (BN_cmp(j, key->dmq1) != 0)
155 {
156 ret = 0;
157 RSAerr(RSA_F_RSA_CHECK_KEY,
158 RSA_R_DMQ1_NOT_CONGRUENT_TO_D);
159 }
160
161 /* iqmp = q^-1 mod p? */
162 if(!BN_mod_inverse(i, key->q, key->p, ctx))
163 {
164 ret = -1;
165 goto err;
166 }
167
168 if (BN_cmp(i, key->iqmp) != 0)
169 {
170 ret = 0;
171 RSAerr(RSA_F_RSA_CHECK_KEY,
172 RSA_R_IQMP_NOT_INVERSE_OF_Q);
173 }
174 }
175
176 err:
177 if (i != NULL) BN_free(i);
178 if (j != NULL) BN_free(j);
179 if (k != NULL) BN_free(k);
180 if (l != NULL) BN_free(l);
181 if (m != NULL) BN_free(m);
182 if (ctx != NULL) BN_CTX_free(ctx);
183 return (ret);
184 }
diff --git a/src/lib/libcrypto/rsa/rsa_depr.c b/src/lib/libcrypto/rsa/rsa_depr.c
new file mode 100644
index 0000000000..a859ded987
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_depr.c
@@ -0,0 +1,101 @@
1/* crypto/rsa/rsa_depr.c */
2/* ====================================================================
3 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56/* NB: This file contains deprecated functions (compatibility wrappers to the
57 * "new" versions). */
58
59#include <stdio.h>
60#include <time.h>
61#include "cryptlib.h"
62#include <openssl/bn.h>
63#include <openssl/rsa.h>
64
65#ifdef OPENSSL_NO_DEPRECATED
66
67static void *dummy=&dummy;
68
69#else
70
71RSA *RSA_generate_key(int bits, unsigned long e_value,
72 void (*callback)(int,int,void *), void *cb_arg)
73 {
74 BN_GENCB cb;
75 int i;
76 RSA *rsa = RSA_new();
77 BIGNUM *e = BN_new();
78
79 if(!rsa || !e) goto err;
80
81 /* The problem is when building with 8, 16, or 32 BN_ULONG,
82 * unsigned long can be larger */
83 for (i=0; i<(int)sizeof(unsigned long)*8; i++)
84 {
85 if (e_value & (1UL<<i))
86 if (BN_set_bit(e,i) == 0)
87 goto err;
88 }
89
90 BN_GENCB_set_old(&cb, callback, cb_arg);
91
92 if(RSA_generate_key_ex(rsa, bits, e, &cb)) {
93 BN_free(e);
94 return rsa;
95 }
96err:
97 if(e) BN_free(e);
98 if(rsa) RSA_free(rsa);
99 return 0;
100 }
101#endif
diff --git a/src/lib/libcrypto/rsa/rsa_eay.c b/src/lib/libcrypto/rsa/rsa_eay.c
new file mode 100644
index 0000000000..04ec789ee9
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_eay.c
@@ -0,0 +1,913 @@
1/* crypto/rsa/rsa_eay.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58/* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112#include <stdio.h>
113#include "cryptlib.h"
114#include <openssl/bn.h>
115#include <openssl/rsa.h>
116#include <openssl/rand.h>
117
118#if !defined(RSA_NULL) && !defined(OPENSSL_FIPS)
119
120static int RSA_eay_public_encrypt(int flen, const unsigned char *from,
121 unsigned char *to, RSA *rsa,int padding);
122static int RSA_eay_private_encrypt(int flen, const unsigned char *from,
123 unsigned char *to, RSA *rsa,int padding);
124static int RSA_eay_public_decrypt(int flen, const unsigned char *from,
125 unsigned char *to, RSA *rsa,int padding);
126static int RSA_eay_private_decrypt(int flen, const unsigned char *from,
127 unsigned char *to, RSA *rsa,int padding);
128static int RSA_eay_mod_exp(BIGNUM *r0, const BIGNUM *i, RSA *rsa, BN_CTX *ctx);
129static int RSA_eay_init(RSA *rsa);
130static int RSA_eay_finish(RSA *rsa);
131static RSA_METHOD rsa_pkcs1_eay_meth={
132 "Eric Young's PKCS#1 RSA",
133 RSA_eay_public_encrypt,
134 RSA_eay_public_decrypt, /* signature verification */
135 RSA_eay_private_encrypt, /* signing */
136 RSA_eay_private_decrypt,
137 RSA_eay_mod_exp,
138 BN_mod_exp_mont, /* XXX probably we should not use Montgomery if e == 3 */
139 RSA_eay_init,
140 RSA_eay_finish,
141 0, /* flags */
142 NULL,
143 0, /* rsa_sign */
144 0, /* rsa_verify */
145 NULL /* rsa_keygen */
146 };
147
148const RSA_METHOD *RSA_PKCS1_SSLeay(void)
149 {
150 return(&rsa_pkcs1_eay_meth);
151 }
152
153static int RSA_eay_public_encrypt(int flen, const unsigned char *from,
154 unsigned char *to, RSA *rsa, int padding)
155 {
156 BIGNUM *f,*ret;
157 int i,j,k,num=0,r= -1;
158 unsigned char *buf=NULL;
159 BN_CTX *ctx=NULL;
160
161 if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS)
162 {
163 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_MODULUS_TOO_LARGE);
164 return -1;
165 }
166
167 if (BN_ucmp(rsa->n, rsa->e) <= 0)
168 {
169 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
170 return -1;
171 }
172
173 /* for large moduli, enforce exponent limit */
174 if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS)
175 {
176 if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS)
177 {
178 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
179 return -1;
180 }
181 }
182
183 if ((ctx=BN_CTX_new()) == NULL) goto err;
184 BN_CTX_start(ctx);
185 f = BN_CTX_get(ctx);
186 ret = BN_CTX_get(ctx);
187 num=BN_num_bytes(rsa->n);
188 buf = OPENSSL_malloc(num);
189 if (!f || !ret || !buf)
190 {
191 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT,ERR_R_MALLOC_FAILURE);
192 goto err;
193 }
194
195 switch (padding)
196 {
197 case RSA_PKCS1_PADDING:
198 i=RSA_padding_add_PKCS1_type_2(buf,num,from,flen);
199 break;
200#ifndef OPENSSL_NO_SHA
201 case RSA_PKCS1_OAEP_PADDING:
202 i=RSA_padding_add_PKCS1_OAEP(buf,num,from,flen,NULL,0);
203 break;
204#endif
205 case RSA_SSLV23_PADDING:
206 i=RSA_padding_add_SSLv23(buf,num,from,flen);
207 break;
208 case RSA_NO_PADDING:
209 i=RSA_padding_add_none(buf,num,from,flen);
210 break;
211 default:
212 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT,RSA_R_UNKNOWN_PADDING_TYPE);
213 goto err;
214 }
215 if (i <= 0) goto err;
216
217 if (BN_bin2bn(buf,num,f) == NULL) goto err;
218
219 if (BN_ucmp(f, rsa->n) >= 0)
220 {
221 /* usually the padding functions would catch this */
222 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT,RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
223 goto err;
224 }
225
226 if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
227 if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
228 goto err;
229
230 if (!rsa->meth->bn_mod_exp(ret,f,rsa->e,rsa->n,ctx,
231 rsa->_method_mod_n)) goto err;
232
233 /* put in leading 0 bytes if the number is less than the
234 * length of the modulus */
235 j=BN_num_bytes(ret);
236 i=BN_bn2bin(ret,&(to[num-j]));
237 for (k=0; k<(num-i); k++)
238 to[k]=0;
239
240 r=num;
241err:
242 if (ctx != NULL)
243 {
244 BN_CTX_end(ctx);
245 BN_CTX_free(ctx);
246 }
247 if (buf != NULL)
248 {
249 OPENSSL_cleanse(buf,num);
250 OPENSSL_free(buf);
251 }
252 return(r);
253 }
254
255static BN_BLINDING *rsa_get_blinding(RSA *rsa, int *local, BN_CTX *ctx)
256{
257 BN_BLINDING *ret;
258 int got_write_lock = 0;
259
260 CRYPTO_r_lock(CRYPTO_LOCK_RSA);
261
262 if (rsa->blinding == NULL)
263 {
264 CRYPTO_r_unlock(CRYPTO_LOCK_RSA);
265 CRYPTO_w_lock(CRYPTO_LOCK_RSA);
266 got_write_lock = 1;
267
268 if (rsa->blinding == NULL)
269 rsa->blinding = RSA_setup_blinding(rsa, ctx);
270 }
271
272 ret = rsa->blinding;
273 if (ret == NULL)
274 goto err;
275
276 if (BN_BLINDING_get_thread_id(ret) == CRYPTO_thread_id())
277 {
278 /* rsa->blinding is ours! */
279
280 *local = 1;
281 }
282 else
283 {
284 /* resort to rsa->mt_blinding instead */
285
286 *local = 0; /* instructs rsa_blinding_convert(), rsa_blinding_invert()
287 * that the BN_BLINDING is shared, meaning that accesses
288 * require locks, and that the blinding factor must be
289 * stored outside the BN_BLINDING
290 */
291
292 if (rsa->mt_blinding == NULL)
293 {
294 if (!got_write_lock)
295 {
296 CRYPTO_r_unlock(CRYPTO_LOCK_RSA);
297 CRYPTO_w_lock(CRYPTO_LOCK_RSA);
298 got_write_lock = 1;
299 }
300
301 if (rsa->mt_blinding == NULL)
302 rsa->mt_blinding = RSA_setup_blinding(rsa, ctx);
303 }
304 ret = rsa->mt_blinding;
305 }
306
307 err:
308 if (got_write_lock)
309 CRYPTO_w_unlock(CRYPTO_LOCK_RSA);
310 else
311 CRYPTO_r_unlock(CRYPTO_LOCK_RSA);
312 return ret;
313}
314
315static int rsa_blinding_convert(BN_BLINDING *b, int local, BIGNUM *f,
316 BIGNUM *r, BN_CTX *ctx)
317{
318 if (local)
319 return BN_BLINDING_convert_ex(f, NULL, b, ctx);
320 else
321 {
322 int ret;
323 CRYPTO_r_lock(CRYPTO_LOCK_RSA_BLINDING);
324 ret = BN_BLINDING_convert_ex(f, r, b, ctx);
325 CRYPTO_r_unlock(CRYPTO_LOCK_RSA_BLINDING);
326 return ret;
327 }
328}
329
330static int rsa_blinding_invert(BN_BLINDING *b, int local, BIGNUM *f,
331 BIGNUM *r, BN_CTX *ctx)
332{
333 if (local)
334 return BN_BLINDING_invert_ex(f, NULL, b, ctx);
335 else
336 {
337 int ret;
338 CRYPTO_w_lock(CRYPTO_LOCK_RSA_BLINDING);
339 ret = BN_BLINDING_invert_ex(f, r, b, ctx);
340 CRYPTO_w_unlock(CRYPTO_LOCK_RSA_BLINDING);
341 return ret;
342 }
343}
344
345/* signing */
346static int RSA_eay_private_encrypt(int flen, const unsigned char *from,
347 unsigned char *to, RSA *rsa, int padding)
348 {
349 BIGNUM *f, *ret, *br, *res;
350 int i,j,k,num=0,r= -1;
351 unsigned char *buf=NULL;
352 BN_CTX *ctx=NULL;
353 int local_blinding = 0;
354 BN_BLINDING *blinding = NULL;
355
356 if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS)
357 {
358 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_MODULUS_TOO_LARGE);
359 return -1;
360 }
361
362 if (BN_ucmp(rsa->n, rsa->e) <= 0)
363 {
364 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
365 return -1;
366 }
367
368 /* for large moduli, enforce exponent limit */
369 if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS)
370 {
371 if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS)
372 {
373 RSAerr(RSA_F_RSA_EAY_PUBLIC_ENCRYPT, RSA_R_BAD_E_VALUE);
374 return -1;
375 }
376 }
377
378 if ((ctx=BN_CTX_new()) == NULL) goto err;
379 BN_CTX_start(ctx);
380 f = BN_CTX_get(ctx);
381 br = BN_CTX_get(ctx);
382 ret = BN_CTX_get(ctx);
383 num = BN_num_bytes(rsa->n);
384 buf = OPENSSL_malloc(num);
385 if(!f || !ret || !buf)
386 {
387 RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,ERR_R_MALLOC_FAILURE);
388 goto err;
389 }
390
391 switch (padding)
392 {
393 case RSA_PKCS1_PADDING:
394 i=RSA_padding_add_PKCS1_type_1(buf,num,from,flen);
395 break;
396 case RSA_X931_PADDING:
397 i=RSA_padding_add_X931(buf,num,from,flen);
398 break;
399 case RSA_NO_PADDING:
400 i=RSA_padding_add_none(buf,num,from,flen);
401 break;
402 case RSA_SSLV23_PADDING:
403 default:
404 RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,RSA_R_UNKNOWN_PADDING_TYPE);
405 goto err;
406 }
407 if (i <= 0) goto err;
408
409 if (BN_bin2bn(buf,num,f) == NULL) goto err;
410
411 if (BN_ucmp(f, rsa->n) >= 0)
412 {
413 /* usually the padding functions would catch this */
414 RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
415 goto err;
416 }
417
418 if (!(rsa->flags & RSA_FLAG_NO_BLINDING))
419 {
420 blinding = rsa_get_blinding(rsa, &local_blinding, ctx);
421 if (blinding == NULL)
422 {
423 RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_INTERNAL_ERROR);
424 goto err;
425 }
426 }
427
428 if (blinding != NULL)
429 if (!rsa_blinding_convert(blinding, local_blinding, f, br, ctx))
430 goto err;
431
432 if ( (rsa->flags & RSA_FLAG_EXT_PKEY) ||
433 ((rsa->p != NULL) &&
434 (rsa->q != NULL) &&
435 (rsa->dmp1 != NULL) &&
436 (rsa->dmq1 != NULL) &&
437 (rsa->iqmp != NULL)) )
438 {
439 if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx)) goto err;
440 }
441 else
442 {
443 BIGNUM local_d;
444 BIGNUM *d = NULL;
445
446 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
447 {
448 BN_init(&local_d);
449 d = &local_d;
450 BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
451 }
452 else
453 d= rsa->d;
454
455 if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
456 if(!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
457 goto err;
458
459 if (!rsa->meth->bn_mod_exp(ret,f,d,rsa->n,ctx,
460 rsa->_method_mod_n)) goto err;
461 }
462
463 if (blinding)
464 if (!rsa_blinding_invert(blinding, local_blinding, ret, br, ctx))
465 goto err;
466
467 if (padding == RSA_X931_PADDING)
468 {
469 BN_sub(f, rsa->n, ret);
470 if (BN_cmp(ret, f))
471 res = f;
472 else
473 res = ret;
474 }
475 else
476 res = ret;
477
478 /* put in leading 0 bytes if the number is less than the
479 * length of the modulus */
480 j=BN_num_bytes(res);
481 i=BN_bn2bin(res,&(to[num-j]));
482 for (k=0; k<(num-i); k++)
483 to[k]=0;
484
485 r=num;
486err:
487 if (ctx != NULL)
488 {
489 BN_CTX_end(ctx);
490 BN_CTX_free(ctx);
491 }
492 if (buf != NULL)
493 {
494 OPENSSL_cleanse(buf,num);
495 OPENSSL_free(buf);
496 }
497 return(r);
498 }
499
500static int RSA_eay_private_decrypt(int flen, const unsigned char *from,
501 unsigned char *to, RSA *rsa, int padding)
502 {
503 BIGNUM *f, *ret, *br;
504 int j,num=0,r= -1;
505 unsigned char *p;
506 unsigned char *buf=NULL;
507 BN_CTX *ctx=NULL;
508 int local_blinding = 0;
509 BN_BLINDING *blinding = NULL;
510
511 if((ctx = BN_CTX_new()) == NULL) goto err;
512 BN_CTX_start(ctx);
513 f = BN_CTX_get(ctx);
514 br = BN_CTX_get(ctx);
515 ret = BN_CTX_get(ctx);
516 num = BN_num_bytes(rsa->n);
517 buf = OPENSSL_malloc(num);
518 if(!f || !ret || !buf)
519 {
520 RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,ERR_R_MALLOC_FAILURE);
521 goto err;
522 }
523
524 /* This check was for equality but PGP does evil things
525 * and chops off the top '0' bytes */
526 if (flen > num)
527 {
528 RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,RSA_R_DATA_GREATER_THAN_MOD_LEN);
529 goto err;
530 }
531
532 /* make data into a big number */
533 if (BN_bin2bn(from,(int)flen,f) == NULL) goto err;
534
535 if (BN_ucmp(f, rsa->n) >= 0)
536 {
537 RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
538 goto err;
539 }
540
541 if (!(rsa->flags & RSA_FLAG_NO_BLINDING))
542 {
543 blinding = rsa_get_blinding(rsa, &local_blinding, ctx);
544 if (blinding == NULL)
545 {
546 RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT, ERR_R_INTERNAL_ERROR);
547 goto err;
548 }
549 }
550
551 if (blinding != NULL)
552 if (!rsa_blinding_convert(blinding, local_blinding, f, br, ctx))
553 goto err;
554
555 /* do the decrypt */
556 if ( (rsa->flags & RSA_FLAG_EXT_PKEY) ||
557 ((rsa->p != NULL) &&
558 (rsa->q != NULL) &&
559 (rsa->dmp1 != NULL) &&
560 (rsa->dmq1 != NULL) &&
561 (rsa->iqmp != NULL)) )
562 {
563 if (!rsa->meth->rsa_mod_exp(ret, f, rsa, ctx)) goto err;
564 }
565 else
566 {
567 BIGNUM local_d;
568 BIGNUM *d = NULL;
569
570 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
571 {
572 d = &local_d;
573 BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
574 }
575 else
576 d = rsa->d;
577
578 if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
579 if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
580 goto err;
581 if (!rsa->meth->bn_mod_exp(ret,f,d,rsa->n,ctx,
582 rsa->_method_mod_n))
583 goto err;
584 }
585
586 if (blinding)
587 if (!rsa_blinding_invert(blinding, local_blinding, ret, br, ctx))
588 goto err;
589
590 p=buf;
591 j=BN_bn2bin(ret,p); /* j is only used with no-padding mode */
592
593 switch (padding)
594 {
595 case RSA_PKCS1_PADDING:
596 r=RSA_padding_check_PKCS1_type_2(to,num,buf,j,num);
597 break;
598#ifndef OPENSSL_NO_SHA
599 case RSA_PKCS1_OAEP_PADDING:
600 r=RSA_padding_check_PKCS1_OAEP(to,num,buf,j,num,NULL,0);
601 break;
602#endif
603 case RSA_SSLV23_PADDING:
604 r=RSA_padding_check_SSLv23(to,num,buf,j,num);
605 break;
606 case RSA_NO_PADDING:
607 r=RSA_padding_check_none(to,num,buf,j,num);
608 break;
609 default:
610 RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,RSA_R_UNKNOWN_PADDING_TYPE);
611 goto err;
612 }
613 if (r < 0)
614 RSAerr(RSA_F_RSA_EAY_PRIVATE_DECRYPT,RSA_R_PADDING_CHECK_FAILED);
615
616err:
617 if (ctx != NULL)
618 {
619 BN_CTX_end(ctx);
620 BN_CTX_free(ctx);
621 }
622 if (buf != NULL)
623 {
624 OPENSSL_cleanse(buf,num);
625 OPENSSL_free(buf);
626 }
627 return(r);
628 }
629
630/* signature verification */
631static int RSA_eay_public_decrypt(int flen, const unsigned char *from,
632 unsigned char *to, RSA *rsa, int padding)
633 {
634 BIGNUM *f,*ret;
635 int i,num=0,r= -1;
636 unsigned char *p;
637 unsigned char *buf=NULL;
638 BN_CTX *ctx=NULL;
639
640 if (BN_num_bits(rsa->n) > OPENSSL_RSA_MAX_MODULUS_BITS)
641 {
642 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_MODULUS_TOO_LARGE);
643 return -1;
644 }
645
646 if (BN_ucmp(rsa->n, rsa->e) <= 0)
647 {
648 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_BAD_E_VALUE);
649 return -1;
650 }
651
652 /* for large moduli, enforce exponent limit */
653 if (BN_num_bits(rsa->n) > OPENSSL_RSA_SMALL_MODULUS_BITS)
654 {
655 if (BN_num_bits(rsa->e) > OPENSSL_RSA_MAX_PUBEXP_BITS)
656 {
657 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT, RSA_R_BAD_E_VALUE);
658 return -1;
659 }
660 }
661
662 if((ctx = BN_CTX_new()) == NULL) goto err;
663 BN_CTX_start(ctx);
664 f = BN_CTX_get(ctx);
665 ret = BN_CTX_get(ctx);
666 num=BN_num_bytes(rsa->n);
667 buf = OPENSSL_malloc(num);
668 if(!f || !ret || !buf)
669 {
670 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT,ERR_R_MALLOC_FAILURE);
671 goto err;
672 }
673
674 /* This check was for equality but PGP does evil things
675 * and chops off the top '0' bytes */
676 if (flen > num)
677 {
678 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT,RSA_R_DATA_GREATER_THAN_MOD_LEN);
679 goto err;
680 }
681
682 if (BN_bin2bn(from,flen,f) == NULL) goto err;
683
684 if (BN_ucmp(f, rsa->n) >= 0)
685 {
686 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT,RSA_R_DATA_TOO_LARGE_FOR_MODULUS);
687 goto err;
688 }
689
690 if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
691 if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
692 goto err;
693
694 if (!rsa->meth->bn_mod_exp(ret,f,rsa->e,rsa->n,ctx,
695 rsa->_method_mod_n)) goto err;
696
697 if ((padding == RSA_X931_PADDING) && ((ret->d[0] & 0xf) != 12))
698 BN_sub(ret, rsa->n, ret);
699
700 p=buf;
701 i=BN_bn2bin(ret,p);
702
703 switch (padding)
704 {
705 case RSA_PKCS1_PADDING:
706 r=RSA_padding_check_PKCS1_type_1(to,num,buf,i,num);
707 break;
708 case RSA_X931_PADDING:
709 r=RSA_padding_check_X931(to,num,buf,i,num);
710 break;
711 case RSA_NO_PADDING:
712 r=RSA_padding_check_none(to,num,buf,i,num);
713 break;
714 default:
715 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT,RSA_R_UNKNOWN_PADDING_TYPE);
716 goto err;
717 }
718 if (r < 0)
719 RSAerr(RSA_F_RSA_EAY_PUBLIC_DECRYPT,RSA_R_PADDING_CHECK_FAILED);
720
721err:
722 if (ctx != NULL)
723 {
724 BN_CTX_end(ctx);
725 BN_CTX_free(ctx);
726 }
727 if (buf != NULL)
728 {
729 OPENSSL_cleanse(buf,num);
730 OPENSSL_free(buf);
731 }
732 return(r);
733 }
734
735static int RSA_eay_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
736 {
737 BIGNUM *r1,*m1,*vrfy;
738 BIGNUM local_dmp1,local_dmq1,local_c,local_r1;
739 BIGNUM *dmp1,*dmq1,*c,*pr1;
740 int ret=0;
741
742 BN_CTX_start(ctx);
743 r1 = BN_CTX_get(ctx);
744 m1 = BN_CTX_get(ctx);
745 vrfy = BN_CTX_get(ctx);
746
747 {
748 BIGNUM local_p, local_q;
749 BIGNUM *p = NULL, *q = NULL;
750
751 /* Make sure BN_mod_inverse in Montgomery intialization uses the
752 * BN_FLG_CONSTTIME flag (unless RSA_FLAG_NO_CONSTTIME is set)
753 */
754 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
755 {
756 BN_init(&local_p);
757 p = &local_p;
758 BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);
759
760 BN_init(&local_q);
761 q = &local_q;
762 BN_with_flags(q, rsa->q, BN_FLG_CONSTTIME);
763 }
764 else
765 {
766 p = rsa->p;
767 q = rsa->q;
768 }
769
770 if (rsa->flags & RSA_FLAG_CACHE_PRIVATE)
771 {
772 if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_p, CRYPTO_LOCK_RSA, p, ctx))
773 goto err;
774 if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_q, CRYPTO_LOCK_RSA, q, ctx))
775 goto err;
776 }
777 }
778
779 if (rsa->flags & RSA_FLAG_CACHE_PUBLIC)
780 if (!BN_MONT_CTX_set_locked(&rsa->_method_mod_n, CRYPTO_LOCK_RSA, rsa->n, ctx))
781 goto err;
782
783 /* compute I mod q */
784 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
785 {
786 c = &local_c;
787 BN_with_flags(c, I, BN_FLG_CONSTTIME);
788 if (!BN_mod(r1,c,rsa->q,ctx)) goto err;
789 }
790 else
791 {
792 if (!BN_mod(r1,I,rsa->q,ctx)) goto err;
793 }
794
795 /* compute r1^dmq1 mod q */
796 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
797 {
798 dmq1 = &local_dmq1;
799 BN_with_flags(dmq1, rsa->dmq1, BN_FLG_CONSTTIME);
800 }
801 else
802 dmq1 = rsa->dmq1;
803 if (!rsa->meth->bn_mod_exp(m1,r1,dmq1,rsa->q,ctx,
804 rsa->_method_mod_q)) goto err;
805
806 /* compute I mod p */
807 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
808 {
809 c = &local_c;
810 BN_with_flags(c, I, BN_FLG_CONSTTIME);
811 if (!BN_mod(r1,c,rsa->p,ctx)) goto err;
812 }
813 else
814 {
815 if (!BN_mod(r1,I,rsa->p,ctx)) goto err;
816 }
817
818 /* compute r1^dmp1 mod p */
819 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
820 {
821 dmp1 = &local_dmp1;
822 BN_with_flags(dmp1, rsa->dmp1, BN_FLG_CONSTTIME);
823 }
824 else
825 dmp1 = rsa->dmp1;
826 if (!rsa->meth->bn_mod_exp(r0,r1,dmp1,rsa->p,ctx,
827 rsa->_method_mod_p)) goto err;
828
829 if (!BN_sub(r0,r0,m1)) goto err;
830 /* This will help stop the size of r0 increasing, which does
831 * affect the multiply if it optimised for a power of 2 size */
832 if (BN_is_negative(r0))
833 if (!BN_add(r0,r0,rsa->p)) goto err;
834
835 if (!BN_mul(r1,r0,rsa->iqmp,ctx)) goto err;
836
837 /* Turn BN_FLG_CONSTTIME flag on before division operation */
838 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
839 {
840 pr1 = &local_r1;
841 BN_with_flags(pr1, r1, BN_FLG_CONSTTIME);
842 }
843 else
844 pr1 = r1;
845 if (!BN_mod(r0,pr1,rsa->p,ctx)) goto err;
846
847 /* If p < q it is occasionally possible for the correction of
848 * adding 'p' if r0 is negative above to leave the result still
849 * negative. This can break the private key operations: the following
850 * second correction should *always* correct this rare occurrence.
851 * This will *never* happen with OpenSSL generated keys because
852 * they ensure p > q [steve]
853 */
854 if (BN_is_negative(r0))
855 if (!BN_add(r0,r0,rsa->p)) goto err;
856 if (!BN_mul(r1,r0,rsa->q,ctx)) goto err;
857 if (!BN_add(r0,r1,m1)) goto err;
858
859 if (rsa->e && rsa->n)
860 {
861 if (!rsa->meth->bn_mod_exp(vrfy,r0,rsa->e,rsa->n,ctx,rsa->_method_mod_n)) goto err;
862 /* If 'I' was greater than (or equal to) rsa->n, the operation
863 * will be equivalent to using 'I mod n'. However, the result of
864 * the verify will *always* be less than 'n' so we don't check
865 * for absolute equality, just congruency. */
866 if (!BN_sub(vrfy, vrfy, I)) goto err;
867 if (!BN_mod(vrfy, vrfy, rsa->n, ctx)) goto err;
868 if (BN_is_negative(vrfy))
869 if (!BN_add(vrfy, vrfy, rsa->n)) goto err;
870 if (!BN_is_zero(vrfy))
871 {
872 /* 'I' and 'vrfy' aren't congruent mod n. Don't leak
873 * miscalculated CRT output, just do a raw (slower)
874 * mod_exp and return that instead. */
875
876 BIGNUM local_d;
877 BIGNUM *d = NULL;
878
879 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
880 {
881 d = &local_d;
882 BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
883 }
884 else
885 d = rsa->d;
886 if (!rsa->meth->bn_mod_exp(r0,I,d,rsa->n,ctx,
887 rsa->_method_mod_n)) goto err;
888 }
889 }
890 ret=1;
891err:
892 BN_CTX_end(ctx);
893 return(ret);
894 }
895
896static int RSA_eay_init(RSA *rsa)
897 {
898 rsa->flags|=RSA_FLAG_CACHE_PUBLIC|RSA_FLAG_CACHE_PRIVATE;
899 return(1);
900 }
901
902static int RSA_eay_finish(RSA *rsa)
903 {
904 if (rsa->_method_mod_n != NULL)
905 BN_MONT_CTX_free(rsa->_method_mod_n);
906 if (rsa->_method_mod_p != NULL)
907 BN_MONT_CTX_free(rsa->_method_mod_p);
908 if (rsa->_method_mod_q != NULL)
909 BN_MONT_CTX_free(rsa->_method_mod_q);
910 return(1);
911 }
912
913#endif
diff --git a/src/lib/libcrypto/rsa/rsa_err.c b/src/lib/libcrypto/rsa/rsa_err.c
new file mode 100644
index 0000000000..501f5ea389
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_err.c
@@ -0,0 +1,179 @@
1/* crypto/rsa/rsa_err.c */
2/* ====================================================================
3 * Copyright (c) 1999-2007 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56/* NOTE: this file was auto generated by the mkerr.pl script: any changes
57 * made to it will be overwritten when the script next updates this file,
58 * only reason strings will be preserved.
59 */
60
61#include <stdio.h>
62#include <openssl/err.h>
63#include <openssl/rsa.h>
64
65/* BEGIN ERROR CODES */
66#ifndef OPENSSL_NO_ERR
67
68#define ERR_FUNC(func) ERR_PACK(ERR_LIB_RSA,func,0)
69#define ERR_REASON(reason) ERR_PACK(ERR_LIB_RSA,0,reason)
70
71static ERR_STRING_DATA RSA_str_functs[]=
72 {
73{ERR_FUNC(RSA_F_FIPS_RSA_SIGN), "FIPS_RSA_SIGN"},
74{ERR_FUNC(RSA_F_FIPS_RSA_VERIFY), "FIPS_RSA_VERIFY"},
75{ERR_FUNC(RSA_F_MEMORY_LOCK), "MEMORY_LOCK"},
76{ERR_FUNC(RSA_F_RSA_BUILTIN_KEYGEN), "RSA_BUILTIN_KEYGEN"},
77{ERR_FUNC(RSA_F_RSA_CHECK_KEY), "RSA_check_key"},
78{ERR_FUNC(RSA_F_RSA_EAY_PRIVATE_DECRYPT), "RSA_EAY_PRIVATE_DECRYPT"},
79{ERR_FUNC(RSA_F_RSA_EAY_PRIVATE_ENCRYPT), "RSA_EAY_PRIVATE_ENCRYPT"},
80{ERR_FUNC(RSA_F_RSA_EAY_PUBLIC_DECRYPT), "RSA_EAY_PUBLIC_DECRYPT"},
81{ERR_FUNC(RSA_F_RSA_EAY_PUBLIC_ENCRYPT), "RSA_EAY_PUBLIC_ENCRYPT"},
82{ERR_FUNC(RSA_F_RSA_GENERATE_KEY), "RSA_generate_key"},
83{ERR_FUNC(RSA_F_RSA_MEMORY_LOCK), "RSA_memory_lock"},
84{ERR_FUNC(RSA_F_RSA_NEW_METHOD), "RSA_new_method"},
85{ERR_FUNC(RSA_F_RSA_NULL), "RSA_NULL"},
86{ERR_FUNC(RSA_F_RSA_NULL_MOD_EXP), "RSA_NULL_MOD_EXP"},
87{ERR_FUNC(RSA_F_RSA_NULL_PRIVATE_DECRYPT), "RSA_NULL_PRIVATE_DECRYPT"},
88{ERR_FUNC(RSA_F_RSA_NULL_PRIVATE_ENCRYPT), "RSA_NULL_PRIVATE_ENCRYPT"},
89{ERR_FUNC(RSA_F_RSA_NULL_PUBLIC_DECRYPT), "RSA_NULL_PUBLIC_DECRYPT"},
90{ERR_FUNC(RSA_F_RSA_NULL_PUBLIC_ENCRYPT), "RSA_NULL_PUBLIC_ENCRYPT"},
91{ERR_FUNC(RSA_F_RSA_PADDING_ADD_NONE), "RSA_padding_add_none"},
92{ERR_FUNC(RSA_F_RSA_PADDING_ADD_PKCS1_OAEP), "RSA_padding_add_PKCS1_OAEP"},
93{ERR_FUNC(RSA_F_RSA_PADDING_ADD_PKCS1_PSS), "RSA_padding_add_PKCS1_PSS"},
94{ERR_FUNC(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1), "RSA_padding_add_PKCS1_type_1"},
95{ERR_FUNC(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2), "RSA_padding_add_PKCS1_type_2"},
96{ERR_FUNC(RSA_F_RSA_PADDING_ADD_SSLV23), "RSA_padding_add_SSLv23"},
97{ERR_FUNC(RSA_F_RSA_PADDING_ADD_X931), "RSA_padding_add_X931"},
98{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_NONE), "RSA_padding_check_none"},
99{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP), "RSA_padding_check_PKCS1_OAEP"},
100{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1), "RSA_padding_check_PKCS1_type_1"},
101{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2), "RSA_padding_check_PKCS1_type_2"},
102{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_SSLV23), "RSA_padding_check_SSLv23"},
103{ERR_FUNC(RSA_F_RSA_PADDING_CHECK_X931), "RSA_padding_check_X931"},
104{ERR_FUNC(RSA_F_RSA_PRINT), "RSA_print"},
105{ERR_FUNC(RSA_F_RSA_PRINT_FP), "RSA_print_fp"},
106{ERR_FUNC(RSA_F_RSA_PRIVATE_ENCRYPT), "RSA_private_encrypt"},
107{ERR_FUNC(RSA_F_RSA_PUBLIC_DECRYPT), "RSA_public_decrypt"},
108{ERR_FUNC(RSA_F_RSA_SETUP_BLINDING), "RSA_setup_blinding"},
109{ERR_FUNC(RSA_F_RSA_SET_DEFAULT_METHOD), "RSA_set_default_method"},
110{ERR_FUNC(RSA_F_RSA_SET_METHOD), "RSA_set_method"},
111{ERR_FUNC(RSA_F_RSA_SIGN), "RSA_sign"},
112{ERR_FUNC(RSA_F_RSA_SIGN_ASN1_OCTET_STRING), "RSA_sign_ASN1_OCTET_STRING"},
113{ERR_FUNC(RSA_F_RSA_VERIFY), "RSA_verify"},
114{ERR_FUNC(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING), "RSA_verify_ASN1_OCTET_STRING"},
115{ERR_FUNC(RSA_F_RSA_VERIFY_PKCS1_PSS), "RSA_verify_PKCS1_PSS"},
116{0,NULL}
117 };
118
119static ERR_STRING_DATA RSA_str_reasons[]=
120 {
121{ERR_REASON(RSA_R_ALGORITHM_MISMATCH) ,"algorithm mismatch"},
122{ERR_REASON(RSA_R_BAD_E_VALUE) ,"bad e value"},
123{ERR_REASON(RSA_R_BAD_FIXED_HEADER_DECRYPT),"bad fixed header decrypt"},
124{ERR_REASON(RSA_R_BAD_PAD_BYTE_COUNT) ,"bad pad byte count"},
125{ERR_REASON(RSA_R_BAD_SIGNATURE) ,"bad signature"},
126{ERR_REASON(RSA_R_BLOCK_TYPE_IS_NOT_01) ,"block type is not 01"},
127{ERR_REASON(RSA_R_BLOCK_TYPE_IS_NOT_02) ,"block type is not 02"},
128{ERR_REASON(RSA_R_DATA_GREATER_THAN_MOD_LEN),"data greater than mod len"},
129{ERR_REASON(RSA_R_DATA_TOO_LARGE) ,"data too large"},
130{ERR_REASON(RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),"data too large for key size"},
131{ERR_REASON(RSA_R_DATA_TOO_LARGE_FOR_MODULUS),"data too large for modulus"},
132{ERR_REASON(RSA_R_DATA_TOO_SMALL) ,"data too small"},
133{ERR_REASON(RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE),"data too small for key size"},
134{ERR_REASON(RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY),"digest too big for rsa key"},
135{ERR_REASON(RSA_R_DMP1_NOT_CONGRUENT_TO_D),"dmp1 not congruent to d"},
136{ERR_REASON(RSA_R_DMQ1_NOT_CONGRUENT_TO_D),"dmq1 not congruent to d"},
137{ERR_REASON(RSA_R_D_E_NOT_CONGRUENT_TO_1),"d e not congruent to 1"},
138{ERR_REASON(RSA_R_FIRST_OCTET_INVALID) ,"first octet invalid"},
139{ERR_REASON(RSA_R_INVALID_HEADER) ,"invalid header"},
140{ERR_REASON(RSA_R_INVALID_MESSAGE_LENGTH),"invalid message length"},
141{ERR_REASON(RSA_R_INVALID_PADDING) ,"invalid padding"},
142{ERR_REASON(RSA_R_INVALID_TRAILER) ,"invalid trailer"},
143{ERR_REASON(RSA_R_IQMP_NOT_INVERSE_OF_Q) ,"iqmp not inverse of q"},
144{ERR_REASON(RSA_R_KEY_SIZE_TOO_SMALL) ,"key size too small"},
145{ERR_REASON(RSA_R_LAST_OCTET_INVALID) ,"last octet invalid"},
146{ERR_REASON(RSA_R_MODULUS_TOO_LARGE) ,"modulus too large"},
147{ERR_REASON(RSA_R_NON_FIPS_METHOD) ,"non fips method"},
148{ERR_REASON(RSA_R_NO_PUBLIC_EXPONENT) ,"no public exponent"},
149{ERR_REASON(RSA_R_NULL_BEFORE_BLOCK_MISSING),"null before block missing"},
150{ERR_REASON(RSA_R_N_DOES_NOT_EQUAL_P_Q) ,"n does not equal p q"},
151{ERR_REASON(RSA_R_OAEP_DECODING_ERROR) ,"oaep decoding error"},
152{ERR_REASON(RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE),"operation not allowed in fips mode"},
153{ERR_REASON(RSA_R_PADDING_CHECK_FAILED) ,"padding check failed"},
154{ERR_REASON(RSA_R_P_NOT_PRIME) ,"p not prime"},
155{ERR_REASON(RSA_R_Q_NOT_PRIME) ,"q not prime"},
156{ERR_REASON(RSA_R_RSA_OPERATIONS_NOT_SUPPORTED),"rsa operations not supported"},
157{ERR_REASON(RSA_R_SLEN_CHECK_FAILED) ,"salt length check failed"},
158{ERR_REASON(RSA_R_SLEN_RECOVERY_FAILED) ,"salt length recovery failed"},
159{ERR_REASON(RSA_R_SSLV3_ROLLBACK_ATTACK) ,"sslv3 rollback attack"},
160{ERR_REASON(RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD),"the asn1 object identifier is not known for this md"},
161{ERR_REASON(RSA_R_UNKNOWN_ALGORITHM_TYPE),"unknown algorithm type"},
162{ERR_REASON(RSA_R_UNKNOWN_PADDING_TYPE) ,"unknown padding type"},
163{ERR_REASON(RSA_R_WRONG_SIGNATURE_LENGTH),"wrong signature length"},
164{0,NULL}
165 };
166
167#endif
168
169void ERR_load_RSA_strings(void)
170 {
171#ifndef OPENSSL_NO_ERR
172
173 if (ERR_func_error_string(RSA_str_functs[0].error) == NULL)
174 {
175 ERR_load_strings(0,RSA_str_functs);
176 ERR_load_strings(0,RSA_str_reasons);
177 }
178#endif
179 }
diff --git a/src/lib/libcrypto/rsa/rsa_gen.c b/src/lib/libcrypto/rsa/rsa_gen.c
new file mode 100644
index 0000000000..41278f83c6
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_gen.c
@@ -0,0 +1,222 @@
1/* crypto/rsa/rsa_gen.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59
60/* NB: these functions have been "upgraded", the deprecated versions (which are
61 * compatibility wrappers using these functions) are in rsa_depr.c.
62 * - Geoff
63 */
64
65#include <stdio.h>
66#include <time.h>
67#include "cryptlib.h"
68#include <openssl/bn.h>
69#include <openssl/rsa.h>
70
71#ifndef OPENSSL_FIPS
72
73static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb);
74
75/* NB: this wrapper would normally be placed in rsa_lib.c and the static
76 * implementation would probably be in rsa_eay.c. Nonetheless, is kept here so
77 * that we don't introduce a new linker dependency. Eg. any application that
78 * wasn't previously linking object code related to key-generation won't have to
79 * now just because key-generation is part of RSA_METHOD. */
80int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
81 {
82 if(rsa->meth->rsa_keygen)
83 return rsa->meth->rsa_keygen(rsa, bits, e_value, cb);
84 return rsa_builtin_keygen(rsa, bits, e_value, cb);
85 }
86
87static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
88 {
89 BIGNUM *r0=NULL,*r1=NULL,*r2=NULL,*r3=NULL,*tmp;
90 BIGNUM local_r0,local_d,local_p;
91 BIGNUM *pr0,*d,*p;
92 int bitsp,bitsq,ok= -1,n=0;
93 BN_CTX *ctx=NULL;
94
95 ctx=BN_CTX_new();
96 if (ctx == NULL) goto err;
97 BN_CTX_start(ctx);
98 r0 = BN_CTX_get(ctx);
99 r1 = BN_CTX_get(ctx);
100 r2 = BN_CTX_get(ctx);
101 r3 = BN_CTX_get(ctx);
102 if (r3 == NULL) goto err;
103
104 bitsp=(bits+1)/2;
105 bitsq=bits-bitsp;
106
107 /* We need the RSA components non-NULL */
108 if(!rsa->n && ((rsa->n=BN_new()) == NULL)) goto err;
109 if(!rsa->d && ((rsa->d=BN_new()) == NULL)) goto err;
110 if(!rsa->e && ((rsa->e=BN_new()) == NULL)) goto err;
111 if(!rsa->p && ((rsa->p=BN_new()) == NULL)) goto err;
112 if(!rsa->q && ((rsa->q=BN_new()) == NULL)) goto err;
113 if(!rsa->dmp1 && ((rsa->dmp1=BN_new()) == NULL)) goto err;
114 if(!rsa->dmq1 && ((rsa->dmq1=BN_new()) == NULL)) goto err;
115 if(!rsa->iqmp && ((rsa->iqmp=BN_new()) == NULL)) goto err;
116
117 BN_copy(rsa->e, e_value);
118
119 /* generate p and q */
120 for (;;)
121 {
122 if(!BN_generate_prime_ex(rsa->p, bitsp, 0, NULL, NULL, cb))
123 goto err;
124 if (!BN_sub(r2,rsa->p,BN_value_one())) goto err;
125 if (!BN_gcd(r1,r2,rsa->e,ctx)) goto err;
126 if (BN_is_one(r1)) break;
127 if(!BN_GENCB_call(cb, 2, n++))
128 goto err;
129 }
130 if(!BN_GENCB_call(cb, 3, 0))
131 goto err;
132 for (;;)
133 {
134 /* When generating ridiculously small keys, we can get stuck
135 * continually regenerating the same prime values. Check for
136 * this and bail if it happens 3 times. */
137 unsigned int degenerate = 0;
138 do
139 {
140 if(!BN_generate_prime_ex(rsa->q, bitsq, 0, NULL, NULL, cb))
141 goto err;
142 } while((BN_cmp(rsa->p, rsa->q) == 0) && (++degenerate < 3));
143 if(degenerate == 3)
144 {
145 ok = 0; /* we set our own err */
146 RSAerr(RSA_F_RSA_BUILTIN_KEYGEN,RSA_R_KEY_SIZE_TOO_SMALL);
147 goto err;
148 }
149 if (!BN_sub(r2,rsa->q,BN_value_one())) goto err;
150 if (!BN_gcd(r1,r2,rsa->e,ctx)) goto err;
151 if (BN_is_one(r1))
152 break;
153 if(!BN_GENCB_call(cb, 2, n++))
154 goto err;
155 }
156 if(!BN_GENCB_call(cb, 3, 1))
157 goto err;
158 if (BN_cmp(rsa->p,rsa->q) < 0)
159 {
160 tmp=rsa->p;
161 rsa->p=rsa->q;
162 rsa->q=tmp;
163 }
164
165 /* calculate n */
166 if (!BN_mul(rsa->n,rsa->p,rsa->q,ctx)) goto err;
167
168 /* calculate d */
169 if (!BN_sub(r1,rsa->p,BN_value_one())) goto err; /* p-1 */
170 if (!BN_sub(r2,rsa->q,BN_value_one())) goto err; /* q-1 */
171 if (!BN_mul(r0,r1,r2,ctx)) goto err; /* (p-1)(q-1) */
172 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
173 {
174 pr0 = &local_r0;
175 BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);
176 }
177 else
178 pr0 = r0;
179 if (!BN_mod_inverse(rsa->d,rsa->e,pr0,ctx)) goto err; /* d */
180
181 /* set up d for correct BN_FLG_CONSTTIME flag */
182 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
183 {
184 d = &local_d;
185 BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
186 }
187 else
188 d = rsa->d;
189
190 /* calculate d mod (p-1) */
191 if (!BN_mod(rsa->dmp1,d,r1,ctx)) goto err;
192
193 /* calculate d mod (q-1) */
194 if (!BN_mod(rsa->dmq1,d,r2,ctx)) goto err;
195
196 /* calculate inverse of q mod p */
197 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
198 {
199 p = &local_p;
200 BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);
201 }
202 else
203 p = rsa->p;
204 if (!BN_mod_inverse(rsa->iqmp,rsa->q,p,ctx)) goto err;
205
206 ok=1;
207err:
208 if (ok == -1)
209 {
210 RSAerr(RSA_F_RSA_BUILTIN_KEYGEN,ERR_LIB_BN);
211 ok=0;
212 }
213 if (ctx != NULL)
214 {
215 BN_CTX_end(ctx);
216 BN_CTX_free(ctx);
217 }
218
219 return ok;
220 }
221
222#endif
diff --git a/src/lib/libcrypto/rsa/rsa_lib.c b/src/lib/libcrypto/rsa/rsa_lib.c
new file mode 100644
index 0000000000..5714841f4c
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_lib.c
@@ -0,0 +1,234 @@
1/* crypto/rsa/rsa_lib.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <openssl/crypto.h>
61#include "cryptlib.h"
62#include <openssl/lhash.h>
63#include <openssl/bn.h>
64#include <openssl/rsa.h>
65#include <openssl/rand.h>
66#ifndef OPENSSL_NO_ENGINE
67#include <openssl/engine.h>
68#endif
69
70int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to,
71 RSA *rsa, int padding)
72 {
73 return(rsa->meth->rsa_pub_enc(flen, from, to, rsa, padding));
74 }
75
76int RSA_private_encrypt(int flen, const unsigned char *from, unsigned char *to,
77 RSA *rsa, int padding)
78 {
79#ifdef OPENSSL_FIPS
80 if(FIPS_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW))
81 {
82 RSAerr(RSA_F_RSA_PRIVATE_ENCRYPT, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
83 return 0;
84 }
85#endif
86 return(rsa->meth->rsa_priv_enc(flen, from, to, rsa, padding));
87 }
88
89int RSA_private_decrypt(int flen, const unsigned char *from, unsigned char *to,
90 RSA *rsa, int padding)
91 {
92 return(rsa->meth->rsa_priv_dec(flen, from, to, rsa, padding));
93 }
94
95int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to,
96 RSA *rsa, int padding)
97 {
98#ifdef OPENSSL_FIPS
99 if(FIPS_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW))
100 {
101 RSAerr(RSA_F_RSA_PUBLIC_DECRYPT, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
102 return 0;
103 }
104#endif
105 return(rsa->meth->rsa_pub_dec(flen, from, to, rsa, padding));
106 }
107
108int RSA_size(const RSA *r)
109 {
110 return(BN_num_bytes(r->n));
111 }
112
113void RSA_blinding_off(RSA *rsa)
114 {
115 if (rsa->blinding != NULL)
116 {
117 BN_BLINDING_free(rsa->blinding);
118 rsa->blinding=NULL;
119 }
120 rsa->flags &= ~RSA_FLAG_BLINDING;
121 rsa->flags |= RSA_FLAG_NO_BLINDING;
122 }
123
124int RSA_blinding_on(RSA *rsa, BN_CTX *ctx)
125 {
126 int ret=0;
127
128 if (rsa->blinding != NULL)
129 RSA_blinding_off(rsa);
130
131 rsa->blinding = RSA_setup_blinding(rsa, ctx);
132 if (rsa->blinding == NULL)
133 goto err;
134
135 rsa->flags |= RSA_FLAG_BLINDING;
136 rsa->flags &= ~RSA_FLAG_NO_BLINDING;
137 ret=1;
138err:
139 return(ret);
140 }
141
142static BIGNUM *rsa_get_public_exp(const BIGNUM *d, const BIGNUM *p,
143 const BIGNUM *q, BN_CTX *ctx)
144{
145 BIGNUM *ret = NULL, *r0, *r1, *r2;
146
147 if (d == NULL || p == NULL || q == NULL)
148 return NULL;
149
150 BN_CTX_start(ctx);
151 r0 = BN_CTX_get(ctx);
152 r1 = BN_CTX_get(ctx);
153 r2 = BN_CTX_get(ctx);
154 if (r2 == NULL)
155 goto err;
156
157 if (!BN_sub(r1, p, BN_value_one())) goto err;
158 if (!BN_sub(r2, q, BN_value_one())) goto err;
159 if (!BN_mul(r0, r1, r2, ctx)) goto err;
160
161 ret = BN_mod_inverse(NULL, d, r0, ctx);
162err:
163 BN_CTX_end(ctx);
164 return ret;
165}
166
167BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *in_ctx)
168{
169 BIGNUM local_n;
170 BIGNUM *e,*n;
171 BN_CTX *ctx;
172 BN_BLINDING *ret = NULL;
173
174 if (in_ctx == NULL)
175 {
176 if ((ctx = BN_CTX_new()) == NULL) return 0;
177 }
178 else
179 ctx = in_ctx;
180
181 BN_CTX_start(ctx);
182 e = BN_CTX_get(ctx);
183 if (e == NULL)
184 {
185 RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_MALLOC_FAILURE);
186 goto err;
187 }
188
189 if (rsa->e == NULL)
190 {
191 e = rsa_get_public_exp(rsa->d, rsa->p, rsa->q, ctx);
192 if (e == NULL)
193 {
194 RSAerr(RSA_F_RSA_SETUP_BLINDING, RSA_R_NO_PUBLIC_EXPONENT);
195 goto err;
196 }
197 }
198 else
199 e = rsa->e;
200
201
202 if ((RAND_status() == 0) && rsa->d != NULL && rsa->d->d != NULL)
203 {
204 /* if PRNG is not properly seeded, resort to secret
205 * exponent as unpredictable seed */
206 RAND_add(rsa->d->d, rsa->d->dmax * sizeof rsa->d->d[0], 0.0);
207 }
208
209 if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
210 {
211 /* Set BN_FLG_CONSTTIME flag */
212 n = &local_n;
213 BN_with_flags(n, rsa->n, BN_FLG_CONSTTIME);
214 }
215 else
216 n = rsa->n;
217
218 ret = BN_BLINDING_create_param(NULL, e, n, ctx,
219 rsa->meth->bn_mod_exp, rsa->_method_mod_n);
220 if (ret == NULL)
221 {
222 RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_BN_LIB);
223 goto err;
224 }
225 BN_BLINDING_set_thread_id(ret, CRYPTO_thread_id());
226err:
227 BN_CTX_end(ctx);
228 if (in_ctx == NULL)
229 BN_CTX_free(ctx);
230 if(rsa->e == NULL)
231 BN_free(e);
232
233 return ret;
234}
diff --git a/src/lib/libcrypto/rsa/rsa_none.c b/src/lib/libcrypto/rsa/rsa_none.c
new file mode 100644
index 0000000000..e6f3e627ca
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_none.c
@@ -0,0 +1,98 @@
1/* crypto/rsa/rsa_none.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/rand.h>
64
65int RSA_padding_add_none(unsigned char *to, int tlen,
66 const unsigned char *from, int flen)
67 {
68 if (flen > tlen)
69 {
70 RSAerr(RSA_F_RSA_PADDING_ADD_NONE,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
71 return(0);
72 }
73
74 if (flen < tlen)
75 {
76 RSAerr(RSA_F_RSA_PADDING_ADD_NONE,RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE);
77 return(0);
78 }
79
80 memcpy(to,from,(unsigned int)flen);
81 return(1);
82 }
83
84int RSA_padding_check_none(unsigned char *to, int tlen,
85 const unsigned char *from, int flen, int num)
86 {
87
88 if (flen > tlen)
89 {
90 RSAerr(RSA_F_RSA_PADDING_CHECK_NONE,RSA_R_DATA_TOO_LARGE);
91 return(-1);
92 }
93
94 memset(to,0,tlen-flen);
95 memcpy(to+tlen-flen,from,flen);
96 return(tlen);
97 }
98
diff --git a/src/lib/libcrypto/rsa/rsa_oaep.c b/src/lib/libcrypto/rsa/rsa_oaep.c
new file mode 100644
index 0000000000..4d30c9d2d3
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_oaep.c
@@ -0,0 +1,220 @@
1/* crypto/rsa/rsa_oaep.c */
2/* Written by Ulf Moeller. This software is distributed on an "AS IS"
3 basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. */
4
5/* EME-OAEP as defined in RFC 2437 (PKCS #1 v2.0) */
6
7/* See Victor Shoup, "OAEP reconsidered," Nov. 2000,
8 * <URL: http://www.shoup.net/papers/oaep.ps.Z>
9 * for problems with the security proof for the
10 * original OAEP scheme, which EME-OAEP is based on.
11 *
12 * A new proof can be found in E. Fujisaki, T. Okamoto,
13 * D. Pointcheval, J. Stern, "RSA-OEAP is Still Alive!",
14 * Dec. 2000, <URL: http://eprint.iacr.org/2000/061/>.
15 * The new proof has stronger requirements for the
16 * underlying permutation: "partial-one-wayness" instead
17 * of one-wayness. For the RSA function, this is
18 * an equivalent notion.
19 */
20
21
22#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
23#include <stdio.h>
24#include "cryptlib.h"
25#include <openssl/bn.h>
26#include <openssl/rsa.h>
27#include <openssl/evp.h>
28#include <openssl/rand.h>
29#include <openssl/sha.h>
30
31int MGF1(unsigned char *mask, long len,
32 const unsigned char *seed, long seedlen);
33
34int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
35 const unsigned char *from, int flen,
36 const unsigned char *param, int plen)
37 {
38 int i, emlen = tlen - 1;
39 unsigned char *db, *seed;
40 unsigned char *dbmask, seedmask[SHA_DIGEST_LENGTH];
41
42 if (flen > emlen - 2 * SHA_DIGEST_LENGTH - 1)
43 {
44 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_OAEP,
45 RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
46 return 0;
47 }
48
49 if (emlen < 2 * SHA_DIGEST_LENGTH + 1)
50 {
51 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_OAEP, RSA_R_KEY_SIZE_TOO_SMALL);
52 return 0;
53 }
54
55 dbmask = OPENSSL_malloc(emlen - SHA_DIGEST_LENGTH);
56 if (dbmask == NULL)
57 {
58 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_OAEP, ERR_R_MALLOC_FAILURE);
59 return 0;
60 }
61
62 to[0] = 0;
63 seed = to + 1;
64 db = to + SHA_DIGEST_LENGTH + 1;
65
66 EVP_Digest((void *)param, plen, db, NULL, EVP_sha1(), NULL);
67 memset(db + SHA_DIGEST_LENGTH, 0,
68 emlen - flen - 2 * SHA_DIGEST_LENGTH - 1);
69 db[emlen - flen - SHA_DIGEST_LENGTH - 1] = 0x01;
70 memcpy(db + emlen - flen - SHA_DIGEST_LENGTH, from, (unsigned int) flen);
71 if (RAND_bytes(seed, SHA_DIGEST_LENGTH) <= 0)
72 return 0;
73#ifdef PKCS_TESTVECT
74 memcpy(seed,
75 "\xaa\xfd\x12\xf6\x59\xca\xe6\x34\x89\xb4\x79\xe5\x07\x6d\xde\xc2\xf0\x6c\xb5\x8f",
76 20);
77#endif
78
79 MGF1(dbmask, emlen - SHA_DIGEST_LENGTH, seed, SHA_DIGEST_LENGTH);
80 for (i = 0; i < emlen - SHA_DIGEST_LENGTH; i++)
81 db[i] ^= dbmask[i];
82
83 MGF1(seedmask, SHA_DIGEST_LENGTH, db, emlen - SHA_DIGEST_LENGTH);
84 for (i = 0; i < SHA_DIGEST_LENGTH; i++)
85 seed[i] ^= seedmask[i];
86
87 OPENSSL_free(dbmask);
88 return 1;
89 }
90
91int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
92 const unsigned char *from, int flen, int num,
93 const unsigned char *param, int plen)
94 {
95 int i, dblen, mlen = -1;
96 const unsigned char *maskeddb;
97 int lzero;
98 unsigned char *db = NULL, seed[SHA_DIGEST_LENGTH], phash[SHA_DIGEST_LENGTH];
99 unsigned char *padded_from;
100 int bad = 0;
101
102 if (--num < 2 * SHA_DIGEST_LENGTH + 1)
103 /* 'num' is the length of the modulus, i.e. does not depend on the
104 * particular ciphertext. */
105 goto decoding_err;
106
107 lzero = num - flen;
108 if (lzero < 0)
109 {
110 /* signalling this error immediately after detection might allow
111 * for side-channel attacks (e.g. timing if 'plen' is huge
112 * -- cf. James H. Manger, "A Chosen Ciphertext Attack on RSA Optimal
113 * Asymmetric Encryption Padding (OAEP) [...]", CRYPTO 2001),
114 * so we use a 'bad' flag */
115 bad = 1;
116 lzero = 0;
117 flen = num; /* don't overflow the memcpy to padded_from */
118 }
119
120 dblen = num - SHA_DIGEST_LENGTH;
121 db = OPENSSL_malloc(dblen + num);
122 if (db == NULL)
123 {
124 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP, ERR_R_MALLOC_FAILURE);
125 return -1;
126 }
127
128 /* Always do this zero-padding copy (even when lzero == 0)
129 * to avoid leaking timing info about the value of lzero. */
130 padded_from = db + dblen;
131 memset(padded_from, 0, lzero);
132 memcpy(padded_from + lzero, from, flen);
133
134 maskeddb = padded_from + SHA_DIGEST_LENGTH;
135
136 MGF1(seed, SHA_DIGEST_LENGTH, maskeddb, dblen);
137 for (i = 0; i < SHA_DIGEST_LENGTH; i++)
138 seed[i] ^= padded_from[i];
139
140 MGF1(db, dblen, seed, SHA_DIGEST_LENGTH);
141 for (i = 0; i < dblen; i++)
142 db[i] ^= maskeddb[i];
143
144 EVP_Digest((void *)param, plen, phash, NULL, EVP_sha1(), NULL);
145
146 if (memcmp(db, phash, SHA_DIGEST_LENGTH) != 0 || bad)
147 goto decoding_err;
148 else
149 {
150 for (i = SHA_DIGEST_LENGTH; i < dblen; i++)
151 if (db[i] != 0x00)
152 break;
153 if (i == dblen || db[i] != 0x01)
154 goto decoding_err;
155 else
156 {
157 /* everything looks OK */
158
159 mlen = dblen - ++i;
160 if (tlen < mlen)
161 {
162 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP, RSA_R_DATA_TOO_LARGE);
163 mlen = -1;
164 }
165 else
166 memcpy(to, db + i, mlen);
167 }
168 }
169 OPENSSL_free(db);
170 return mlen;
171
172decoding_err:
173 /* to avoid chosen ciphertext attacks, the error message should not reveal
174 * which kind of decoding error happened */
175 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP, RSA_R_OAEP_DECODING_ERROR);
176 if (db != NULL) OPENSSL_free(db);
177 return -1;
178 }
179
180int PKCS1_MGF1(unsigned char *mask, long len,
181 const unsigned char *seed, long seedlen, const EVP_MD *dgst)
182 {
183 long i, outlen = 0;
184 unsigned char cnt[4];
185 EVP_MD_CTX c;
186 unsigned char md[EVP_MAX_MD_SIZE];
187 int mdlen;
188
189 EVP_MD_CTX_init(&c);
190 mdlen = M_EVP_MD_size(dgst);
191 for (i = 0; outlen < len; i++)
192 {
193 cnt[0] = (unsigned char)((i >> 24) & 255);
194 cnt[1] = (unsigned char)((i >> 16) & 255);
195 cnt[2] = (unsigned char)((i >> 8)) & 255;
196 cnt[3] = (unsigned char)(i & 255);
197 EVP_DigestInit_ex(&c,dgst, NULL);
198 EVP_DigestUpdate(&c, seed, seedlen);
199 EVP_DigestUpdate(&c, cnt, 4);
200 if (outlen + mdlen <= len)
201 {
202 EVP_DigestFinal_ex(&c, mask + outlen, NULL);
203 outlen += mdlen;
204 }
205 else
206 {
207 EVP_DigestFinal_ex(&c, md, NULL);
208 memcpy(mask + outlen, md, len - outlen);
209 outlen = len;
210 }
211 }
212 EVP_MD_CTX_cleanup(&c);
213 return 0;
214 }
215
216int MGF1(unsigned char *mask, long len, const unsigned char *seed, long seedlen)
217 {
218 return PKCS1_MGF1(mask, len, seed, seedlen, EVP_sha1());
219 }
220#endif
diff --git a/src/lib/libcrypto/rsa/rsa_pk1.c b/src/lib/libcrypto/rsa/rsa_pk1.c
new file mode 100644
index 0000000000..8560755f1d
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_pk1.c
@@ -0,0 +1,224 @@
1/* crypto/rsa/rsa_pk1.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/rand.h>
64
65int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
66 const unsigned char *from, int flen)
67 {
68 int j;
69 unsigned char *p;
70
71 if (flen > (tlen-RSA_PKCS1_PADDING_SIZE))
72 {
73 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
74 return(0);
75 }
76
77 p=(unsigned char *)to;
78
79 *(p++)=0;
80 *(p++)=1; /* Private Key BT (Block Type) */
81
82 /* pad out with 0xff data */
83 j=tlen-3-flen;
84 memset(p,0xff,j);
85 p+=j;
86 *(p++)='\0';
87 memcpy(p,from,(unsigned int)flen);
88 return(1);
89 }
90
91int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
92 const unsigned char *from, int flen, int num)
93 {
94 int i,j;
95 const unsigned char *p;
96
97 p=from;
98 if ((num != (flen+1)) || (*(p++) != 01))
99 {
100 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_BLOCK_TYPE_IS_NOT_01);
101 return(-1);
102 }
103
104 /* scan over padding data */
105 j=flen-1; /* one for type. */
106 for (i=0; i<j; i++)
107 {
108 if (*p != 0xff) /* should decrypt to 0xff */
109 {
110 if (*p == 0)
111 { p++; break; }
112 else {
113 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_BAD_FIXED_HEADER_DECRYPT);
114 return(-1);
115 }
116 }
117 p++;
118 }
119
120 if (i == j)
121 {
122 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_NULL_BEFORE_BLOCK_MISSING);
123 return(-1);
124 }
125
126 if (i < 8)
127 {
128 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_BAD_PAD_BYTE_COUNT);
129 return(-1);
130 }
131 i++; /* Skip over the '\0' */
132 j-=i;
133 if (j > tlen)
134 {
135 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_DATA_TOO_LARGE);
136 return(-1);
137 }
138 memcpy(to,p,(unsigned int)j);
139
140 return(j);
141 }
142
143int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
144 const unsigned char *from, int flen)
145 {
146 int i,j;
147 unsigned char *p;
148
149 if (flen > (tlen-11))
150 {
151 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
152 return(0);
153 }
154
155 p=(unsigned char *)to;
156
157 *(p++)=0;
158 *(p++)=2; /* Public Key BT (Block Type) */
159
160 /* pad out with non-zero random data */
161 j=tlen-3-flen;
162
163 if (RAND_bytes(p,j) <= 0)
164 return(0);
165 for (i=0; i<j; i++)
166 {
167 if (*p == '\0')
168 do {
169 if (RAND_bytes(p,1) <= 0)
170 return(0);
171 } while (*p == '\0');
172 p++;
173 }
174
175 *(p++)='\0';
176
177 memcpy(p,from,(unsigned int)flen);
178 return(1);
179 }
180
181int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
182 const unsigned char *from, int flen, int num)
183 {
184 int i,j;
185 const unsigned char *p;
186
187 p=from;
188 if ((num != (flen+1)) || (*(p++) != 02))
189 {
190 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_BLOCK_TYPE_IS_NOT_02);
191 return(-1);
192 }
193#ifdef PKCS1_CHECK
194 return(num-11);
195#endif
196
197 /* scan over padding data */
198 j=flen-1; /* one for type. */
199 for (i=0; i<j; i++)
200 if (*(p++) == 0) break;
201
202 if (i == j)
203 {
204 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_NULL_BEFORE_BLOCK_MISSING);
205 return(-1);
206 }
207
208 if (i < 8)
209 {
210 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_BAD_PAD_BYTE_COUNT);
211 return(-1);
212 }
213 i++; /* Skip over the '\0' */
214 j-=i;
215 if (j > tlen)
216 {
217 RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_DATA_TOO_LARGE);
218 return(-1);
219 }
220 memcpy(to,p,(unsigned int)j);
221
222 return(j);
223 }
224
diff --git a/src/lib/libcrypto/rsa/rsa_pss.c b/src/lib/libcrypto/rsa/rsa_pss.c
new file mode 100644
index 0000000000..9b993aca49
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_pss.c
@@ -0,0 +1,269 @@
1/* rsa_pss.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2005.
4 */
5/* ====================================================================
6 * Copyright (c) 2005 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/evp.h>
64#include <openssl/rand.h>
65#include <openssl/sha.h>
66
67static const unsigned char zeroes[] = {0,0,0,0,0,0,0,0};
68
69#if defined(_MSC_VER) && defined(_ARM_)
70#pragma optimize("g", off)
71#endif
72
73int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
74 const EVP_MD *Hash, const unsigned char *EM, int sLen)
75 {
76 int i;
77 int ret = 0;
78 int hLen, maskedDBLen, MSBits, emLen;
79 const unsigned char *H;
80 unsigned char *DB = NULL;
81 EVP_MD_CTX ctx;
82 unsigned char H_[EVP_MAX_MD_SIZE];
83
84 hLen = M_EVP_MD_size(Hash);
85 /*
86 * Negative sLen has special meanings:
87 * -1 sLen == hLen
88 * -2 salt length is autorecovered from signature
89 * -N reserved
90 */
91 if (sLen == -1) sLen = hLen;
92 else if (sLen == -2) sLen = -2;
93 else if (sLen < -2)
94 {
95 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_SLEN_CHECK_FAILED);
96 goto err;
97 }
98
99 MSBits = (BN_num_bits(rsa->n) - 1) & 0x7;
100 emLen = RSA_size(rsa);
101 if (EM[0] & (0xFF << MSBits))
102 {
103 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_FIRST_OCTET_INVALID);
104 goto err;
105 }
106 if (MSBits == 0)
107 {
108 EM++;
109 emLen--;
110 }
111 if (emLen < (hLen + sLen + 2)) /* sLen can be small negative */
112 {
113 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_DATA_TOO_LARGE);
114 goto err;
115 }
116 if (EM[emLen - 1] != 0xbc)
117 {
118 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_LAST_OCTET_INVALID);
119 goto err;
120 }
121 maskedDBLen = emLen - hLen - 1;
122 H = EM + maskedDBLen;
123 DB = OPENSSL_malloc(maskedDBLen);
124 if (!DB)
125 {
126 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, ERR_R_MALLOC_FAILURE);
127 goto err;
128 }
129 PKCS1_MGF1(DB, maskedDBLen, H, hLen, Hash);
130 for (i = 0; i < maskedDBLen; i++)
131 DB[i] ^= EM[i];
132 if (MSBits)
133 DB[0] &= 0xFF >> (8 - MSBits);
134 for (i = 0; DB[i] == 0 && i < (maskedDBLen-1); i++) ;
135 if (DB[i++] != 0x1)
136 {
137 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_SLEN_RECOVERY_FAILED);
138 goto err;
139 }
140 if (sLen >= 0 && (maskedDBLen - i) != sLen)
141 {
142 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_SLEN_CHECK_FAILED);
143 goto err;
144 }
145 EVP_MD_CTX_init(&ctx);
146 EVP_DigestInit_ex(&ctx, Hash, NULL);
147 EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes);
148 EVP_DigestUpdate(&ctx, mHash, hLen);
149 if (maskedDBLen - i)
150 EVP_DigestUpdate(&ctx, DB + i, maskedDBLen - i);
151 EVP_DigestFinal(&ctx, H_, NULL);
152 EVP_MD_CTX_cleanup(&ctx);
153 if (memcmp(H_, H, hLen))
154 {
155 RSAerr(RSA_F_RSA_VERIFY_PKCS1_PSS, RSA_R_BAD_SIGNATURE);
156 ret = 0;
157 }
158 else
159 ret = 1;
160
161 err:
162 if (DB)
163 OPENSSL_free(DB);
164
165 return ret;
166
167 }
168
169int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
170 const unsigned char *mHash,
171 const EVP_MD *Hash, int sLen)
172 {
173 int i;
174 int ret = 0;
175 int hLen, maskedDBLen, MSBits, emLen;
176 unsigned char *H, *salt = NULL, *p;
177 EVP_MD_CTX ctx;
178
179 hLen = M_EVP_MD_size(Hash);
180 /*
181 * Negative sLen has special meanings:
182 * -1 sLen == hLen
183 * -2 salt length is maximized
184 * -N reserved
185 */
186 if (sLen == -1) sLen = hLen;
187 else if (sLen == -2) sLen = -2;
188 else if (sLen < -2)
189 {
190 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS, RSA_R_SLEN_CHECK_FAILED);
191 goto err;
192 }
193
194 MSBits = (BN_num_bits(rsa->n) - 1) & 0x7;
195 emLen = RSA_size(rsa);
196 if (MSBits == 0)
197 {
198 *EM++ = 0;
199 emLen--;
200 }
201 if (sLen == -2)
202 {
203 sLen = emLen - hLen - 2;
204 }
205 else if (emLen < (hLen + sLen + 2))
206 {
207 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS,
208 RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
209 goto err;
210 }
211 if (sLen > 0)
212 {
213 salt = OPENSSL_malloc(sLen);
214 if (!salt)
215 {
216 RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_PSS,
217 ERR_R_MALLOC_FAILURE);
218 goto err;
219 }
220 if (!RAND_bytes(salt, sLen))
221 goto err;
222 }
223 maskedDBLen = emLen - hLen - 1;
224 H = EM + maskedDBLen;
225 EVP_MD_CTX_init(&ctx);
226 EVP_DigestInit_ex(&ctx, Hash, NULL);
227 EVP_DigestUpdate(&ctx, zeroes, sizeof zeroes);
228 EVP_DigestUpdate(&ctx, mHash, hLen);
229 if (sLen)
230 EVP_DigestUpdate(&ctx, salt, sLen);
231 EVP_DigestFinal(&ctx, H, NULL);
232 EVP_MD_CTX_cleanup(&ctx);
233
234 /* Generate dbMask in place then perform XOR on it */
235 PKCS1_MGF1(EM, maskedDBLen, H, hLen, Hash);
236
237 p = EM;
238
239 /* Initial PS XORs with all zeroes which is a NOP so just update
240 * pointer. Note from a test above this value is guaranteed to
241 * be non-negative.
242 */
243 p += emLen - sLen - hLen - 2;
244 *p++ ^= 0x1;
245 if (sLen > 0)
246 {
247 for (i = 0; i < sLen; i++)
248 *p++ ^= salt[i];
249 }
250 if (MSBits)
251 EM[0] &= 0xFF >> (8 - MSBits);
252
253 /* H is already in place so just set final 0xbc */
254
255 EM[emLen - 1] = 0xbc;
256
257 ret = 1;
258
259 err:
260 if (salt)
261 OPENSSL_free(salt);
262
263 return ret;
264
265 }
266
267#if defined(_MSC_VER)
268#pragma optimize("",on)
269#endif
diff --git a/src/lib/libcrypto/rsa/rsa_saos.c b/src/lib/libcrypto/rsa/rsa_saos.c
new file mode 100644
index 0000000000..f98e0a80a6
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_saos.c
@@ -0,0 +1,150 @@
1/* crypto/rsa/rsa_saos.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/objects.h>
64#include <openssl/x509.h>
65
66int RSA_sign_ASN1_OCTET_STRING(int type,
67 const unsigned char *m, unsigned int m_len,
68 unsigned char *sigret, unsigned int *siglen, RSA *rsa)
69 {
70 ASN1_OCTET_STRING sig;
71 int i,j,ret=1;
72 unsigned char *p,*s;
73
74 sig.type=V_ASN1_OCTET_STRING;
75 sig.length=m_len;
76 sig.data=(unsigned char *)m;
77
78 i=i2d_ASN1_OCTET_STRING(&sig,NULL);
79 j=RSA_size(rsa);
80 if (i > (j-RSA_PKCS1_PADDING_SIZE))
81 {
82 RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
83 return(0);
84 }
85 s=(unsigned char *)OPENSSL_malloc((unsigned int)j+1);
86 if (s == NULL)
87 {
88 RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
89 return(0);
90 }
91 p=s;
92 i2d_ASN1_OCTET_STRING(&sig,&p);
93 i=RSA_private_encrypt(i,s,sigret,rsa,RSA_PKCS1_PADDING);
94 if (i <= 0)
95 ret=0;
96 else
97 *siglen=i;
98
99 OPENSSL_cleanse(s,(unsigned int)j+1);
100 OPENSSL_free(s);
101 return(ret);
102 }
103
104int RSA_verify_ASN1_OCTET_STRING(int dtype,
105 const unsigned char *m,
106 unsigned int m_len, unsigned char *sigbuf, unsigned int siglen,
107 RSA *rsa)
108 {
109 int i,ret=0;
110 unsigned char *s;
111 const unsigned char *p;
112 ASN1_OCTET_STRING *sig=NULL;
113
114 if (siglen != (unsigned int)RSA_size(rsa))
115 {
116 RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_WRONG_SIGNATURE_LENGTH);
117 return(0);
118 }
119
120 s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen);
121 if (s == NULL)
122 {
123 RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
124 goto err;
125 }
126 i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING);
127
128 if (i <= 0) goto err;
129
130 p=s;
131 sig=d2i_ASN1_OCTET_STRING(NULL,&p,(long)i);
132 if (sig == NULL) goto err;
133
134 if ( ((unsigned int)sig->length != m_len) ||
135 (memcmp(m,sig->data,m_len) != 0))
136 {
137 RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_BAD_SIGNATURE);
138 }
139 else
140 ret=1;
141err:
142 if (sig != NULL) M_ASN1_OCTET_STRING_free(sig);
143 if (s != NULL)
144 {
145 OPENSSL_cleanse(s,(unsigned int)siglen);
146 OPENSSL_free(s);
147 }
148 return(ret);
149 }
150
diff --git a/src/lib/libcrypto/rsa/rsa_sign.c b/src/lib/libcrypto/rsa/rsa_sign.c
new file mode 100644
index 0000000000..5488c06f6d
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_sign.c
@@ -0,0 +1,269 @@
1/* crypto/rsa/rsa_sign.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/objects.h>
64#include <openssl/x509.h>
65
66/* Size of an SSL signature: MD5+SHA1 */
67#define SSL_SIG_LENGTH 36
68
69int RSA_sign(int type, const unsigned char *m, unsigned int m_len,
70 unsigned char *sigret, unsigned int *siglen, RSA *rsa)
71 {
72 X509_SIG sig;
73 ASN1_TYPE parameter;
74 int i,j,ret=1;
75 unsigned char *p, *tmps = NULL;
76 const unsigned char *s = NULL;
77 X509_ALGOR algor;
78 ASN1_OCTET_STRING digest;
79 if((rsa->flags & RSA_FLAG_SIGN_VER) && rsa->meth->rsa_sign)
80 {
81 return rsa->meth->rsa_sign(type, m, m_len,
82 sigret, siglen, rsa);
83 }
84 /* Special case: SSL signature, just check the length */
85 if(type == NID_md5_sha1) {
86 if(m_len != SSL_SIG_LENGTH) {
87 RSAerr(RSA_F_RSA_SIGN,RSA_R_INVALID_MESSAGE_LENGTH);
88 return(0);
89 }
90 i = SSL_SIG_LENGTH;
91 s = m;
92 } else {
93 /* NB: in FIPS mode block anything that isn't a TLS signature */
94#ifdef OPENSSL_FIPS
95 if(FIPS_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW))
96 {
97 RSAerr(RSA_F_RSA_SIGN, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
98 return 0;
99 }
100#endif
101 sig.algor= &algor;
102 sig.algor->algorithm=OBJ_nid2obj(type);
103 if (sig.algor->algorithm == NULL)
104 {
105 RSAerr(RSA_F_RSA_SIGN,RSA_R_UNKNOWN_ALGORITHM_TYPE);
106 return(0);
107 }
108 if (sig.algor->algorithm->length == 0)
109 {
110 RSAerr(RSA_F_RSA_SIGN,RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD);
111 return(0);
112 }
113 parameter.type=V_ASN1_NULL;
114 parameter.value.ptr=NULL;
115 sig.algor->parameter= &parameter;
116
117 sig.digest= &digest;
118 sig.digest->data=(unsigned char *)m; /* TMP UGLY CAST */
119 sig.digest->length=m_len;
120
121 i=i2d_X509_SIG(&sig,NULL);
122 }
123 j=RSA_size(rsa);
124 if (i > (j-RSA_PKCS1_PADDING_SIZE))
125 {
126 RSAerr(RSA_F_RSA_SIGN,RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
127 return(0);
128 }
129 if(type != NID_md5_sha1) {
130 tmps=(unsigned char *)OPENSSL_malloc((unsigned int)j+1);
131 if (tmps == NULL)
132 {
133 RSAerr(RSA_F_RSA_SIGN,ERR_R_MALLOC_FAILURE);
134 return(0);
135 }
136 p=tmps;
137 i2d_X509_SIG(&sig,&p);
138 s=tmps;
139 }
140 i=RSA_private_encrypt(i,s,sigret,rsa,RSA_PKCS1_PADDING);
141 if (i <= 0)
142 ret=0;
143 else
144 *siglen=i;
145
146 if(type != NID_md5_sha1) {
147 OPENSSL_cleanse(tmps,(unsigned int)j+1);
148 OPENSSL_free(tmps);
149 }
150 return(ret);
151 }
152
153int RSA_verify(int dtype, const unsigned char *m, unsigned int m_len,
154 unsigned char *sigbuf, unsigned int siglen, RSA *rsa)
155 {
156 int i,ret=0,sigtype;
157 unsigned char *s;
158 X509_SIG *sig=NULL;
159
160 if (siglen != (unsigned int)RSA_size(rsa))
161 {
162 RSAerr(RSA_F_RSA_VERIFY,RSA_R_WRONG_SIGNATURE_LENGTH);
163 return(0);
164 }
165
166 if((rsa->flags & RSA_FLAG_SIGN_VER) && rsa->meth->rsa_verify)
167 {
168 return rsa->meth->rsa_verify(dtype, m, m_len,
169 sigbuf, siglen, rsa);
170 }
171
172 s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen);
173 if (s == NULL)
174 {
175 RSAerr(RSA_F_RSA_VERIFY,ERR_R_MALLOC_FAILURE);
176 goto err;
177 }
178 if(dtype == NID_md5_sha1)
179 {
180 if (m_len != SSL_SIG_LENGTH)
181 {
182 RSAerr(RSA_F_RSA_VERIFY,RSA_R_INVALID_MESSAGE_LENGTH);
183 goto err;
184 }
185 }
186 /* NB: in FIPS mode block anything that isn't a TLS signature */
187#ifdef OPENSSL_FIPS
188 else if(FIPS_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW))
189 {
190 RSAerr(RSA_F_RSA_VERIFY, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
191 return 0;
192 }
193#endif
194 i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING);
195
196 if (i <= 0) goto err;
197
198 /* Special case: SSL signature */
199 if(dtype == NID_md5_sha1) {
200 if((i != SSL_SIG_LENGTH) || memcmp(s, m, SSL_SIG_LENGTH))
201 RSAerr(RSA_F_RSA_VERIFY,RSA_R_BAD_SIGNATURE);
202 else ret = 1;
203 } else {
204 const unsigned char *p=s;
205 sig=d2i_X509_SIG(NULL,&p,(long)i);
206
207 if (sig == NULL) goto err;
208
209 /* Excess data can be used to create forgeries */
210 if(p != s+i)
211 {
212 RSAerr(RSA_F_RSA_VERIFY,RSA_R_BAD_SIGNATURE);
213 goto err;
214 }
215
216 /* Parameters to the signature algorithm can also be used to
217 create forgeries */
218 if(sig->algor->parameter
219 && ASN1_TYPE_get(sig->algor->parameter) != V_ASN1_NULL)
220 {
221 RSAerr(RSA_F_RSA_VERIFY,RSA_R_BAD_SIGNATURE);
222 goto err;
223 }
224
225 sigtype=OBJ_obj2nid(sig->algor->algorithm);
226
227
228 #ifdef RSA_DEBUG
229 /* put a backward compatibility flag in EAY */
230 fprintf(stderr,"in(%s) expect(%s)\n",OBJ_nid2ln(sigtype),
231 OBJ_nid2ln(dtype));
232 #endif
233 if (sigtype != dtype)
234 {
235 if (((dtype == NID_md5) &&
236 (sigtype == NID_md5WithRSAEncryption)) ||
237 ((dtype == NID_md2) &&
238 (sigtype == NID_md2WithRSAEncryption)))
239 {
240 /* ok, we will let it through */
241#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
242 fprintf(stderr,"signature has problems, re-make with post SSLeay045\n");
243#endif
244 }
245 else
246 {
247 RSAerr(RSA_F_RSA_VERIFY,
248 RSA_R_ALGORITHM_MISMATCH);
249 goto err;
250 }
251 }
252 if ( ((unsigned int)sig->digest->length != m_len) ||
253 (memcmp(m,sig->digest->data,m_len) != 0))
254 {
255 RSAerr(RSA_F_RSA_VERIFY,RSA_R_BAD_SIGNATURE);
256 }
257 else
258 ret=1;
259 }
260err:
261 if (sig != NULL) X509_SIG_free(sig);
262 if (s != NULL)
263 {
264 OPENSSL_cleanse(s,(unsigned int)siglen);
265 OPENSSL_free(s);
266 }
267 return(ret);
268 }
269
diff --git a/src/lib/libcrypto/rsa/rsa_ssl.c b/src/lib/libcrypto/rsa/rsa_ssl.c
new file mode 100644
index 0000000000..cfeff15bc9
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_ssl.c
@@ -0,0 +1,154 @@
1/* crypto/rsa/rsa_ssl.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/rand.h>
64
65int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
66 const unsigned char *from, int flen)
67 {
68 int i,j;
69 unsigned char *p;
70
71 if (flen > (tlen-11))
72 {
73 RSAerr(RSA_F_RSA_PADDING_ADD_SSLV23,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
74 return(0);
75 }
76
77 p=(unsigned char *)to;
78
79 *(p++)=0;
80 *(p++)=2; /* Public Key BT (Block Type) */
81
82 /* pad out with non-zero random data */
83 j=tlen-3-8-flen;
84
85 if (RAND_bytes(p,j) <= 0)
86 return(0);
87 for (i=0; i<j; i++)
88 {
89 if (*p == '\0')
90 do {
91 if (RAND_bytes(p,1) <= 0)
92 return(0);
93 } while (*p == '\0');
94 p++;
95 }
96
97 memset(p,3,8);
98 p+=8;
99 *(p++)='\0';
100
101 memcpy(p,from,(unsigned int)flen);
102 return(1);
103 }
104
105int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
106 const unsigned char *from, int flen, int num)
107 {
108 int i,j,k;
109 const unsigned char *p;
110
111 p=from;
112 if (flen < 10)
113 {
114 RSAerr(RSA_F_RSA_PADDING_CHECK_SSLV23,RSA_R_DATA_TOO_SMALL);
115 return(-1);
116 }
117 if ((num != (flen+1)) || (*(p++) != 02))
118 {
119 RSAerr(RSA_F_RSA_PADDING_CHECK_SSLV23,RSA_R_BLOCK_TYPE_IS_NOT_02);
120 return(-1);
121 }
122
123 /* scan over padding data */
124 j=flen-1; /* one for type */
125 for (i=0; i<j; i++)
126 if (*(p++) == 0) break;
127
128 if ((i == j) || (i < 8))
129 {
130 RSAerr(RSA_F_RSA_PADDING_CHECK_SSLV23,RSA_R_NULL_BEFORE_BLOCK_MISSING);
131 return(-1);
132 }
133 for (k = -9; k<-1; k++)
134 {
135 if (p[k] != 0x03) break;
136 }
137 if (k == -1)
138 {
139 RSAerr(RSA_F_RSA_PADDING_CHECK_SSLV23,RSA_R_SSLV3_ROLLBACK_ATTACK);
140 return(-1);
141 }
142
143 i++; /* Skip over the '\0' */
144 j-=i;
145 if (j > tlen)
146 {
147 RSAerr(RSA_F_RSA_PADDING_CHECK_SSLV23,RSA_R_DATA_TOO_LARGE);
148 return(-1);
149 }
150 memcpy(to,p,(unsigned int)j);
151
152 return(j);
153 }
154
diff --git a/src/lib/libcrypto/rsa/rsa_x931.c b/src/lib/libcrypto/rsa/rsa_x931.c
new file mode 100644
index 0000000000..21548e37ed
--- /dev/null
+++ b/src/lib/libcrypto/rsa/rsa_x931.c
@@ -0,0 +1,177 @@
1/* rsa_x931.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2005.
4 */
5/* ====================================================================
6 * Copyright (c) 2005 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/bn.h>
62#include <openssl/rsa.h>
63#include <openssl/rand.h>
64#include <openssl/objects.h>
65
66int RSA_padding_add_X931(unsigned char *to, int tlen,
67 const unsigned char *from, int flen)
68 {
69 int j;
70 unsigned char *p;
71
72 /* Absolute minimum amount of padding is 1 header nibble, 1 padding
73 * nibble and 2 trailer bytes: but 1 hash if is already in 'from'.
74 */
75
76 j = tlen - flen - 2;
77
78 if (j < 0)
79 {
80 RSAerr(RSA_F_RSA_PADDING_ADD_X931,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
81 return -1;
82 }
83
84 p=(unsigned char *)to;
85
86 /* If no padding start and end nibbles are in one byte */
87 if (j == 0)
88 *p++ = 0x6A;
89 else
90 {
91 *p++ = 0x6B;
92 if (j > 1)
93 {
94 memset(p, 0xBB, j - 1);
95 p += j - 1;
96 }
97 *p++ = 0xBA;
98 }
99 memcpy(p,from,(unsigned int)flen);
100 p += flen;
101 *p = 0xCC;
102 return(1);
103 }
104
105int RSA_padding_check_X931(unsigned char *to, int tlen,
106 const unsigned char *from, int flen, int num)
107 {
108 int i = 0,j;
109 const unsigned char *p;
110
111 p=from;
112 if ((num != flen) || ((*p != 0x6A) && (*p != 0x6B)))
113 {
114 RSAerr(RSA_F_RSA_PADDING_CHECK_X931,RSA_R_INVALID_HEADER);
115 return -1;
116 }
117
118 if (*p++ == 0x6B)
119 {
120 j=flen-3;
121 for (i = 0; i < j; i++)
122 {
123 unsigned char c = *p++;
124 if (c == 0xBA)
125 break;
126 if (c != 0xBB)
127 {
128 RSAerr(RSA_F_RSA_PADDING_CHECK_X931,
129 RSA_R_INVALID_PADDING);
130 return -1;
131 }
132 }
133
134 j -= i;
135
136 if (i == 0)
137 {
138 RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_PADDING);
139 return -1;
140 }
141
142 }
143 else j = flen - 2;
144
145 if (p[j] != 0xCC)
146 {
147 RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_TRAILER);
148 return -1;
149 }
150
151 memcpy(to,p,(unsigned int)j);
152
153 return(j);
154 }
155
156/* Translate between X931 hash ids and NIDs */
157
158int RSA_X931_hash_id(int nid)
159 {
160 switch (nid)
161 {
162 case NID_sha1:
163 return 0x33;
164
165 case NID_sha256:
166 return 0x34;
167
168 case NID_sha384:
169 return 0x36;
170
171 case NID_sha512:
172 return 0x35;
173
174 }
175 return -1;
176 }
177
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