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-rw-r--r--src/lib/libcrypto/ecdsa/Makefile140
-rw-r--r--src/lib/libcrypto/ecdsa/ecdsa.h258
-rw-r--r--src/lib/libcrypto/ecdsa/ecdsatest.c499
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_asn1.c67
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_err.c104
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_lib.c259
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_locl.h107
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_ossl.c480
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_sign.c106
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_vrf.c96
10 files changed, 2116 insertions, 0 deletions
diff --git a/src/lib/libcrypto/ecdsa/Makefile b/src/lib/libcrypto/ecdsa/Makefile
new file mode 100644
index 0000000000..e89e0c010c
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/Makefile
@@ -0,0 +1,140 @@
1#
2# crypto/ecdsa/Makefile
3#
4
5DIR= ecdsa
6TOP= ../..
7CC= cc
8INCLUDES= -I.. -I$(TOP) -I../../include
9CFLAG=-g -Wall
10MAKEFILE= Makefile
11AR= ar r
12
13CFLAGS= $(INCLUDES) $(CFLAG)
14
15GENERAL=Makefile
16TEST=ecdsatest.c
17APPS=
18
19LIB=$(TOP)/libcrypto.a
20LIBSRC= ecs_lib.c ecs_asn1.c ecs_ossl.c ecs_sign.c ecs_vrf.c ecs_err.c
21
22LIBOBJ= ecs_lib.o ecs_asn1.o ecs_ossl.o ecs_sign.o ecs_vrf.o ecs_err.o
23
24SRC= $(LIBSRC)
25
26EXHEADER= ecdsa.h
27HEADER= ecs_locl.h $(EXHEADER)
28
29ALL= $(GENERAL) $(SRC) $(HEADER)
30
31top:
32 (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
33
34all: lib
35
36lib: $(LIBOBJ)
37 $(AR) $(LIB) $(LIBOBJ)
38 $(RANLIB) $(LIB) || echo Never mind.
39 @touch lib
40
41files:
42 $(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
43
44links:
45 @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
46 @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
47 @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
48
49install:
50 @[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
51 @headerlist="$(EXHEADER)"; for i in $$headerlist; \
52 do \
53 (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
54 chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
55 done;
56
57tags:
58 ctags $(SRC)
59
60tests:
61
62lint:
63 lint -DLINT $(INCLUDES) $(SRC)>fluff
64
65depend:
66 @[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
67 $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
68
69dclean:
70 $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
71 mv -f Makefile.new $(MAKEFILE)
72
73clean:
74 rm -f *.o */*.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
75
76# DO NOT DELETE THIS LINE -- make depend depends on it.
77
78ecs_asn1.o: ../../include/openssl/asn1.h ../../include/openssl/asn1t.h
79ecs_asn1.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h
80ecs_asn1.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
81ecs_asn1.o: ../../include/openssl/ecdsa.h ../../include/openssl/err.h
82ecs_asn1.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
83ecs_asn1.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
84ecs_asn1.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
85ecs_asn1.o: ../../include/openssl/symhacks.h ecs_asn1.c ecs_locl.h
86ecs_err.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
87ecs_err.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
88ecs_err.o: ../../include/openssl/ec.h ../../include/openssl/ecdsa.h
89ecs_err.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
90ecs_err.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
91ecs_err.o: ../../include/openssl/ossl_typ.h ../../include/openssl/safestack.h
92ecs_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
93ecs_err.o: ecs_err.c
94ecs_lib.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
95ecs_lib.o: ../../include/openssl/bn.h ../../include/openssl/buffer.h
96ecs_lib.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
97ecs_lib.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
98ecs_lib.o: ../../include/openssl/ecdsa.h ../../include/openssl/engine.h
99ecs_lib.o: ../../include/openssl/err.h ../../include/openssl/evp.h
100ecs_lib.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
101ecs_lib.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
102ecs_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
103ecs_lib.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h
104ecs_lib.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
105ecs_lib.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h
106ecs_lib.o: ../../include/openssl/x509_vfy.h ecs_lib.c ecs_locl.h
107ecs_ossl.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
108ecs_ossl.o: ../../include/openssl/bn.h ../../include/openssl/crypto.h
109ecs_ossl.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
110ecs_ossl.o: ../../include/openssl/ecdsa.h ../../include/openssl/err.h
111ecs_ossl.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
112ecs_ossl.o: ../../include/openssl/opensslconf.h
113ecs_ossl.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
114ecs_ossl.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
115ecs_ossl.o: ../../include/openssl/symhacks.h ecs_locl.h ecs_ossl.c
116ecs_sign.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
117ecs_sign.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
118ecs_sign.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
119ecs_sign.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
120ecs_sign.o: ../../include/openssl/engine.h ../../include/openssl/evp.h
121ecs_sign.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
122ecs_sign.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
123ecs_sign.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
124ecs_sign.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h
125ecs_sign.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
126ecs_sign.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
127ecs_sign.o: ../../include/openssl/x509.h ../../include/openssl/x509_vfy.h
128ecs_sign.o: ecs_locl.h ecs_sign.c
129ecs_vrf.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
130ecs_vrf.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
131ecs_vrf.o: ../../include/openssl/e_os2.h ../../include/openssl/ec.h
132ecs_vrf.o: ../../include/openssl/ecdh.h ../../include/openssl/ecdsa.h
133ecs_vrf.o: ../../include/openssl/engine.h ../../include/openssl/evp.h
134ecs_vrf.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
135ecs_vrf.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
136ecs_vrf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
137ecs_vrf.o: ../../include/openssl/pkcs7.h ../../include/openssl/safestack.h
138ecs_vrf.o: ../../include/openssl/sha.h ../../include/openssl/stack.h
139ecs_vrf.o: ../../include/openssl/symhacks.h ../../include/openssl/x509.h
140ecs_vrf.o: ../../include/openssl/x509_vfy.h ecs_locl.h ecs_vrf.c
diff --git a/src/lib/libcrypto/ecdsa/ecdsa.h b/src/lib/libcrypto/ecdsa/ecdsa.h
new file mode 100644
index 0000000000..e61c539812
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecdsa.h
@@ -0,0 +1,258 @@
1/* crypto/ecdsa/ecdsa.h */
2/**
3 * \file crypto/ecdsa/ecdsa.h Include file for the OpenSSL ECDSA functions
4 * \author Written by Nils Larsch for the OpenSSL project
5 */
6/* ====================================================================
7 * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 * acknowledgment:
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59#ifndef HEADER_ECDSA_H
60#define HEADER_ECDSA_H
61
62#include <openssl/opensslconf.h>
63
64#ifdef OPENSSL_NO_ECDSA
65#error ECDSA is disabled.
66#endif
67
68#include <openssl/ec.h>
69#include <openssl/ossl_typ.h>
70#ifndef OPENSSL_NO_DEPRECATED
71#include <openssl/bn.h>
72#endif
73
74#ifdef __cplusplus
75extern "C" {
76#endif
77
78typedef struct ECDSA_SIG_st
79 {
80 BIGNUM *r;
81 BIGNUM *s;
82 } ECDSA_SIG;
83
84/** Allocates and initialize a ECDSA_SIG structure
85 * \return pointer to a ECDSA_SIG structure or NULL if an error occurred
86 */
87ECDSA_SIG *ECDSA_SIG_new(void);
88
89/** frees a ECDSA_SIG structure
90 * \param sig pointer to the ECDSA_SIG structure
91 */
92void ECDSA_SIG_free(ECDSA_SIG *sig);
93
94/** DER encode content of ECDSA_SIG object (note: this function modifies *pp
95 * (*pp += length of the DER encoded signature)).
96 * \param sig pointer to the ECDSA_SIG object
97 * \param pp pointer to a unsigned char pointer for the output or NULL
98 * \return the length of the DER encoded ECDSA_SIG object or 0
99 */
100int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
101
102/** Decodes a DER encoded ECDSA signature (note: this function changes *pp
103 * (*pp += len)).
104 * \param sig pointer to ECDSA_SIG pointer (may be NULL)
105 * \param pp memory buffer with the DER encoded signature
106 * \param len length of the buffer
107 * \return pointer to the decoded ECDSA_SIG structure (or NULL)
108 */
109ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
110
111/** Computes the ECDSA signature of the given hash value using
112 * the supplied private key and returns the created signature.
113 * \param dgst pointer to the hash value
114 * \param dgst_len length of the hash value
115 * \param eckey EC_KEY object containing a private EC key
116 * \return pointer to a ECDSA_SIG structure or NULL if an error occurred
117 */
118ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey);
119
120/** Computes ECDSA signature of a given hash value using the supplied
121 * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
122 * \param dgst pointer to the hash value to sign
123 * \param dgstlen length of the hash value
124 * \param kinv BIGNUM with a pre-computed inverse k (optional)
125 * \param rp BIGNUM with a pre-computed rp value (optioanl),
126 * see ECDSA_sign_setup
127 * \param eckey EC_KEY object containing a private EC key
128 * \return pointer to a ECDSA_SIG structure or NULL if an error occurred
129 */
130ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
131 const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
132
133/** Verifies that the supplied signature is a valid ECDSA
134 * signature of the supplied hash value using the supplied public key.
135 * \param dgst pointer to the hash value
136 * \param dgst_len length of the hash value
137 * \param sig ECDSA_SIG structure
138 * \param eckey EC_KEY object containing a public EC key
139 * \return 1 if the signature is valid, 0 if the signature is invalid
140 * and -1 on error
141 */
142int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
143 const ECDSA_SIG *sig, EC_KEY* eckey);
144
145const ECDSA_METHOD *ECDSA_OpenSSL(void);
146
147/** Sets the default ECDSA method
148 * \param meth new default ECDSA_METHOD
149 */
150void ECDSA_set_default_method(const ECDSA_METHOD *meth);
151
152/** Returns the default ECDSA method
153 * \return pointer to ECDSA_METHOD structure containing the default method
154 */
155const ECDSA_METHOD *ECDSA_get_default_method(void);
156
157/** Sets method to be used for the ECDSA operations
158 * \param eckey EC_KEY object
159 * \param meth new method
160 * \return 1 on success and 0 otherwise
161 */
162int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth);
163
164/** Returns the maximum length of the DER encoded signature
165 * \param eckey EC_KEY object
166 * \return numbers of bytes required for the DER encoded signature
167 */
168int ECDSA_size(const EC_KEY *eckey);
169
170/** Precompute parts of the signing operation
171 * \param eckey EC_KEY object containing a private EC key
172 * \param ctx BN_CTX object (optional)
173 * \param kinv BIGNUM pointer for the inverse of k
174 * \param rp BIGNUM pointer for x coordinate of k * generator
175 * \return 1 on success and 0 otherwise
176 */
177int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
178 BIGNUM **rp);
179
180/** Computes ECDSA signature of a given hash value using the supplied
181 * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
182 * \param type this parameter is ignored
183 * \param dgst pointer to the hash value to sign
184 * \param dgstlen length of the hash value
185 * \param sig memory for the DER encoded created signature
186 * \param siglen pointer to the length of the returned signature
187 * \param eckey EC_KEY object containing a private EC key
188 * \return 1 on success and 0 otherwise
189 */
190int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
191 unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
192
193
194/** Computes ECDSA signature of a given hash value using the supplied
195 * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
196 * \param type this parameter is ignored
197 * \param dgst pointer to the hash value to sign
198 * \param dgstlen length of the hash value
199 * \param sig buffer to hold the DER encoded signature
200 * \param siglen pointer to the length of the returned signature
201 * \param kinv BIGNUM with a pre-computed inverse k (optional)
202 * \param rp BIGNUM with a pre-computed rp value (optioanl),
203 * see ECDSA_sign_setup
204 * \param eckey EC_KEY object containing a private EC key
205 * \return 1 on success and 0 otherwise
206 */
207int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
208 unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
209 const BIGNUM *rp, EC_KEY *eckey);
210
211/** Verifies that the given signature is valid ECDSA signature
212 * of the supplied hash value using the specified public key.
213 * \param type this parameter is ignored
214 * \param dgst pointer to the hash value
215 * \param dgstlen length of the hash value
216 * \param sig pointer to the DER encoded signature
217 * \param siglen length of the DER encoded signature
218 * \param eckey EC_KEY object containing a public EC key
219 * \return 1 if the signature is valid, 0 if the signature is invalid
220 * and -1 on error
221 */
222int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
223 const unsigned char *sig, int siglen, EC_KEY *eckey);
224
225/* the standard ex_data functions */
226int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
227 *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
228int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg);
229void *ECDSA_get_ex_data(EC_KEY *d, int idx);
230
231
232/* BEGIN ERROR CODES */
233/* The following lines are auto generated by the script mkerr.pl. Any changes
234 * made after this point may be overwritten when the script is next run.
235 */
236void ERR_load_ECDSA_strings(void);
237
238/* Error codes for the ECDSA functions. */
239
240/* Function codes. */
241#define ECDSA_F_ECDSA_DATA_NEW_METHOD 100
242#define ECDSA_F_ECDSA_DO_SIGN 101
243#define ECDSA_F_ECDSA_DO_VERIFY 102
244#define ECDSA_F_ECDSA_SIGN_SETUP 103
245
246/* Reason codes. */
247#define ECDSA_R_BAD_SIGNATURE 100
248#define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
249#define ECDSA_R_ERR_EC_LIB 102
250#define ECDSA_R_MISSING_PARAMETERS 103
251#define ECDSA_R_NEED_NEW_SETUP_VALUES 106
252#define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
253#define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
254
255#ifdef __cplusplus
256}
257#endif
258#endif
diff --git a/src/lib/libcrypto/ecdsa/ecdsatest.c b/src/lib/libcrypto/ecdsa/ecdsatest.c
new file mode 100644
index 0000000000..26a4a9ee7c
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecdsatest.c
@@ -0,0 +1,499 @@
1/* crypto/ecdsa/ecdsatest.c */
2/*
3 * Written by Nils Larsch for the OpenSSL project.
4 */
5/* ====================================================================
6 * Copyright (c) 2000-2005 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 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
60 *
61 * Portions of the attached software ("Contribution") are developed by
62 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
63 *
64 * The Contribution is licensed pursuant to the OpenSSL open source
65 * license provided above.
66 *
67 * The elliptic curve binary polynomial software is originally written by
68 * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
69 *
70 */
71
72#include <stdio.h>
73#include <stdlib.h>
74#include <string.h>
75
76#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_ECDSA is defined */
77
78#ifdef OPENSSL_NO_ECDSA
79int main(int argc, char * argv[])
80 {
81 puts("Elliptic curves are disabled.");
82 return 0;
83 }
84#else
85
86#include <openssl/crypto.h>
87#include <openssl/bio.h>
88#include <openssl/evp.h>
89#include <openssl/bn.h>
90#include <openssl/ecdsa.h>
91#ifndef OPENSSL_NO_ENGINE
92#include <openssl/engine.h>
93#endif
94#include <openssl/err.h>
95#include <openssl/rand.h>
96
97static const char rnd_seed[] = "string to make the random number generator "
98 "think it has entropy";
99
100/* declaration of the test functions */
101int x9_62_tests(BIO *);
102int x9_62_test_internal(BIO *out, int nid, const char *r, const char *s);
103int test_builtin(BIO *);
104
105/* functions to change the RAND_METHOD */
106int change_rand(void);
107int restore_rand(void);
108int fbytes(unsigned char *buf, int num);
109
110RAND_METHOD fake_rand;
111const RAND_METHOD *old_rand;
112
113int change_rand(void)
114 {
115 /* save old rand method */
116 if ((old_rand = RAND_get_rand_method()) == NULL)
117 return 0;
118
119 fake_rand.seed = old_rand->seed;
120 fake_rand.cleanup = old_rand->cleanup;
121 fake_rand.add = old_rand->add;
122 fake_rand.status = old_rand->status;
123 /* use own random function */
124 fake_rand.bytes = fbytes;
125 fake_rand.pseudorand = old_rand->bytes;
126 /* set new RAND_METHOD */
127 if (!RAND_set_rand_method(&fake_rand))
128 return 0;
129 return 1;
130 }
131
132int restore_rand(void)
133 {
134 if (!RAND_set_rand_method(old_rand))
135 return 0;
136 else
137 return 1;
138 }
139
140static int fbytes_counter = 0;
141static const char *numbers[8] = {
142 "651056770906015076056810763456358567190100156695615665659",
143 "6140507067065001063065065565667405560006161556565665656654",
144 "8763001015071075675010661307616710783570106710677817767166"
145 "71676178726717",
146 "7000000175690566466555057817571571075705015757757057795755"
147 "55657156756655",
148 "1275552191113212300012030439187146164646146646466749494799",
149 "1542725565216523985789236956265265265235675811949404040041",
150 "1456427555219115346513212300075341203043918714616464614664"
151 "64667494947990",
152 "1712787255652165239672857892369562652652652356758119494040"
153 "40041670216363"};
154
155int fbytes(unsigned char *buf, int num)
156 {
157 int ret;
158 BIGNUM *tmp = NULL;
159
160 if (fbytes_counter >= 8)
161 return 0;
162 tmp = BN_new();
163 if (!tmp)
164 return 0;
165 if (!BN_dec2bn(&tmp, numbers[fbytes_counter]))
166 {
167 BN_free(tmp);
168 return 0;
169 }
170 fbytes_counter ++;
171 if (num != BN_num_bytes(tmp) || !BN_bn2bin(tmp, buf))
172 ret = 0;
173 else
174 ret = 1;
175 if (tmp)
176 BN_free(tmp);
177 return ret;
178 }
179
180/* some tests from the X9.62 draft */
181int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
182 {
183 int ret = 0;
184 const char message[] = "abc";
185 unsigned char digest[20];
186 unsigned int dgst_len = 0;
187 EVP_MD_CTX md_ctx;
188 EC_KEY *key = NULL;
189 ECDSA_SIG *signature = NULL;
190 BIGNUM *r = NULL, *s = NULL;
191
192 EVP_MD_CTX_init(&md_ctx);
193 /* get the message digest */
194 EVP_DigestInit(&md_ctx, EVP_ecdsa());
195 EVP_DigestUpdate(&md_ctx, (const void*)message, 3);
196 EVP_DigestFinal(&md_ctx, digest, &dgst_len);
197
198 BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
199 /* create the key */
200 if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
201 goto x962_int_err;
202 if (!EC_KEY_generate_key(key))
203 goto x962_int_err;
204 BIO_printf(out, ".");
205 (void)BIO_flush(out);
206 /* create the signature */
207 signature = ECDSA_do_sign(digest, 20, key);
208 if (signature == NULL)
209 goto x962_int_err;
210 BIO_printf(out, ".");
211 (void)BIO_flush(out);
212 /* compare the created signature with the expected signature */
213 if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
214 goto x962_int_err;
215 if (!BN_dec2bn(&r, r_in) ||
216 !BN_dec2bn(&s, s_in))
217 goto x962_int_err;
218 if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
219 goto x962_int_err;
220 BIO_printf(out, ".");
221 (void)BIO_flush(out);
222 /* verify the signature */
223 if (ECDSA_do_verify(digest, 20, signature, key) != 1)
224 goto x962_int_err;
225 BIO_printf(out, ".");
226 (void)BIO_flush(out);
227
228 BIO_printf(out, " ok\n");
229 ret = 1;
230x962_int_err:
231 if (!ret)
232 BIO_printf(out, " failed\n");
233 if (key)
234 EC_KEY_free(key);
235 if (signature)
236 ECDSA_SIG_free(signature);
237 if (r)
238 BN_free(r);
239 if (s)
240 BN_free(s);
241 EVP_MD_CTX_cleanup(&md_ctx);
242 return ret;
243 }
244
245int x9_62_tests(BIO *out)
246 {
247 int ret = 0;
248
249 BIO_printf(out, "some tests from X9.62:\n");
250
251 /* set own rand method */
252 if (!change_rand())
253 goto x962_err;
254
255 if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
256 "3342403536405981729393488334694600415596881826869351677613",
257 "5735822328888155254683894997897571951568553642892029982342"))
258 goto x962_err;
259 if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
260 "3086361431751678114926225473006680188549593787585317781474"
261 "62058306432176",
262 "3238135532097973577080787768312505059318910517550078427819"
263 "78505179448783"))
264 goto x962_err;
265 if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
266 "87194383164871543355722284926904419997237591535066528048",
267 "308992691965804947361541664549085895292153777025772063598"))
268 goto x962_err;
269 if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
270 "2159633321041961198501834003903461262881815148684178964245"
271 "5876922391552",
272 "1970303740007316867383349976549972270528498040721988191026"
273 "49413465737174"))
274 goto x962_err;
275
276 ret = 1;
277x962_err:
278 if (!restore_rand())
279 ret = 0;
280 return ret;
281 }
282
283int test_builtin(BIO *out)
284 {
285 EC_builtin_curve *curves = NULL;
286 size_t crv_len = 0, n = 0;
287 EC_KEY *eckey = NULL, *wrong_eckey = NULL;
288 EC_GROUP *group;
289 unsigned char digest[20], wrong_digest[20];
290 unsigned char *signature = NULL;
291 unsigned int sig_len;
292 int nid, ret = 0;
293
294 /* fill digest values with some random data */
295 if (!RAND_pseudo_bytes(digest, 20) ||
296 !RAND_pseudo_bytes(wrong_digest, 20))
297 {
298 BIO_printf(out, "ERROR: unable to get random data\n");
299 goto builtin_err;
300 }
301
302 /* create and verify a ecdsa signature with every availble curve
303 * (with ) */
304 BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
305 "with some internal curves:\n");
306
307 /* get a list of all internal curves */
308 crv_len = EC_get_builtin_curves(NULL, 0);
309
310 curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
311
312 if (curves == NULL)
313 {
314 BIO_printf(out, "malloc error\n");
315 goto builtin_err;
316 }
317
318 if (!EC_get_builtin_curves(curves, crv_len))
319 {
320 BIO_printf(out, "unable to get internal curves\n");
321 goto builtin_err;
322 }
323
324 /* now create and verify a signature for every curve */
325 for (n = 0; n < crv_len; n++)
326 {
327 unsigned char dirt, offset;
328
329 nid = curves[n].nid;
330 if (nid == NID_ipsec4)
331 continue;
332 /* create new ecdsa key (== EC_KEY) */
333 if ((eckey = EC_KEY_new()) == NULL)
334 goto builtin_err;
335 group = EC_GROUP_new_by_curve_name(nid);
336 if (group == NULL)
337 goto builtin_err;
338 if (EC_KEY_set_group(eckey, group) == 0)
339 goto builtin_err;
340 EC_GROUP_free(group);
341 if (EC_GROUP_get_degree(EC_KEY_get0_group(eckey)) < 160)
342 /* drop the curve */
343 {
344 EC_KEY_free(eckey);
345 eckey = NULL;
346 continue;
347 }
348 BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
349 /* create key */
350 if (!EC_KEY_generate_key(eckey))
351 {
352 BIO_printf(out, " failed\n");
353 goto builtin_err;
354 }
355 /* create second key */
356 if ((wrong_eckey = EC_KEY_new()) == NULL)
357 goto builtin_err;
358 group = EC_GROUP_new_by_curve_name(nid);
359 if (group == NULL)
360 goto builtin_err;
361 if (EC_KEY_set_group(wrong_eckey, group) == 0)
362 goto builtin_err;
363 EC_GROUP_free(group);
364 if (!EC_KEY_generate_key(wrong_eckey))
365 {
366 BIO_printf(out, " failed\n");
367 goto builtin_err;
368 }
369
370 BIO_printf(out, ".");
371 (void)BIO_flush(out);
372 /* check key */
373 if (!EC_KEY_check_key(eckey))
374 {
375 BIO_printf(out, " failed\n");
376 goto builtin_err;
377 }
378 BIO_printf(out, ".");
379 (void)BIO_flush(out);
380 /* create signature */
381 sig_len = ECDSA_size(eckey);
382 if ((signature = OPENSSL_malloc(sig_len)) == NULL)
383 goto builtin_err;
384 if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey))
385 {
386 BIO_printf(out, " failed\n");
387 goto builtin_err;
388 }
389 BIO_printf(out, ".");
390 (void)BIO_flush(out);
391 /* verify signature */
392 if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
393 {
394 BIO_printf(out, " failed\n");
395 goto builtin_err;
396 }
397 BIO_printf(out, ".");
398 (void)BIO_flush(out);
399 /* verify signature with the wrong key */
400 if (ECDSA_verify(0, digest, 20, signature, sig_len,
401 wrong_eckey) == 1)
402 {
403 BIO_printf(out, " failed\n");
404 goto builtin_err;
405 }
406 BIO_printf(out, ".");
407 (void)BIO_flush(out);
408 /* wrong digest */
409 if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
410 eckey) == 1)
411 {
412 BIO_printf(out, " failed\n");
413 goto builtin_err;
414 }
415 BIO_printf(out, ".");
416 (void)BIO_flush(out);
417 /* modify a single byte of the signature */
418 offset = signature[10] % sig_len;
419 dirt = signature[11];
420 signature[offset] ^= dirt ? dirt : 1;
421 if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1)
422 {
423 BIO_printf(out, " failed\n");
424 goto builtin_err;
425 }
426 BIO_printf(out, ".");
427 (void)BIO_flush(out);
428
429 BIO_printf(out, " ok\n");
430 /* cleanup */
431 OPENSSL_free(signature);
432 signature = NULL;
433 EC_KEY_free(eckey);
434 eckey = NULL;
435 EC_KEY_free(wrong_eckey);
436 wrong_eckey = NULL;
437 }
438
439 ret = 1;
440builtin_err:
441 if (eckey)
442 EC_KEY_free(eckey);
443 if (wrong_eckey)
444 EC_KEY_free(wrong_eckey);
445 if (signature)
446 OPENSSL_free(signature);
447 if (curves)
448 OPENSSL_free(curves);
449
450 return ret;
451 }
452
453int main(void)
454 {
455 int ret = 1;
456 BIO *out;
457
458 out = BIO_new_fp(stdout, BIO_NOCLOSE);
459
460 /* enable memory leak checking unless explicitly disabled */
461 if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) &&
462 (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
463 {
464 CRYPTO_malloc_debug_init();
465 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
466 }
467 else
468 {
469 /* OPENSSL_DEBUG_MEMORY=off */
470 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
471 }
472 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
473
474 ERR_load_crypto_strings();
475
476 /* initialize the prng */
477 RAND_seed(rnd_seed, sizeof(rnd_seed));
478
479 /* the tests */
480 if (!x9_62_tests(out)) goto err;
481 if (!test_builtin(out)) goto err;
482
483 ret = 0;
484err:
485 if (ret)
486 BIO_printf(out, "\nECDSA test failed\n");
487 else
488 BIO_printf(out, "\nECDSA test passed\n");
489 if (ret)
490 ERR_print_errors(out);
491 CRYPTO_cleanup_all_ex_data();
492 ERR_remove_thread_state(NULL);
493 ERR_free_strings();
494 CRYPTO_mem_leaks(out);
495 if (out != NULL)
496 BIO_free(out);
497 return ret;
498 }
499#endif
diff --git a/src/lib/libcrypto/ecdsa/ecs_asn1.c b/src/lib/libcrypto/ecdsa/ecs_asn1.c
new file mode 100644
index 0000000000..b295489400
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_asn1.c
@@ -0,0 +1,67 @@
1/* crypto/ecdsa/ecs_asn1.c */
2/* ====================================================================
3 * Copyright (c) 2000-2002 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 * licensing@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#include "ecs_locl.h"
57#include <openssl/err.h>
58#include <openssl/asn1t.h>
59
60ASN1_SEQUENCE(ECDSA_SIG) = {
61 ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
62 ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
63} ASN1_SEQUENCE_END(ECDSA_SIG)
64
65DECLARE_ASN1_FUNCTIONS_const(ECDSA_SIG)
66DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECDSA_SIG, ECDSA_SIG)
67IMPLEMENT_ASN1_FUNCTIONS_const(ECDSA_SIG)
diff --git a/src/lib/libcrypto/ecdsa/ecs_err.c b/src/lib/libcrypto/ecdsa/ecs_err.c
new file mode 100644
index 0000000000..98e38d537f
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_err.c
@@ -0,0 +1,104 @@
1/* crypto/ecdsa/ecs_err.c */
2/* ====================================================================
3 * Copyright (c) 1999-2006 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/ecdsa.h>
64
65/* BEGIN ERROR CODES */
66#ifndef OPENSSL_NO_ERR
67
68#define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDSA,func,0)
69#define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDSA,0,reason)
70
71static ERR_STRING_DATA ECDSA_str_functs[]=
72 {
73{ERR_FUNC(ECDSA_F_ECDSA_DATA_NEW_METHOD), "ECDSA_DATA_NEW_METHOD"},
74{ERR_FUNC(ECDSA_F_ECDSA_DO_SIGN), "ECDSA_do_sign"},
75{ERR_FUNC(ECDSA_F_ECDSA_DO_VERIFY), "ECDSA_do_verify"},
76{ERR_FUNC(ECDSA_F_ECDSA_SIGN_SETUP), "ECDSA_sign_setup"},
77{0,NULL}
78 };
79
80static ERR_STRING_DATA ECDSA_str_reasons[]=
81 {
82{ERR_REASON(ECDSA_R_BAD_SIGNATURE) ,"bad signature"},
83{ERR_REASON(ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),"data too large for key size"},
84{ERR_REASON(ECDSA_R_ERR_EC_LIB) ,"err ec lib"},
85{ERR_REASON(ECDSA_R_MISSING_PARAMETERS) ,"missing parameters"},
86{ERR_REASON(ECDSA_R_NEED_NEW_SETUP_VALUES),"need new setup values"},
87{ERR_REASON(ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED),"random number generation failed"},
88{ERR_REASON(ECDSA_R_SIGNATURE_MALLOC_FAILED),"signature malloc failed"},
89{0,NULL}
90 };
91
92#endif
93
94void ERR_load_ECDSA_strings(void)
95 {
96#ifndef OPENSSL_NO_ERR
97
98 if (ERR_func_error_string(ECDSA_str_functs[0].error) == NULL)
99 {
100 ERR_load_strings(0,ECDSA_str_functs);
101 ERR_load_strings(0,ECDSA_str_reasons);
102 }
103#endif
104 }
diff --git a/src/lib/libcrypto/ecdsa/ecs_lib.c b/src/lib/libcrypto/ecdsa/ecs_lib.c
new file mode 100644
index 0000000000..2ebae3aa27
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_lib.c
@@ -0,0 +1,259 @@
1/* crypto/ecdsa/ecs_lib.c */
2/* ====================================================================
3 * Copyright (c) 1998-2005 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#include <string.h>
57#include "ecs_locl.h"
58#ifndef OPENSSL_NO_ENGINE
59#include <openssl/engine.h>
60#endif
61#include <openssl/err.h>
62#include <openssl/bn.h>
63
64const char ECDSA_version[]="ECDSA" OPENSSL_VERSION_PTEXT;
65
66static const ECDSA_METHOD *default_ECDSA_method = NULL;
67
68static void *ecdsa_data_new(void);
69static void *ecdsa_data_dup(void *);
70static void ecdsa_data_free(void *);
71
72void ECDSA_set_default_method(const ECDSA_METHOD *meth)
73{
74 default_ECDSA_method = meth;
75}
76
77const ECDSA_METHOD *ECDSA_get_default_method(void)
78{
79 if(!default_ECDSA_method)
80 default_ECDSA_method = ECDSA_OpenSSL();
81 return default_ECDSA_method;
82}
83
84int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth)
85{
86 ECDSA_DATA *ecdsa;
87
88 ecdsa = ecdsa_check(eckey);
89
90 if (ecdsa == NULL)
91 return 0;
92
93#ifndef OPENSSL_NO_ENGINE
94 if (ecdsa->engine)
95 {
96 ENGINE_finish(ecdsa->engine);
97 ecdsa->engine = NULL;
98 }
99#endif
100 ecdsa->meth = meth;
101
102 return 1;
103}
104
105static ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *engine)
106{
107 ECDSA_DATA *ret;
108
109 ret=(ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
110 if (ret == NULL)
111 {
112 ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
113 return(NULL);
114 }
115
116 ret->init = NULL;
117
118 ret->meth = ECDSA_get_default_method();
119 ret->engine = engine;
120#ifndef OPENSSL_NO_ENGINE
121 if (!ret->engine)
122 ret->engine = ENGINE_get_default_ECDSA();
123 if (ret->engine)
124 {
125 ret->meth = ENGINE_get_ECDSA(ret->engine);
126 if (!ret->meth)
127 {
128 ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
129 ENGINE_finish(ret->engine);
130 OPENSSL_free(ret);
131 return NULL;
132 }
133 }
134#endif
135
136 ret->flags = ret->meth->flags;
137 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
138#if 0
139 if ((ret->meth->init != NULL) && !ret->meth->init(ret))
140 {
141 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
142 OPENSSL_free(ret);
143 ret=NULL;
144 }
145#endif
146 return(ret);
147}
148
149static void *ecdsa_data_new(void)
150{
151 return (void *)ECDSA_DATA_new_method(NULL);
152}
153
154static void *ecdsa_data_dup(void *data)
155{
156 ECDSA_DATA *r = (ECDSA_DATA *)data;
157
158 /* XXX: dummy operation */
159 if (r == NULL)
160 return NULL;
161
162 return ecdsa_data_new();
163}
164
165static void ecdsa_data_free(void *data)
166{
167 ECDSA_DATA *r = (ECDSA_DATA *)data;
168
169#ifndef OPENSSL_NO_ENGINE
170 if (r->engine)
171 ENGINE_finish(r->engine);
172#endif
173 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
174
175 OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
176
177 OPENSSL_free(r);
178}
179
180ECDSA_DATA *ecdsa_check(EC_KEY *key)
181{
182 ECDSA_DATA *ecdsa_data;
183
184 void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
185 ecdsa_data_free, ecdsa_data_free);
186 if (data == NULL)
187 {
188 ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
189 if (ecdsa_data == NULL)
190 return NULL;
191 EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
192 ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
193 }
194 else
195 ecdsa_data = (ECDSA_DATA *)data;
196
197
198 return ecdsa_data;
199}
200
201int ECDSA_size(const EC_KEY *r)
202{
203 int ret,i;
204 ASN1_INTEGER bs;
205 BIGNUM *order=NULL;
206 unsigned char buf[4];
207 const EC_GROUP *group;
208
209 if (r == NULL)
210 return 0;
211 group = EC_KEY_get0_group(r);
212 if (group == NULL)
213 return 0;
214
215 if ((order = BN_new()) == NULL) return 0;
216 if (!EC_GROUP_get_order(group,order,NULL))
217 {
218 BN_clear_free(order);
219 return 0;
220 }
221 i=BN_num_bits(order);
222 bs.length=(i+7)/8;
223 bs.data=buf;
224 bs.type=V_ASN1_INTEGER;
225 /* If the top bit is set the asn1 encoding is 1 larger. */
226 buf[0]=0xff;
227
228 i=i2d_ASN1_INTEGER(&bs,NULL);
229 i+=i; /* r and s */
230 ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE);
231 BN_clear_free(order);
232 return(ret);
233}
234
235
236int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
237 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
238{
239 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp,
240 new_func, dup_func, free_func);
241}
242
243int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg)
244{
245 ECDSA_DATA *ecdsa;
246 ecdsa = ecdsa_check(d);
247 if (ecdsa == NULL)
248 return 0;
249 return(CRYPTO_set_ex_data(&ecdsa->ex_data,idx,arg));
250}
251
252void *ECDSA_get_ex_data(EC_KEY *d, int idx)
253{
254 ECDSA_DATA *ecdsa;
255 ecdsa = ecdsa_check(d);
256 if (ecdsa == NULL)
257 return NULL;
258 return(CRYPTO_get_ex_data(&ecdsa->ex_data,idx));
259}
diff --git a/src/lib/libcrypto/ecdsa/ecs_locl.h b/src/lib/libcrypto/ecdsa/ecs_locl.h
new file mode 100644
index 0000000000..3a69a840e2
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_locl.h
@@ -0,0 +1,107 @@
1/* crypto/ecdsa/ecs_locl.h */
2/*
3 * Written by Nils Larsch for the OpenSSL project
4 */
5/* ====================================================================
6 * Copyright (c) 2000-2005 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#ifndef HEADER_ECS_LOCL_H
60#define HEADER_ECS_LOCL_H
61
62#include <openssl/ecdsa.h>
63
64#ifdef __cplusplus
65extern "C" {
66#endif
67
68struct ecdsa_method
69 {
70 const char *name;
71 ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len,
72 const BIGNUM *inv, const BIGNUM *rp, EC_KEY *eckey);
73 int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
74 BIGNUM **r);
75 int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len,
76 const ECDSA_SIG *sig, EC_KEY *eckey);
77#if 0
78 int (*init)(EC_KEY *eckey);
79 int (*finish)(EC_KEY *eckey);
80#endif
81 int flags;
82 char *app_data;
83 };
84
85typedef struct ecdsa_data_st {
86 /* EC_KEY_METH_DATA part */
87 int (*init)(EC_KEY *);
88 /* method (ECDSA) specific part */
89 ENGINE *engine;
90 int flags;
91 const ECDSA_METHOD *meth;
92 CRYPTO_EX_DATA ex_data;
93} ECDSA_DATA;
94
95/** ecdsa_check
96 * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure
97 * and if not it removes the old meth_data and creates a ECDSA_DATA structure.
98 * \param eckey pointer to a EC_KEY object
99 * \return pointer to a ECDSA_DATA structure
100 */
101ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
102
103#ifdef __cplusplus
104}
105#endif
106
107#endif /* HEADER_ECS_LOCL_H */
diff --git a/src/lib/libcrypto/ecdsa/ecs_ossl.c b/src/lib/libcrypto/ecdsa/ecs_ossl.c
new file mode 100644
index 0000000000..1bbf328de5
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_ossl.c
@@ -0,0 +1,480 @@
1/* crypto/ecdsa/ecs_ossl.c */
2/*
3 * Written by Nils Larsch for the OpenSSL project
4 */
5/* ====================================================================
6 * Copyright (c) 1998-2004 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 * openssl-core@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 "ecs_locl.h"
60#include <openssl/err.h>
61#include <openssl/obj_mac.h>
62#include <openssl/bn.h>
63
64static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dlen,
65 const BIGNUM *, const BIGNUM *, EC_KEY *eckey);
66static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
67 BIGNUM **rp);
68static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
69 const ECDSA_SIG *sig, EC_KEY *eckey);
70
71static ECDSA_METHOD openssl_ecdsa_meth = {
72 "OpenSSL ECDSA method",
73 ecdsa_do_sign,
74 ecdsa_sign_setup,
75 ecdsa_do_verify,
76#if 0
77 NULL, /* init */
78 NULL, /* finish */
79#endif
80 0, /* flags */
81 NULL /* app_data */
82};
83
84const ECDSA_METHOD *ECDSA_OpenSSL(void)
85{
86 return &openssl_ecdsa_meth;
87}
88
89static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
90 BIGNUM **rp)
91{
92 BN_CTX *ctx = NULL;
93 BIGNUM *k = NULL, *r = NULL, *order = NULL, *X = NULL;
94 EC_POINT *tmp_point=NULL;
95 const EC_GROUP *group;
96 int ret = 0;
97
98 if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL)
99 {
100 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);
101 return 0;
102 }
103
104 if (ctx_in == NULL)
105 {
106 if ((ctx = BN_CTX_new()) == NULL)
107 {
108 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_MALLOC_FAILURE);
109 return 0;
110 }
111 }
112 else
113 ctx = ctx_in;
114
115 k = BN_new(); /* this value is later returned in *kinvp */
116 r = BN_new(); /* this value is later returned in *rp */
117 order = BN_new();
118 X = BN_new();
119 if (!k || !r || !order || !X)
120 {
121 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
122 goto err;
123 }
124 if ((tmp_point = EC_POINT_new(group)) == NULL)
125 {
126 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
127 goto err;
128 }
129 if (!EC_GROUP_get_order(group, order, ctx))
130 {
131 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
132 goto err;
133 }
134
135 do
136 {
137 /* get random k */
138 do
139 if (!BN_rand_range(k, order))
140 {
141 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,
142 ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED);
143 goto err;
144 }
145 while (BN_is_zero(k));
146
147 /* We do not want timing information to leak the length of k,
148 * so we compute G*k using an equivalent scalar of fixed
149 * bit-length. */
150
151 if (!BN_add(k, k, order)) goto err;
152 if (BN_num_bits(k) <= BN_num_bits(order))
153 if (!BN_add(k, k, order)) goto err;
154
155 /* compute r the x-coordinate of generator * k */
156 if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx))
157 {
158 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
159 goto err;
160 }
161 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
162 {
163 if (!EC_POINT_get_affine_coordinates_GFp(group,
164 tmp_point, X, NULL, ctx))
165 {
166 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
167 goto err;
168 }
169 }
170 else /* NID_X9_62_characteristic_two_field */
171 {
172 if (!EC_POINT_get_affine_coordinates_GF2m(group,
173 tmp_point, X, NULL, ctx))
174 {
175 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
176 goto err;
177 }
178 }
179 if (!BN_nnmod(r, X, order, ctx))
180 {
181 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
182 goto err;
183 }
184 }
185 while (BN_is_zero(r));
186
187 /* compute the inverse of k */
188 if (!BN_mod_inverse(k, k, order, ctx))
189 {
190 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
191 goto err;
192 }
193 /* clear old values if necessary */
194 if (*rp != NULL)
195 BN_clear_free(*rp);
196 if (*kinvp != NULL)
197 BN_clear_free(*kinvp);
198 /* save the pre-computed values */
199 *rp = r;
200 *kinvp = k;
201 ret = 1;
202err:
203 if (!ret)
204 {
205 if (k != NULL) BN_clear_free(k);
206 if (r != NULL) BN_clear_free(r);
207 }
208 if (ctx_in == NULL)
209 BN_CTX_free(ctx);
210 if (order != NULL)
211 BN_free(order);
212 if (tmp_point != NULL)
213 EC_POINT_free(tmp_point);
214 if (X)
215 BN_clear_free(X);
216 return(ret);
217}
218
219
220static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len,
221 const BIGNUM *in_kinv, const BIGNUM *in_r, EC_KEY *eckey)
222{
223 int ok = 0, i;
224 BIGNUM *kinv=NULL, *s, *m=NULL,*tmp=NULL,*order=NULL;
225 const BIGNUM *ckinv;
226 BN_CTX *ctx = NULL;
227 const EC_GROUP *group;
228 ECDSA_SIG *ret;
229 ECDSA_DATA *ecdsa;
230 const BIGNUM *priv_key;
231
232 ecdsa = ecdsa_check(eckey);
233 group = EC_KEY_get0_group(eckey);
234 priv_key = EC_KEY_get0_private_key(eckey);
235
236 if (group == NULL || priv_key == NULL || ecdsa == NULL)
237 {
238 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
239 return NULL;
240 }
241
242 ret = ECDSA_SIG_new();
243 if (!ret)
244 {
245 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
246 return NULL;
247 }
248 s = ret->s;
249
250 if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||
251 (tmp = BN_new()) == NULL || (m = BN_new()) == NULL)
252 {
253 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
254 goto err;
255 }
256
257 if (!EC_GROUP_get_order(group, order, ctx))
258 {
259 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
260 goto err;
261 }
262 i = BN_num_bits(order);
263 /* Need to truncate digest if it is too long: first truncate whole
264 * bytes.
265 */
266 if (8 * dgst_len > i)
267 dgst_len = (i + 7)/8;
268 if (!BN_bin2bn(dgst, dgst_len, m))
269 {
270 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
271 goto err;
272 }
273 /* If still too long truncate remaining bits with a shift */
274 if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
275 {
276 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
277 goto err;
278 }
279 do
280 {
281 if (in_kinv == NULL || in_r == NULL)
282 {
283 if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r))
284 {
285 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,ERR_R_ECDSA_LIB);
286 goto err;
287 }
288 ckinv = kinv;
289 }
290 else
291 {
292 ckinv = in_kinv;
293 if (BN_copy(ret->r, in_r) == NULL)
294 {
295 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
296 goto err;
297 }
298 }
299
300 if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx))
301 {
302 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
303 goto err;
304 }
305 if (!BN_mod_add_quick(s, tmp, m, order))
306 {
307 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
308 goto err;
309 }
310 if (!BN_mod_mul(s, s, ckinv, order, ctx))
311 {
312 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
313 goto err;
314 }
315 if (BN_is_zero(s))
316 {
317 /* if kinv and r have been supplied by the caller
318 * don't to generate new kinv and r values */
319 if (in_kinv != NULL && in_r != NULL)
320 {
321 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ECDSA_R_NEED_NEW_SETUP_VALUES);
322 goto err;
323 }
324 }
325 else
326 /* s != 0 => we have a valid signature */
327 break;
328 }
329 while (1);
330
331 ok = 1;
332err:
333 if (!ok)
334 {
335 ECDSA_SIG_free(ret);
336 ret = NULL;
337 }
338 if (ctx)
339 BN_CTX_free(ctx);
340 if (m)
341 BN_clear_free(m);
342 if (tmp)
343 BN_clear_free(tmp);
344 if (order)
345 BN_free(order);
346 if (kinv)
347 BN_clear_free(kinv);
348 return ret;
349}
350
351static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
352 const ECDSA_SIG *sig, EC_KEY *eckey)
353{
354 int ret = -1, i;
355 BN_CTX *ctx;
356 BIGNUM *order, *u1, *u2, *m, *X;
357 EC_POINT *point = NULL;
358 const EC_GROUP *group;
359 const EC_POINT *pub_key;
360
361 /* check input values */
362 if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||
363 (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL)
364 {
365 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
366 return -1;
367 }
368
369 ctx = BN_CTX_new();
370 if (!ctx)
371 {
372 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
373 return -1;
374 }
375 BN_CTX_start(ctx);
376 order = BN_CTX_get(ctx);
377 u1 = BN_CTX_get(ctx);
378 u2 = BN_CTX_get(ctx);
379 m = BN_CTX_get(ctx);
380 X = BN_CTX_get(ctx);
381 if (!X)
382 {
383 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
384 goto err;
385 }
386
387 if (!EC_GROUP_get_order(group, order, ctx))
388 {
389 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
390 goto err;
391 }
392
393 if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||
394 BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||
395 BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0)
396 {
397 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
398 ret = 0; /* signature is invalid */
399 goto err;
400 }
401 /* calculate tmp1 = inv(S) mod order */
402 if (!BN_mod_inverse(u2, sig->s, order, ctx))
403 {
404 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
405 goto err;
406 }
407 /* digest -> m */
408 i = BN_num_bits(order);
409 /* Need to truncate digest if it is too long: first truncate whole
410 * bytes.
411 */
412 if (8 * dgst_len > i)
413 dgst_len = (i + 7)/8;
414 if (!BN_bin2bn(dgst, dgst_len, m))
415 {
416 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
417 goto err;
418 }
419 /* If still too long truncate remaining bits with a shift */
420 if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
421 {
422 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
423 goto err;
424 }
425 /* u1 = m * tmp mod order */
426 if (!BN_mod_mul(u1, m, u2, order, ctx))
427 {
428 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
429 goto err;
430 }
431 /* u2 = r * w mod q */
432 if (!BN_mod_mul(u2, sig->r, u2, order, ctx))
433 {
434 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
435 goto err;
436 }
437
438 if ((point = EC_POINT_new(group)) == NULL)
439 {
440 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
441 goto err;
442 }
443 if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx))
444 {
445 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
446 goto err;
447 }
448 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
449 {
450 if (!EC_POINT_get_affine_coordinates_GFp(group,
451 point, X, NULL, ctx))
452 {
453 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
454 goto err;
455 }
456 }
457 else /* NID_X9_62_characteristic_two_field */
458 {
459 if (!EC_POINT_get_affine_coordinates_GF2m(group,
460 point, X, NULL, ctx))
461 {
462 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
463 goto err;
464 }
465 }
466
467 if (!BN_nnmod(u1, X, order, ctx))
468 {
469 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
470 goto err;
471 }
472 /* if the signature is correct u1 is equal to sig->r */
473 ret = (BN_ucmp(u1, sig->r) == 0);
474err:
475 BN_CTX_end(ctx);
476 BN_CTX_free(ctx);
477 if (point)
478 EC_POINT_free(point);
479 return ret;
480}
diff --git a/src/lib/libcrypto/ecdsa/ecs_sign.c b/src/lib/libcrypto/ecdsa/ecs_sign.c
new file mode 100644
index 0000000000..353d5af514
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_sign.c
@@ -0,0 +1,106 @@
1/* crypto/ecdsa/ecdsa_sign.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#include "ecs_locl.h"
57#ifndef OPENSSL_NO_ENGINE
58#include <openssl/engine.h>
59#endif
60#include <openssl/rand.h>
61
62ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
63{
64 return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
65}
66
67ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
68 const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey)
69{
70 ECDSA_DATA *ecdsa = ecdsa_check(eckey);
71 if (ecdsa == NULL)
72 return NULL;
73 return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
74}
75
76int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
77 *sig, unsigned int *siglen, EC_KEY *eckey)
78{
79 return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
80}
81
82int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char
83 *sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r,
84 EC_KEY *eckey)
85{
86 ECDSA_SIG *s;
87 RAND_seed(dgst, dlen);
88 s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
89 if (s == NULL)
90 {
91 *siglen=0;
92 return 0;
93 }
94 *siglen = i2d_ECDSA_SIG(s, &sig);
95 ECDSA_SIG_free(s);
96 return 1;
97}
98
99int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
100 BIGNUM **rp)
101{
102 ECDSA_DATA *ecdsa = ecdsa_check(eckey);
103 if (ecdsa == NULL)
104 return 0;
105 return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp);
106}
diff --git a/src/lib/libcrypto/ecdsa/ecs_vrf.c b/src/lib/libcrypto/ecdsa/ecs_vrf.c
new file mode 100644
index 0000000000..ef9acf7b61
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecs_vrf.c
@@ -0,0 +1,96 @@
1/* crypto/ecdsa/ecdsa_vrf.c */
2/*
3 * Written by Nils Larsch for the OpenSSL project
4 */
5/* ====================================================================
6 * Copyright (c) 1998-2002 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 * openssl-core@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 "ecs_locl.h"
60#ifndef OPENSSL_NO_ENGINE
61#include <openssl/engine.h>
62#endif
63
64/* returns
65 * 1: correct signature
66 * 0: incorrect signature
67 * -1: error
68 */
69int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
70 const ECDSA_SIG *sig, EC_KEY *eckey)
71 {
72 ECDSA_DATA *ecdsa = ecdsa_check(eckey);
73 if (ecdsa == NULL)
74 return 0;
75 return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey);
76 }
77
78/* returns
79 * 1: correct signature
80 * 0: incorrect signature
81 * -1: error
82 */
83int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
84 const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
85 {
86 ECDSA_SIG *s;
87 int ret=-1;
88
89 s = ECDSA_SIG_new();
90 if (s == NULL) return(ret);
91 if (d2i_ECDSA_SIG(&s, &sigbuf, sig_len) == NULL) goto err;
92 ret=ECDSA_do_verify(dgst, dgst_len, s, eckey);
93err:
94 ECDSA_SIG_free(s);
95 return(ret);
96 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-27 00:43:30 +0000