summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/ecdsa
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libcrypto/ecdsa')
-rw-r--r--src/lib/libcrypto/ecdsa/ecdsa.h271
-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.c261
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_locl.h107
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_ossl.c478
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_sign.c104
-rw-r--r--src/lib/libcrypto/ecdsa/ecs_vrf.c96
8 files changed, 0 insertions, 1488 deletions
diff --git a/src/lib/libcrypto/ecdsa/ecdsa.h b/src/lib/libcrypto/ecdsa/ecdsa.h
deleted file mode 100644
index f20c8ee738..0000000000
--- a/src/lib/libcrypto/ecdsa/ecdsa.h
+++ /dev/null
@@ -1,271 +0,0 @@
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) 2000-2003 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/** ECDSA_SIG *ECDSA_SIG_new(void)
85 * allocates and initialize a ECDSA_SIG structure
86 * \return pointer to a ECDSA_SIG structure or NULL if an error occurred
87 */
88ECDSA_SIG *ECDSA_SIG_new(void);
89
90/** ECDSA_SIG_free
91 * frees a ECDSA_SIG structure
92 * \param a pointer to the ECDSA_SIG structure
93 */
94void ECDSA_SIG_free(ECDSA_SIG *a);
95
96/** i2d_ECDSA_SIG
97 * DER encode content of ECDSA_SIG object (note: this function modifies *pp
98 * (*pp += length of the DER encoded signature)).
99 * \param a pointer to the ECDSA_SIG object
100 * \param pp pointer to a unsigned char pointer for the output or NULL
101 * \return the length of the DER encoded ECDSA_SIG object or 0
102 */
103int i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **pp);
104
105/** d2i_ECDSA_SIG
106 * decodes a DER encoded ECDSA signature (note: this function changes *pp
107 * (*pp += len)).
108 * \param v pointer to ECDSA_SIG pointer (may be NULL)
109 * \param pp buffer with the DER encoded signature
110 * \param len bufferlength
111 * \return pointer to the decoded ECDSA_SIG structure (or NULL)
112 */
113ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const unsigned char **pp, long len);
114
115/** ECDSA_do_sign
116 * computes the ECDSA signature of the given hash value using
117 * the supplied private key and returns the created signature.
118 * \param dgst pointer to the hash value
119 * \param dgst_len length of the hash value
120 * \param eckey pointer to the EC_KEY object containing a private EC key
121 * \return pointer to a ECDSA_SIG structure or NULL
122 */
123ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey);
124
125/** ECDSA_do_sign_ex
126 * computes ECDSA signature of a given hash value using the supplied
127 * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
128 * \param dgst pointer to the hash value to sign
129 * \param dgstlen length of the hash value
130 * \param kinv optional pointer to a pre-computed inverse k
131 * \param rp optional pointer to the pre-computed rp value (see
132 * ECDSA_sign_setup
133 * \param eckey pointer to the EC_KEY object containing a private EC key
134 * \return pointer to a ECDSA_SIG structure or NULL
135 */
136ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
137 const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
138
139/** ECDSA_do_verify
140 * verifies that the supplied signature is a valid ECDSA
141 * signature of the supplied hash value using the supplied public key.
142 * \param dgst pointer to the hash value
143 * \param dgst_len length of the hash value
144 * \param sig pointer to the ECDSA_SIG structure
145 * \param eckey pointer to the EC_KEY object containing a public EC key
146 * \return 1 if the signature is valid, 0 if the signature is invalid and -1 on error
147 */
148int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
149 const ECDSA_SIG *sig, EC_KEY* eckey);
150
151const ECDSA_METHOD *ECDSA_OpenSSL(void);
152
153/** ECDSA_set_default_method
154 * sets the default ECDSA method
155 * \param meth the new default ECDSA_METHOD
156 */
157void ECDSA_set_default_method(const ECDSA_METHOD *meth);
158
159/** ECDSA_get_default_method
160 * returns the default ECDSA method
161 * \return pointer to ECDSA_METHOD structure containing the default method
162 */
163const ECDSA_METHOD *ECDSA_get_default_method(void);
164
165/** ECDSA_set_method
166 * sets method to be used for the ECDSA operations
167 * \param eckey pointer to the EC_KEY object
168 * \param meth pointer to the new method
169 * \return 1 on success and 0 otherwise
170 */
171int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth);
172
173/** ECDSA_size
174 * returns the maximum length of the DER encoded signature
175 * \param eckey pointer to a EC_KEY object
176 * \return numbers of bytes required for the DER encoded signature
177 */
178int ECDSA_size(const EC_KEY *eckey);
179
180/** ECDSA_sign_setup
181 * precompute parts of the signing operation.
182 * \param eckey pointer to the EC_KEY object containing a private EC key
183 * \param ctx pointer to a BN_CTX object (may be NULL)
184 * \param kinv pointer to a BIGNUM pointer for the inverse of k
185 * \param rp pointer to a BIGNUM pointer for x coordinate of k * generator
186 * \return 1 on success and 0 otherwise
187 */
188int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
189 BIGNUM **rp);
190
191/** ECDSA_sign
192 * computes ECDSA signature of a given hash value using the supplied
193 * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
194 * \param type this parameter is ignored
195 * \param dgst pointer to the hash value to sign
196 * \param dgstlen length of the hash value
197 * \param sig buffer to hold the DER encoded signature
198 * \param siglen pointer to the length of the returned signature
199 * \param eckey pointer to the EC_KEY object containing a private EC key
200 * \return 1 on success and 0 otherwise
201 */
202int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
203 unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
204
205
206/** ECDSA_sign_ex
207 * computes ECDSA signature of a given hash value using the supplied
208 * private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
209 * \param type this parameter is ignored
210 * \param dgst pointer to the hash value to sign
211 * \param dgstlen length of the hash value
212 * \param sig buffer to hold the DER encoded signature
213 * \param siglen pointer to the length of the returned signature
214 * \param kinv optional pointer to a pre-computed inverse k
215 * \param rp optional pointer to the pre-computed rp value (see
216 * ECDSA_sign_setup
217 * \param eckey pointer to the EC_KEY object containing a private EC key
218 * \return 1 on success and 0 otherwise
219 */
220int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
221 unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
222 const BIGNUM *rp, EC_KEY *eckey);
223
224/** ECDSA_verify
225 * verifies that the given signature is valid ECDSA signature
226 * of the supplied hash value using the specified public key.
227 * \param type this parameter is ignored
228 * \param dgst pointer to the hash value
229 * \param dgstlen length of the hash value
230 * \param sig pointer to the DER encoded signature
231 * \param siglen length of the DER encoded signature
232 * \param eckey pointer to the EC_KEY object containing a public EC key
233 * \return 1 if the signature is valid, 0 if the signature is invalid and -1 on error
234 */
235int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
236 const unsigned char *sig, int siglen, EC_KEY *eckey);
237
238/* the standard ex_data functions */
239int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
240 *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
241int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg);
242void *ECDSA_get_ex_data(EC_KEY *d, int idx);
243
244
245/* BEGIN ERROR CODES */
246/* The following lines are auto generated by the script mkerr.pl. Any changes
247 * made after this point may be overwritten when the script is next run.
248 */
249void ERR_load_ECDSA_strings(void);
250
251/* Error codes for the ECDSA functions. */
252
253/* Function codes. */
254#define ECDSA_F_ECDSA_DATA_NEW_METHOD 100
255#define ECDSA_F_ECDSA_DO_SIGN 101
256#define ECDSA_F_ECDSA_DO_VERIFY 102
257#define ECDSA_F_ECDSA_SIGN_SETUP 103
258
259/* Reason codes. */
260#define ECDSA_R_BAD_SIGNATURE 100
261#define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
262#define ECDSA_R_ERR_EC_LIB 102
263#define ECDSA_R_MISSING_PARAMETERS 103
264#define ECDSA_R_NEED_NEW_SETUP_VALUES 106
265#define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
266#define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
267
268#ifdef __cplusplus
269}
270#endif
271#endif
diff --git a/src/lib/libcrypto/ecdsa/ecs_asn1.c b/src/lib/libcrypto/ecdsa/ecs_asn1.c
deleted file mode 100644
index b295489400..0000000000
--- a/src/lib/libcrypto/ecdsa/ecs_asn1.c
+++ /dev/null
@@ -1,67 +0,0 @@
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
deleted file mode 100644
index d2a53730ea..0000000000
--- a/src/lib/libcrypto/ecdsa/ecs_err.c
+++ /dev/null
@@ -1,104 +0,0 @@
1/* crypto/ecdsa/ecs_err.c */
2/* ====================================================================
3 * Copyright (c) 1999-2005 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/* 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
deleted file mode 100644
index 85e8a3a7ed..0000000000
--- a/src/lib/libcrypto/ecdsa/ecs_lib.c
+++ /dev/null
@@ -1,261 +0,0 @@
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 const ECDSA_METHOD *mtmp;
87 ECDSA_DATA *ecdsa;
88
89 ecdsa = ecdsa_check(eckey);
90
91 if (ecdsa == NULL)
92 return 0;
93
94 mtmp = ecdsa->meth;
95#ifndef OPENSSL_NO_ENGINE
96 if (ecdsa->engine)
97 {
98 ENGINE_finish(ecdsa->engine);
99 ecdsa->engine = NULL;
100 }
101#endif
102 ecdsa->meth = meth;
103
104 return 1;
105}
106
107static ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *engine)
108{
109 ECDSA_DATA *ret;
110
111 ret=(ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
112 if (ret == NULL)
113 {
114 ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
115 return(NULL);
116 }
117
118 ret->init = NULL;
119
120 ret->meth = ECDSA_get_default_method();
121 ret->engine = engine;
122#ifndef OPENSSL_NO_ENGINE
123 if (!ret->engine)
124 ret->engine = ENGINE_get_default_ECDSA();
125 if (ret->engine)
126 {
127 ret->meth = ENGINE_get_ECDSA(ret->engine);
128 if (!ret->meth)
129 {
130 ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
131 ENGINE_finish(ret->engine);
132 OPENSSL_free(ret);
133 return NULL;
134 }
135 }
136#endif
137
138 ret->flags = ret->meth->flags;
139 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
140#if 0
141 if ((ret->meth->init != NULL) && !ret->meth->init(ret))
142 {
143 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
144 OPENSSL_free(ret);
145 ret=NULL;
146 }
147#endif
148 return(ret);
149}
150
151static void *ecdsa_data_new(void)
152{
153 return (void *)ECDSA_DATA_new_method(NULL);
154}
155
156static void *ecdsa_data_dup(void *data)
157{
158 ECDSA_DATA *r = (ECDSA_DATA *)data;
159
160 /* XXX: dummy operation */
161 if (r == NULL)
162 return NULL;
163
164 return ecdsa_data_new();
165}
166
167static void ecdsa_data_free(void *data)
168{
169 ECDSA_DATA *r = (ECDSA_DATA *)data;
170
171#ifndef OPENSSL_NO_ENGINE
172 if (r->engine)
173 ENGINE_finish(r->engine);
174#endif
175 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
176
177 OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
178
179 OPENSSL_free(r);
180}
181
182ECDSA_DATA *ecdsa_check(EC_KEY *key)
183{
184 ECDSA_DATA *ecdsa_data;
185
186 void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
187 ecdsa_data_free, ecdsa_data_free);
188 if (data == NULL)
189 {
190 ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
191 if (ecdsa_data == NULL)
192 return NULL;
193 EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
194 ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
195 }
196 else
197 ecdsa_data = (ECDSA_DATA *)data;
198
199
200 return ecdsa_data;
201}
202
203int ECDSA_size(const EC_KEY *r)
204{
205 int ret,i;
206 ASN1_INTEGER bs;
207 BIGNUM *order=NULL;
208 unsigned char buf[4];
209 const EC_GROUP *group;
210
211 if (r == NULL)
212 return 0;
213 group = EC_KEY_get0_group(r);
214 if (group == NULL)
215 return 0;
216
217 if ((order = BN_new()) == NULL) return 0;
218 if (!EC_GROUP_get_order(group,order,NULL))
219 {
220 BN_clear_free(order);
221 return 0;
222 }
223 i=BN_num_bits(order);
224 bs.length=(i+7)/8;
225 bs.data=buf;
226 bs.type=V_ASN1_INTEGER;
227 /* If the top bit is set the asn1 encoding is 1 larger. */
228 buf[0]=0xff;
229
230 i=i2d_ASN1_INTEGER(&bs,NULL);
231 i+=i; /* r and s */
232 ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE);
233 BN_clear_free(order);
234 return(ret);
235}
236
237
238int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
239 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
240{
241 return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp,
242 new_func, dup_func, free_func);
243}
244
245int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg)
246{
247 ECDSA_DATA *ecdsa;
248 ecdsa = ecdsa_check(d);
249 if (ecdsa == NULL)
250 return 0;
251 return(CRYPTO_set_ex_data(&ecdsa->ex_data,idx,arg));
252}
253
254void *ECDSA_get_ex_data(EC_KEY *d, int idx)
255{
256 ECDSA_DATA *ecdsa;
257 ecdsa = ecdsa_check(d);
258 if (ecdsa == NULL)
259 return NULL;
260 return(CRYPTO_get_ex_data(&ecdsa->ex_data,idx));
261}
diff --git a/src/lib/libcrypto/ecdsa/ecs_locl.h b/src/lib/libcrypto/ecdsa/ecs_locl.h
deleted file mode 100644
index 3a69a840e2..0000000000
--- a/src/lib/libcrypto/ecdsa/ecs_locl.h
+++ /dev/null
@@ -1,107 +0,0 @@
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
deleted file mode 100644
index 3ead1af94e..0000000000
--- a/src/lib/libcrypto/ecdsa/ecs_ossl.c
+++ /dev/null
@@ -1,478 +0,0 @@
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 /* compute r the x-coordinate of generator * k */
148 if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx))
149 {
150 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
151 goto err;
152 }
153 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
154 {
155 if (!EC_POINT_get_affine_coordinates_GFp(group,
156 tmp_point, X, NULL, ctx))
157 {
158 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
159 goto err;
160 }
161 }
162 else /* NID_X9_62_characteristic_two_field */
163 {
164 if (!EC_POINT_get_affine_coordinates_GF2m(group,
165 tmp_point, X, NULL, ctx))
166 {
167 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
168 goto err;
169 }
170 }
171 if (!BN_nnmod(r, X, order, ctx))
172 {
173 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
174 goto err;
175 }
176 }
177 while (BN_is_zero(r));
178
179 /* compute the inverse of k */
180 if (!BN_mod_inverse(k, k, order, ctx))
181 {
182 ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
183 goto err;
184 }
185 /* clear old values if necessary */
186 if (*rp != NULL)
187 BN_clear_free(*rp);
188 if (*kinvp != NULL)
189 BN_clear_free(*kinvp);
190 /* save the pre-computed values */
191 *rp = r;
192 *kinvp = k;
193 ret = 1;
194err:
195 if (!ret)
196 {
197 if (k != NULL) BN_clear_free(k);
198 if (r != NULL) BN_clear_free(r);
199 }
200 if (ctx_in == NULL)
201 BN_CTX_free(ctx);
202 if (order != NULL)
203 BN_free(order);
204 if (tmp_point != NULL)
205 EC_POINT_free(tmp_point);
206 if (X)
207 BN_clear_free(X);
208 return(ret);
209}
210
211
212static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len,
213 const BIGNUM *in_kinv, const BIGNUM *in_r, EC_KEY *eckey)
214{
215 int ok = 0;
216 BIGNUM *kinv=NULL, *s, *m=NULL,*tmp=NULL,*order=NULL;
217 const BIGNUM *ckinv;
218 BN_CTX *ctx = NULL;
219 const EC_GROUP *group;
220 ECDSA_SIG *ret;
221 ECDSA_DATA *ecdsa;
222 const BIGNUM *priv_key;
223
224 ecdsa = ecdsa_check(eckey);
225 group = EC_KEY_get0_group(eckey);
226 priv_key = EC_KEY_get0_private_key(eckey);
227
228 if (group == NULL || priv_key == NULL || ecdsa == NULL)
229 {
230 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
231 return NULL;
232 }
233
234 ret = ECDSA_SIG_new();
235 if (!ret)
236 {
237 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
238 return NULL;
239 }
240 s = ret->s;
241
242 if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||
243 (tmp = BN_new()) == NULL || (m = BN_new()) == NULL)
244 {
245 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
246 goto err;
247 }
248
249 if (!EC_GROUP_get_order(group, order, ctx))
250 {
251 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
252 goto err;
253 }
254 if (8 * dgst_len > BN_num_bits(order))
255 {
256 /* XXX
257 *
258 * Should provide for optional hash truncation:
259 * Keep the BN_num_bits(order) leftmost bits of dgst
260 * (see March 2006 FIPS 186-3 draft, which has a few
261 * confusing errors in this part though)
262 */
263
264 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,
265 ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
266 goto err;
267 }
268
269 if (!BN_bin2bn(dgst, dgst_len, m))
270 {
271 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
272 goto err;
273 }
274 do
275 {
276 if (in_kinv == NULL || in_r == NULL)
277 {
278 if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r))
279 {
280 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,ERR_R_ECDSA_LIB);
281 goto err;
282 }
283 ckinv = kinv;
284 }
285 else
286 {
287 ckinv = in_kinv;
288 if (BN_copy(ret->r, in_r) == NULL)
289 {
290 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
291 goto err;
292 }
293 }
294
295 if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx))
296 {
297 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
298 goto err;
299 }
300 if (!BN_mod_add_quick(s, tmp, m, order))
301 {
302 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
303 goto err;
304 }
305 if (!BN_mod_mul(s, s, ckinv, order, ctx))
306 {
307 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
308 goto err;
309 }
310 if (BN_is_zero(s))
311 {
312 /* if kinv and r have been supplied by the caller
313 * don't to generate new kinv and r values */
314 if (in_kinv != NULL && in_r != NULL)
315 {
316 ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ECDSA_R_NEED_NEW_SETUP_VALUES);
317 goto err;
318 }
319 }
320 else
321 /* s != 0 => we have a valid signature */
322 break;
323 }
324 while (1);
325
326 ok = 1;
327err:
328 if (!ok)
329 {
330 ECDSA_SIG_free(ret);
331 ret = NULL;
332 }
333 if (ctx)
334 BN_CTX_free(ctx);
335 if (m)
336 BN_clear_free(m);
337 if (tmp)
338 BN_clear_free(tmp);
339 if (order)
340 BN_free(order);
341 if (kinv)
342 BN_clear_free(kinv);
343 return ret;
344}
345
346static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
347 const ECDSA_SIG *sig, EC_KEY *eckey)
348{
349 int ret = -1;
350 BN_CTX *ctx;
351 BIGNUM *order, *u1, *u2, *m, *X;
352 EC_POINT *point = NULL;
353 const EC_GROUP *group;
354 const EC_POINT *pub_key;
355
356 /* check input values */
357 if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||
358 (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL)
359 {
360 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
361 return -1;
362 }
363
364 ctx = BN_CTX_new();
365 if (!ctx)
366 {
367 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
368 return -1;
369 }
370 BN_CTX_start(ctx);
371 order = BN_CTX_get(ctx);
372 u1 = BN_CTX_get(ctx);
373 u2 = BN_CTX_get(ctx);
374 m = BN_CTX_get(ctx);
375 X = BN_CTX_get(ctx);
376 if (!X)
377 {
378 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
379 goto err;
380 }
381
382 if (!EC_GROUP_get_order(group, order, ctx))
383 {
384 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
385 goto err;
386 }
387 if (8 * dgst_len > BN_num_bits(order))
388 {
389 /* XXX
390 *
391 * Should provide for optional hash truncation:
392 * Keep the BN_num_bits(order) leftmost bits of dgst
393 * (see March 2006 FIPS 186-3 draft, which has a few
394 * confusing errors in this part though)
395 */
396
397 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY,
398 ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
399 ret = 0;
400 goto err;
401 }
402
403 if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||
404 BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||
405 BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0)
406 {
407 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
408 ret = 0; /* signature is invalid */
409 goto err;
410 }
411 /* calculate tmp1 = inv(S) mod order */
412 if (!BN_mod_inverse(u2, sig->s, order, ctx))
413 {
414 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
415 goto err;
416 }
417 /* digest -> m */
418 if (!BN_bin2bn(dgst, dgst_len, m))
419 {
420 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
421 goto err;
422 }
423 /* u1 = m * tmp mod order */
424 if (!BN_mod_mul(u1, m, u2, order, ctx))
425 {
426 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
427 goto err;
428 }
429 /* u2 = r * w mod q */
430 if (!BN_mod_mul(u2, sig->r, u2, order, ctx))
431 {
432 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
433 goto err;
434 }
435
436 if ((point = EC_POINT_new(group)) == NULL)
437 {
438 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
439 goto err;
440 }
441 if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx))
442 {
443 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
444 goto err;
445 }
446 if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
447 {
448 if (!EC_POINT_get_affine_coordinates_GFp(group,
449 point, X, NULL, ctx))
450 {
451 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
452 goto err;
453 }
454 }
455 else /* NID_X9_62_characteristic_two_field */
456 {
457 if (!EC_POINT_get_affine_coordinates_GF2m(group,
458 point, X, NULL, ctx))
459 {
460 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
461 goto err;
462 }
463 }
464
465 if (!BN_nnmod(u1, X, order, ctx))
466 {
467 ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
468 goto err;
469 }
470 /* if the signature is correct u1 is equal to sig->r */
471 ret = (BN_ucmp(u1, sig->r) == 0);
472err:
473 BN_CTX_end(ctx);
474 BN_CTX_free(ctx);
475 if (point)
476 EC_POINT_free(point);
477 return ret;
478}
diff --git a/src/lib/libcrypto/ecdsa/ecs_sign.c b/src/lib/libcrypto/ecdsa/ecs_sign.c
deleted file mode 100644
index 74b1fe8caf..0000000000
--- a/src/lib/libcrypto/ecdsa/ecs_sign.c
+++ /dev/null
@@ -1,104 +0,0 @@
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
61ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
62{
63 return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
64}
65
66ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
67 const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey)
68{
69 ECDSA_DATA *ecdsa = ecdsa_check(eckey);
70 if (ecdsa == NULL)
71 return NULL;
72 return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
73}
74
75int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
76 *sig, unsigned int *siglen, EC_KEY *eckey)
77{
78 return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
79}
80
81int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char
82 *sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r,
83 EC_KEY *eckey)
84{
85 ECDSA_SIG *s;
86 s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
87 if (s == NULL)
88 {
89 *siglen=0;
90 return 0;
91 }
92 *siglen = i2d_ECDSA_SIG(s, &sig);
93 ECDSA_SIG_free(s);
94 return 1;
95}
96
97int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
98 BIGNUM **rp)
99{
100 ECDSA_DATA *ecdsa = ecdsa_check(eckey);
101 if (ecdsa == NULL)
102 return 0;
103 return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp);
104}
diff --git a/src/lib/libcrypto/ecdsa/ecs_vrf.c b/src/lib/libcrypto/ecdsa/ecs_vrf.c
deleted file mode 100644
index ef9acf7b61..0000000000
--- a/src/lib/libcrypto/ecdsa/ecs_vrf.c
+++ /dev/null
@@ -1,96 +0,0 @@
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 2025-04-03 23:08:30 +0000