diff options
Diffstat (limited to 'src/lib/libcrypto/ecdsa')
-rw-r--r-- | src/lib/libcrypto/ecdsa/ecdsa.h | 138 |
1 files changed, 5 insertions, 133 deletions
diff --git a/src/lib/libcrypto/ecdsa/ecdsa.h b/src/lib/libcrypto/ecdsa/ecdsa.h index 6139dbac1a..2e6b672627 100644 --- a/src/lib/libcrypto/ecdsa/ecdsa.h +++ b/src/lib/libcrypto/ecdsa/ecdsa.h | |||
@@ -1,7 +1,6 @@ | |||
1 | /* $OpenBSD: ecdsa.h,v 1.15 2023/04/18 08:47:28 tb Exp $ */ | 1 | /* $OpenBSD: ecdsa.h,v 1.16 2023/06/19 09:12:41 tb Exp $ */ |
2 | /** | 2 | /* |
3 | * \file crypto/ecdsa/ecdsa.h Include file for the OpenSSL ECDSA functions | 3 | * Written by Nils Larsch for the OpenSSL project |
4 | * \author Written by Nils Larsch for the OpenSSL project | ||
5 | */ | 4 | */ |
6 | /* ==================================================================== | 5 | /* ==================================================================== |
7 | * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. | 6 | * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. |
@@ -88,7 +87,8 @@ struct ecdsa_method { | |||
88 | char *app_data; | 87 | char *app_data; |
89 | }; | 88 | }; |
90 | 89 | ||
91 | /* If this flag is set the ECDSA method is FIPS compliant and can be used | 90 | /* |
91 | * If this flag is set, the ECDSA method is FIPS compliant and can be used | ||
92 | * in FIPS mode. This is set in the validated module method. If an | 92 | * in FIPS mode. This is set in the validated module method. If an |
93 | * application sets this flag in its own methods it is its responsibility | 93 | * application sets this flag in its own methods it is its responsibility |
94 | * to ensure the result is compliant. | 94 | * to ensure the result is compliant. |
@@ -96,172 +96,44 @@ struct ecdsa_method { | |||
96 | 96 | ||
97 | #define ECDSA_FLAG_FIPS_METHOD 0x1 | 97 | #define ECDSA_FLAG_FIPS_METHOD 0x1 |
98 | 98 | ||
99 | /** Allocates and initialize a ECDSA_SIG structure | ||
100 | * \return pointer to a ECDSA_SIG structure or NULL if an error occurred | ||
101 | */ | ||
102 | ECDSA_SIG *ECDSA_SIG_new(void); | 99 | ECDSA_SIG *ECDSA_SIG_new(void); |
103 | |||
104 | /** frees a ECDSA_SIG structure | ||
105 | * \param sig pointer to the ECDSA_SIG structure | ||
106 | */ | ||
107 | void ECDSA_SIG_free(ECDSA_SIG *sig); | 100 | void ECDSA_SIG_free(ECDSA_SIG *sig); |
108 | |||
109 | /** DER encode content of ECDSA_SIG object (note: this function modifies *pp | ||
110 | * (*pp += length of the DER encoded signature)). | ||
111 | * \param sig pointer to the ECDSA_SIG object | ||
112 | * \param pp pointer to a unsigned char pointer for the output or NULL | ||
113 | * \return the length of the DER encoded ECDSA_SIG object or 0 | ||
114 | */ | ||
115 | int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp); | 101 | int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp); |
116 | |||
117 | /** Decodes a DER encoded ECDSA signature (note: this function changes *pp | ||
118 | * (*pp += len)). | ||
119 | * \param sig pointer to ECDSA_SIG pointer (may be NULL) | ||
120 | * \param pp memory buffer with the DER encoded signature | ||
121 | * \param len length of the buffer | ||
122 | * \return pointer to the decoded ECDSA_SIG structure (or NULL) | ||
123 | */ | ||
124 | ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); | 102 | ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); |
125 | |||
126 | /** Accessor for r and s fields of ECDSA_SIG | ||
127 | * \param sig pointer to ECDSA_SIG pointer | ||
128 | * \param pr pointer to BIGNUM pointer for r (may be NULL) | ||
129 | * \param ps pointer to BIGNUM pointer for s (may be NULL) | ||
130 | */ | ||
131 | void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); | 103 | void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); |
132 | 104 | ||
133 | const BIGNUM *ECDSA_SIG_get0_r(const ECDSA_SIG *sig); | 105 | const BIGNUM *ECDSA_SIG_get0_r(const ECDSA_SIG *sig); |
134 | const BIGNUM *ECDSA_SIG_get0_s(const ECDSA_SIG *sig); | 106 | const BIGNUM *ECDSA_SIG_get0_s(const ECDSA_SIG *sig); |
135 | |||
136 | /** Setter for r and s fields of ECDSA_SIG | ||
137 | * \param sig pointer to ECDSA_SIG pointer | ||
138 | * \param r pointer to BIGNUM for r (may be NULL) | ||
139 | * \param s pointer to BIGNUM for s (may be NULL) | ||
140 | */ | ||
141 | int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s); | 107 | int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s); |
142 | 108 | ||
143 | /** Computes the ECDSA signature of the given hash value using | ||
144 | * the supplied private key and returns the created signature. | ||
145 | * \param dgst pointer to the hash value | ||
146 | * \param dgst_len length of the hash value | ||
147 | * \param eckey EC_KEY object containing a private EC key | ||
148 | * \return pointer to a ECDSA_SIG structure or NULL if an error occurred | ||
149 | */ | ||
150 | ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len, | 109 | ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len, |
151 | EC_KEY *eckey); | 110 | EC_KEY *eckey); |
152 | |||
153 | /** Computes ECDSA signature of a given hash value using the supplied | ||
154 | * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). | ||
155 | * \param dgst pointer to the hash value to sign | ||
156 | * \param dgstlen length of the hash value | ||
157 | * \param kinv BIGNUM with a pre-computed inverse k (optional) | ||
158 | * \param rp BIGNUM with a pre-computed rp value (optional), | ||
159 | * see ECDSA_sign_setup | ||
160 | * \param eckey EC_KEY object containing a private EC key | ||
161 | * \return pointer to a ECDSA_SIG structure or NULL if an error occurred | ||
162 | */ | ||
163 | ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen, | 111 | ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen, |
164 | const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey); | 112 | const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey); |
165 | |||
166 | /** Verifies that the supplied signature is a valid ECDSA | ||
167 | * signature of the supplied hash value using the supplied public key. | ||
168 | * \param dgst pointer to the hash value | ||
169 | * \param dgst_len length of the hash value | ||
170 | * \param sig ECDSA_SIG structure | ||
171 | * \param eckey EC_KEY object containing a public EC key | ||
172 | * \return 1 if the signature is valid, 0 if the signature is invalid | ||
173 | * and -1 on error | ||
174 | */ | ||
175 | int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, | 113 | int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, |
176 | const ECDSA_SIG *sig, EC_KEY* eckey); | 114 | const ECDSA_SIG *sig, EC_KEY* eckey); |
177 | 115 | ||
178 | const ECDSA_METHOD *ECDSA_OpenSSL(void); | 116 | const ECDSA_METHOD *ECDSA_OpenSSL(void); |
179 | |||
180 | /** Sets the default ECDSA method | ||
181 | * \param meth new default ECDSA_METHOD | ||
182 | */ | ||
183 | void ECDSA_set_default_method(const ECDSA_METHOD *meth); | 117 | void ECDSA_set_default_method(const ECDSA_METHOD *meth); |
184 | |||
185 | /** Returns the default ECDSA method | ||
186 | * \return pointer to ECDSA_METHOD structure containing the default method | ||
187 | */ | ||
188 | const ECDSA_METHOD *ECDSA_get_default_method(void); | 118 | const ECDSA_METHOD *ECDSA_get_default_method(void); |
189 | |||
190 | /** Sets method to be used for the ECDSA operations | ||
191 | * \param eckey EC_KEY object | ||
192 | * \param meth new method | ||
193 | * \return 1 on success and 0 otherwise | ||
194 | */ | ||
195 | int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth); | 119 | int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth); |
196 | |||
197 | /** Returns the maximum length of the DER encoded signature | ||
198 | * \param eckey EC_KEY object | ||
199 | * \return numbers of bytes required for the DER encoded signature | ||
200 | */ | ||
201 | int ECDSA_size(const EC_KEY *eckey); | 120 | int ECDSA_size(const EC_KEY *eckey); |
202 | 121 | ||
203 | /** Precompute parts of the signing operation | ||
204 | * \param eckey EC_KEY object containing a private EC key | ||
205 | * \param ctx BN_CTX object (optional) | ||
206 | * \param kinv BIGNUM pointer for the inverse of k | ||
207 | * \param rp BIGNUM pointer for x coordinate of k * generator | ||
208 | * \return 1 on success and 0 otherwise | ||
209 | */ | ||
210 | int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, | 122 | int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, |
211 | BIGNUM **rp); | 123 | BIGNUM **rp); |
212 | |||
213 | /** Computes ECDSA signature of a given hash value using the supplied | ||
214 | * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). | ||
215 | * \param type this parameter is ignored | ||
216 | * \param dgst pointer to the hash value to sign | ||
217 | * \param dgstlen length of the hash value | ||
218 | * \param sig memory for the DER encoded created signature | ||
219 | * \param siglen pointer to the length of the returned signature | ||
220 | * \param eckey EC_KEY object containing a private EC key | ||
221 | * \return 1 on success and 0 otherwise | ||
222 | */ | ||
223 | int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen, | 124 | int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen, |
224 | unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); | 125 | unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); |
225 | |||
226 | |||
227 | /** Computes ECDSA signature of a given hash value using the supplied | ||
228 | * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). | ||
229 | * \param type this parameter is ignored | ||
230 | * \param dgst pointer to the hash value to sign | ||
231 | * \param dgstlen length of the hash value | ||
232 | * \param sig buffer to hold the DER encoded signature | ||
233 | * \param siglen pointer to the length of the returned signature | ||
234 | * \param kinv BIGNUM with a pre-computed inverse k (optional) | ||
235 | * \param rp BIGNUM with a pre-computed rp value (optional), | ||
236 | * see ECDSA_sign_setup | ||
237 | * \param eckey EC_KEY object containing a private EC key | ||
238 | * \return 1 on success and 0 otherwise | ||
239 | */ | ||
240 | int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen, | 126 | int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen, |
241 | unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv, | 127 | unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv, |
242 | const BIGNUM *rp, EC_KEY *eckey); | 128 | const BIGNUM *rp, EC_KEY *eckey); |
243 | |||
244 | /** Verifies that the given signature is valid ECDSA signature | ||
245 | * of the supplied hash value using the specified public key. | ||
246 | * \param type this parameter is ignored | ||
247 | * \param dgst pointer to the hash value | ||
248 | * \param dgstlen length of the hash value | ||
249 | * \param sig pointer to the DER encoded signature | ||
250 | * \param siglen length of the DER encoded signature | ||
251 | * \param eckey EC_KEY object containing a public EC key | ||
252 | * \return 1 if the signature is valid, 0 if the signature is invalid | ||
253 | * and -1 on error | ||
254 | */ | ||
255 | int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen, | 129 | int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen, |
256 | const unsigned char *sig, int siglen, EC_KEY *eckey); | 130 | const unsigned char *sig, int siglen, EC_KEY *eckey); |
257 | 131 | ||
258 | /* the standard ex_data functions */ | ||
259 | int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | 132 | int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, |
260 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); | 133 | CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); |
261 | int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg); | 134 | int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg); |
262 | void *ECDSA_get_ex_data(EC_KEY *d, int idx); | 135 | void *ECDSA_get_ex_data(EC_KEY *d, int idx); |
263 | 136 | ||
264 | |||
265 | /* XXX should be in ec.h, but needs ECDSA_SIG */ | 137 | /* XXX should be in ec.h, but needs ECDSA_SIG */ |
266 | void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth, | 138 | void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth, |
267 | int (*sign)(int type, const unsigned char *dgst, | 139 | int (*sign)(int type, const unsigned char *dgst, |