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author | djm <> | 2010-10-01 22:54:21 +0000 |
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committer | djm <> | 2010-10-01 22:54:21 +0000 |
commit | 829fd51d4f8dde4a7f3bf54754f3c1d1a502f5e2 (patch) | |
tree | e03b9f1bd051e844b971936729e9df549a209130 /src/lib/libcrypto/ecdsa/ecdsa.h | |
parent | e6b755d2a53d3cac7a344dfdd6bf7c951cac754c (diff) | |
download | openbsd-829fd51d4f8dde4a7f3bf54754f3c1d1a502f5e2.tar.gz openbsd-829fd51d4f8dde4a7f3bf54754f3c1d1a502f5e2.tar.bz2 openbsd-829fd51d4f8dde4a7f3bf54754f3c1d1a502f5e2.zip |
import OpenSSL-1.0.0a
Diffstat (limited to 'src/lib/libcrypto/ecdsa/ecdsa.h')
-rw-r--r-- | src/lib/libcrypto/ecdsa/ecdsa.h | 193 |
1 files changed, 90 insertions, 103 deletions
diff --git a/src/lib/libcrypto/ecdsa/ecdsa.h b/src/lib/libcrypto/ecdsa/ecdsa.h index f20c8ee738..e61c539812 100644 --- a/src/lib/libcrypto/ecdsa/ecdsa.h +++ b/src/lib/libcrypto/ecdsa/ecdsa.h | |||
@@ -4,7 +4,7 @@ | |||
4 | * \author Written by Nils Larsch for the OpenSSL project | 4 | * \author Written by Nils Larsch for the OpenSSL project |
5 | */ | 5 | */ |
6 | /* ==================================================================== | 6 | /* ==================================================================== |
7 | * Copyright (c) 2000-2003 The OpenSSL Project. All rights reserved. | 7 | * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. |
8 | * | 8 | * |
9 | * Redistribution and use in source and binary forms, with or without | 9 | * Redistribution and use in source and binary forms, with or without |
10 | * modification, are permitted provided that the following conditions | 10 | * modification, are permitted provided that the following conditions |
@@ -81,156 +81,143 @@ typedef struct ECDSA_SIG_st | |||
81 | BIGNUM *s; | 81 | BIGNUM *s; |
82 | } ECDSA_SIG; | 82 | } ECDSA_SIG; |
83 | 83 | ||
84 | /** ECDSA_SIG *ECDSA_SIG_new(void) | 84 | /** Allocates and initialize a ECDSA_SIG structure |
85 | * allocates and initialize a ECDSA_SIG structure | 85 | * \return pointer to a ECDSA_SIG structure or NULL if an error occurred |
86 | * \return pointer to a ECDSA_SIG structure or NULL if an error occurred | ||
87 | */ | 86 | */ |
88 | ECDSA_SIG *ECDSA_SIG_new(void); | 87 | ECDSA_SIG *ECDSA_SIG_new(void); |
89 | 88 | ||
90 | /** ECDSA_SIG_free | 89 | /** frees a ECDSA_SIG structure |
91 | * frees a ECDSA_SIG structure | 90 | * \param sig pointer to the ECDSA_SIG structure |
92 | * \param a pointer to the ECDSA_SIG structure | ||
93 | */ | 91 | */ |
94 | void ECDSA_SIG_free(ECDSA_SIG *a); | 92 | void ECDSA_SIG_free(ECDSA_SIG *sig); |
95 | 93 | ||
96 | /** i2d_ECDSA_SIG | 94 | /** DER encode content of ECDSA_SIG object (note: this function modifies *pp |
97 | * DER encode content of ECDSA_SIG object (note: this function modifies *pp | 95 | * (*pp += length of the DER encoded signature)). |
98 | * (*pp += length of the DER encoded signature)). | 96 | * \param sig pointer to the ECDSA_SIG object |
99 | * \param a pointer to the ECDSA_SIG object | 97 | * \param pp pointer to a unsigned char pointer for the output or NULL |
100 | * \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 |
101 | * \return the length of the DER encoded ECDSA_SIG object or 0 | ||
102 | */ | 99 | */ |
103 | int i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **pp); | 100 | int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp); |
104 | 101 | ||
105 | /** d2i_ECDSA_SIG | 102 | /** Decodes a DER encoded ECDSA signature (note: this function changes *pp |
106 | * decodes a DER encoded ECDSA signature (note: this function changes *pp | 103 | * (*pp += len)). |
107 | * (*pp += len)). | 104 | * \param sig pointer to ECDSA_SIG pointer (may be NULL) |
108 | * \param v pointer to ECDSA_SIG pointer (may be NULL) | 105 | * \param pp memory buffer with the DER encoded signature |
109 | * \param pp buffer with the DER encoded signature | 106 | * \param len length of the buffer |
110 | * \param len bufferlength | 107 | * \return pointer to the decoded ECDSA_SIG structure (or NULL) |
111 | * \return pointer to the decoded ECDSA_SIG structure (or NULL) | ||
112 | */ | 108 | */ |
113 | ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const unsigned char **pp, long len); | 109 | ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); |
114 | 110 | ||
115 | /** ECDSA_do_sign | 111 | /** Computes the ECDSA signature of the given hash value using |
116 | * computes the ECDSA signature of the given hash value using | 112 | * the supplied private key and returns the created signature. |
117 | * the supplied private key and returns the created signature. | 113 | * \param dgst pointer to the hash value |
118 | * \param dgst pointer to the hash value | 114 | * \param dgst_len length of the hash value |
119 | * \param dgst_len length of the hash value | 115 | * \param eckey EC_KEY object containing a private EC key |
120 | * \param eckey pointer to the EC_KEY object containing a private EC key | 116 | * \return pointer to a ECDSA_SIG structure or NULL if an error occurred |
121 | * \return pointer to a ECDSA_SIG structure or NULL | ||
122 | */ | 117 | */ |
123 | ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey); | 118 | ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey); |
124 | 119 | ||
125 | /** ECDSA_do_sign_ex | 120 | /** Computes ECDSA signature of a given hash value using the supplied |
126 | * 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). |
127 | * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). | 122 | * \param dgst pointer to the hash value to sign |
128 | * \param dgst pointer to the hash value to sign | 123 | * \param dgstlen length of the hash value |
129 | * \param dgstlen length of the hash value | 124 | * \param kinv BIGNUM with a pre-computed inverse k (optional) |
130 | * \param kinv optional pointer to a pre-computed inverse k | 125 | * \param rp BIGNUM with a pre-computed rp value (optioanl), |
131 | * \param rp optional pointer to the pre-computed rp value (see | 126 | * see ECDSA_sign_setup |
132 | * ECDSA_sign_setup | 127 | * \param eckey EC_KEY object containing a private EC key |
133 | * \param eckey pointer to the EC_KEY object containing a private EC key | 128 | * \return pointer to a ECDSA_SIG structure or NULL if an error occurred |
134 | * \return pointer to a ECDSA_SIG structure or NULL | ||
135 | */ | 129 | */ |
136 | ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen, | 130 | ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen, |
137 | const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey); | 131 | const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey); |
138 | 132 | ||
139 | /** ECDSA_do_verify | 133 | /** Verifies that the supplied signature is a valid ECDSA |
140 | * verifies that the supplied signature is a valid ECDSA | 134 | * signature of the supplied hash value using the supplied public key. |
141 | * signature of the supplied hash value using the supplied public key. | 135 | * \param dgst pointer to the hash value |
142 | * \param dgst pointer to the hash value | 136 | * \param dgst_len length of the hash value |
143 | * \param dgst_len length of the hash value | 137 | * \param sig ECDSA_SIG structure |
144 | * \param sig pointer to the ECDSA_SIG structure | 138 | * \param eckey EC_KEY object containing a public EC key |
145 | * \param eckey pointer to the EC_KEY object containing a public EC key | 139 | * \return 1 if the signature is valid, 0 if the signature is invalid |
146 | * \return 1 if the signature is valid, 0 if the signature is invalid and -1 on error | 140 | * and -1 on error |
147 | */ | 141 | */ |
148 | int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, | 142 | int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, |
149 | const ECDSA_SIG *sig, EC_KEY* eckey); | 143 | const ECDSA_SIG *sig, EC_KEY* eckey); |
150 | 144 | ||
151 | const ECDSA_METHOD *ECDSA_OpenSSL(void); | 145 | const ECDSA_METHOD *ECDSA_OpenSSL(void); |
152 | 146 | ||
153 | /** ECDSA_set_default_method | 147 | /** Sets the default ECDSA method |
154 | * sets the default ECDSA method | 148 | * \param meth new default ECDSA_METHOD |
155 | * \param meth the new default ECDSA_METHOD | ||
156 | */ | 149 | */ |
157 | void ECDSA_set_default_method(const ECDSA_METHOD *meth); | 150 | void ECDSA_set_default_method(const ECDSA_METHOD *meth); |
158 | 151 | ||
159 | /** ECDSA_get_default_method | 152 | /** Returns the default ECDSA method |
160 | * returns the default ECDSA method | 153 | * \return pointer to ECDSA_METHOD structure containing the default method |
161 | * \return pointer to ECDSA_METHOD structure containing the default method | ||
162 | */ | 154 | */ |
163 | const ECDSA_METHOD *ECDSA_get_default_method(void); | 155 | const ECDSA_METHOD *ECDSA_get_default_method(void); |
164 | 156 | ||
165 | /** ECDSA_set_method | 157 | /** Sets method to be used for the ECDSA operations |
166 | * sets method to be used for the ECDSA operations | 158 | * \param eckey EC_KEY object |
167 | * \param eckey pointer to the EC_KEY object | 159 | * \param meth new method |
168 | * \param meth pointer to the new method | 160 | * \return 1 on success and 0 otherwise |
169 | * \return 1 on success and 0 otherwise | ||
170 | */ | 161 | */ |
171 | int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth); | 162 | int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth); |
172 | 163 | ||
173 | /** ECDSA_size | 164 | /** Returns the maximum length of the DER encoded signature |
174 | * returns the maximum length of the DER encoded signature | 165 | * \param eckey EC_KEY object |
175 | * \param eckey pointer to a EC_KEY object | 166 | * \return numbers of bytes required for the DER encoded signature |
176 | * \return numbers of bytes required for the DER encoded signature | ||
177 | */ | 167 | */ |
178 | int ECDSA_size(const EC_KEY *eckey); | 168 | int ECDSA_size(const EC_KEY *eckey); |
179 | 169 | ||
180 | /** ECDSA_sign_setup | 170 | /** Precompute parts of the signing operation |
181 | * precompute parts of the signing operation. | 171 | * \param eckey EC_KEY object containing a private EC key |
182 | * \param eckey pointer to the EC_KEY object containing a private EC key | 172 | * \param ctx BN_CTX object (optional) |
183 | * \param ctx pointer to a BN_CTX object (may be NULL) | 173 | * \param kinv BIGNUM pointer for the inverse of k |
184 | * \param kinv pointer to a BIGNUM pointer for the inverse of k | 174 | * \param rp BIGNUM pointer for x coordinate of k * generator |
185 | * \param rp pointer to a BIGNUM pointer for x coordinate of k * generator | 175 | * \return 1 on success and 0 otherwise |
186 | * \return 1 on success and 0 otherwise | ||
187 | */ | 176 | */ |
188 | int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, | 177 | int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, |
189 | BIGNUM **rp); | 178 | BIGNUM **rp); |
190 | 179 | ||
191 | /** ECDSA_sign | 180 | /** Computes ECDSA signature of a given hash value using the supplied |
192 | * 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). |
193 | * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). | 182 | * \param type this parameter is ignored |
194 | * \param type this parameter is ignored | 183 | * \param dgst pointer to the hash value to sign |
195 | * \param dgst pointer to the hash value to sign | 184 | * \param dgstlen length of the hash value |
196 | * \param dgstlen length of the hash value | 185 | * \param sig memory for the DER encoded created signature |
197 | * \param sig buffer to hold the DER encoded signature | 186 | * \param siglen pointer to the length of the returned signature |
198 | * \param siglen pointer to the length of the returned signature | 187 | * \param eckey EC_KEY object containing a private EC key |
199 | * \param eckey pointer to the EC_KEY object containing a private EC key | 188 | * \return 1 on success and 0 otherwise |
200 | * \return 1 on success and 0 otherwise | ||
201 | */ | 189 | */ |
202 | int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen, | 190 | int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen, |
203 | unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); | 191 | unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); |
204 | 192 | ||
205 | 193 | ||
206 | /** ECDSA_sign_ex | 194 | /** Computes ECDSA signature of a given hash value using the supplied |
207 | * 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). |
208 | * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). | 196 | * \param type this parameter is ignored |
209 | * \param type this parameter is ignored | 197 | * \param dgst pointer to the hash value to sign |
210 | * \param dgst pointer to the hash value to sign | 198 | * \param dgstlen length of the hash value |
211 | * \param dgstlen length of the hash value | 199 | * \param sig buffer to hold the DER encoded signature |
212 | * \param sig buffer to hold the DER encoded signature | 200 | * \param siglen pointer to the length of the returned signature |
213 | * \param siglen pointer to the length of the returned signature | 201 | * \param kinv BIGNUM with a pre-computed inverse k (optional) |
214 | * \param kinv optional pointer to a pre-computed inverse k | 202 | * \param rp BIGNUM with a pre-computed rp value (optioanl), |
215 | * \param rp optional pointer to the pre-computed rp value (see | 203 | * see ECDSA_sign_setup |
216 | * ECDSA_sign_setup | 204 | * \param eckey EC_KEY object containing a private EC key |
217 | * \param eckey pointer to the EC_KEY object containing a private EC key | 205 | * \return 1 on success and 0 otherwise |
218 | * \return 1 on success and 0 otherwise | ||
219 | */ | 206 | */ |
220 | int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen, | 207 | int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen, |
221 | unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv, | 208 | unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv, |
222 | const BIGNUM *rp, EC_KEY *eckey); | 209 | const BIGNUM *rp, EC_KEY *eckey); |
223 | 210 | ||
224 | /** ECDSA_verify | 211 | /** Verifies that the given signature is valid ECDSA signature |
225 | * verifies that the given signature is valid ECDSA signature | 212 | * of the supplied hash value using the specified public key. |
226 | * of the supplied hash value using the specified public key. | 213 | * \param type this parameter is ignored |
227 | * \param type this parameter is ignored | 214 | * \param dgst pointer to the hash value |
228 | * \param dgst pointer to the hash value | 215 | * \param dgstlen length of the hash value |
229 | * \param dgstlen length of the hash value | 216 | * \param sig pointer to the DER encoded signature |
230 | * \param sig pointer to the DER encoded signature | 217 | * \param siglen length of the DER encoded signature |
231 | * \param siglen length of the DER encoded signature | 218 | * \param eckey EC_KEY object containing a public EC key |
232 | * \param eckey pointer to the EC_KEY object containing a public EC key | 219 | * \return 1 if the signature is valid, 0 if the signature is invalid |
233 | * \return 1 if the signature is valid, 0 if the signature is invalid and -1 on error | 220 | * and -1 on error |
234 | */ | 221 | */ |
235 | int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen, | 222 | int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen, |
236 | const unsigned char *sig, int siglen, EC_KEY *eckey); | 223 | const unsigned char *sig, int siglen, EC_KEY *eckey); |