diff options
Diffstat (limited to 'src/lib/libcrypto/ecdsa/ecdsa.h')
| -rw-r--r-- | src/lib/libcrypto/ecdsa/ecdsa.h | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/src/lib/libcrypto/ecdsa/ecdsa.h b/src/lib/libcrypto/ecdsa/ecdsa.h new file mode 100644 index 0000000000..f20c8ee738 --- /dev/null +++ b/src/lib/libcrypto/ecdsa/ecdsa.h | |||
| @@ -0,0 +1,271 @@ | |||
| 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 | ||
| 75 | extern "C" { | ||
| 76 | #endif | ||
| 77 | |||
| 78 | typedef 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 | */ | ||
| 88 | ECDSA_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 | */ | ||
| 94 | void 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 | */ | ||
| 103 | int 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 | */ | ||
| 113 | ECDSA_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 | */ | ||
| 123 | ECDSA_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 | */ | ||
| 136 | ECDSA_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 | */ | ||
| 148 | int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, | ||
| 149 | const ECDSA_SIG *sig, EC_KEY* eckey); | ||
| 150 | |||
| 151 | const 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 | */ | ||
| 157 | void 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 | */ | ||
| 163 | const 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 | */ | ||
| 171 | int 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 | */ | ||
| 178 | int 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 | */ | ||
| 188 | int 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 | */ | ||
| 202 | int 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 | */ | ||
| 220 | int 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 | */ | ||
| 235 | int 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 */ | ||
| 239 | int 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); | ||
| 241 | int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg); | ||
| 242 | void *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 | */ | ||
| 249 | void 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 | ||
