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| 1 /* crypto/dsa/dsa.h */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 /* | |
| 60 * The DSS routines are based on patches supplied by | |
| 61 * Steven Schoch <schoch@sheba.arc.nasa.gov>. He basically did the | |
| 62 * work and I have just tweaked them a little to fit into my | |
| 63 * stylistic vision for SSLeay :-) */ | |
| 64 | |
| 65 #ifndef HEADER_DSA_H | |
| 66 #define HEADER_DSA_H | |
| 67 | |
| 68 #include <openssl/e_os2.h> | |
| 69 | |
| 70 #ifdef OPENSSL_NO_DSA | |
| 71 #error DSA is disabled. | |
| 72 #endif | |
| 73 | |
| 74 #ifndef OPENSSL_NO_BIO | |
| 75 #include <openssl/bio.h> | |
| 76 #endif | |
| 77 #include <openssl/crypto.h> | |
| 78 #include <openssl/ossl_typ.h> | |
| 79 | |
| 80 #ifndef OPENSSL_NO_DEPRECATED | |
| 81 #include <openssl/bn.h> | |
| 82 #ifndef OPENSSL_NO_DH | |
| 83 # include <openssl/dh.h> | |
| 84 #endif | |
| 85 #endif | |
| 86 | |
| 87 #ifndef OPENSSL_DSA_MAX_MODULUS_BITS | |
| 88 # define OPENSSL_DSA_MAX_MODULUS_BITS 10000 | |
| 89 #endif | |
| 90 | |
| 91 #define DSA_FLAG_CACHE_MONT_P 0x01 | |
| 92 #define DSA_FLAG_NO_EXP_CONSTTIME 0x02 /* new with 0.9.7h; the built-in DS
A | |
| 93 * implementation now uses constant
time | |
| 94 * modular exponentiation for secre
t exponents | |
| 95 * by default. This flag causes the | |
| 96 * faster variable sliding window m
ethod to | |
| 97 * be used for all exponents. | |
| 98 */ | |
| 99 | |
| 100 /* If this flag is set the DSA method is FIPS compliant and can be used | |
| 101 * in FIPS mode. This is set in the validated module method. If an | |
| 102 * application sets this flag in its own methods it is its reposibility | |
| 103 * to ensure the result is compliant. | |
| 104 */ | |
| 105 | |
| 106 #define DSA_FLAG_FIPS_METHOD 0x0400 | |
| 107 | |
| 108 /* If this flag is set the operations normally disabled in FIPS mode are | |
| 109 * permitted it is then the applications responsibility to ensure that the | |
| 110 * usage is compliant. | |
| 111 */ | |
| 112 | |
| 113 #define DSA_FLAG_NON_FIPS_ALLOW 0x0400 | |
| 114 | |
| 115 #ifdef __cplusplus | |
| 116 extern "C" { | |
| 117 #endif | |
| 118 | |
| 119 /* Already defined in ossl_typ.h */ | |
| 120 /* typedef struct dsa_st DSA; */ | |
| 121 /* typedef struct dsa_method DSA_METHOD; */ | |
| 122 | |
| 123 typedef struct DSA_SIG_st | |
| 124 { | |
| 125 BIGNUM *r; | |
| 126 BIGNUM *s; | |
| 127 } DSA_SIG; | |
| 128 | |
| 129 struct dsa_method | |
| 130 { | |
| 131 const char *name; | |
| 132 DSA_SIG * (*dsa_do_sign)(const unsigned char *dgst, int dlen, DSA *dsa); | |
| 133 int (*dsa_sign_setup)(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, | |
| 134 BIGNUM **rp); | |
| 135 int (*dsa_do_verify)(const unsigned char *dgst, int dgst_len, | |
| 136 DSA_SIG *sig, DSA *dsa); | |
| 137 int (*dsa_mod_exp)(DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1, | |
| 138 BIGNUM *a2, BIGNUM *p2, BIGNUM *m, BN_CTX *ctx, | |
| 139 BN_MONT_CTX *in_mont); | |
| 140 int (*bn_mod_exp)(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, | |
| 141 const BIGNUM *m, BN_CTX *ctx, | |
| 142 BN_MONT_CTX *m_ctx); /* Can be null */ | |
| 143 int (*init)(DSA *dsa); | |
| 144 int (*finish)(DSA *dsa); | |
| 145 int flags; | |
| 146 char *app_data; | |
| 147 /* If this is non-NULL, it is used to generate DSA parameters */ | |
| 148 int (*dsa_paramgen)(DSA *dsa, int bits, | |
| 149 const unsigned char *seed, int seed_len, | |
| 150 int *counter_ret, unsigned long *h_ret, | |
| 151 BN_GENCB *cb); | |
| 152 /* If this is non-NULL, it is used to generate DSA keys */ | |
| 153 int (*dsa_keygen)(DSA *dsa); | |
| 154 }; | |
| 155 | |
| 156 struct dsa_st | |
| 157 { | |
| 158 /* This first variable is used to pick up errors where | |
| 159 * a DSA is passed instead of of a EVP_PKEY */ | |
| 160 int pad; | |
| 161 long version; | |
| 162 int write_params; | |
| 163 BIGNUM *p; | |
| 164 BIGNUM *q; /* == 20 */ | |
| 165 BIGNUM *g; | |
| 166 | |
| 167 BIGNUM *pub_key; /* y public key */ | |
| 168 BIGNUM *priv_key; /* x private key */ | |
| 169 | |
| 170 BIGNUM *kinv; /* Signing pre-calc */ | |
| 171 BIGNUM *r; /* Signing pre-calc */ | |
| 172 | |
| 173 int flags; | |
| 174 /* Normally used to cache montgomery values */ | |
| 175 BN_MONT_CTX *method_mont_p; | |
| 176 int references; | |
| 177 CRYPTO_EX_DATA ex_data; | |
| 178 const DSA_METHOD *meth; | |
| 179 /* functional reference if 'meth' is ENGINE-provided */ | |
| 180 ENGINE *engine; | |
| 181 }; | |
| 182 | |
| 183 #define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \ | |
| 184 (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x)) | |
| 185 #define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \ | |
| 186 (unsigned char *)(x)) | |
| 187 #define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x) | |
| 188 #define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x) | |
| 189 | |
| 190 | |
| 191 DSA *DSAparams_dup(DSA *x); | |
| 192 DSA_SIG * DSA_SIG_new(void); | |
| 193 void DSA_SIG_free(DSA_SIG *a); | |
| 194 int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp); | |
| 195 DSA_SIG * d2i_DSA_SIG(DSA_SIG **v, const unsigned char **pp, long length); | |
| 196 | |
| 197 DSA_SIG * DSA_do_sign(const unsigned char *dgst,int dlen,DSA *dsa); | |
| 198 int DSA_do_verify(const unsigned char *dgst,int dgst_len, | |
| 199 DSA_SIG *sig,DSA *dsa); | |
| 200 | |
| 201 const DSA_METHOD *DSA_OpenSSL(void); | |
| 202 | |
| 203 void DSA_set_default_method(const DSA_METHOD *); | |
| 204 const DSA_METHOD *DSA_get_default_method(void); | |
| 205 int DSA_set_method(DSA *dsa, const DSA_METHOD *); | |
| 206 | |
| 207 DSA * DSA_new(void); | |
| 208 DSA * DSA_new_method(ENGINE *engine); | |
| 209 void DSA_free (DSA *r); | |
| 210 /* "up" the DSA object's reference count */ | |
| 211 int DSA_up_ref(DSA *r); | |
| 212 int DSA_size(const DSA *); | |
| 213 /* next 4 return -1 on error */ | |
| 214 int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp); | |
| 215 int DSA_sign(int type,const unsigned char *dgst,int dlen, | |
| 216 unsigned char *sig, unsigned int *siglen, DSA *dsa); | |
| 217 int DSA_verify(int type,const unsigned char *dgst,int dgst_len, | |
| 218 const unsigned char *sigbuf, int siglen, DSA *dsa); | |
| 219 int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, | |
| 220 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); | |
| 221 int DSA_set_ex_data(DSA *d, int idx, void *arg); | |
| 222 void *DSA_get_ex_data(DSA *d, int idx); | |
| 223 | |
| 224 DSA * d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length); | |
| 225 DSA * d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length); | |
| 226 DSA * d2i_DSAparams(DSA **a, const unsigned char **pp, long length); | |
| 227 | |
| 228 /* Deprecated version */ | |
| 229 #ifndef OPENSSL_NO_DEPRECATED | |
| 230 DSA * DSA_generate_parameters(int bits, | |
| 231 unsigned char *seed,int seed_len, | |
| 232 int *counter_ret, unsigned long *h_ret,void | |
| 233 (*callback)(int, int, void *),void *cb_arg); | |
| 234 #endif /* !defined(OPENSSL_NO_DEPRECATED) */ | |
| 235 | |
| 236 /* New version */ | |
| 237 int DSA_generate_parameters_ex(DSA *dsa, int bits, | |
| 238 const unsigned char *seed,int seed_len, | |
| 239 int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); | |
| 240 | |
| 241 int DSA_generate_key(DSA *a); | |
| 242 int i2d_DSAPublicKey(const DSA *a, unsigned char **pp); | |
| 243 int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp); | |
| 244 int i2d_DSAparams(const DSA *a,unsigned char **pp); | |
| 245 | |
| 246 #ifndef OPENSSL_NO_BIO | |
| 247 int DSAparams_print(BIO *bp, const DSA *x); | |
| 248 int DSA_print(BIO *bp, const DSA *x, int off); | |
| 249 #endif | |
| 250 #ifndef OPENSSL_NO_FP_API | |
| 251 int DSAparams_print_fp(FILE *fp, const DSA *x); | |
| 252 int DSA_print_fp(FILE *bp, const DSA *x, int off); | |
| 253 #endif | |
| 254 | |
| 255 #define DSS_prime_checks 50 | |
| 256 /* Primality test according to FIPS PUB 186[-1], Appendix 2.1: | |
| 257 * 50 rounds of Rabin-Miller */ | |
| 258 #define DSA_is_prime(n, callback, cb_arg) \ | |
| 259 BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg) | |
| 260 | |
| 261 #ifndef OPENSSL_NO_DH | |
| 262 /* Convert DSA structure (key or just parameters) into DH structure | |
| 263 * (be careful to avoid small subgroup attacks when using this!) */ | |
| 264 DH *DSA_dup_DH(const DSA *r); | |
| 265 #endif | |
| 266 | |
| 267 #define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \ | |
| 268 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \ | |
| 269 EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL) | |
| 270 | |
| 271 #define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1) | |
| 272 #define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2) | |
| 273 #define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3) | |
| 274 | |
| 275 /* BEGIN ERROR CODES */ | |
| 276 /* The following lines are auto generated by the script mkerr.pl. Any changes | |
| 277 * made after this point may be overwritten when the script is next run. | |
| 278 */ | |
| 279 void ERR_load_DSA_strings(void); | |
| 280 | |
| 281 /* Error codes for the DSA functions. */ | |
| 282 | |
| 283 /* Function codes. */ | |
| 284 #define DSA_F_D2I_DSA_SIG 110 | |
| 285 #define DSA_F_DO_DSA_PRINT 104 | |
| 286 #define DSA_F_DSAPARAMS_PRINT 100 | |
| 287 #define DSA_F_DSAPARAMS_PRINT_FP 101 | |
| 288 #define DSA_F_DSA_DO_SIGN 112 | |
| 289 #define DSA_F_DSA_DO_VERIFY 113 | |
| 290 #define DSA_F_DSA_GENERATE_KEY 124 | |
| 291 #define DSA_F_DSA_GENERATE_PARAMETERS_EX 123 | |
| 292 #define DSA_F_DSA_NEW_METHOD 103 | |
| 293 #define DSA_F_DSA_PARAM_DECODE 119 | |
| 294 #define DSA_F_DSA_PRINT_FP 105 | |
| 295 #define DSA_F_DSA_PRIV_DECODE 115 | |
| 296 #define DSA_F_DSA_PRIV_ENCODE 116 | |
| 297 #define DSA_F_DSA_PUB_DECODE 117 | |
| 298 #define DSA_F_DSA_PUB_ENCODE 118 | |
| 299 #define DSA_F_DSA_SIGN 106 | |
| 300 #define DSA_F_DSA_SIGN_SETUP 107 | |
| 301 #define DSA_F_DSA_SIG_NEW 109 | |
| 302 #define DSA_F_DSA_SIG_PRINT 125 | |
| 303 #define DSA_F_DSA_VERIFY 108 | |
| 304 #define DSA_F_I2D_DSA_SIG 111 | |
| 305 #define DSA_F_OLD_DSA_PRIV_DECODE 122 | |
| 306 #define DSA_F_PKEY_DSA_CTRL 120 | |
| 307 #define DSA_F_PKEY_DSA_KEYGEN 121 | |
| 308 #define DSA_F_SIG_CB 114 | |
| 309 | |
| 310 /* Reason codes. */ | |
| 311 #define DSA_R_BAD_Q_VALUE 102 | |
| 312 #define DSA_R_BN_DECODE_ERROR 108 | |
| 313 #define DSA_R_BN_ERROR 109 | |
| 314 #define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100 | |
| 315 #define DSA_R_DECODE_ERROR 104 | |
| 316 #define DSA_R_INVALID_DIGEST_TYPE 106 | |
| 317 #define DSA_R_MISSING_PARAMETERS 101 | |
| 318 #define DSA_R_MODULUS_TOO_LARGE 103 | |
| 319 #define DSA_R_NEED_NEW_SETUP_VALUES 110 | |
| 320 #define DSA_R_NON_FIPS_DSA_METHOD 111 | |
| 321 #define DSA_R_NO_PARAMETERS_SET 107 | |
| 322 #define DSA_R_PARAMETER_ENCODING_ERROR 105 | |
| 323 | |
| 324 #ifdef __cplusplus | |
| 325 } | |
| 326 #endif | |
| 327 #endif | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master