1 /* $OpenBSD: rsa.h,v 1.51 2019/11/04 12:30:56 jsing Exp $ */ 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 #ifndef HEADER_RSA_H 60 #define HEADER_RSA_H 61 62 #include <openssl/opensslconf.h> 63 64 #include <openssl/asn1.h> 65 66 #ifndef OPENSSL_NO_BIO 67 #include <openssl/bio.h> 68 #endif 69 #include <openssl/crypto.h> 70 #include <openssl/ossl_typ.h> 71 #ifndef OPENSSL_NO_DEPRECATED 72 #include <openssl/bn.h> 73 #endif 74 75 #ifdef OPENSSL_NO_RSA 76 #error RSA is disabled. 77 #endif 78 79 #ifdef __cplusplus 80 extern "C" { 81 #endif 82 83 /* Declared already in ossl_typ.h */ 84 /* typedef struct rsa_st RSA; */ 85 /* typedef struct rsa_meth_st RSA_METHOD; */ 86 87 typedef struct rsa_pss_params_st { 88 X509_ALGOR *hashAlgorithm; 89 X509_ALGOR *maskGenAlgorithm; 90 ASN1_INTEGER *saltLength; 91 ASN1_INTEGER *trailerField; 92 93 /* Hash algorithm decoded from maskGenAlgorithm. */ 94 X509_ALGOR *maskHash; 95 } RSA_PSS_PARAMS; 96 97 typedef struct rsa_oaep_params_st { 98 X509_ALGOR *hashFunc; 99 X509_ALGOR *maskGenFunc; 100 X509_ALGOR *pSourceFunc; 101 102 /* Hash algorithm decoded from maskGenFunc. */ 103 X509_ALGOR *maskHash; 104 } RSA_OAEP_PARAMS; 105 106 struct rsa_meth_st { 107 const char *name; 108 int (*rsa_pub_enc)(int flen, const unsigned char *from, 109 unsigned char *to, RSA *rsa, int padding); 110 int (*rsa_pub_dec)(int flen, const unsigned char *from, 111 unsigned char *to, RSA *rsa, int padding); 112 int (*rsa_priv_enc)(int flen, const unsigned char *from, 113 unsigned char *to, RSA *rsa, int padding); 114 int (*rsa_priv_dec)(int flen, const unsigned char *from, 115 unsigned char *to, RSA *rsa, int padding); 116 int (*rsa_mod_exp)(BIGNUM *r0, const BIGNUM *I, RSA *rsa, 117 BN_CTX *ctx); /* Can be null */ 118 int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 119 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); /* Can be null */ 120 int (*init)(RSA *rsa); /* called at new */ 121 int (*finish)(RSA *rsa); /* called at free */ 122 int flags; /* RSA_METHOD_FLAG_* things */ 123 char *app_data; /* may be needed! */ 124 /* New sign and verify functions: some libraries don't allow arbitrary data 125 * to be signed/verified: this allows them to be used. Note: for this to work 126 * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used 127 * RSA_sign(), RSA_verify() should be used instead. Note: for backwards 128 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER 129 * option is set in 'flags'. 130 */ 131 int (*rsa_sign)(int type, const unsigned char *m, unsigned int m_length, 132 unsigned char *sigret, unsigned int *siglen, const RSA *rsa); 133 int (*rsa_verify)(int dtype, const unsigned char *m, 134 unsigned int m_length, const unsigned char *sigbuf, 135 unsigned int siglen, const RSA *rsa); 136 /* If this callback is NULL, the builtin software RSA key-gen will be used. This 137 * is for behavioural compatibility whilst the code gets rewired, but one day 138 * it would be nice to assume there are no such things as "builtin software" 139 * implementations. */ 140 int (*rsa_keygen)(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 141 }; 142 143 struct rsa_st { 144 /* The first parameter is used to pickup errors where 145 * this is passed instead of aEVP_PKEY, it is set to 0 */ 146 int pad; 147 long version; 148 const RSA_METHOD *meth; 149 150 /* functional reference if 'meth' is ENGINE-provided */ 151 ENGINE *engine; 152 BIGNUM *n; 153 BIGNUM *e; 154 BIGNUM *d; 155 BIGNUM *p; 156 BIGNUM *q; 157 BIGNUM *dmp1; 158 BIGNUM *dmq1; 159 BIGNUM *iqmp; 160 161 /* Parameter restrictions for PSS only keys. */ 162 RSA_PSS_PARAMS *pss; 163 164 /* be careful using this if the RSA structure is shared */ 165 CRYPTO_EX_DATA ex_data; 166 int references; 167 int flags; 168 169 /* Used to cache montgomery values */ 170 BN_MONT_CTX *_method_mod_n; 171 BN_MONT_CTX *_method_mod_p; 172 BN_MONT_CTX *_method_mod_q; 173 174 /* all BIGNUM values are actually in the following data, if it is not 175 * NULL */ 176 BN_BLINDING *blinding; 177 BN_BLINDING *mt_blinding; 178 }; 179 180 #ifndef OPENSSL_RSA_MAX_MODULUS_BITS 181 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384 182 #endif 183 184 #ifndef OPENSSL_RSA_SMALL_MODULUS_BITS 185 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072 186 #endif 187 #ifndef OPENSSL_RSA_MAX_PUBEXP_BITS 188 # define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */ 189 #endif 190 191 #define RSA_3 0x3L 192 #define RSA_F4 0x10001L 193 194 /* Don't check pub/private match. */ 195 #define RSA_METHOD_FLAG_NO_CHECK 0x0001 196 197 #define RSA_FLAG_CACHE_PUBLIC 0x0002 198 #define RSA_FLAG_CACHE_PRIVATE 0x0004 199 #define RSA_FLAG_BLINDING 0x0008 200 #define RSA_FLAG_THREAD_SAFE 0x0010 201 202 /* 203 * This flag means the private key operations will be handled by rsa_mod_exp 204 * and that they do not depend on the private key components being present: 205 * for example a key stored in external hardware. Without this flag bn_mod_exp 206 * gets called when private key components are absent. 207 */ 208 #define RSA_FLAG_EXT_PKEY 0x0020 209 210 /* 211 * This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions. 212 */ 213 #define RSA_FLAG_SIGN_VER 0x0040 214 215 /* 216 * The built-in RSA implementation uses blinding by default, but other engines 217 * might not need it. 218 */ 219 #define RSA_FLAG_NO_BLINDING 0x0080 220 221 /* Salt length matches digest */ 222 #define RSA_PSS_SALTLEN_DIGEST -1 223 /* Verify only: auto detect salt length */ 224 #define RSA_PSS_SALTLEN_AUTO -2 225 /* Set salt length to maximum possible */ 226 #define RSA_PSS_SALTLEN_MAX -3 227 228 #define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \ 229 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_RSA_PADDING, pad, NULL) 230 231 #define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \ 232 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad) 233 234 #define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \ 235 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 236 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 237 238 #define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \ 239 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 240 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 241 242 #define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \ 243 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 244 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen) 245 246 #define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \ 247 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 248 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL) 249 250 #define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \ 251 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 252 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp) 253 254 #define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \ 255 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 256 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 257 258 #define EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \ 259 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 260 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 261 262 #define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \ 263 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 264 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)(md)) 265 266 #define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \ 267 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 268 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)(pmd)) 269 270 #define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \ 271 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 272 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)(pmd)) 273 274 #define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \ 275 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 276 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)(l)) 277 278 #define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \ 279 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 280 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)(l)) 281 282 #define EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \ 283 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, \ 284 EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD, 0, (void *)(md)) 285 286 #define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1) 287 #define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2) 288 289 #define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3) 290 #define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4) 291 #define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5) 292 293 #define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6) 294 #define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7) 295 #define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8) 296 297 #define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9) 298 #define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10) 299 300 #define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11) 301 #define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12) 302 303 #define RSA_PKCS1_PADDING 1 304 #define RSA_SSLV23_PADDING 2 305 #define RSA_NO_PADDING 3 306 #define RSA_PKCS1_OAEP_PADDING 4 307 #define RSA_X931_PADDING 5 308 /* EVP_PKEY_ only */ 309 #define RSA_PKCS1_PSS_PADDING 6 310 311 #define RSA_PKCS1_PADDING_SIZE 11 312 313 #define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg) 314 #define RSA_get_app_data(s) RSA_get_ex_data(s,0) 315 316 RSA *RSA_new(void); 317 RSA *RSA_new_method(ENGINE *engine); 318 int RSA_bits(const RSA *rsa); 319 int RSA_size(const RSA *rsa); 320 321 /* Deprecated version */ 322 #ifndef OPENSSL_NO_DEPRECATED 323 RSA *RSA_generate_key(int bits, unsigned long e, 324 void (*callback)(int, int, void *), void *cb_arg); 325 #endif /* !defined(OPENSSL_NO_DEPRECATED) */ 326 327 /* New version */ 328 int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 329 330 int RSA_check_key(const RSA *); 331 /* next 4 return -1 on error */ 332 int RSA_public_encrypt(int flen, const unsigned char *from, 333 unsigned char *to, RSA *rsa, int padding); 334 int RSA_private_encrypt(int flen, const unsigned char *from, 335 unsigned char *to, RSA *rsa, int padding); 336 int RSA_public_decrypt(int flen, const unsigned char *from, 337 unsigned char *to, RSA *rsa, int padding); 338 int RSA_private_decrypt(int flen, const unsigned char *from, 339 unsigned char *to, RSA *rsa, int padding); 340 void RSA_free(RSA *r); 341 /* "up" the RSA object's reference count */ 342 int RSA_up_ref(RSA *r); 343 344 int RSA_flags(const RSA *r); 345 346 void RSA_set_default_method(const RSA_METHOD *meth); 347 const RSA_METHOD *RSA_get_default_method(void); 348 const RSA_METHOD *RSA_get_method(const RSA *rsa); 349 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth); 350 351 const RSA_METHOD *RSA_PKCS1_OpenSSL(void); 352 const RSA_METHOD *RSA_PKCS1_SSLeay(void); 353 354 const RSA_METHOD *RSA_null_method(void); 355 356 int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2); 357 358 RSA *d2i_RSAPublicKey(RSA **a, const unsigned char **in, long len); 359 int i2d_RSAPublicKey(const RSA *a, unsigned char **out); 360 extern const ASN1_ITEM RSAPublicKey_it; 361 RSA *d2i_RSAPrivateKey(RSA **a, const unsigned char **in, long len); 362 int i2d_RSAPrivateKey(const RSA *a, unsigned char **out); 363 extern const ASN1_ITEM RSAPrivateKey_it; 364 365 RSA_PSS_PARAMS *RSA_PSS_PARAMS_new(void); 366 void RSA_PSS_PARAMS_free(RSA_PSS_PARAMS *a); 367 RSA_PSS_PARAMS *d2i_RSA_PSS_PARAMS(RSA_PSS_PARAMS **a, const unsigned char **in, long len); 368 int i2d_RSA_PSS_PARAMS(RSA_PSS_PARAMS *a, unsigned char **out); 369 extern const ASN1_ITEM RSA_PSS_PARAMS_it; 370 371 RSA_OAEP_PARAMS *RSA_OAEP_PARAMS_new(void); 372 void RSA_OAEP_PARAMS_free(RSA_OAEP_PARAMS *a); 373 RSA_OAEP_PARAMS *d2i_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS **a, const unsigned char **in, long len); 374 int i2d_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS *a, unsigned char **out); 375 extern const ASN1_ITEM RSA_OAEP_PARAMS_it; 376 377 int RSA_print_fp(FILE *fp, const RSA *r, int offset); 378 379 #ifndef OPENSSL_NO_BIO 380 int RSA_print(BIO *bp, const RSA *r, int offset); 381 #endif 382 383 #ifndef OPENSSL_NO_RC4 384 int i2d_RSA_NET(const RSA *a, unsigned char **pp, 385 int (*cb)(char *buf, int len, const char *prompt, int verify), int sgckey); 386 RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length, 387 int (*cb)(char *buf, int len, const char *prompt, int verify), int sgckey); 388 389 int i2d_Netscape_RSA(const RSA *a, unsigned char **pp, 390 int (*cb)(char *buf, int len, const char *prompt, int verify)); 391 RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length, 392 int (*cb)(char *buf, int len, const char *prompt, int verify)); 393 #endif 394 395 /* The following 2 functions sign and verify a X509_SIG ASN1 object 396 * inside PKCS#1 padded RSA encryption */ 397 int RSA_sign(int type, const unsigned char *m, unsigned int m_length, 398 unsigned char *sigret, unsigned int *siglen, RSA *rsa); 399 int RSA_verify(int type, const unsigned char *m, unsigned int m_length, 400 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 401 402 /* The following 2 function sign and verify a ASN1_OCTET_STRING 403 * object inside PKCS#1 padded RSA encryption */ 404 int RSA_sign_ASN1_OCTET_STRING(int type, const unsigned char *m, 405 unsigned int m_length, unsigned char *sigret, unsigned int *siglen, 406 RSA *rsa); 407 int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m, 408 unsigned int m_length, unsigned char *sigbuf, unsigned int siglen, 409 RSA *rsa); 410 411 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx); 412 void RSA_blinding_off(RSA *rsa); 413 BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx); 414 415 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen, 416 const unsigned char *f, int fl); 417 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, 418 const unsigned char *f, int fl, int rsa_len); 419 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, 420 const unsigned char *f, int fl); 421 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, 422 const unsigned char *f, int fl, int rsa_len); 423 int PKCS1_MGF1(unsigned char *mask, long len, 424 const unsigned char *seed, long seedlen, const EVP_MD *dgst); 425 int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen, 426 const unsigned char *f, int fl, 427 const unsigned char *p, int pl); 428 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen, 429 const unsigned char *f, int fl, int rsa_len, 430 const unsigned char *p, int pl); 431 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 432 const unsigned char *from, int flen, const unsigned char *param, int plen, 433 const EVP_MD *md, const EVP_MD *mgf1md); 434 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 435 const unsigned char *from, int flen, int num, const unsigned char *param, 436 int plen, const EVP_MD *md, const EVP_MD *mgf1md); 437 int RSA_padding_add_none(unsigned char *to, int tlen, 438 const unsigned char *f, int fl); 439 int RSA_padding_check_none(unsigned char *to, int tlen, 440 const unsigned char *f, int fl, int rsa_len); 441 int RSA_padding_add_X931(unsigned char *to, int tlen, 442 const unsigned char *f, int fl); 443 int RSA_padding_check_X931(unsigned char *to, int tlen, 444 const unsigned char *f, int fl, int rsa_len); 445 int RSA_X931_hash_id(int nid); 446 447 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash, 448 const EVP_MD *Hash, const unsigned char *EM, int sLen); 449 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM, 450 const unsigned char *mHash, const EVP_MD *Hash, int sLen); 451 452 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash, 453 const EVP_MD *Hash, const EVP_MD *mgf1Hash, const unsigned char *EM, 454 int sLen); 455 456 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM, 457 const unsigned char *mHash, const EVP_MD *Hash, const EVP_MD *mgf1Hash, 458 int sLen); 459 460 int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 461 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 462 int RSA_set_ex_data(RSA *r, int idx, void *arg); 463 void *RSA_get_ex_data(const RSA *r, int idx); 464 465 void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, 466 const BIGNUM **d); 467 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d); 468 void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, 469 const BIGNUM **iqmp); 470 int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp); 471 void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q); 472 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q); 473 void RSA_clear_flags(RSA *r, int flags); 474 int RSA_test_flags(const RSA *r, int flags); 475 void RSA_set_flags(RSA *r, int flags); 476 477 RSA *RSAPublicKey_dup(RSA *rsa); 478 RSA *RSAPrivateKey_dup(RSA *rsa); 479 480 /* If this flag is set the RSA method is FIPS compliant and can be used 481 * in FIPS mode. This is set in the validated module method. If an 482 * application sets this flag in its own methods it is its responsibility 483 * to ensure the result is compliant. 484 */ 485 486 #define RSA_FLAG_FIPS_METHOD 0x0400 487 488 /* If this flag is set the operations normally disabled in FIPS mode are 489 * permitted it is then the applications responsibility to ensure that the 490 * usage is compliant. 491 */ 492 493 #define RSA_FLAG_NON_FIPS_ALLOW 0x0400 494 /* Application has decided PRNG is good enough to generate a key: don't 495 * check. 496 */ 497 #define RSA_FLAG_CHECKED 0x0800 498 499 RSA_METHOD *RSA_meth_new(const char *name, int flags); 500 void RSA_meth_free(RSA_METHOD *meth); 501 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth); 502 int RSA_meth_set1_name(RSA_METHOD *meth, const char *name); 503 int RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen, 504 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 505 int RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen, 506 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 507 int (*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa); 508 int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa)); 509 int RSA_meth_set_pub_enc(RSA_METHOD *meth, int (*pub_enc)(int flen, 510 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 511 int RSA_meth_set_pub_dec(RSA_METHOD *meth, int (*pub_dec)(int flen, 512 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 513 int RSA_meth_set_mod_exp(RSA_METHOD *meth, int (*mod_exp)(BIGNUM *r0, 514 const BIGNUM *i, RSA *rsa, BN_CTX *ctx)); 515 int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth, int (*bn_mod_exp)(BIGNUM *r, 516 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 517 BN_MONT_CTX *m_ctx)); 518 int RSA_meth_set_init(RSA_METHOD *meth, int (*init)(RSA *rsa)); 519 int RSA_meth_set_keygen(RSA_METHOD *meth, int (*keygen)(RSA *rsa, int bits, 520 BIGNUM *e, BN_GENCB *cb)); 521 int RSA_meth_set_flags(RSA_METHOD *meth, int flags); 522 int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data); 523 const char *RSA_meth_get0_name(const RSA_METHOD *); 524 int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))(int flen, 525 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 526 int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))(int flen, 527 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 528 int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))(int flen, 529 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 530 int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))(int flen, 531 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 532 int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))(BIGNUM *r0, const BIGNUM *i, 533 RSA *rsa, BN_CTX *ctx); 534 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))(BIGNUM *r, 535 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 536 BN_MONT_CTX *m_ctx); 537 int (*RSA_meth_get_init(const RSA_METHOD *meth))(RSA *rsa); 538 int (*RSA_meth_get_keygen(const RSA_METHOD *meth))(RSA *rsa, int bits, BIGNUM *e, 539 BN_GENCB *cb); 540 int RSA_meth_get_flags(const RSA_METHOD *meth); 541 void *RSA_meth_get0_app_data(const RSA_METHOD *meth); 542 int (*RSA_meth_get_sign(const RSA_METHOD *meth))(int type, 543 const unsigned char *m, unsigned int m_length, 544 unsigned char *sigret, unsigned int *siglen, 545 const RSA *rsa); 546 int RSA_meth_set_sign(RSA_METHOD *rsa, int (*sign)(int type, 547 const unsigned char *m, unsigned int m_length, unsigned char *sigret, 548 unsigned int *siglen, const RSA *rsa)); 549 int (*RSA_meth_get_verify(const RSA_METHOD *meth))(int dtype, 550 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf, 551 unsigned int siglen, const RSA *rsa); 552 int RSA_meth_set_verify(RSA_METHOD *rsa, int (*verify)(int dtype, 553 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf, 554 unsigned int siglen, const RSA *rsa)); 555 556 557 /* BEGIN ERROR CODES */ 558 /* The following lines are auto generated by the script mkerr.pl. Any changes 559 * made after this point may be overwritten when the script is next run. 560 */ 561 void ERR_load_RSA_strings(void); 562 563 /* Error codes for the RSA functions. */ 564 565 /* Function codes. */ 566 #define RSA_F_CHECK_PADDING_MD 140 567 #define RSA_F_DO_RSA_PRINT 146 568 #define RSA_F_INT_RSA_VERIFY 145 569 #define RSA_F_MEMORY_LOCK 100 570 #define RSA_F_OLD_RSA_PRIV_DECODE 147 571 #define RSA_F_PKEY_RSA_CTRL 143 572 #define RSA_F_PKEY_RSA_CTRL_STR 144 573 #define RSA_F_PKEY_RSA_SIGN 142 574 #define RSA_F_PKEY_RSA_VERIFY 154 575 #define RSA_F_PKEY_RSA_VERIFYRECOVER 141 576 #define RSA_F_RSA_BUILTIN_KEYGEN 129 577 #define RSA_F_RSA_CHECK_KEY 123 578 #define RSA_F_RSA_EAY_MOD_EXP 157 579 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101 580 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102 581 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103 582 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104 583 #define RSA_F_RSA_GENERATE_KEY 105 584 #define RSA_F_RSA_GENERATE_KEY_EX 155 585 #define RSA_F_RSA_ITEM_VERIFY 156 586 #define RSA_F_RSA_MEMORY_LOCK 130 587 #define RSA_F_RSA_NEW_METHOD 106 588 #define RSA_F_RSA_NULL 124 589 #define RSA_F_RSA_NULL_MOD_EXP 131 590 #define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132 591 #define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133 592 #define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134 593 #define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135 594 #define RSA_F_RSA_PADDING_ADD_NONE 107 595 #define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121 596 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125 597 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148 598 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108 599 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109 600 #define RSA_F_RSA_PADDING_ADD_X931 127 601 #define RSA_F_RSA_PADDING_CHECK_NONE 111 602 #define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122 603 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112 604 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113 605 #define RSA_F_RSA_PADDING_CHECK_X931 128 606 #define RSA_F_RSA_PRINT 115 607 #define RSA_F_RSA_PRINT_FP 116 608 #define RSA_F_RSA_PRIVATE_DECRYPT 150 609 #define RSA_F_RSA_PRIVATE_ENCRYPT 151 610 #define RSA_F_RSA_PRIV_DECODE 137 611 #define RSA_F_RSA_PRIV_ENCODE 138 612 #define RSA_F_RSA_PUBLIC_DECRYPT 152 613 #define RSA_F_RSA_PUBLIC_ENCRYPT 153 614 #define RSA_F_RSA_PUB_DECODE 139 615 #define RSA_F_RSA_SETUP_BLINDING 136 616 #define RSA_F_RSA_SIGN 117 617 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118 618 #define RSA_F_RSA_VERIFY 119 619 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120 620 #define RSA_F_RSA_VERIFY_PKCS1_PSS 126 621 #define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149 622 623 /* Reason codes. */ 624 #define RSA_R_ALGORITHM_MISMATCH 100 625 #define RSA_R_BAD_E_VALUE 101 626 #define RSA_R_BAD_FIXED_HEADER_DECRYPT 102 627 #define RSA_R_BAD_PAD_BYTE_COUNT 103 628 #define RSA_R_BAD_SIGNATURE 104 629 #define RSA_R_BLOCK_TYPE_IS_NOT_01 106 630 #define RSA_R_BLOCK_TYPE_IS_NOT_02 107 631 #define RSA_R_DATA_GREATER_THAN_MOD_LEN 108 632 #define RSA_R_DATA_TOO_LARGE 109 633 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110 634 #define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132 635 #define RSA_R_DATA_TOO_SMALL 111 636 #define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122 637 #define RSA_R_DIGEST_DOES_NOT_MATCH 158 638 #define RSA_R_DIGEST_NOT_ALLOWED 145 639 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112 640 #define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124 641 #define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125 642 #define RSA_R_D_E_NOT_CONGRUENT_TO_1 123 643 #define RSA_R_FIRST_OCTET_INVALID 133 644 #define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144 645 #define RSA_R_INVALID_DIGEST 157 646 #define RSA_R_INVALID_DIGEST_LENGTH 143 647 #define RSA_R_INVALID_HEADER 137 648 #define RSA_R_INVALID_KEYBITS 145 649 #define RSA_R_INVALID_LABEL 160 650 #define RSA_R_INVALID_MESSAGE_LENGTH 131 651 #define RSA_R_INVALID_MGF1_MD 156 652 #define RSA_R_INVALID_OAEP_PARAMETERS 161 653 #define RSA_R_INVALID_PADDING 138 654 #define RSA_R_INVALID_PADDING_MODE 141 655 #define RSA_R_INVALID_PSS_PARAMETERS 149 656 #define RSA_R_INVALID_PSS_SALTLEN 146 657 #define RSA_R_INVALID_SALT_LENGTH 150 658 #define RSA_R_INVALID_TRAILER 139 659 #define RSA_R_INVALID_X931_DIGEST 142 660 #define RSA_R_IQMP_NOT_INVERSE_OF_Q 126 661 #define RSA_R_KEY_SIZE_TOO_SMALL 120 662 #define RSA_R_LAST_OCTET_INVALID 134 663 #define RSA_R_MODULUS_TOO_LARGE 105 664 #define RSA_R_MGF1_DIGEST_NOT_ALLOWED 152 665 #define RSA_R_NON_FIPS_RSA_METHOD 157 666 #define RSA_R_NO_PUBLIC_EXPONENT 140 667 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113 668 #define RSA_R_N_DOES_NOT_EQUAL_P_Q 127 669 #define RSA_R_OAEP_DECODING_ERROR 121 670 #define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158 671 #define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148 672 #define RSA_R_PADDING_CHECK_FAILED 114 673 #define RSA_R_PSS_SALTLEN_TOO_SMALL 164 674 #define RSA_R_P_NOT_PRIME 128 675 #define RSA_R_Q_NOT_PRIME 129 676 #define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130 677 #define RSA_R_SLEN_CHECK_FAILED 136 678 #define RSA_R_SLEN_RECOVERY_FAILED 135 679 #define RSA_R_SSLV3_ROLLBACK_ATTACK 115 680 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116 681 #define RSA_R_UNKNOWN_ALGORITHM_TYPE 117 682 #define RSA_R_UNKNOWN_DIGEST 166 683 #define RSA_R_UNKNOWN_MASK_DIGEST 151 684 #define RSA_R_UNKNOWN_PADDING_TYPE 118 685 #define RSA_R_UNKNOWN_PSS_DIGEST 152 686 #define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE 162 687 #define RSA_R_UNSUPPORTED_LABEL_SOURCE 163 688 #define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153 689 #define RSA_R_UNSUPPORTED_MASK_PARAMETER 154 690 #define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155 691 #define RSA_R_VALUE_MISSING 147 692 #define RSA_R_WRONG_SIGNATURE_LENGTH 119 693 694 #ifdef __cplusplus 695 } 696 #endif 697 #endif 698