crypto/rsa/rsa.h

   1 /* crypto/rsa/rsa.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 #ifndef HEADER_RSA_H
  60 #define HEADER_RSA_H
  61
  62 #include <openssl/asn1.h>
  63
  64 #ifndef OPENSSL_NO_BIO
  65 #include <openssl/bio.h>
  66 #endif
  67 #include <openssl/crypto.h>
  68 #include <openssl/ossl_typ.h>
  69 #ifdef OPENSSL_USE_DEPRECATED
  70 #include <openssl/bn.h>
  71 #endif
  72
  73 #ifdef OPENSSL_NO_RSA
  74 #error RSA is disabled.
  75 #endif
  76
  77 #ifdef  __cplusplus
  78 extern "C" {
  79 #endif
  80
  81 /* Declared already in ossl_typ.h */
  82 /* typedef struct rsa_st RSA; */
  83 /* typedef struct rsa_meth_st RSA_METHOD; */
  84
  85 struct rsa_meth_st
  86         {
  87         const char *name;
  88         int (*rsa_pub_enc)(int flen,const unsigned char *from,
  89                            unsigned char *to,
  90                            RSA *rsa,int padding);
  91         int (*rsa_pub_dec)(int flen,const unsigned char *from,
  92                            unsigned char *to,
  93                            RSA *rsa,int padding);
  94         int (*rsa_priv_enc)(int flen,const unsigned char *from,
  95                             unsigned char *to,
  96                             RSA *rsa,int padding);
  97         int (*rsa_priv_dec)(int flen,const unsigned char *from,
  98                             unsigned char *to,
  99                             RSA *rsa,int padding);
 100         int (*rsa_mod_exp)(BIGNUM *r0,const BIGNUM *I,RSA *rsa,BN_CTX *ctx); /* Can be null */
 101         int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 102                           const BIGNUM *m, BN_CTX *ctx,
 103                           BN_MONT_CTX *m_ctx); /* Can be null */
 104         int (*init)(RSA *rsa);          /* called at new */
 105         int (*finish)(RSA *rsa);        /* called at free */
 106         int flags;                      /* RSA_METHOD_FLAG_* things */
 107         char *app_data;                 /* may be needed! */
 108 /* New sign and verify functions: some libraries don't allow arbitrary data
 109  * to be signed/verified: this allows them to be used. Note: for this to work
 110  * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
 111  * RSA_sign(), RSA_verify() should be used instead. Note: for backwards
 112  * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
 113  * option is set in 'flags'.
 114  */
 115         int (*rsa_sign)(int type,
 116                 const unsigned char *m, unsigned int m_length,
 117                 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
 118         int (*rsa_verify)(int dtype,
 119                 const unsigned char *m, unsigned int m_length,
 120                 const unsigned char *sigbuf, unsigned int siglen,
 121                                                                 const RSA *rsa);
 122 /* If this callback is NULL, the builtin software RSA key-gen will be used. This
 123  * is for behavioural compatibility whilst the code gets rewired, but one day
 124  * it would be nice to assume there are no such things as "builtin software"
 125  * implementations. */
 126         int (*rsa_keygen)(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
 127         };
 128
 129 struct rsa_st
 130         {
 131         /* The first parameter is used to pickup errors where
 132          * this is passed instead of aEVP_PKEY, it is set to 0 */
 133         int pad;
 134         long version;
 135         const RSA_METHOD *meth;
 136         /* functional reference if 'meth' is ENGINE-provided */
 137         ENGINE *engine;
 138         BIGNUM *n;
 139         BIGNUM *e;
 140         BIGNUM *d;
 141         BIGNUM *p;
 142         BIGNUM *q;
 143         BIGNUM *dmp1;
 144         BIGNUM *dmq1;
 145         BIGNUM *iqmp;
 146         /* be careful using this if the RSA structure is shared */
 147         CRYPTO_EX_DATA ex_data;
 148         int references;
 149         int flags;
 150
 151         /* Used to cache montgomery values */
 152         BN_MONT_CTX *_method_mod_n;
 153         BN_MONT_CTX *_method_mod_p;
 154         BN_MONT_CTX *_method_mod_q;
 155
 156         /* all BIGNUM values are actually in the following data, if it is not
 157          * NULL */
 158         char *bignum_data;
 159         BN_BLINDING *blinding;
 160         BN_BLINDING *mt_blinding;
 161         };
 162
 163 #ifndef OPENSSL_RSA_MAX_MODULUS_BITS
 164 # define OPENSSL_RSA_MAX_MODULUS_BITS   16384
 165 #endif
 166
 167 #define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
 168
 169 #ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
 170 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
 171 #endif
 172 #ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
 173
 174 /* exponent limit enforced for "large" modulus only */
 175 # define OPENSSL_RSA_MAX_PUBEXP_BITS    64
 176 #endif
 177
 178 #define RSA_3   0x3L
 179 #define RSA_F4  0x10001L
 180
 181 #define RSA_METHOD_FLAG_NO_CHECK        0x0001 /* don't check pub/private match */
 182
 183 #define RSA_FLAG_CACHE_PUBLIC           0x0002
 184 #define RSA_FLAG_CACHE_PRIVATE          0x0004
 185 #define RSA_FLAG_BLINDING               0x0008
 186 #define RSA_FLAG_THREAD_SAFE            0x0010
 187 /* This flag means the private key operations will be handled by rsa_mod_exp
 188  * and that they do not depend on the private key components being present:
 189  * for example a key stored in external hardware. Without this flag bn_mod_exp
 190  * gets called when private key components are absent.
 191  */
 192 #define RSA_FLAG_EXT_PKEY               0x0020
 193
 194 /* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
 195  */
 196 #define RSA_FLAG_SIGN_VER               0x0040
 197
 198 /*
 199  * new with 0.9.6j and 0.9.7b; the built-in
 200  * RSA implementation now uses blinding by
 201  * default (ignoring RSA_FLAG_BLINDING),
 202  * but other engines might not need it
 203  */
 204 #define RSA_FLAG_NO_BLINDING            0x0080
 205 /*
 206  * new with 0.9.8f; the built-in RSA
 207  * implementation now uses constant time
 208  * operations by default in private key operations,
 209  * e.g., constant time modular exponentiation,
 210  * modular inverse without leaking branches,
 211  * division without leaking branches. This
 212  * flag disables these constant time
 213  * operations and results in faster RSA
 214  * private key operations.
 215  */
 216 #define RSA_FLAG_NO_CONSTTIME           0x0100
 217 #ifdef OPENSSL_USE_DEPRECATED
 218 /* deprecated name for the flag*/
 219 /*
 220  * new with 0.9.7h; the built-in RSA
 221  * implementation now uses constant time
 222  * modular exponentiation for secret exponents
 223  * by default. This flag causes the
 224  * faster variable sliding window method to
 225  * be used for all exponents.
 226  */
 227 #define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
 228 #endif
 229
 230
 231 #define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
 232         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \
 233                                 pad, NULL)
 234
 235 #define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
 236         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \
 237                                 EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
 238
 239 #define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
 240         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
 241                                 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
 242                                 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \
 243                                 len, NULL)
 244
 245 #define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
 246         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
 247                                 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
 248                                 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \
 249                                 0, plen)
 250
 251 #define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
 252         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
 253                                 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
 254
 255 #define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
 256         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
 257                                 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
 258
 259 #define  EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md)  \
 260                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
 261                         EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
 262                                 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md)
 263
 264 #define  EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md)  \
 265                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 266                                 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md)
 267
 268 #define  EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
 269                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
 270                         EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
 271                                 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd)
 272
 273 #define  EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
 274                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 275                                 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)pmd)
 276
 277 #define  EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
 278                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 279                                 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)l)
 280
 281 #define  EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l)       \
 282                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 283                                 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)l)
 284
 285 #define EVP_PKEY_CTRL_RSA_PADDING       (EVP_PKEY_ALG_CTRL + 1)
 286 #define EVP_PKEY_CTRL_RSA_PSS_SALTLEN   (EVP_PKEY_ALG_CTRL + 2)
 287
 288 #define EVP_PKEY_CTRL_RSA_KEYGEN_BITS   (EVP_PKEY_ALG_CTRL + 3)
 289 #define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
 290 #define EVP_PKEY_CTRL_RSA_MGF1_MD       (EVP_PKEY_ALG_CTRL + 5)
 291
 292 #define EVP_PKEY_CTRL_GET_RSA_PADDING           (EVP_PKEY_ALG_CTRL + 6)
 293 #define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN       (EVP_PKEY_ALG_CTRL + 7)
 294 #define EVP_PKEY_CTRL_GET_RSA_MGF1_MD           (EVP_PKEY_ALG_CTRL + 8)
 295
 296 #define EVP_PKEY_CTRL_RSA_OAEP_MD       (EVP_PKEY_ALG_CTRL + 9)
 297 #define EVP_PKEY_CTRL_RSA_OAEP_LABEL    (EVP_PKEY_ALG_CTRL + 10)
 298
 299 #define EVP_PKEY_CTRL_GET_RSA_OAEP_MD   (EVP_PKEY_ALG_CTRL + 11)
 300 #define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
 301
 302 #define RSA_PKCS1_PADDING       1
 303 #define RSA_SSLV23_PADDING      2
 304 #define RSA_NO_PADDING          3
 305 #define RSA_PKCS1_OAEP_PADDING  4
 306 #define RSA_X931_PADDING        5
 307 /* EVP_PKEY_ only */
 308 #define RSA_PKCS1_PSS_PADDING   6
 309
 310 #define RSA_PKCS1_PADDING_SIZE  11
 311
 312 #define RSA_set_app_data(s,arg)         RSA_set_ex_data(s,0,arg)
 313 #define RSA_get_app_data(s)             RSA_get_ex_data(s,0)
 314
 315 RSA *   RSA_new(void);
 316 RSA *   RSA_new_method(ENGINE *engine);
 317 int     RSA_size(const RSA *rsa);
 318 int     RSA_security_bits(const RSA *rsa);
 319
 320 /* Deprecated version */
 321 #ifdef OPENSSL_USE_DEPRECATED
 322 DECLARE_DEPRECATED(RSA *        RSA_generate_key(int bits, unsigned long e,void
 323                 (*callback)(int,int,void *),void *cb_arg));
 324 #endif /* defined(OPENSSL_USE_DEPRECATED) */
 325
 326 /* New version */
 327 int     RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
 328
 329 int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, BIGNUM *q2,
 330                         const BIGNUM *Xp1, const BIGNUM *Xp2, const BIGNUM *Xp,
 331                         const BIGNUM *Xq1, const BIGNUM *Xq2, const BIGNUM *Xq,
 332                         const BIGNUM *e, BN_GENCB *cb);
 333 int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e, BN_GENCB *cb);
 334
 335 int     RSA_check_key(const RSA *);
 336 int     RSA_check_key_ex(const RSA *, BN_GENCB *cb);
 337         /* next 4 return -1 on error */
 338 int     RSA_public_encrypt(int flen, const unsigned char *from,
 339                 unsigned char *to, RSA *rsa,int padding);
 340 int     RSA_private_encrypt(int flen, const unsigned char *from,
 341                 unsigned char *to, RSA *rsa,int padding);
 342 int     RSA_public_decrypt(int flen, const unsigned char *from,
 343                 unsigned char *to, RSA *rsa,int padding);
 344 int     RSA_private_decrypt(int flen, const unsigned char *from,
 345                 unsigned char *to, RSA *rsa,int padding);
 346 void    RSA_free (RSA *r);
 347 /* "up" the RSA object's reference count */
 348 int     RSA_up_ref(RSA *r);
 349
 350 int     RSA_flags(const RSA *r);
 351
 352 void RSA_set_default_method(const RSA_METHOD *meth);
 353 const RSA_METHOD *RSA_get_default_method(void);
 354 const RSA_METHOD *RSA_get_method(const RSA *rsa);
 355 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
 356
 357 /* This function needs the memory locking malloc callbacks to be installed */
 358 int RSA_memory_lock(RSA *r);
 359
 360 /* these are the actual SSLeay RSA functions */
 361 const RSA_METHOD *RSA_PKCS1_SSLeay(void);
 362
 363 const RSA_METHOD *RSA_null_method(void);
 364
 365 DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
 366 DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
 367
 368 typedef struct rsa_pss_params_st
 369         {
 370         X509_ALGOR *hashAlgorithm;
 371         X509_ALGOR *maskGenAlgorithm;
 372         ASN1_INTEGER *saltLength;
 373         ASN1_INTEGER *trailerField;
 374         } RSA_PSS_PARAMS;
 375
 376 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
 377
 378 typedef struct rsa_oaep_params_st
 379         {
 380         X509_ALGOR *hashFunc;
 381         X509_ALGOR *maskGenFunc;
 382         X509_ALGOR *pSourceFunc;
 383         } RSA_OAEP_PARAMS;
 384
 385 DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
 386
 387 #ifndef OPENSSL_NO_STDIO
 388 int     RSA_print_fp(FILE *fp, const RSA *r,int offset);
 389 #endif
 390
 391 #ifndef OPENSSL_NO_BIO
 392 int     RSA_print(BIO *bp, const RSA *r,int offset);
 393 #endif
 394
 395 #ifndef OPENSSL_NO_RC4
 396 int i2d_RSA_NET(const RSA *a, unsigned char **pp,
 397                 int (*cb)(char *buf, int len, const char *prompt, int verify),
 398                 int sgckey);
 399 RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
 400                  int (*cb)(char *buf, int len, const char *prompt, int verify),
 401                  int sgckey);
 402
 403 int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
 404                      int (*cb)(char *buf, int len, const char *prompt,
 405                                int verify));
 406 RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
 407                       int (*cb)(char *buf, int len, const char *prompt,
 408                                 int verify));
 409 #endif
 410
 411 /* The following 2 functions sign and verify a X509_SIG ASN1 object
 412  * inside PKCS#1 padded RSA encryption */
 413 int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
 414         unsigned char *sigret, unsigned int *siglen, RSA *rsa);
 415 int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
 416         const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
 417
 418 /* The following 2 function sign and verify a ASN1_OCTET_STRING
 419  * object inside PKCS#1 padded RSA encryption */
 420 int RSA_sign_ASN1_OCTET_STRING(int type,
 421         const unsigned char *m, unsigned int m_length,
 422         unsigned char *sigret, unsigned int *siglen, RSA *rsa);
 423 int RSA_verify_ASN1_OCTET_STRING(int type,
 424         const unsigned char *m, unsigned int m_length,
 425         unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
 426
 427 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
 428 void RSA_blinding_off(RSA *rsa);
 429 BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
 430
 431 int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
 432         const unsigned char *f,int fl);
 433 int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
 434         const unsigned char *f,int fl,int rsa_len);
 435 int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
 436         const unsigned char *f,int fl);
 437 int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
 438         const unsigned char *f,int fl,int rsa_len);
 439 int PKCS1_MGF1(unsigned char *mask, long len,
 440         const unsigned char *seed, long seedlen, const EVP_MD *dgst);
 441 int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
 442         const unsigned char *f,int fl,
 443         const unsigned char *p,int pl);
 444 int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
 445         const unsigned char *f,int fl,int rsa_len,
 446         const unsigned char *p,int pl);
 447 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
 448         const unsigned char *from, int flen,
 449         const unsigned char *param, int plen,
 450         const EVP_MD *md, const EVP_MD *mgf1md);
 451 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
 452         const unsigned char *from, int flen, int num,
 453         const unsigned char *param, int plen,
 454         const EVP_MD *md, const EVP_MD *mgf1md);
 455 int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
 456         const unsigned char *f,int fl);
 457 int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
 458         const unsigned char *f,int fl,int rsa_len);
 459 int RSA_padding_add_none(unsigned char *to,int tlen,
 460         const unsigned char *f,int fl);
 461 int RSA_padding_check_none(unsigned char *to,int tlen,
 462         const unsigned char *f,int fl,int rsa_len);
 463 int RSA_padding_add_X931(unsigned char *to,int tlen,
 464         const unsigned char *f,int fl);
 465 int RSA_padding_check_X931(unsigned char *to,int tlen,
 466         const unsigned char *f,int fl,int rsa_len);
 467 int RSA_X931_hash_id(int nid);
 468
 469 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
 470                         const EVP_MD *Hash, const unsigned char *EM, int sLen);
 471 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
 472                         const unsigned char *mHash,
 473                         const EVP_MD *Hash, int sLen);
 474
 475 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
 476                         const EVP_MD *Hash, const EVP_MD *mgf1Hash,
 477                         const unsigned char *EM, int sLen);
 478
 479 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
 480                         const unsigned char *mHash,
 481                         const EVP_MD *Hash, const EVP_MD *mgf1Hash, int sLen);
 482
 483 int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
 484         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
 485 int RSA_set_ex_data(RSA *r,int idx,void *arg);
 486 void *RSA_get_ex_data(const RSA *r, int idx);
 487
 488 RSA *RSAPublicKey_dup(RSA *rsa);
 489 RSA *RSAPrivateKey_dup(RSA *rsa);
 490
 491 /* If this flag is set the RSA method is FIPS compliant and can be used
 492  * in FIPS mode. This is set in the validated module method. If an
 493  * application sets this flag in its own methods it is its responsibility
 494  * to ensure the result is compliant.
 495  */
 496
 497 #define RSA_FLAG_FIPS_METHOD                    0x0400
 498
 499 /* If this flag is set the operations normally disabled in FIPS mode are
 500  * permitted it is then the applications responsibility to ensure that the
 501  * usage is compliant.
 502  */
 503
 504 #define RSA_FLAG_NON_FIPS_ALLOW                 0x0400
 505 /* Application has decided PRNG is good enough to generate a key: don't
 506  * check.
 507  */
 508 #define RSA_FLAG_CHECKED                        0x0800
 509
 510 /* BEGIN ERROR CODES */
 511 /* The following lines are auto generated by the script mkerr.pl. Any changes
 512  * made after this point may be overwritten when the script is next run.
 513  */
 514 void ERR_load_RSA_strings(void);
 515
 516 /* Error codes for the RSA functions. */
 517
 518 /* Function codes. */
 519 #define RSA_F_CHECK_PADDING_MD                           140
 520 #define RSA_F_DO_RSA_PRINT                               146
 521 #define RSA_F_FIPS_RSA_SIGN_DIGEST                       149
 522 #define RSA_F_FIPS_RSA_VERIFY                            150
 523 #define RSA_F_FIPS_RSA_VERIFY_DIGEST                     151
 524 #define RSA_F_INT_RSA_VERIFY                             145
 525 #define RSA_F_MEMORY_LOCK                                100
 526 #define RSA_F_OLD_RSA_PRIV_DECODE                        147
 527 #define RSA_F_PKEY_RSA_CTRL                              143
 528 #define RSA_F_PKEY_RSA_CTRL_STR                          144
 529 #define RSA_F_PKEY_RSA_SIGN                              142
 530 #define RSA_F_PKEY_RSA_VERIFYRECOVER                     141
 531 #define RSA_F_RSA_ALGOR_TO_MD                            156
 532 #define RSA_F_RSA_BUILTIN_KEYGEN                         129
 533 #define RSA_F_RSA_CHECK_KEY                              123
 534 #define RSA_F_RSA_CHECK_KEY_EX                           160
 535 #define RSA_F_RSA_CMS_DECRYPT                            159
 536 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT                    101
 537 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT                    102
 538 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT                     103
 539 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT                     104
 540 #define RSA_F_RSA_GENERATE_KEY                           105
 541 #define RSA_F_RSA_ITEM_VERIFY                            148
 542 #define RSA_F_RSA_MEMORY_LOCK                            130
 543 #define RSA_F_RSA_MGF1_TO_MD                             157
 544 #define RSA_F_RSA_NEW_METHOD                             106
 545 #define RSA_F_RSA_NULL                                   124
 546 #define RSA_F_RSA_NULL_MOD_EXP                           131
 547 #define RSA_F_RSA_NULL_PRIVATE_DECRYPT                   132
 548 #define RSA_F_RSA_NULL_PRIVATE_ENCRYPT                   133
 549 #define RSA_F_RSA_NULL_PUBLIC_DECRYPT                    134
 550 #define RSA_F_RSA_NULL_PUBLIC_ENCRYPT                    135
 551 #define RSA_F_RSA_OAEP_TO_CTX                            158
 552 #define RSA_F_RSA_PADDING_ADD_NONE                       107
 553 #define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP                 121
 554 #define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP_MGF1            154
 555 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS                  125
 556 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1             152
 557 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1               108
 558 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2               109
 559 #define RSA_F_RSA_PADDING_ADD_SSLV23                     110
 560 #define RSA_F_RSA_PADDING_ADD_X931                       127
 561 #define RSA_F_RSA_PADDING_CHECK_NONE                     111
 562 #define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP               122
 563 #define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1          153
 564 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1             112
 565 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2             113
 566 #define RSA_F_RSA_PADDING_CHECK_SSLV23                   114
 567 #define RSA_F_RSA_PADDING_CHECK_X931                     128
 568 #define RSA_F_RSA_PRINT                                  115
 569 #define RSA_F_RSA_PRINT_FP                               116
 570 #define RSA_F_RSA_PRIV_DECODE                            137
 571 #define RSA_F_RSA_PRIV_ENCODE                            138
 572 #define RSA_F_RSA_PSS_TO_CTX                             155
 573 #define RSA_F_RSA_PUB_DECODE                             139
 574 #define RSA_F_RSA_SETUP_BLINDING                         136
 575 #define RSA_F_RSA_SIGN                                   117
 576 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING                 118
 577 #define RSA_F_RSA_VERIFY                                 119
 578 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING               120
 579 #define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1                  126
 580
 581 /* Reason codes. */
 582 #define RSA_R_ALGORITHM_MISMATCH                         100
 583 #define RSA_R_BAD_E_VALUE                                101
 584 #define RSA_R_BAD_FIXED_HEADER_DECRYPT                   102
 585 #define RSA_R_BAD_PAD_BYTE_COUNT                         103
 586 #define RSA_R_BAD_SIGNATURE                              104
 587 #define RSA_R_BLOCK_TYPE_IS_NOT_01                       106
 588 #define RSA_R_BLOCK_TYPE_IS_NOT_02                       107
 589 #define RSA_R_DATA_GREATER_THAN_MOD_LEN                  108
 590 #define RSA_R_DATA_TOO_LARGE                             109
 591 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE                110
 592 #define RSA_R_DATA_TOO_LARGE_FOR_MODULUS                 132
 593 #define RSA_R_DATA_TOO_SMALL                             111
 594 #define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE                122
 595 #define RSA_R_DIGEST_DOES_NOT_MATCH                      158
 596 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY                 112
 597 #define RSA_R_DMP1_NOT_CONGRUENT_TO_D                    124
 598 #define RSA_R_DMQ1_NOT_CONGRUENT_TO_D                    125
 599 #define RSA_R_D_E_NOT_CONGRUENT_TO_1                     123
 600 #define RSA_R_FIRST_OCTET_INVALID                        133
 601 #define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE        144
 602 #define RSA_R_INVALID_DIGEST                             157
 603 #define RSA_R_INVALID_DIGEST_LENGTH                      143
 604 #define RSA_R_INVALID_HEADER                             137
 605 #define RSA_R_INVALID_KEYBITS                            145
 606 #define RSA_R_INVALID_LABEL                              160
 607 #define RSA_R_INVALID_MESSAGE_LENGTH                     131
 608 #define RSA_R_INVALID_MGF1_MD                            156
 609 #define RSA_R_INVALID_OAEP_PARAMETERS                    161
 610 #define RSA_R_INVALID_PADDING                            138
 611 #define RSA_R_INVALID_PADDING_MODE                       141
 612 #define RSA_R_INVALID_PSS_PARAMETERS                     149
 613 #define RSA_R_INVALID_PSS_SALTLEN                        146
 614 #define RSA_R_INVALID_SALT_LENGTH                        150
 615 #define RSA_R_INVALID_TRAILER                            139
 616 #define RSA_R_INVALID_X931_DIGEST                        142
 617 #define RSA_R_IQMP_NOT_INVERSE_OF_Q                      126
 618 #define RSA_R_KEY_SIZE_TOO_SMALL                         120
 619 #define RSA_R_LAST_OCTET_INVALID                         134
 620 #define RSA_R_MODULUS_TOO_LARGE                          105
 621 #define RSA_R_NO_PUBLIC_EXPONENT                         140
 622 #define RSA_R_NULL_BEFORE_BLOCK_MISSING                  113
 623 #define RSA_R_N_DOES_NOT_EQUAL_P_Q                       127
 624 #define RSA_R_OAEP_DECODING_ERROR                        121
 625 #define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   148
 626 #define RSA_R_PADDING_CHECK_FAILED                       114
 627 #define RSA_R_PKCS_DECODING_ERROR                        159
 628 #define RSA_R_P_NOT_PRIME                                128
 629 #define RSA_R_Q_NOT_PRIME                                129
 630 #define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED               130
 631 #define RSA_R_SLEN_CHECK_FAILED                          136
 632 #define RSA_R_SLEN_RECOVERY_FAILED                       135
 633 #define RSA_R_SSLV3_ROLLBACK_ATTACK                      115
 634 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
 635 #define RSA_R_UNKNOWN_ALGORITHM_TYPE                     117
 636 #define RSA_R_UNKNOWN_DIGEST                             166
 637 #define RSA_R_UNKNOWN_MASK_DIGEST                        151
 638 #define RSA_R_UNKNOWN_PADDING_TYPE                       118
 639 #define RSA_R_UNKNOWN_PSS_DIGEST                         152
 640 #define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE                162
 641 #define RSA_R_UNSUPPORTED_LABEL_SOURCE                   163
 642 #define RSA_R_UNSUPPORTED_MASK_ALGORITHM                 153
 643 #define RSA_R_UNSUPPORTED_MASK_PARAMETER                 154
 644 #define RSA_R_UNSUPPORTED_SIGNATURE_TYPE                 155
 645 #define RSA_R_VALUE_MISSING                              147
 646 #define RSA_R_WRONG_SIGNATURE_LENGTH                     119
 647
 648 #ifdef  __cplusplus
 649 }
 650 #endif
 651 #endif