156083Skris/* crypto/rsa/rsa.h */ 256083Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 356083Skris * All rights reserved. 456083Skris * 556083Skris * This package is an SSL implementation written 656083Skris * by Eric Young (eay@cryptsoft.com). 756083Skris * The implementation was written so as to conform with Netscapes SSL. 8280297Sjkim * 956083Skris * This library is free for commercial and non-commercial use as long as 1056083Skris * the following conditions are aheared to. The following conditions 1156083Skris * apply to all code found in this distribution, be it the RC4, RSA, 1256083Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1356083Skris * included with this distribution is covered by the same copyright terms 1456083Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15280297Sjkim * 1656083Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1756083Skris * the code are not to be removed. 1856083Skris * If this package is used in a product, Eric Young should be given attribution 1956083Skris * as the author of the parts of the library used. 2056083Skris * This can be in the form of a textual message at program startup or 2156083Skris * in documentation (online or textual) provided with the package. 22280297Sjkim * 2356083Skris * Redistribution and use in source and binary forms, with or without 2456083Skris * modification, are permitted provided that the following conditions 2556083Skris * are met: 2656083Skris * 1. Redistributions of source code must retain the copyright 2756083Skris * notice, this list of conditions and the following disclaimer. 2856083Skris * 2. Redistributions in binary form must reproduce the above copyright 2956083Skris * notice, this list of conditions and the following disclaimer in the 3056083Skris * documentation and/or other materials provided with the distribution. 3156083Skris * 3. All advertising materials mentioning features or use of this software 3256083Skris * must display the following acknowledgement: 3356083Skris * "This product includes cryptographic software written by 3456083Skris * Eric Young (eay@cryptsoft.com)" 3556083Skris * The word 'cryptographic' can be left out if the rouines from the library 3656083Skris * being used are not cryptographic related :-). 37280297Sjkim * 4. If you include any Windows specific code (or a derivative thereof) from 3856083Skris * the apps directory (application code) you must include an acknowledgement: 3956083Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40280297Sjkim * 4156083Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4256083Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4356083Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4456083Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4556083Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4656083Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4756083Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4856083Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4956083Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5056083Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5156083Skris * SUCH DAMAGE. 52280297Sjkim * 5356083Skris * The licence and distribution terms for any publically available version or 5456083Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5556083Skris * copied and put under another distribution licence 5656083Skris * [including the GNU Public Licence.] 5756083Skris */ 5856083Skris 5956083Skris#ifndef HEADER_RSA_H 60280297Sjkim# define HEADER_RSA_H 6156083Skris 62280297Sjkim# include <openssl/asn1.h> 63110007Smarkm 64280297Sjkim# ifndef OPENSSL_NO_BIO 65280297Sjkim# include <openssl/bio.h> 66280297Sjkim# endif 67280297Sjkim# include <openssl/crypto.h> 68280297Sjkim# include <openssl/ossl_typ.h> 69280297Sjkim# ifndef OPENSSL_NO_DEPRECATED 70280297Sjkim# include <openssl/bn.h> 71280297Sjkim# endif 7256083Skris 73280297Sjkim# ifdef OPENSSL_NO_RSA 74280297Sjkim# error RSA is disabled. 75280297Sjkim# endif 7656083Skris 7768654Skris#ifdef __cplusplus 7868654Skrisextern "C" { 7968654Skris#endif 8068654Skris 81160817Ssimon/* Declared already in ossl_typ.h */ 82160817Ssimon/* typedef struct rsa_st RSA; */ 83160817Ssimon/* typedef struct rsa_meth_st RSA_METHOD; */ 8456083Skris 85280297Sjkimstruct rsa_meth_st { 86280297Sjkim const char *name; 87280297Sjkim int (*rsa_pub_enc) (int flen, const unsigned char *from, 88280297Sjkim unsigned char *to, RSA *rsa, int padding); 89280297Sjkim int (*rsa_pub_dec) (int flen, const unsigned char *from, 90280297Sjkim unsigned char *to, RSA *rsa, int padding); 91280297Sjkim int (*rsa_priv_enc) (int flen, const unsigned char *from, 92280297Sjkim unsigned char *to, RSA *rsa, int padding); 93280297Sjkim int (*rsa_priv_dec) (int flen, const unsigned char *from, 94280297Sjkim unsigned char *to, RSA *rsa, int padding); 95280297Sjkim /* Can be null */ 96280297Sjkim int (*rsa_mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx); 97280297Sjkim /* Can be null */ 98280297Sjkim int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 99280297Sjkim const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); 100280297Sjkim /* called at new */ 101280297Sjkim int (*init) (RSA *rsa); 102280297Sjkim /* called at free */ 103280297Sjkim int (*finish) (RSA *rsa); 104280297Sjkim /* RSA_METHOD_FLAG_* things */ 105280297Sjkim int flags; 106280297Sjkim /* may be needed! */ 107280297Sjkim char *app_data; 108280297Sjkim /* 109280297Sjkim * New sign and verify functions: some libraries don't allow arbitrary 110280297Sjkim * data to be signed/verified: this allows them to be used. Note: for 111280297Sjkim * this to work the RSA_public_decrypt() and RSA_private_encrypt() should 112280297Sjkim * *NOT* be used RSA_sign(), RSA_verify() should be used instead. Note: 113280297Sjkim * for backwards compatibility this functionality is only enabled if the 114280297Sjkim * RSA_FLAG_SIGN_VER option is set in 'flags'. 115280297Sjkim */ 116280297Sjkim int (*rsa_sign) (int type, 117280297Sjkim const unsigned char *m, unsigned int m_length, 118280297Sjkim unsigned char *sigret, unsigned int *siglen, 119280297Sjkim const RSA *rsa); 120280297Sjkim int (*rsa_verify) (int dtype, const unsigned char *m, 121280297Sjkim unsigned int m_length, const unsigned char *sigbuf, 122280297Sjkim unsigned int siglen, const RSA *rsa); 123280297Sjkim /* 124280297Sjkim * If this callback is NULL, the builtin software RSA key-gen will be 125280297Sjkim * used. This is for behavioural compatibility whilst the code gets 126280297Sjkim * rewired, but one day it would be nice to assume there are no such 127280297Sjkim * things as "builtin software" implementations. 128280297Sjkim */ 129280297Sjkim int (*rsa_keygen) (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 130280297Sjkim}; 131100931Snectar 132280297Sjkimstruct rsa_st { 133280297Sjkim /* 134280297Sjkim * The first parameter is used to pickup errors where this is passed 135280297Sjkim * instead of aEVP_PKEY, it is set to 0 136280297Sjkim */ 137280297Sjkim int pad; 138280297Sjkim long version; 139280297Sjkim const RSA_METHOD *meth; 140280297Sjkim /* functional reference if 'meth' is ENGINE-provided */ 141280297Sjkim ENGINE *engine; 142280297Sjkim BIGNUM *n; 143280297Sjkim BIGNUM *e; 144280297Sjkim BIGNUM *d; 145280297Sjkim BIGNUM *p; 146280297Sjkim BIGNUM *q; 147280297Sjkim BIGNUM *dmp1; 148280297Sjkim BIGNUM *dmq1; 149280297Sjkim BIGNUM *iqmp; 150280297Sjkim /* be careful using this if the RSA structure is shared */ 151280297Sjkim CRYPTO_EX_DATA ex_data; 152280297Sjkim int references; 153280297Sjkim int flags; 154280297Sjkim /* Used to cache montgomery values */ 155280297Sjkim BN_MONT_CTX *_method_mod_n; 156280297Sjkim BN_MONT_CTX *_method_mod_p; 157280297Sjkim BN_MONT_CTX *_method_mod_q; 158280297Sjkim /* 159280297Sjkim * all BIGNUM values are actually in the following data, if it is not 160280297Sjkim * NULL 161280297Sjkim */ 162280297Sjkim char *bignum_data; 163280297Sjkim BN_BLINDING *blinding; 164280297Sjkim BN_BLINDING *mt_blinding; 165280297Sjkim}; 16656083Skris 167280297Sjkim# ifndef OPENSSL_RSA_MAX_MODULUS_BITS 168280297Sjkim# define OPENSSL_RSA_MAX_MODULUS_BITS 16384 169280297Sjkim# endif 17056083Skris 171280297Sjkim# ifndef OPENSSL_RSA_SMALL_MODULUS_BITS 172280297Sjkim# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072 173280297Sjkim# endif 174280297Sjkim# ifndef OPENSSL_RSA_MAX_PUBEXP_BITS 17556083Skris 176280297Sjkim/* exponent limit enforced for "large" modulus only */ 177280297Sjkim# define OPENSSL_RSA_MAX_PUBEXP_BITS 64 178280297Sjkim# endif 179162914Ssimon 180280297Sjkim# define RSA_3 0x3L 181280297Sjkim# define RSA_F4 0x10001L 182162914Ssimon 183280297Sjkim# define RSA_METHOD_FLAG_NO_CHECK 0x0001/* don't check pub/private 184280297Sjkim * match */ 18556083Skris 186280297Sjkim# define RSA_FLAG_CACHE_PUBLIC 0x0002 187280297Sjkim# define RSA_FLAG_CACHE_PRIVATE 0x0004 188280297Sjkim# define RSA_FLAG_BLINDING 0x0008 189280297Sjkim# define RSA_FLAG_THREAD_SAFE 0x0010 190280297Sjkim/* 191280297Sjkim * This flag means the private key operations will be handled by rsa_mod_exp 19256083Skris * and that they do not depend on the private key components being present: 193280297Sjkim * for example a key stored in external hardware. Without this flag 194280297Sjkim * bn_mod_exp gets called when private key components are absent. 19556083Skris */ 196280297Sjkim# define RSA_FLAG_EXT_PKEY 0x0020 19756083Skris 198280297Sjkim/* 199280297Sjkim * This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify 200280297Sjkim * functions. 20159194Skris */ 202280297Sjkim# define RSA_FLAG_SIGN_VER 0x0040 20359194Skris 204280297Sjkim/* 205280297Sjkim * new with 0.9.6j and 0.9.7b; the built-in 206280297Sjkim * RSA implementation now uses blinding by 207280297Sjkim * default (ignoring RSA_FLAG_BLINDING), 208280297Sjkim * but other engines might not need it 209280297Sjkim */ 210280297Sjkim# define RSA_FLAG_NO_BLINDING 0x0080 211280297Sjkim/* 212280297Sjkim * new with 0.9.8f; the built-in RSA 213280297Sjkim * implementation now uses constant time 214280297Sjkim * operations by default in private key operations, 215280297Sjkim * e.g., constant time modular exponentiation, 216280297Sjkim * modular inverse without leaking branches, 217280297Sjkim * division without leaking branches. This 218280297Sjkim * flag disables these constant time 219280297Sjkim * operations and results in faster RSA 220280297Sjkim * private key operations. 221280297Sjkim */ 222280297Sjkim# define RSA_FLAG_NO_CONSTTIME 0x0100 223280297Sjkim# ifdef OPENSSL_USE_DEPRECATED 224280297Sjkim/* deprecated name for the flag*/ 225280297Sjkim/* 226280297Sjkim * new with 0.9.7h; the built-in RSA 227280297Sjkim * implementation now uses constant time 228280297Sjkim * modular exponentiation for secret exponents 229280297Sjkim * by default. This flag causes the 230280297Sjkim * faster variable sliding window method to 231280297Sjkim * be used for all exponents. 232280297Sjkim */ 233280297Sjkim# define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME 234280297Sjkim# endif 235120635Snectar 236280297Sjkim# define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \ 237280297Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \ 238280297Sjkim pad, NULL) 239194206Ssimon 240280297Sjkim# define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \ 241280297Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \ 242280297Sjkim EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad) 243238405Sjkim 244280297Sjkim# define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \ 245280297Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \ 246280297Sjkim (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 247280297Sjkim EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \ 248280297Sjkim len, NULL) 249238405Sjkim 250280297Sjkim# define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \ 251280297Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \ 252280297Sjkim (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 253280297Sjkim EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \ 254280297Sjkim 0, plen) 255238405Sjkim 256280297Sjkim# define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \ 257280297Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \ 258280297Sjkim EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL) 259238405Sjkim 260280297Sjkim# define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \ 261280297Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \ 262280297Sjkim EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp) 263238405Sjkim 264280297Sjkim# define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \ 265290207Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \ 266290207Sjkim EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 267280297Sjkim EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md) 268238405Sjkim 269290207Sjkim# define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \ 270290207Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 271290207Sjkim EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md) 272290207Sjkim 273280297Sjkim# define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \ 274290207Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \ 275290207Sjkim EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 276280297Sjkim EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd) 277238405Sjkim 278290207Sjkim# define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \ 279290207Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 280290207Sjkim EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)pmd) 281290207Sjkim 282290207Sjkim# define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \ 283290207Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 284290207Sjkim EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)l) 285290207Sjkim 286290207Sjkim# define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \ 287290207Sjkim EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 288290207Sjkim EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)l) 289290207Sjkim 290280297Sjkim# define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1) 291280297Sjkim# define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2) 292238405Sjkim 293280297Sjkim# define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3) 294280297Sjkim# define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4) 295280297Sjkim# define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5) 296238405Sjkim 297280297Sjkim# define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6) 298280297Sjkim# define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7) 299280297Sjkim# define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8) 300238405Sjkim 301290207Sjkim# define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9) 302290207Sjkim# define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10) 303290207Sjkim 304290207Sjkim# define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11) 305290207Sjkim# define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12) 306290207Sjkim 307280297Sjkim# define RSA_PKCS1_PADDING 1 308280297Sjkim# define RSA_SSLV23_PADDING 2 309280297Sjkim# define RSA_NO_PADDING 3 310280297Sjkim# define RSA_PKCS1_OAEP_PADDING 4 311280297Sjkim# define RSA_X931_PADDING 5 312238405Sjkim/* EVP_PKEY_ only */ 313280297Sjkim# define RSA_PKCS1_PSS_PADDING 6 31456083Skris 315280297Sjkim# define RSA_PKCS1_PADDING_SIZE 11 316110007Smarkm 317280297Sjkim# define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg) 318280297Sjkim# define RSA_get_app_data(s) RSA_get_ex_data(s,0) 31956083Skris 320280297SjkimRSA *RSA_new(void); 321280297SjkimRSA *RSA_new_method(ENGINE *engine); 322280297Sjkimint RSA_size(const RSA *rsa); 323160817Ssimon 324160817Ssimon/* Deprecated version */ 325280297Sjkim# ifndef OPENSSL_NO_DEPRECATED 326280297SjkimRSA *RSA_generate_key(int bits, unsigned long e, void 327280297Sjkim (*callback) (int, int, void *), void *cb_arg); 328280297Sjkim# endif /* !defined(OPENSSL_NO_DEPRECATED) */ 329160817Ssimon 330160817Ssimon/* New version */ 331280297Sjkimint RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 332160817Ssimon 333280297Sjkimint RSA_check_key(const RSA *); 334280297Sjkim /* next 4 return -1 on error */ 335280297Sjkimint RSA_public_encrypt(int flen, const unsigned char *from, 336280297Sjkim unsigned char *to, RSA *rsa, int padding); 337280297Sjkimint RSA_private_encrypt(int flen, const unsigned char *from, 338280297Sjkim unsigned char *to, RSA *rsa, int padding); 339280297Sjkimint RSA_public_decrypt(int flen, const unsigned char *from, 340280297Sjkim unsigned char *to, RSA *rsa, int padding); 341280297Sjkimint RSA_private_decrypt(int flen, const unsigned char *from, 342280297Sjkim unsigned char *to, RSA *rsa, int padding); 343280297Sjkimvoid RSA_free(RSA *r); 344110007Smarkm/* "up" the RSA object's reference count */ 345280297Sjkimint RSA_up_ref(RSA *r); 34656083Skris 347280297Sjkimint RSA_flags(const RSA *r); 34856083Skris 349110007Smarkmvoid RSA_set_default_method(const RSA_METHOD *meth); 350110007Smarkmconst RSA_METHOD *RSA_get_default_method(void); 351110007Smarkmconst RSA_METHOD *RSA_get_method(const RSA *rsa); 352110007Smarkmint RSA_set_method(RSA *rsa, const RSA_METHOD *meth); 35356083Skris 35456083Skris/* This function needs the memory locking malloc callbacks to be installed */ 35556083Skrisint RSA_memory_lock(RSA *r); 35656083Skris 35756083Skris/* these are the actual SSLeay RSA functions */ 358110007Smarkmconst RSA_METHOD *RSA_PKCS1_SSLeay(void); 35956083Skris 360110007Smarkmconst RSA_METHOD *RSA_null_method(void); 36159194Skris 362110007SmarkmDECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey) 363110007SmarkmDECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey) 364110007Smarkm 365280297Sjkimtypedef struct rsa_pss_params_st { 366280297Sjkim X509_ALGOR *hashAlgorithm; 367280297Sjkim X509_ALGOR *maskGenAlgorithm; 368280297Sjkim ASN1_INTEGER *saltLength; 369280297Sjkim ASN1_INTEGER *trailerField; 370280297Sjkim} RSA_PSS_PARAMS; 371238405Sjkim 372238405SjkimDECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS) 373238405Sjkim 374290207Sjkimtypedef struct rsa_oaep_params_st { 375290207Sjkim X509_ALGOR *hashFunc; 376290207Sjkim X509_ALGOR *maskGenFunc; 377290207Sjkim X509_ALGOR *pSourceFunc; 378290207Sjkim} RSA_OAEP_PARAMS; 379290207Sjkim 380290207SjkimDECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS) 381290207Sjkim 382280297Sjkim# ifndef OPENSSL_NO_FP_API 383280297Sjkimint RSA_print_fp(FILE *fp, const RSA *r, int offset); 384280297Sjkim# endif 38556083Skris 386280297Sjkim# ifndef OPENSSL_NO_BIO 387280297Sjkimint RSA_print(BIO *bp, const RSA *r, int offset); 388280297Sjkim# endif 38956083Skris 390280297Sjkim# ifndef OPENSSL_NO_RC4 391160817Ssimonint i2d_RSA_NET(const RSA *a, unsigned char **pp, 392280297Sjkim int (*cb) (char *buf, int len, const char *prompt, 393280297Sjkim int verify), int sgckey); 394160817SsimonRSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length, 395280297Sjkim int (*cb) (char *buf, int len, const char *prompt, 396280297Sjkim int verify), int sgckey); 39768654Skris 398160817Ssimonint i2d_Netscape_RSA(const RSA *a, unsigned char **pp, 399280297Sjkim int (*cb) (char *buf, int len, const char *prompt, 400280297Sjkim int verify)); 401160817SsimonRSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length, 402280297Sjkim int (*cb) (char *buf, int len, const char *prompt, 403280297Sjkim int verify)); 404280297Sjkim# endif 40556083Skris 406280297Sjkim/* 407280297Sjkim * The following 2 functions sign and verify a X509_SIG ASN1 object inside 408280297Sjkim * PKCS#1 padded RSA encryption 409280297Sjkim */ 410110007Smarkmint RSA_sign(int type, const unsigned char *m, unsigned int m_length, 411280297Sjkim unsigned char *sigret, unsigned int *siglen, RSA *rsa); 412110007Smarkmint RSA_verify(int type, const unsigned char *m, unsigned int m_length, 413280297Sjkim const unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 41456083Skris 415280297Sjkim/* 416280297Sjkim * The following 2 function sign and verify a ASN1_OCTET_STRING object inside 417280297Sjkim * PKCS#1 padded RSA encryption 418280297Sjkim */ 419110007Smarkmint RSA_sign_ASN1_OCTET_STRING(int type, 420280297Sjkim const unsigned char *m, unsigned int m_length, 421280297Sjkim unsigned char *sigret, unsigned int *siglen, 422280297Sjkim RSA *rsa); 423280297Sjkimint RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m, 424280297Sjkim unsigned int m_length, unsigned char *sigbuf, 425280297Sjkim unsigned int siglen, RSA *rsa); 42656083Skris 42756083Skrisint RSA_blinding_on(RSA *rsa, BN_CTX *ctx); 42856083Skrisvoid RSA_blinding_off(RSA *rsa); 429160817SsimonBN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx); 43056083Skris 431280297Sjkimint RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen, 432280297Sjkim const unsigned char *f, int fl); 433280297Sjkimint RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, 434280297Sjkim const unsigned char *f, int fl, 435280297Sjkim int rsa_len); 436280297Sjkimint RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, 437280297Sjkim const unsigned char *f, int fl); 438280297Sjkimint RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, 439280297Sjkim const unsigned char *f, int fl, 440280297Sjkim int rsa_len); 441280297Sjkimint PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed, 442280297Sjkim long seedlen, const EVP_MD *dgst); 443280297Sjkimint RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen, 444280297Sjkim const unsigned char *f, int fl, 445280297Sjkim const unsigned char *p, int pl); 446280297Sjkimint RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen, 447280297Sjkim const unsigned char *f, int fl, int rsa_len, 448280297Sjkim const unsigned char *p, int pl); 449290207Sjkimint RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 450290207Sjkim const unsigned char *from, int flen, 451290207Sjkim const unsigned char *param, int plen, 452290207Sjkim const EVP_MD *md, const EVP_MD *mgf1md); 453290207Sjkimint RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 454290207Sjkim const unsigned char *from, int flen, 455290207Sjkim int num, const unsigned char *param, 456290207Sjkim int plen, const EVP_MD *md, 457290207Sjkim const EVP_MD *mgf1md); 458280297Sjkimint RSA_padding_add_SSLv23(unsigned char *to, int tlen, 459280297Sjkim const unsigned char *f, int fl); 460280297Sjkimint RSA_padding_check_SSLv23(unsigned char *to, int tlen, 461280297Sjkim const unsigned char *f, int fl, int rsa_len); 462280297Sjkimint RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f, 463280297Sjkim int fl); 464280297Sjkimint RSA_padding_check_none(unsigned char *to, int tlen, 465280297Sjkim const unsigned char *f, int fl, int rsa_len); 466280297Sjkimint RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f, 467280297Sjkim int fl); 468280297Sjkimint RSA_padding_check_X931(unsigned char *to, int tlen, 469280297Sjkim const unsigned char *f, int fl, int rsa_len); 470160817Ssimonint RSA_X931_hash_id(int nid); 47156083Skris 472160817Ssimonint RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash, 473280297Sjkim const EVP_MD *Hash, const unsigned char *EM, 474280297Sjkim int sLen); 475160817Ssimonint RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM, 476280297Sjkim const unsigned char *mHash, const EVP_MD *Hash, 477280297Sjkim int sLen); 478160817Ssimon 479238405Sjkimint RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash, 480280297Sjkim const EVP_MD *Hash, const EVP_MD *mgf1Hash, 481280297Sjkim const unsigned char *EM, int sLen); 482238405Sjkim 483238405Sjkimint RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM, 484280297Sjkim const unsigned char *mHash, 485280297Sjkim const EVP_MD *Hash, const EVP_MD *mgf1Hash, 486280297Sjkim int sLen); 487238405Sjkim 48859194Skrisint RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 489280297Sjkim CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 490280297Sjkimint RSA_set_ex_data(RSA *r, int idx, void *arg); 491110007Smarkmvoid *RSA_get_ex_data(const RSA *r, int idx); 49257971Skris 493110007SmarkmRSA *RSAPublicKey_dup(RSA *rsa); 494110007SmarkmRSA *RSAPrivateKey_dup(RSA *rsa); 495110007Smarkm 496280297Sjkim/* 497280297Sjkim * If this flag is set the RSA method is FIPS compliant and can be used in 498280297Sjkim * FIPS mode. This is set in the validated module method. If an application 499280297Sjkim * sets this flag in its own methods it is its responsibility to ensure the 500280297Sjkim * result is compliant. 501238405Sjkim */ 502238405Sjkim 503280297Sjkim# define RSA_FLAG_FIPS_METHOD 0x0400 504238405Sjkim 505280297Sjkim/* 506280297Sjkim * If this flag is set the operations normally disabled in FIPS mode are 507238405Sjkim * permitted it is then the applications responsibility to ensure that the 508238405Sjkim * usage is compliant. 509238405Sjkim */ 510238405Sjkim 511280297Sjkim# define RSA_FLAG_NON_FIPS_ALLOW 0x0400 512280297Sjkim/* 513280297Sjkim * Application has decided PRNG is good enough to generate a key: don't 514238405Sjkim * check. 515238405Sjkim */ 516280297Sjkim# define RSA_FLAG_CHECKED 0x0800 517238405Sjkim 51856083Skris/* BEGIN ERROR CODES */ 519280297Sjkim/* 520280297Sjkim * The following lines are auto generated by the script mkerr.pl. Any changes 52156083Skris * made after this point may be overwritten when the script is next run. 52256083Skris */ 52389840Skrisvoid ERR_load_RSA_strings(void); 52456083Skris 52556083Skris/* Error codes for the RSA functions. */ 52656083Skris 52756083Skris/* Function codes. */ 528280297Sjkim# define RSA_F_CHECK_PADDING_MD 140 529280297Sjkim# define RSA_F_DO_RSA_PRINT 146 530280297Sjkim# define RSA_F_INT_RSA_VERIFY 145 531280297Sjkim# define RSA_F_MEMORY_LOCK 100 532280297Sjkim# define RSA_F_OLD_RSA_PRIV_DECODE 147 533280297Sjkim# define RSA_F_PKEY_RSA_CTRL 143 534280297Sjkim# define RSA_F_PKEY_RSA_CTRL_STR 144 535280297Sjkim# define RSA_F_PKEY_RSA_SIGN 142 536280297Sjkim# define RSA_F_PKEY_RSA_VERIFY 154 537280297Sjkim# define RSA_F_PKEY_RSA_VERIFYRECOVER 141 538290207Sjkim# define RSA_F_RSA_ALGOR_TO_MD 157 539280297Sjkim# define RSA_F_RSA_BUILTIN_KEYGEN 129 540280297Sjkim# define RSA_F_RSA_CHECK_KEY 123 541290207Sjkim# define RSA_F_RSA_CMS_DECRYPT 158 542280297Sjkim# define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101 543280297Sjkim# define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102 544280297Sjkim# define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103 545280297Sjkim# define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104 546280297Sjkim# define RSA_F_RSA_GENERATE_KEY 105 547280297Sjkim# define RSA_F_RSA_GENERATE_KEY_EX 155 548280297Sjkim# define RSA_F_RSA_ITEM_VERIFY 156 549280297Sjkim# define RSA_F_RSA_MEMORY_LOCK 130 550290207Sjkim# define RSA_F_RSA_MGF1_TO_MD 159 551280297Sjkim# define RSA_F_RSA_NEW_METHOD 106 552280297Sjkim# define RSA_F_RSA_NULL 124 553280297Sjkim# define RSA_F_RSA_NULL_MOD_EXP 131 554280297Sjkim# define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132 555280297Sjkim# define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133 556280297Sjkim# define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134 557280297Sjkim# define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135 558280297Sjkim# define RSA_F_RSA_PADDING_ADD_NONE 107 559280297Sjkim# define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121 560290207Sjkim# define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP_MGF1 160 561280297Sjkim# define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125 562280297Sjkim# define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148 563280297Sjkim# define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108 564280297Sjkim# define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109 565280297Sjkim# define RSA_F_RSA_PADDING_ADD_SSLV23 110 566280297Sjkim# define RSA_F_RSA_PADDING_ADD_X931 127 567280297Sjkim# define RSA_F_RSA_PADDING_CHECK_NONE 111 568280297Sjkim# define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122 569290207Sjkim# define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1 161 570280297Sjkim# define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112 571280297Sjkim# define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113 572280297Sjkim# define RSA_F_RSA_PADDING_CHECK_SSLV23 114 573280297Sjkim# define RSA_F_RSA_PADDING_CHECK_X931 128 574280297Sjkim# define RSA_F_RSA_PRINT 115 575280297Sjkim# define RSA_F_RSA_PRINT_FP 116 576280297Sjkim# define RSA_F_RSA_PRIVATE_DECRYPT 150 577280297Sjkim# define RSA_F_RSA_PRIVATE_ENCRYPT 151 578280297Sjkim# define RSA_F_RSA_PRIV_DECODE 137 579280297Sjkim# define RSA_F_RSA_PRIV_ENCODE 138 580290207Sjkim# define RSA_F_RSA_PSS_TO_CTX 162 581280297Sjkim# define RSA_F_RSA_PUBLIC_DECRYPT 152 582280297Sjkim# define RSA_F_RSA_PUBLIC_ENCRYPT 153 583280297Sjkim# define RSA_F_RSA_PUB_DECODE 139 584280297Sjkim# define RSA_F_RSA_SETUP_BLINDING 136 585280297Sjkim# define RSA_F_RSA_SIGN 117 586280297Sjkim# define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118 587280297Sjkim# define RSA_F_RSA_VERIFY 119 588280297Sjkim# define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120 589280297Sjkim# define RSA_F_RSA_VERIFY_PKCS1_PSS 126 590280297Sjkim# define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149 59156083Skris 59256083Skris/* Reason codes. */ 593280297Sjkim# define RSA_R_ALGORITHM_MISMATCH 100 594280297Sjkim# define RSA_R_BAD_E_VALUE 101 595280297Sjkim# define RSA_R_BAD_FIXED_HEADER_DECRYPT 102 596280297Sjkim# define RSA_R_BAD_PAD_BYTE_COUNT 103 597280297Sjkim# define RSA_R_BAD_SIGNATURE 104 598280297Sjkim# define RSA_R_BLOCK_TYPE_IS_NOT_01 106 599280297Sjkim# define RSA_R_BLOCK_TYPE_IS_NOT_02 107 600280297Sjkim# define RSA_R_DATA_GREATER_THAN_MOD_LEN 108 601280297Sjkim# define RSA_R_DATA_TOO_LARGE 109 602280297Sjkim# define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110 603280297Sjkim# define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132 604280297Sjkim# define RSA_R_DATA_TOO_SMALL 111 605280297Sjkim# define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122 606290207Sjkim# define RSA_R_DIGEST_DOES_NOT_MATCH 166 607280297Sjkim# define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112 608280297Sjkim# define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124 609280297Sjkim# define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125 610280297Sjkim# define RSA_R_D_E_NOT_CONGRUENT_TO_1 123 611280297Sjkim# define RSA_R_FIRST_OCTET_INVALID 133 612280297Sjkim# define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144 613290207Sjkim# define RSA_R_INVALID_DIGEST 160 614280297Sjkim# define RSA_R_INVALID_DIGEST_LENGTH 143 615280297Sjkim# define RSA_R_INVALID_HEADER 137 616280297Sjkim# define RSA_R_INVALID_KEYBITS 145 617290207Sjkim# define RSA_R_INVALID_LABEL 161 618280297Sjkim# define RSA_R_INVALID_MESSAGE_LENGTH 131 619280297Sjkim# define RSA_R_INVALID_MGF1_MD 156 620290207Sjkim# define RSA_R_INVALID_OAEP_PARAMETERS 162 621280297Sjkim# define RSA_R_INVALID_PADDING 138 622280297Sjkim# define RSA_R_INVALID_PADDING_MODE 141 623280297Sjkim# define RSA_R_INVALID_PSS_PARAMETERS 149 624280297Sjkim# define RSA_R_INVALID_PSS_SALTLEN 146 625280297Sjkim# define RSA_R_INVALID_SALT_LENGTH 150 626280297Sjkim# define RSA_R_INVALID_TRAILER 139 627280297Sjkim# define RSA_R_INVALID_X931_DIGEST 142 628280297Sjkim# define RSA_R_IQMP_NOT_INVERSE_OF_Q 126 629280297Sjkim# define RSA_R_KEY_SIZE_TOO_SMALL 120 630280297Sjkim# define RSA_R_LAST_OCTET_INVALID 134 631280297Sjkim# define RSA_R_MODULUS_TOO_LARGE 105 632280297Sjkim# define RSA_R_NON_FIPS_RSA_METHOD 157 633280297Sjkim# define RSA_R_NO_PUBLIC_EXPONENT 140 634280297Sjkim# define RSA_R_NULL_BEFORE_BLOCK_MISSING 113 635280297Sjkim# define RSA_R_N_DOES_NOT_EQUAL_P_Q 127 636280297Sjkim# define RSA_R_OAEP_DECODING_ERROR 121 637280297Sjkim# define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158 638280297Sjkim# define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148 639280297Sjkim# define RSA_R_PADDING_CHECK_FAILED 114 640280297Sjkim# define RSA_R_PKCS_DECODING_ERROR 159 641280297Sjkim# define RSA_R_P_NOT_PRIME 128 642280297Sjkim# define RSA_R_Q_NOT_PRIME 129 643280297Sjkim# define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130 644280297Sjkim# define RSA_R_SLEN_CHECK_FAILED 136 645280297Sjkim# define RSA_R_SLEN_RECOVERY_FAILED 135 646280297Sjkim# define RSA_R_SSLV3_ROLLBACK_ATTACK 115 647280297Sjkim# define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116 648280297Sjkim# define RSA_R_UNKNOWN_ALGORITHM_TYPE 117 649290207Sjkim# define RSA_R_UNKNOWN_DIGEST 163 650280297Sjkim# define RSA_R_UNKNOWN_MASK_DIGEST 151 651280297Sjkim# define RSA_R_UNKNOWN_PADDING_TYPE 118 652280297Sjkim# define RSA_R_UNKNOWN_PSS_DIGEST 152 653290207Sjkim# define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE 164 654290207Sjkim# define RSA_R_UNSUPPORTED_LABEL_SOURCE 165 655280297Sjkim# define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153 656280297Sjkim# define RSA_R_UNSUPPORTED_MASK_PARAMETER 154 657280297Sjkim# define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155 658280297Sjkim# define RSA_R_VALUE_MISSING 147 659280297Sjkim# define RSA_R_WRONG_SIGNATURE_LENGTH 119 66056083Skris 66156083Skris#ifdef __cplusplus 66256083Skris} 66356083Skris#endif 66456083Skris#endif 665