1/* 2 * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved. 3 * 4 * The contents of this file constitute Original Code as defined in and are 5 * subject to the Apple Public Source License Version 1.2 (the 'License'). 6 * You may not use this file except in compliance with the License. Please obtain 7 * a copy of the License at http://www.apple.com/publicsource and read it before 8 * using this file. 9 * 10 * This Original Code and all software distributed under the License are 11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS 12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT 13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the 15 * specific language governing rights and limitations under the License. 16 */ 17 18 19/* crypto/rsa/rsa.h */ 20/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 21 * All rights reserved. 22 * 23 * This package is an SSL implementation written 24 * by Eric Young (eay@cryptsoft.com). 25 * The implementation was written so as to conform with Netscapes SSL. 26 * 27 * This library is free for commercial and non-commercial use as long as 28 * the following conditions are aheared to. The following conditions 29 * apply to all code found in this distribution, be it the RC4, RSA, 30 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 31 * included with this distribution is covered by the same copyright terms 32 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 33 * 34 * Copyright remains Eric Young's, and as such any Copyright notices in 35 * the code are not to be removed. 36 * If this package is used in a product, Eric Young should be given attribution 37 * as the author of the parts of the library used. 38 * This can be in the form of a textual message at program startup or 39 * in documentation (online or textual) provided with the package. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * "This product includes cryptographic software written by 52 * Eric Young (eay@cryptsoft.com)" 53 * The word 'cryptographic' can be left out if the rouines from the library 54 * being used are not cryptographic related :-). 55 * 4. If you include any Windows specific code (or a derivative thereof) from 56 * the apps directory (application code) you must include an acknowledgement: 57 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 58 * 59 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * The licence and distribution terms for any publically available version or 72 * derivative of this code cannot be changed. i.e. this code cannot simply be 73 * copied and put under another distribution licence 74 * [including the GNU Public Licence.] 75 */ 76 77#ifndef HEADER_RSA_H 78#define HEADER_RSA_H 79 80#ifdef __cplusplus 81extern "C" { 82#endif 83 84#include <openssl/bn.h> 85#include <openssl/crypto.h> 86 87#ifdef NO_RSA 88#error RSA is disabled. 89#endif 90 91typedef struct rsa_st RSA; 92 93typedef struct rsa_meth_st 94 { 95 const char *name; 96 int (*rsa_pub_enc)(int flen,unsigned char *from,unsigned char *to, 97 RSA *rsa,int padding); 98 int (*rsa_pub_dec)(int flen,unsigned char *from,unsigned char *to, 99 RSA *rsa,int padding); 100 int (*rsa_priv_enc)(int flen,unsigned char *from,unsigned char *to, 101 RSA *rsa,int padding); 102 int (*rsa_priv_dec)(int flen,unsigned char *from,unsigned char *to, 103 RSA *rsa,int padding); 104 int (*rsa_mod_exp)(BIGNUM *r0,BIGNUM *I,RSA *rsa); /* Can be null */ 105 int (*bn_mod_exp)(BIGNUM *r, BIGNUM *a, const BIGNUM *p, 106 const BIGNUM *m, BN_CTX *ctx, 107 BN_MONT_CTX *m_ctx); /* Can be null */ 108 int (*init)(RSA *rsa); /* called at new */ 109 int (*finish)(RSA *rsa); /* called at free */ 110 int flags; /* RSA_METHOD_FLAG_* things */ 111 char *app_data; /* may be needed! */ 112/* New sign and verify functions: some libraries don't allow arbitrary data 113 * to be signed/verified: this allows them to be used. Note: for this to work 114 * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used 115 * RSA_sign(), RSA_verify() should be used instead. Note: for backwards 116 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER 117 * option is set in 'flags'. 118 */ 119 int (*rsa_sign)(int type, unsigned char *m, unsigned int m_len, 120 unsigned char *sigret, unsigned int *siglen, RSA *rsa); 121 int (*rsa_verify)(int dtype, unsigned char *m, unsigned int m_len, 122 unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 123 124 } RSA_METHOD; 125 126struct BN_BLINDING_STRUCT; 127 128struct rsa_st 129 { 130 /* The first parameter is used to pickup errors where 131 * this is passed instead of aEVP_PKEY, it is set to 0 */ 132 int pad; 133 int version; 134 const RSA_METHOD *meth; 135 BIGNUM *n; 136 BIGNUM *e; 137 BIGNUM *d; 138 BIGNUM *p; 139 BIGNUM *q; 140 BIGNUM *dmp1; 141 BIGNUM *dmq1; 142 BIGNUM *iqmp; 143 /* be careful using this if the RSA structure is shared */ 144 CRYPTO_EX_DATA ex_data; 145 int references; 146 int flags; 147 148 /* Used to cache montgomery values */ 149 BN_MONT_CTX *_method_mod_n; 150 BN_MONT_CTX *_method_mod_p; 151 BN_MONT_CTX *_method_mod_q; 152 153 /* all BIGNUM values are actually in the following data, if it is not 154 * NULL */ 155 char *bignum_data; 156 int num_blinding_threads; 157 pthread_mutex_t blinding_mutex; 158 struct BN_BLINDING_STRUCT *blinding_array; 159 }; 160 161#define RSA_3 0x3L 162#define RSA_F4 0x10001L 163 164#define RSA_METHOD_FLAG_NO_CHECK 0x01 /* don't check pub/private match */ 165 166#define RSA_FLAG_CACHE_PUBLIC 0x02 167#define RSA_FLAG_CACHE_PRIVATE 0x04 168#define RSA_FLAG_BLINDING 0x08 169#define RSA_FLAG_THREAD_SAFE 0x10 170/* This flag means the private key operations will be handled by rsa_mod_exp 171 * and that they do not depend on the private key components being present: 172 * for example a key stored in external hardware. Without this flag bn_mod_exp 173 * gets called when private key components are absent. 174 */ 175#define RSA_FLAG_EXT_PKEY 0x20 176 177/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions. 178 */ 179#define RSA_FLAG_SIGN_VER 0x40 180 181#define RSA_PKCS1_PADDING 1 182#define RSA_SSLV23_PADDING 2 183#define RSA_NO_PADDING 3 184#define RSA_PKCS1_OAEP_PADDING 4 185 186#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg) 187#define RSA_get_app_data(s) RSA_get_ex_data(s,0) 188 189RSA * RSA_new(void); 190RSA * RSA_new_method(const RSA_METHOD *method); 191int RSA_size(RSA *); 192RSA * RSA_generate_key(int bits, unsigned long e,void 193 (*callback)(int,int,void *),void *cb_arg); 194int RSA_check_key(RSA *); 195 /* next 4 return -1 on error */ 196int RSA_public_encrypt(int flen, unsigned char *from, 197 unsigned char *to, RSA *rsa,int padding); 198int RSA_private_encrypt(int flen, unsigned char *from, 199 unsigned char *to, RSA *rsa,int padding); 200int RSA_public_decrypt(int flen, unsigned char *from, 201 unsigned char *to, RSA *rsa,int padding); 202int RSA_private_decrypt(int flen, unsigned char *from, 203 unsigned char *to, RSA *rsa,int padding); 204void RSA_free (RSA *r); 205 206int RSA_flags(RSA *r); 207 208void RSA_set_default_method(const RSA_METHOD *meth); 209const RSA_METHOD *RSA_get_default_method(void); 210const RSA_METHOD *RSA_get_method(RSA *rsa); 211const RSA_METHOD *RSA_set_method(RSA *rsa, const RSA_METHOD *meth); 212 213/* This function needs the memory locking malloc callbacks to be installed */ 214int RSA_memory_lock(RSA *r); 215 216/* If you have RSAref compiled in. */ 217const RSA_METHOD *RSA_PKCS1_RSAref(void); 218 219/* these are the actual SSLeay RSA functions */ 220const RSA_METHOD *RSA_PKCS1_SSLeay(void); 221 222const RSA_METHOD *RSA_null_method(void); 223 224void ERR_load_RSA_strings(void ); 225 226RSA * d2i_RSAPublicKey(RSA **a, unsigned char **pp, long length); 227int i2d_RSAPublicKey(RSA *a, unsigned char **pp); 228RSA * d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length); 229int i2d_RSAPrivateKey(RSA *a, unsigned char **pp); 230#ifndef NO_FP_API 231int RSA_print_fp(FILE *fp, RSA *r,int offset); 232#endif 233 234#ifdef HEADER_BIO_H 235int RSA_print(BIO *bp, RSA *r,int offset); 236#endif 237 238int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)()); 239RSA *d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)()); 240/* Naughty internal function required elsewhere, to handle a MS structure 241 * that is the same as the netscape one :-) */ 242RSA *d2i_Netscape_RSA_2(RSA **a, unsigned char **pp, long length, int (*cb)()); 243 244/* The following 2 functions sign and verify a X509_SIG ASN1 object 245 * inside PKCS#1 padded RSA encryption */ 246int RSA_sign(int type, unsigned char *m, unsigned int m_len, 247 unsigned char *sigret, unsigned int *siglen, RSA *rsa); 248int RSA_verify(int type, unsigned char *m, unsigned int m_len, 249 unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 250 251/* The following 2 function sign and verify a ASN1_OCTET_STRING 252 * object inside PKCS#1 padded RSA encryption */ 253int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len, 254 unsigned char *sigret, unsigned int *siglen, RSA *rsa); 255int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len, 256 unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 257 258int RSA_blinding_on(RSA *rsa, BN_CTX *ctx); 259void RSA_blinding_off(RSA *rsa); 260 261int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen, 262 unsigned char *f,int fl); 263int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen, 264 unsigned char *f,int fl,int rsa_len); 265int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen, 266 unsigned char *f,int fl); 267int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen, 268 unsigned char *f,int fl,int rsa_len); 269int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen, 270 unsigned char *f,int fl,unsigned char *p, 271 int pl); 272int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen, 273 unsigned char *f,int fl,int rsa_len, 274 unsigned char *p,int pl); 275int RSA_padding_add_SSLv23(unsigned char *to,int tlen, 276 unsigned char *f,int fl); 277int RSA_padding_check_SSLv23(unsigned char *to,int tlen, 278 unsigned char *f,int fl,int rsa_len); 279int RSA_padding_add_none(unsigned char *to,int tlen, 280 unsigned char *f,int fl); 281int RSA_padding_check_none(unsigned char *to,int tlen, 282 unsigned char *f,int fl,int rsa_len); 283 284int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 285 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 286int RSA_set_ex_data(RSA *r,int idx,void *arg); 287void *RSA_get_ex_data(RSA *r, int idx); 288 289BN_BLINDING* RSA_get_thread_blinding_ptr(RSA *r); 290void RSA_set_thread_blinding_ptr(RSA *r, BN_BLINDING* bnb); 291void RSA_free_thread_blinding_ptr(RSA* r); 292 293/* BEGIN ERROR CODES */ 294/* The following lines are auto generated by the script mkerr.pl. Any changes 295 * made after this point may be overwritten when the script is next run. 296 */ 297 298/* Error codes for the RSA functions. */ 299 300/* Function codes. */ 301#define RSA_F_MEMORY_LOCK 100 302#define RSA_F_RSA_CHECK_KEY 123 303#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101 304#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102 305#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103 306#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104 307#define RSA_F_RSA_GENERATE_KEY 105 308#define RSA_F_RSA_NEW_METHOD 106 309#define RSA_F_RSA_NULL 124 310#define RSA_F_RSA_PADDING_ADD_NONE 107 311#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121 312#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108 313#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109 314#define RSA_F_RSA_PADDING_ADD_SSLV23 110 315#define RSA_F_RSA_PADDING_CHECK_NONE 111 316#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122 317#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112 318#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113 319#define RSA_F_RSA_PADDING_CHECK_SSLV23 114 320#define RSA_F_RSA_PRINT 115 321#define RSA_F_RSA_PRINT_FP 116 322#define RSA_F_RSA_SIGN 117 323#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118 324#define RSA_F_RSA_VERIFY 119 325#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120 326 327/* Reason codes. */ 328#define RSA_R_ALGORITHM_MISMATCH 100 329#define RSA_R_BAD_E_VALUE 101 330#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102 331#define RSA_R_BAD_PAD_BYTE_COUNT 103 332#define RSA_R_BAD_SIGNATURE 104 333#define RSA_R_BLOCK_TYPE_IS_NOT_01 106 334#define RSA_R_BLOCK_TYPE_IS_NOT_02 107 335#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108 336#define RSA_R_DATA_TOO_LARGE 109 337#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110 338#define RSA_R_DATA_TOO_SMALL 111 339#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122 340#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112 341#define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124 342#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125 343#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123 344#define RSA_R_INVALID_MESSAGE_LENGTH 131 345#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126 346#define RSA_R_KEY_SIZE_TOO_SMALL 120 347#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113 348#define RSA_R_N_DOES_NOT_EQUAL_P_Q 127 349#define RSA_R_OAEP_DECODING_ERROR 121 350#define RSA_R_PADDING_CHECK_FAILED 114 351#define RSA_R_P_NOT_PRIME 128 352#define RSA_R_Q_NOT_PRIME 129 353#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130 354#define RSA_R_SSLV3_ROLLBACK_ATTACK 115 355#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116 356#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117 357#define RSA_R_UNKNOWN_PADDING_TYPE 118 358#define RSA_R_WRONG_SIGNATURE_LENGTH 119 359 360#ifdef __cplusplus 361} 362#endif 363#endif 364 365