crypto/rsa/rsa.h

   1 /* crypto/rsa/rsa.h */
   2 /* Copyright (C) 1995-1997 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 #ifdef  __cplusplus
  63 extern "C" {
  64 #endif
  65
  66 #include "bn.h"
  67
  68 typedef struct rsa_meth_st
  69         {
  70         char *name;
  71         int (*rsa_pub_enc)();
  72         int (*rsa_pub_dec)();
  73         int (*rsa_priv_enc)();
  74         int (*rsa_priv_dec)();
  75         int (*rsa_mod_exp)();
  76         int (*bn_mod_exp)();
  77         int (*init)(/* RSA * */);       /* called at new */
  78         int (*finish)(/* RSA * */);     /* called at free */
  79         } RSA_METHOD;
  80
  81 typedef struct rsa_st
  82         {
  83         /* The first parameter is used to pickup errors where
  84          * this is passed instead of aEVP_PKEY, it is set to 0 */
  85         int pad;
  86         int version;
  87         RSA_METHOD *meth;
  88         BIGNUM *n;
  89         BIGNUM *e;
  90         BIGNUM *d;
  91         BIGNUM *p;
  92         BIGNUM *q;
  93         BIGNUM *dmp1;
  94         BIGNUM *dmq1;
  95         BIGNUM *iqmp;
  96         /* be carefull using this if the RSA structure is shared */
  97         char *app_data;
  98         int references;
  99         } RSA;
 100
 101 #define RSA_3   0x3L
 102 #define RSA_F4  0x10001L
 103
 104 #define RSA_PKCS1_PADDING       11
 105 #define RSA_SSLV23_PADDING      12
 106
 107 #ifndef NOPROTO
 108 RSA *   RSA_new(void);
 109 RSA *   RSA_new_method(RSA_METHOD *method);
 110 int     RSA_size(RSA *);
 111 RSA *   RSA_generate_key(int bits, unsigned long e,void
 112                 (*callback)(int,int));
 113         /* next 4 return -1 on error */
 114 int     RSA_public_encrypt(int flen, unsigned char *from,
 115                 unsigned char *to, RSA *rsa,int padding);
 116 int     RSA_private_encrypt(int flen, unsigned char *from,
 117                 unsigned char *to, RSA *rsa,int padding);
 118 int     RSA_public_decrypt(int flen, unsigned char *from,
 119                 unsigned char *to, RSA *rsa,int padding);
 120 int     RSA_private_decrypt(int flen, unsigned char *from,
 121                 unsigned char *to, RSA *rsa,int padding);
 122 void    RSA_free (RSA *r);
 123
 124 void RSA_set_default_method(RSA_METHOD *meth);
 125
 126 /* If you have RSAref compiled in. */
 127 /* RSA_METHOD *RSA_PKCS1_RSAref(void); */
 128
 129 /* these are the actual SSLeay RSA functions */
 130 RSA_METHOD *RSA_PKCS1_SSLeay(void);
 131
 132 void    ERR_load_RSA_strings(void );
 133
 134 RSA *   d2i_RSAPublicKey(RSA **a, unsigned char **pp, long length);
 135 int     i2d_RSAPublicKey(RSA *a, unsigned char **pp);
 136 RSA *   d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length);
 137 int     i2d_RSAPrivateKey(RSA *a, unsigned char **pp);
 138 #ifndef WIN16
 139 int     RSA_print_fp(FILE *fp, RSA *r,int offset);
 140 #endif
 141
 142 #ifdef HEADER_BIO_H
 143 int     RSA_print(BIO *bp, RSA *r,int offset);
 144 #endif
 145
 146 int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)());
 147 RSA *d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)());
 148
 149 /* The following 2 functions sign and verify a X509_SIG ASN1 object
 150  * inside PKCS#1 padded RSA encryption */
 151 int RSA_sign(int type, unsigned char *m, unsigned int m_len,
 152         unsigned char *sigret, unsigned int *siglen, RSA *rsa);
 153 int RSA_verify(int type, unsigned char *m, unsigned int m_len,
 154         unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
 155
 156 /* The following 2 function sign and verify a ASN1_OCTET_STRING
 157  * object inside PKCS#1 padded RSA encryption */
 158 int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
 159         unsigned char *sigret, unsigned int *siglen, RSA *rsa);
 160 int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
 161         unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
 162
 163 #else
 164
 165 RSA *   RSA_new();
 166 RSA *   RSA_new_method();
 167 int     RSA_size();
 168 RSA *   RSA_generate_key();
 169 int     RSA_public_encrypt();
 170 int     RSA_private_encrypt();
 171 int     RSA_public_decrypt();
 172 int     RSA_private_decrypt();
 173 void    RSA_free ();
 174
 175 void RSA_set_default_method();
 176
 177 /* RSA_METHOD *RSA_PKCS1_RSAref(); */
 178 RSA_METHOD *RSA_PKCS1_SSLeay();
 179
 180 void    ERR_load_RSA_strings();
 181
 182 RSA *   d2i_RSAPublicKey();
 183 int     i2d_RSAPublicKey();
 184 RSA *   d2i_RSAPrivateKey();
 185 int     i2d_RSAPrivateKey();
 186 #ifndef WIN16
 187 int     RSA_print_fp();
 188 #endif
 189
 190 int     RSA_print();
 191
 192 int i2d_Netscape_RSA();
 193 RSA *d2i_Netscape_RSA();
 194
 195 int RSA_sign();
 196 int RSA_verify();
 197
 198 int RSA_sign_ASN1_OCTET_STRING();
 199 int RSA_verify_ASN1_OCTET_STRING();
 200
 201
 202 #endif
 203
 204 /* BEGIN ERROR CODES */
 205 /* Error codes for the RSA functions. */
 206
 207 /* Function codes. */
 208 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT                    100
 209 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT                    101
 210 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT                     102
 211 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT                     103
 212 #define RSA_F_RSA_GENERATE_KEY                           104
 213 #define RSA_F_RSA_NEW_METHOD                             105
 214 #define RSA_F_RSA_PRINT                                  106
 215 #define RSA_F_RSA_PRINT_FP                               107
 216 #define RSA_F_RSA_SIGN                                   108
 217 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING                 109
 218 #define RSA_F_RSA_VERIFY                                 110
 219 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING               111
 220
 221 /* Reason codes. */
 222 #define RSA_R_ALGORITHM_MISMATCH                         100
 223 #define RSA_R_BAD_E_VALUE                                101
 224 #define RSA_R_BAD_FIXED_HEADER_DECRYPT                   102
 225 #define RSA_R_BAD_PAD_BYTE_COUNT                         103
 226 #define RSA_R_BAD_SIGNATURE                              104
 227 #define RSA_R_BLOCK_TYPE_IS_NOT_01                       105
 228 #define RSA_R_BLOCK_TYPE_IS_NOT_02                       106
 229 #define RSA_R_DATA_GREATER_THAN_MOD_LEN                  107
 230 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE                108
 231 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY                 109
 232 #define RSA_R_NULL_BEFORE_BLOCK_MISSING                  110
 233 #define RSA_R_SSLV3_ROLLBACK_ATTACK                      111
 234 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 112
 235 #define RSA_R_UNKNOWN_ALGORITHM_TYPE                     113
 236 #define RSA_R_UNKNOWN_PADDING_TYPE                       114
 237 #define RSA_R_WRONG_SIGNATURE_LENGTH                     115
 238
 239 #ifdef  __cplusplus
 240 }
 241 #endif
 242 #endif
 243