lib/hcrypto/rsa.h

   1 /*
   2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * $Id$
  36  */
  37
  38 #ifndef _HEIM_RSA_H
  39 #define _HEIM_RSA_H 1
  40
  41 /* symbol renaming */
  42 #define RSA_null_method hc_RSA_null_method
  43 #define RSA_imath_method hc_RSA_imath_method
  44 #define RSA_gmp_method hc_RSA_gmp_method
  45 #define RSA_new hc_RSA_new
  46 #define RSA_new_method hc_RSA_new_method
  47 #define RSA_free hc_RSA_free
  48 #define RSA_up_ref hc_RSA_up_ref
  49 #define RSA_set_default_method hc_RSA_set_default_method
  50 #define RSA_get_default_method hc_RSA_get_default_method
  51 #define RSA_set_method hc_RSA_set_method
  52 #define RSA_get_method hc_RSA_get_method
  53 #define RSA_set_app_data hc_RSA_set_app_data
  54 #define RSA_get_app_data hc_RSA_get_app_data
  55 #define RSA_check_key hc_RSA_check_key
  56 #define RSA_size hc_RSA_size
  57 #define RSA_public_encrypt hc_RSA_public_encrypt
  58 #define RSA_public_decrypt hc_RSA_public_decrypt
  59 #define RSA_private_encrypt hc_RSA_private_encrypt
  60 #define RSA_private_decrypt hc_RSA_private_decrypt
  61 #define RSA_sign hc_RSA_sign
  62 #define RSA_verify hc_RSA_verify
  63 #define RSA_generate_key_ex hc_RSA_generate_key_ex
  64 #define d2i_RSAPrivateKey hc_d2i_RSAPrivateKey
  65 #define i2d_RSAPrivateKey hc_i2d_RSAPrivateKey
  66 #define i2d_RSAPublicKey hc_i2d_RSAPublicKey
  67 #define d2i_RSAPublicKey hc_d2i_RSAPublicKey
  68
  69 /*
  70  *
  71  */
  72
  73 typedef struct RSA RSA;
  74 typedef struct RSA_METHOD RSA_METHOD;
  75
  76 #include <hcrypto/bn.h>
  77 #include <hcrypto/engine.h>
  78
  79 struct RSA_METHOD {
  80     const char *name;
  81     int (*rsa_pub_enc)(int,const unsigned char *, unsigned char *, RSA *,int);
  82     int (*rsa_pub_dec)(int,const unsigned char *, unsigned char *, RSA *,int);
  83     int (*rsa_priv_enc)(int,const unsigned char *, unsigned char *, RSA *,int);
  84     int (*rsa_priv_dec)(int,const unsigned char *, unsigned char *, RSA *,int);
  85     void *rsa_mod_exp;
  86     void *bn_mod_exp;
  87     int (*init)(RSA *rsa);
  88     int (*finish)(RSA *rsa);
  89     int flags;
  90     char *app_data;
  91     int (*rsa_sign)(int, const unsigned char *, unsigned int,
  92                     unsigned char *, unsigned int *, const RSA *);
  93     int (*rsa_verify)(int, const unsigned char *, unsigned int,
  94                       unsigned char *, unsigned int, const RSA *);
  95     int (*rsa_keygen)(RSA *, int, BIGNUM *, BN_GENCB *);
  96 };
  97
  98 struct RSA {
  99     int pad;
 100     long version;
 101     const RSA_METHOD *meth;
 102     void *engine;
 103     BIGNUM *n;
 104     BIGNUM *e;
 105     BIGNUM *d;
 106     BIGNUM *p;
 107     BIGNUM *q;
 108     BIGNUM *dmp1;
 109     BIGNUM *dmq1;
 110     BIGNUM *iqmp;
 111     struct rsa_CRYPTO_EX_DATA {
 112         void *sk;
 113         int dummy;
 114     } ex_data;
 115     int references;
 116     int flags;
 117     void *_method_mod_n;
 118     void *_method_mod_p;
 119     void *_method_mod_q;
 120
 121     char *bignum_data;
 122     void *blinding;
 123     void *mt_blinding;
 124 };
 125
 126 #define RSA_FLAG_NO_BLINDING            0x0080
 127
 128 #define RSA_PKCS1_PADDING               1
 129 #define RSA_PKCS1_OAEP_PADDING          4
 130 #define RSA_PKCS1_PADDING_SIZE          11
 131
 132 /*
 133  *
 134  */
 135
 136 const RSA_METHOD *RSA_null_method(void);
 137 const RSA_METHOD *RSA_imath_method(void);
 138 const RSA_METHOD *RSA_gmp_method(void);
 139
 140 /*
 141  *
 142  */
 143
 144 RSA *   RSA_new(void);
 145 RSA *   RSA_new_method(ENGINE *);
 146 void    RSA_free(RSA *);
 147 int     RSA_up_ref(RSA *);
 148
 149 void    RSA_set_default_method(const RSA_METHOD *);
 150 const RSA_METHOD * RSA_get_default_method(void);
 151
 152 const RSA_METHOD * RSA_get_method(const RSA *);
 153 int RSA_set_method(RSA *, const RSA_METHOD *);
 154
 155 int     RSA_set_app_data(RSA *, void *arg);
 156 void *  RSA_get_app_data(RSA *);
 157
 158 int     RSA_check_key(const RSA *);
 159 int     RSA_size(const RSA *);
 160
 161 int     RSA_public_encrypt(int,const unsigned char*,unsigned char*,RSA *,int);
 162 int     RSA_private_encrypt(int,const unsigned char*,unsigned char*,RSA *,int);
 163 int     RSA_public_decrypt(int,const unsigned char*,unsigned char*,RSA *,int);
 164 int     RSA_private_decrypt(int,const unsigned char*,unsigned char*,RSA *,int);
 165
 166 int RSA_sign(int, const unsigned char *, unsigned int,
 167              unsigned char *, unsigned int *, RSA *);
 168 int RSA_verify(int, const unsigned char *, unsigned int,
 169                unsigned char *, unsigned int, RSA *);
 170
 171 int     RSA_generate_key_ex(RSA *, int, BIGNUM *, BN_GENCB *);
 172
 173 RSA *   d2i_RSAPrivateKey(RSA *, const unsigned char **, size_t);
 174 int     i2d_RSAPrivateKey(RSA *, unsigned char **);
 175
 176 int     i2d_RSAPublicKey(RSA *, unsigned char **);
 177 RSA *   d2i_RSAPublicKey(RSA *, const unsigned char **, size_t);
 178
 179 #endif /* _HEIM_RSA_H */