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_ltm_method hc_RSA_ltm_method 44 #define RSA_gmp_method hc_RSA_gmp_method 45 #define RSA_tfm_method hc_RSA_tfm_method 46 #define RSA_new hc_RSA_new 47 #define RSA_new_method hc_RSA_new_method 48 #define RSA_free hc_RSA_free 49 #define RSA_up_ref hc_RSA_up_ref 50 #define RSA_set_default_method hc_RSA_set_default_method 51 #define RSA_get_default_method hc_RSA_get_default_method 52 #define RSA_set_method hc_RSA_set_method 53 #define RSA_get_method hc_RSA_get_method 54 #define RSA_set_app_data hc_RSA_set_app_data 55 #define RSA_get_app_data hc_RSA_get_app_data 56 #define RSA_check_key hc_RSA_check_key 57 #define RSA_size hc_RSA_size 58 #define RSA_public_encrypt hc_RSA_public_encrypt 59 #define RSA_public_decrypt hc_RSA_public_decrypt 60 #define RSA_private_encrypt hc_RSA_private_encrypt 61 #define RSA_private_decrypt hc_RSA_private_decrypt 62 #define RSA_sign hc_RSA_sign 63 #define RSA_verify hc_RSA_verify 64 #define RSA_generate_key_ex hc_RSA_generate_key_ex 65 #define d2i_RSAPrivateKey hc_d2i_RSAPrivateKey 66 #define i2d_RSAPrivateKey hc_i2d_RSAPrivateKey 67 #define i2d_RSAPublicKey hc_i2d_RSAPublicKey 68 #define d2i_RSAPublicKey hc_d2i_RSAPublicKey 69 70 /* 71 * 72 */ 73 74 typedef struct RSA RSA; 75 typedef struct RSA_METHOD RSA_METHOD; 76 77 #include <hcrypto/bn.h> 78 #include <hcrypto/engine.h> 79 80 struct RSA_METHOD { 81 const char *name; 82 int (*rsa_pub_enc)(int,const unsigned char *, unsigned char *, RSA *,int); 83 int (*rsa_pub_dec)(int,const unsigned char *, unsigned char *, RSA *,int); 84 int (*rsa_priv_enc)(int,const unsigned char *, unsigned char *, RSA *,int); 85 int (*rsa_priv_dec)(int,const unsigned char *, unsigned char *, RSA *,int); 86 void *rsa_mod_exp; 87 void *bn_mod_exp; 88 int (*init)(RSA *rsa); 89 int (*finish)(RSA *rsa); 90 int flags; 91 char *app_data; 92 int (*rsa_sign)(int, const unsigned char *, unsigned int, 93 unsigned char *, unsigned int *, const RSA *); 94 int (*rsa_verify)(int, const unsigned char *, unsigned int, 95 unsigned char *, unsigned int, const RSA *); 96 int (*rsa_keygen)(RSA *, int, BIGNUM *, BN_GENCB *); 97 }; 98 99 struct RSA { 100 int pad; 101 long version; 102 const RSA_METHOD *meth; 103 void *engine; 104 BIGNUM *n; 105 BIGNUM *e; 106 BIGNUM *d; 107 BIGNUM *p; 108 BIGNUM *q; 109 BIGNUM *dmp1; 110 BIGNUM *dmq1; 111 BIGNUM *iqmp; 112 struct rsa_CRYPTO_EX_DATA { 113 void *sk; 114 int dummy; 115 } ex_data; 116 int references; 117 int flags; 118 void *_method_mod_n; 119 void *_method_mod_p; 120 void *_method_mod_q; 121 122 char *bignum_data; 123 void *blinding; 124 void *mt_blinding; 125 }; 126 127 #define RSA_FLAG_NO_BLINDING 0x0080 128 129 #define RSA_PKCS1_PADDING 1 130 #define RSA_PKCS1_OAEP_PADDING 4 131 #define RSA_PKCS1_PADDING_SIZE 11 132 133 /* 134 * 135 */ 136 137 const RSA_METHOD *RSA_null_method(void); 138 const RSA_METHOD *RSA_gmp_method(void); 139 const RSA_METHOD *RSA_tfm_method(void); 140 const RSA_METHOD *RSA_ltm_method(void); 141 142 /* 143 * 144 */ 145 146 RSA * RSA_new(void); 147 RSA * RSA_new_method(ENGINE *); 148 void RSA_free(RSA *); 149 int RSA_up_ref(RSA *); 150 151 void RSA_set_default_method(const RSA_METHOD *); 152 const RSA_METHOD * RSA_get_default_method(void); 153 154 const RSA_METHOD * RSA_get_method(const RSA *); 155 int RSA_set_method(RSA *, const RSA_METHOD *); 156 157 int RSA_set_app_data(RSA *, void *arg); 158 void * RSA_get_app_data(const RSA *); 159 160 int RSA_check_key(const RSA *); 161 int RSA_size(const RSA *); 162 163 int RSA_public_encrypt(int,const unsigned char*,unsigned char*,RSA *,int); 164 int RSA_private_encrypt(int,const unsigned char*,unsigned char*,RSA *,int); 165 int RSA_public_decrypt(int,const unsigned char*,unsigned char*,RSA *,int); 166 int RSA_private_decrypt(int,const unsigned char*,unsigned char*,RSA *,int); 167 168 int RSA_sign(int, const unsigned char *, unsigned int, 169 unsigned char *, unsigned int *, RSA *); 170 int RSA_verify(int, const unsigned char *, unsigned int, 171 unsigned char *, unsigned int, RSA *); 172 173 int RSA_generate_key_ex(RSA *, int, BIGNUM *, BN_GENCB *); 174 175 RSA * d2i_RSAPrivateKey(RSA *, const unsigned char **, size_t); 176 int i2d_RSAPrivateKey(RSA *, unsigned char **); 177 178 int i2d_RSAPublicKey(RSA *, unsigned char **); 179 RSA * d2i_RSAPublicKey(RSA *, const unsigned char **, size_t); 180 181 #endif /* _HEIM_RSA_H */ 182