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_cdsa_method hc_RSA_cdsa_method 45#define RSA_sf_method hc_RSA_sf_method 46#define RSA_tfm_method hc_RSA_tfm_method 47#define RSA_ltm_method hc_RSA_ltm_method 48#define RSA_gmp_method hc_RSA_gmp_method 49#define RSA_tfm_method hc_RSA_tfm_method 50#define RSA_new hc_RSA_new 51#define RSA_new_method hc_RSA_new_method 52#define RSA_free hc_RSA_free 53#define RSA_up_ref hc_RSA_up_ref 54#define RSA_set_default_method hc_RSA_set_default_method 55#define RSA_get_default_method hc_RSA_get_default_method 56#define RSA_set_method hc_RSA_set_method 57#define RSA_get_method hc_RSA_get_method 58#define RSA_set_app_data hc_RSA_set_app_data 59#define RSA_get_app_data hc_RSA_get_app_data 60#define RSA_check_key hc_RSA_check_key 61#define RSA_size hc_RSA_size 62#define RSA_public_encrypt hc_RSA_public_encrypt 63#define RSA_public_decrypt hc_RSA_public_decrypt 64#define RSA_private_encrypt hc_RSA_private_encrypt 65#define RSA_private_decrypt hc_RSA_private_decrypt 66#define RSA_sign hc_RSA_sign 67#define RSA_verify hc_RSA_verify 68#define RSA_generate_key_ex hc_RSA_generate_key_ex 69#define d2i_RSAPrivateKey hc_d2i_RSAPrivateKey 70#define i2d_RSAPrivateKey hc_i2d_RSAPrivateKey 71#define i2d_RSAPublicKey hc_i2d_RSAPublicKey 72#define d2i_RSAPublicKey hc_d2i_RSAPublicKey 73 74/* 75 * 76 */ 77 78typedef struct RSA RSA; 79typedef struct RSA_METHOD RSA_METHOD; 80 81#include <hcrypto/bn.h> 82#include <hcrypto/engine.h> 83 84struct RSA_METHOD { 85 const char *name; 86 int (*rsa_pub_enc)(int,const unsigned char *, unsigned char *, RSA *,int); 87 int (*rsa_pub_dec)(int,const unsigned char *, unsigned char *, RSA *,int); 88 int (*rsa_priv_enc)(int,const unsigned char *, unsigned char *, RSA *,int); 89 int (*rsa_priv_dec)(int,const unsigned char *, unsigned char *, RSA *,int); 90 void *rsa_mod_exp; 91 void *bn_mod_exp; 92 int (*init)(RSA *rsa); 93 int (*finish)(RSA *rsa); 94 int flags; 95 char *app_data; 96 int (*rsa_sign)(int, const unsigned char *, unsigned int, 97 unsigned char *, unsigned int *, const RSA *); 98 int (*rsa_verify)(int, const unsigned char *, unsigned int, 99 unsigned char *, unsigned int, const RSA *); 100 int (*rsa_keygen)(RSA *, int, BIGNUM *, BN_GENCB *); 101}; 102 103struct RSA { 104 int pad; 105 long version; 106 const RSA_METHOD *meth; 107 void *engine; 108 BIGNUM *n; 109 BIGNUM *e; 110 BIGNUM *d; 111 BIGNUM *p; 112 BIGNUM *q; 113 BIGNUM *dmp1; 114 BIGNUM *dmq1; 115 BIGNUM *iqmp; 116 struct rsa_CRYPTO_EX_DATA { 117 void *sk; 118 int dummy; 119 } ex_data; 120 int references; 121 int flags; 122 void *_method_mod_n; 123 void *_method_mod_p; 124 void *_method_mod_q; 125 126 char *bignum_data; 127 void *blinding; 128 void *mt_blinding; 129}; 130 131#define RSA_FLAG_NO_BLINDING 0x0080 132 133#define RSA_PKCS1_PADDING 1 134#define RSA_PKCS1_OAEP_PADDING 4 135#define RSA_PKCS1_PADDING_SIZE 11 136 137/* 138 * 139 */ 140 141const RSA_METHOD *RSA_null_method(void); 142const RSA_METHOD *RSA_gmp_method(void); 143const RSA_METHOD *RSA_sf_method(void); 144const RSA_METHOD *RSA_cdsa_method(void); 145const RSA_METHOD *RSA_tfm_method(void); 146const RSA_METHOD *RSA_ltm_method(void); 147 148/* 149 * 150 */ 151 152RSA * RSA_new(void); 153RSA * RSA_new_method(ENGINE *); 154void RSA_free(RSA *); 155int RSA_up_ref(RSA *); 156 157void RSA_set_default_method(const RSA_METHOD *); 158const RSA_METHOD * RSA_get_default_method(void); 159 160const RSA_METHOD * RSA_get_method(const RSA *); 161int RSA_set_method(RSA *, const RSA_METHOD *); 162 163int RSA_set_app_data(RSA *, void *arg); 164void * RSA_get_app_data(const RSA *); 165 166int RSA_check_key(const RSA *); 167int RSA_size(const RSA *); 168 169int RSA_public_encrypt(int,const unsigned char*,unsigned char*,RSA *,int); 170int RSA_private_encrypt(int,const unsigned char*,unsigned char*,RSA *,int); 171int RSA_public_decrypt(int,const unsigned char*,unsigned char*,RSA *,int); 172int RSA_private_decrypt(int,const unsigned char*,unsigned char*,RSA *,int); 173 174int RSA_sign(int, const unsigned char *, unsigned int, 175 unsigned char *, unsigned int *, RSA *); 176int RSA_verify(int, const unsigned char *, unsigned int, 177 unsigned char *, unsigned int, RSA *); 178 179int RSA_generate_key_ex(RSA *, int, BIGNUM *, BN_GENCB *); 180 181RSA * d2i_RSAPrivateKey(RSA *, const unsigned char **, size_t); 182int i2d_RSAPrivateKey(RSA *, unsigned char **); 183 184int i2d_RSAPublicKey(RSA *, unsigned char **); 185RSA * d2i_RSAPublicKey(RSA *, const unsigned char **, size_t); 186 187#endif /* _HEIM_RSA_H */ 188