1 /* $OpenBSD: gost_locl.h,v 1.2 2014/11/09 19:27:29 miod Exp $ */ 2 /* 3 * Copyright (c) 2014 Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> 4 * Copyright (c) 2005-2006 Cryptocom LTD 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 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * 3. All advertising materials mentioning features or use of this 19 * software must display the following acknowledgment: 20 * "This product includes software developed by the OpenSSL Project 21 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 22 * 23 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 24 * endorse or promote products derived from this software without 25 * prior written permission. For written permission, please contact 26 * openssl-core@openssl.org. 27 * 28 * 5. Products derived from this software may not be called "OpenSSL" 29 * nor may "OpenSSL" appear in their names without prior written 30 * permission of the OpenSSL Project. 31 * 32 * 6. Redistributions of any form whatsoever must retain the following 33 * acknowledgment: 34 * "This product includes software developed by the OpenSSL Project 35 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 36 * 37 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 38 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 40 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 43 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 44 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 45 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 46 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 48 * OF THE POSSIBILITY OF SUCH DAMAGE. 49 * ==================================================================== 50 */ 51 52 #ifndef HEADER_GOST_LOCL_H 53 #define HEADER_GOST_LOCL_H 54 55 #include <openssl/ec.h> 56 #include <openssl/ecdsa.h> 57 58 /* Internal representation of GOST substitution blocks */ 59 typedef struct { 60 unsigned char k8[16]; 61 unsigned char k7[16]; 62 unsigned char k6[16]; 63 unsigned char k5[16]; 64 unsigned char k4[16]; 65 unsigned char k3[16]; 66 unsigned char k2[16]; 67 unsigned char k1[16]; 68 } gost_subst_block; 69 70 #if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__) 71 # define c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4) 72 # define l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4) 73 #else 74 #define c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \ 75 l|=(((unsigned long)(*((c)++)))<< 8), \ 76 l|=(((unsigned long)(*((c)++)))<<16), \ 77 l|=(((unsigned long)(*((c)++)))<<24)) 78 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 79 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 80 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 81 *((c)++)=(unsigned char)(((l)>>24)&0xff)) 82 #endif 83 84 extern void Gost2814789_encrypt(const unsigned char *in, unsigned char *out, 85 const GOST2814789_KEY *key); 86 extern void Gost2814789_decrypt(const unsigned char *in, unsigned char *out, 87 const GOST2814789_KEY *key); 88 extern void Gost2814789_cryptopro_key_mesh(GOST2814789_KEY *key); 89 90 /* GOST 28147-89 key wrapping */ 91 extern int gost_key_unwrap_crypto_pro(int nid, 92 const unsigned char *keyExchangeKey, const unsigned char *wrappedKey, 93 unsigned char *sessionKey); 94 extern int gost_key_wrap_crypto_pro(int nid, 95 const unsigned char *keyExchangeKey, const unsigned char *ukm, 96 const unsigned char *sessionKey, unsigned char *wrappedKey); 97 /* Pkey part */ 98 extern int gost2001_compute_public(GOST_KEY *ec); 99 extern ECDSA_SIG *gost2001_do_sign(BIGNUM *md, GOST_KEY *eckey); 100 extern int gost2001_do_verify(BIGNUM *md, ECDSA_SIG *sig, GOST_KEY *ec); 101 extern int gost2001_keygen(GOST_KEY *ec); 102 extern int VKO_compute_key(BIGNUM *X, BIGNUM *Y, const GOST_KEY *pkey, 103 GOST_KEY *priv_key, const BIGNUM *ukm); 104 extern BIGNUM *GOST_le2bn(const unsigned char *buf, size_t len, BIGNUM *bn); 105 extern int GOST_bn2le(BIGNUM *bn, unsigned char *buf, int len); 106 107 /* GOST R 34.10 parameters */ 108 extern int GostR3410_get_md_digest(int nid); 109 extern int GostR3410_get_pk_digest(int nid); 110 extern int GostR3410_256_param_id(const char *value); 111 extern int GostR3410_512_param_id(const char *value); 112 113 #endif 114