1*2139Sjp161948 /* crypto/ecdsa/ecs_locl.h */ 2*2139Sjp161948 /* 3*2139Sjp161948 * Written by Nils Larsch for the OpenSSL project 4*2139Sjp161948 */ 5*2139Sjp161948 /* ==================================================================== 6*2139Sjp161948 * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. 7*2139Sjp161948 * 8*2139Sjp161948 * Redistribution and use in source and binary forms, with or without 9*2139Sjp161948 * modification, are permitted provided that the following conditions 10*2139Sjp161948 * are met: 11*2139Sjp161948 * 12*2139Sjp161948 * 1. Redistributions of source code must retain the above copyright 13*2139Sjp161948 * notice, this list of conditions and the following disclaimer. 14*2139Sjp161948 * 15*2139Sjp161948 * 2. Redistributions in binary form must reproduce the above copyright 16*2139Sjp161948 * notice, this list of conditions and the following disclaimer in 17*2139Sjp161948 * the documentation and/or other materials provided with the 18*2139Sjp161948 * distribution. 19*2139Sjp161948 * 20*2139Sjp161948 * 3. All advertising materials mentioning features or use of this 21*2139Sjp161948 * software must display the following acknowledgment: 22*2139Sjp161948 * "This product includes software developed by the OpenSSL Project 23*2139Sjp161948 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24*2139Sjp161948 * 25*2139Sjp161948 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26*2139Sjp161948 * endorse or promote products derived from this software without 27*2139Sjp161948 * prior written permission. For written permission, please contact 28*2139Sjp161948 * licensing@OpenSSL.org. 29*2139Sjp161948 * 30*2139Sjp161948 * 5. Products derived from this software may not be called "OpenSSL" 31*2139Sjp161948 * nor may "OpenSSL" appear in their names without prior written 32*2139Sjp161948 * permission of the OpenSSL Project. 33*2139Sjp161948 * 34*2139Sjp161948 * 6. Redistributions of any form whatsoever must retain the following 35*2139Sjp161948 * acknowledgment: 36*2139Sjp161948 * "This product includes software developed by the OpenSSL Project 37*2139Sjp161948 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38*2139Sjp161948 * 39*2139Sjp161948 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40*2139Sjp161948 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41*2139Sjp161948 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42*2139Sjp161948 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43*2139Sjp161948 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44*2139Sjp161948 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45*2139Sjp161948 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46*2139Sjp161948 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47*2139Sjp161948 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48*2139Sjp161948 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49*2139Sjp161948 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50*2139Sjp161948 * OF THE POSSIBILITY OF SUCH DAMAGE. 51*2139Sjp161948 * ==================================================================== 52*2139Sjp161948 * 53*2139Sjp161948 * This product includes cryptographic software written by Eric Young 54*2139Sjp161948 * (eay@cryptsoft.com). This product includes software written by Tim 55*2139Sjp161948 * Hudson (tjh@cryptsoft.com). 56*2139Sjp161948 * 57*2139Sjp161948 */ 58*2139Sjp161948 59*2139Sjp161948 #ifndef HEADER_ECS_LOCL_H 60*2139Sjp161948 #define HEADER_ECS_LOCL_H 61*2139Sjp161948 62*2139Sjp161948 #include <openssl/ecdsa.h> 63*2139Sjp161948 64*2139Sjp161948 #ifdef __cplusplus 65*2139Sjp161948 extern "C" { 66*2139Sjp161948 #endif 67*2139Sjp161948 68*2139Sjp161948 struct ecdsa_method 69*2139Sjp161948 { 70*2139Sjp161948 const char *name; 71*2139Sjp161948 ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, 72*2139Sjp161948 const BIGNUM *inv, const BIGNUM *rp, EC_KEY *eckey); 73*2139Sjp161948 int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, 74*2139Sjp161948 BIGNUM **r); 75*2139Sjp161948 int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, 76*2139Sjp161948 const ECDSA_SIG *sig, EC_KEY *eckey); 77*2139Sjp161948 #if 0 78*2139Sjp161948 int (*init)(EC_KEY *eckey); 79*2139Sjp161948 int (*finish)(EC_KEY *eckey); 80*2139Sjp161948 #endif 81*2139Sjp161948 int flags; 82*2139Sjp161948 char *app_data; 83*2139Sjp161948 }; 84*2139Sjp161948 85*2139Sjp161948 typedef struct ecdsa_data_st { 86*2139Sjp161948 /* EC_KEY_METH_DATA part */ 87*2139Sjp161948 int (*init)(EC_KEY *); 88*2139Sjp161948 /* method (ECDSA) specific part */ 89*2139Sjp161948 ENGINE *engine; 90*2139Sjp161948 int flags; 91*2139Sjp161948 const ECDSA_METHOD *meth; 92*2139Sjp161948 CRYPTO_EX_DATA ex_data; 93*2139Sjp161948 } ECDSA_DATA; 94*2139Sjp161948 95*2139Sjp161948 /** ecdsa_check 96*2139Sjp161948 * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure 97*2139Sjp161948 * and if not it removes the old meth_data and creates a ECDSA_DATA structure. 98*2139Sjp161948 * \param eckey pointer to a EC_KEY object 99*2139Sjp161948 * \return pointer to a ECDSA_DATA structure 100*2139Sjp161948 */ 101*2139Sjp161948 ECDSA_DATA *ecdsa_check(EC_KEY *eckey); 102*2139Sjp161948 103*2139Sjp161948 #ifdef __cplusplus 104*2139Sjp161948 } 105*2139Sjp161948 #endif 106*2139Sjp161948 107*2139Sjp161948 #endif /* HEADER_ECS_LOCL_H */ 108