1160814Ssimon/* crypto/ecdsa/ecs_locl.h */ 2160814Ssimon/* 3160814Ssimon * Written by Nils Larsch for the OpenSSL project 4160814Ssimon */ 5160814Ssimon/* ==================================================================== 6160814Ssimon * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. 7160814Ssimon * 8160814Ssimon * Redistribution and use in source and binary forms, with or without 9160814Ssimon * modification, are permitted provided that the following conditions 10160814Ssimon * are met: 11160814Ssimon * 12160814Ssimon * 1. Redistributions of source code must retain the above copyright 13296465Sdelphij * notice, this list of conditions and the following disclaimer. 14160814Ssimon * 15160814Ssimon * 2. Redistributions in binary form must reproduce the above copyright 16160814Ssimon * notice, this list of conditions and the following disclaimer in 17160814Ssimon * the documentation and/or other materials provided with the 18160814Ssimon * distribution. 19160814Ssimon * 20160814Ssimon * 3. All advertising materials mentioning features or use of this 21160814Ssimon * software must display the following acknowledgment: 22160814Ssimon * "This product includes software developed by the OpenSSL Project 23160814Ssimon * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24160814Ssimon * 25160814Ssimon * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26160814Ssimon * endorse or promote products derived from this software without 27160814Ssimon * prior written permission. For written permission, please contact 28160814Ssimon * licensing@OpenSSL.org. 29160814Ssimon * 30160814Ssimon * 5. Products derived from this software may not be called "OpenSSL" 31160814Ssimon * nor may "OpenSSL" appear in their names without prior written 32160814Ssimon * permission of the OpenSSL Project. 33160814Ssimon * 34160814Ssimon * 6. Redistributions of any form whatsoever must retain the following 35160814Ssimon * acknowledgment: 36160814Ssimon * "This product includes software developed by the OpenSSL Project 37160814Ssimon * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38160814Ssimon * 39160814Ssimon * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40160814Ssimon * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41160814Ssimon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42160814Ssimon * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43160814Ssimon * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44160814Ssimon * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45160814Ssimon * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46160814Ssimon * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47160814Ssimon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48160814Ssimon * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49160814Ssimon * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50160814Ssimon * OF THE POSSIBILITY OF SUCH DAMAGE. 51160814Ssimon * ==================================================================== 52160814Ssimon * 53160814Ssimon * This product includes cryptographic software written by Eric Young 54160814Ssimon * (eay@cryptsoft.com). This product includes software written by Tim 55160814Ssimon * Hudson (tjh@cryptsoft.com). 56160814Ssimon * 57160814Ssimon */ 58160814Ssimon 59160814Ssimon#ifndef HEADER_ECS_LOCL_H 60296465Sdelphij# define HEADER_ECS_LOCL_H 61160814Ssimon 62296465Sdelphij# include <openssl/ecdsa.h> 63160814Ssimon 64160814Ssimon#ifdef __cplusplus 65160814Ssimonextern "C" { 66160814Ssimon#endif 67160814Ssimon 68296465Sdelphijstruct ecdsa_method { 69296465Sdelphij const char *name; 70296465Sdelphij ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char *dgst, int dgst_len, 71296465Sdelphij const BIGNUM *inv, const BIGNUM *rp, 72296465Sdelphij EC_KEY *eckey); 73296465Sdelphij int (*ecdsa_sign_setup) (EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, 74296465Sdelphij BIGNUM **r); 75296465Sdelphij int (*ecdsa_do_verify) (const unsigned char *dgst, int dgst_len, 76296465Sdelphij const ECDSA_SIG *sig, EC_KEY *eckey); 77296465Sdelphij# if 0 78296465Sdelphij int (*init) (EC_KEY *eckey); 79296465Sdelphij int (*finish) (EC_KEY *eckey); 80296465Sdelphij# endif 81296465Sdelphij int flags; 82296465Sdelphij char *app_data; 83296465Sdelphij}; 84160814Ssimon 85160814Ssimontypedef struct ecdsa_data_st { 86296465Sdelphij /* EC_KEY_METH_DATA part */ 87296465Sdelphij int (*init) (EC_KEY *); 88296465Sdelphij /* method (ECDSA) specific part */ 89296465Sdelphij ENGINE *engine; 90296465Sdelphij int flags; 91296465Sdelphij const ECDSA_METHOD *meth; 92296465Sdelphij CRYPTO_EX_DATA ex_data; 93160814Ssimon} ECDSA_DATA; 94160814Ssimon 95160814Ssimon/** ecdsa_check 96160814Ssimon * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure 97160814Ssimon * and if not it removes the old meth_data and creates a ECDSA_DATA structure. 98160814Ssimon * \param eckey pointer to a EC_KEY object 99160814Ssimon * \return pointer to a ECDSA_DATA structure 100160814Ssimon */ 101160814SsimonECDSA_DATA *ecdsa_check(EC_KEY *eckey); 102160814Ssimon 103160814Ssimon#ifdef __cplusplus 104160814Ssimon} 105160814Ssimon#endif 106160814Ssimon 107296465Sdelphij#endif /* HEADER_ECS_LOCL_H */ 108