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