/* crypto/ecdsa/ecs_locl.h */ /* * Written by Nils Larsch for the OpenSSL project */ /* ==================================================================== * Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #ifndef HEADER_ECS_LOCL_H #define HEADER_ECS_LOCL_H #include <openssl/ecdsa.h> #ifdef __cplusplus extern "C" { #endif struct ecdsa_method { const char *name; ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, const BIGNUM *inv, const BIGNUM *rp, EC_KEY *eckey); int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **r); int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, const ECDSA_SIG *sig, EC_KEY *eckey); #if 0 int (*init)(EC_KEY *eckey); int (*finish)(EC_KEY *eckey); #endif int flags; char *app_data; }; /* If this flag is set the ECDSA method is FIPS compliant and can be used * in FIPS mode. This is set in the validated module method. If an * application sets this flag in its own methods it is its responsibility * to ensure the result is compliant. */ #define ECDSA_FLAG_FIPS_METHOD 0x1 typedef struct ecdsa_data_st { /* EC_KEY_METH_DATA part */ int (*init)(EC_KEY *); /* method (ECDSA) specific part */ ENGINE *engine; int flags; const ECDSA_METHOD *meth; CRYPTO_EX_DATA ex_data; } ECDSA_DATA; /** ecdsa_check * checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure * and if not it removes the old meth_data and creates a ECDSA_DATA structure. * \param eckey pointer to a EC_KEY object * \return pointer to a ECDSA_DATA structure */ ECDSA_DATA *ecdsa_check(EC_KEY *eckey); #ifdef __cplusplus } #endif #endif /* HEADER_ECS_LOCL_H */