121 lines
4.4 KiB
C
121 lines
4.4 KiB
C
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/* crypto/ecdsa/ecs_locl.h */
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/*
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* Written by Nils Larsch for the OpenSSL project
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*/
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/* ====================================================================
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* Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#ifndef HEADER_ECS_LOCL_H
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# define HEADER_ECS_LOCL_H
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# include <openssl/ecdsa.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ecdsa_method {
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const char *name;
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ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char *dgst, int dgst_len,
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const BIGNUM *inv, const BIGNUM *rp,
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EC_KEY *eckey);
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int (*ecdsa_sign_setup) (EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
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BIGNUM **r);
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int (*ecdsa_do_verify) (const unsigned char *dgst, int dgst_len,
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const ECDSA_SIG *sig, EC_KEY *eckey);
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# if 0
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int (*init) (EC_KEY *eckey);
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int (*finish) (EC_KEY *eckey);
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# endif
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int flags;
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void *app_data;
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};
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/* The ECDSA_METHOD was allocated and can be freed */
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# define ECDSA_METHOD_FLAG_ALLOCATED 0x2
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/*
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* If this flag is set the ECDSA method is FIPS compliant and can be used in
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* FIPS mode. This is set in the validated module method. If an application
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* sets this flag in its own methods it is its responsibility to ensure the
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* result is compliant.
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*/
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# define ECDSA_FLAG_FIPS_METHOD 0x1
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typedef struct ecdsa_data_st {
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/* EC_KEY_METH_DATA part */
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int (*init) (EC_KEY *);
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/* method (ECDSA) specific part */
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ENGINE *engine;
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int flags;
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const ECDSA_METHOD *meth;
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CRYPTO_EX_DATA ex_data;
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} ECDSA_DATA;
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/** ecdsa_check
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* checks whether ECKEY->meth_data is a pointer to a ECDSA_DATA structure
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* and if not it removes the old meth_data and creates a ECDSA_DATA structure.
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* \param eckey pointer to a EC_KEY object
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* \return pointer to a ECDSA_DATA structure
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*/
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ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HEADER_ECS_LOCL_H */
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