ecs_locl.h

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/* 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
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 *    [email protected].
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
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 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * ([email protected]).  This product includes software written by Tim
 * Hudson ([email protected]).
 *
 */

#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_DATA *ecdsa_check(EC_KEY *eckey);

#ifdef  __cplusplus
}
#endif

#endif /* HEADER_ECS_LOCL_H */