14a7cfb32a
Submitted by: Nils Larsch
169 lines
5.7 KiB
C
169 lines
5.7 KiB
C
/* crypto/ecdsa/ecdsa.h */
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/* ====================================================================
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* Copyright (c) 2000-2002 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_ECDSA_H
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#define HEADER_ECDSA_H
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#ifdef OPENSSL_NO_ECDSA
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#error ECDSA is disabled.
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#endif
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#include <openssl/bn.h>
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#include <openssl/ec.h>
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#include <openssl/ossl_typ.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct ECDSA_SIG_st
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{
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BIGNUM *r;
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BIGNUM *s;
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} ECDSA_SIG;
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typedef struct ecdsa_method
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{
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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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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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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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char *app_data;
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} ECDSA_METHOD;
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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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void (*finish)(EC_KEY *);
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/* method specific part */
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BIGNUM *kinv; /* signing pre-calc */
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BIGNUM *r; /* signing pre-calc */
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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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/* signature functions */
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ECDSA_SIG *ECDSA_SIG_new(void);
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void ECDSA_SIG_free(ECDSA_SIG *a);
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int i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **pp);
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ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const unsigned char **pp, long length);
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/* ECDSA_DATA functions */
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ECDSA_DATA *ECDSA_DATA_new(void);
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ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *);
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void ECDSA_DATA_free(ECDSA_DATA *);
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ECDSA_DATA *ecdsa_check(EC_KEY *);
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ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len, EC_KEY *);
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int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, ECDSA_SIG
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*sig, EC_KEY* eckey);
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const ECDSA_METHOD *ECDSA_OpenSSL(void);
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void ECDSA_set_default_method(const ECDSA_METHOD *);
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const ECDSA_METHOD *ECDSA_get_default_method(void);
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int ECDSA_set_method(EC_KEY *, const ECDSA_METHOD *);
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int ECDSA_size(const EC_KEY *);
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int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
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BIGNUM **rp);
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int ECDSA_sign(int type, const unsigned char *dgst, int dgst_len,
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unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
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int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
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const unsigned char *sig, int sig_len, EC_KEY *eckey);
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int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
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*new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
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int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg);
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void *ECDSA_get_ex_data(EC_KEY *d, int idx);
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/* BEGIN ERROR CODES */
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/* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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void ERR_load_ECDSA_strings(void);
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/* Error codes for the ECDSA functions. */
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/* Function codes. */
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#define ECDSA_F_ECDSA_DATA_NEW 100
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#define ECDSA_F_ECDSA_DO_SIGN 101
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#define ECDSA_F_ECDSA_DO_VERIFY 102
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#define ECDSA_F_ECDSA_SIGN_SETUP 103
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/* Reason codes. */
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#define ECDSA_R_BAD_SIGNATURE 100
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#define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
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#define ECDSA_R_ERR_EC_LIB 102
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#define ECDSA_R_MISSING_PARAMETERS 103
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#define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
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#define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
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#ifdef __cplusplus
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}
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#endif
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#endif
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