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Add ECSCHNORR

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Zhi Guan
2019-04-04 10:41:38 +08:00
parent 4a20b5f54c
commit 6c122e31a6
4 changed files with 283 additions and 0 deletions
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include/openssl/ecschnorr.h Normal file
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/* ====================================================================
* Copyright (c) 2015 - 2019 The GmSSL 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 GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL 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 GmSSL 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.
* ====================================================================
*/
#ifndef HEADER_ECSCHNORR_H
#define HEADER_ECSCHNORR_H
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_ECSCHNORR
#include <openssl/ec.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct ECSCHNORR_SIG_st ECSCHNORR_SIG;
DECLARE_ASN1_FUNCTIONS(ECSCHNORR_SIG)
/* return the maximum ec schnorr signature size */
int ECSCHNORR_size(const EC_KEY *ec_key);
ECSCHNORR_SIG *ECSCHNORR_do_sign(const EVP_MD *md,
const unsigned char *dgst, int dgst_len, EC_KEY *ec_key);
int ECSCHNORR_do_verify(const EVP_MD *md,
const unsigned char *dgst, int dgstlen,
const ECSCHNORR_SIG *sig, EC_KEY *ec_key);
int ECSCHNORR_sign(int type, const unsigned char *dgst, int dgstlen,
unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
int ECSCHNORR_verify(int type, const unsigned char *dgst, int dgstlen,
const unsigned char *sig, int siglen, EC_KEY *ec_key);
/* BEGIN ERROR CODES */