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add extra ec

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Zhi Guan
2017-02-15 16:08:27 +08:00
parent c04b2060af
commit 5d5ea22fa7
22 changed files with 2695 additions and 3 deletions
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include/openssl/bn_solinas.h Normal file
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/* ====================================================================
* Copyright (c) 2016 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.
* ====================================================================
*/
/*
* Solinas Prime (prime number with low weight)
*/
#ifndef HEADER_BN_SOLINAS_H
#define HEADER_BN_SOLINAS_H
#include <openssl/bn.h>
#ifdef __cplusplus
extern "C" {
#endif
/* solinas prime = 2^a + s * 2^b + c */
typedef struct {
int a;
int b;
int s;
int c;
} BN_SOLINAS;
int BN_bn2solinas(const BIGNUM *bn, BN_SOLINAS *solinas);
int BN_solinas2bn(const BN_SOLINAS *solinas, BIGNUM *bn);
int BN_is_solinas(const BIGNUM *bn);
/*
* the following Solinas primes are from
* "Solinas primes of small weight for fixed sizes"
* https://eprint.iacr.org/2010/058.pdf
*
* 2^192 - 2^16 - 1
* 2^192 - 2^64 - 1
* 2^224 - 2^96 + 1
* 2^256 - 2^168 + 1
* 2^384 - 2^80 + 1
* 2^512 - 2^32 + 1
* 2^512 - 2^32 - 1
* 2^1024 - 2^424 - 1
* 2^1024 - 2^856 + 1
*/
#ifdef __cplusplus
}
#endif
#endif