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GFp.h
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/*
* Copyright 2012 Xinxin Fan <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS 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
* COPYRIGHT HOLDER OR 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 __GFp_H__
#define __GFp_H__
/**
* Big Integer Addition
*/
uint32 add(uint32 *a, uint32 *b, uint32 *aplusb, uint32 curve_id);
/**
* Big Integer Subtraction
*/
uint32 sub(uint32 *a, uint32 *b, uint32 *asubb, uint32 m);
/**
* Modular Addition over GF(p)
*/
void modpadd(uint32 *a, uint32 *b, uint32 *aplusb, uint32 curve_id);
/**
* Modular Subtraction over GF(p)
*/
void modpsub(uint32 *a, uint32 *b, uint32 *asubb, uint32 curve_id);
/**
* Modular Multiplication over GF(p) with one operand 128-bit
*/
void modpmul128(uint32 *a, uint32 *b, uint32 *amulb, uint32 curve_id);
/**
* Modular Multiplication over GF(p) with one operand 96-bit
*/
void modpmul96(uint32 *a, uint32 *b, uint32 *amulb);
#endif /* __GFp_H__ */