1f9fbec18Smcpowers /* 2f9fbec18Smcpowers * ***** BEGIN LICENSE BLOCK ***** 3f9fbec18Smcpowers * Version: MPL 1.1/GPL 2.0/LGPL 2.1 4f9fbec18Smcpowers * 5f9fbec18Smcpowers * The contents of this file are subject to the Mozilla Public License Version 6f9fbec18Smcpowers * 1.1 (the "License"); you may not use this file except in compliance with 7f9fbec18Smcpowers * the License. You may obtain a copy of the License at 8f9fbec18Smcpowers * http://www.mozilla.org/MPL/ 9f9fbec18Smcpowers * 10f9fbec18Smcpowers * Software distributed under the License is distributed on an "AS IS" basis, 11f9fbec18Smcpowers * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 12f9fbec18Smcpowers * for the specific language governing rights and limitations under the 13f9fbec18Smcpowers * License. 14f9fbec18Smcpowers * 15f9fbec18Smcpowers * The Original Code is the Multi-precision Binary Polynomial Arithmetic Library. 16f9fbec18Smcpowers * 17f9fbec18Smcpowers * The Initial Developer of the Original Code is 18f9fbec18Smcpowers * Sun Microsystems, Inc. 19f9fbec18Smcpowers * Portions created by the Initial Developer are Copyright (C) 2003 20f9fbec18Smcpowers * the Initial Developer. All Rights Reserved. 21f9fbec18Smcpowers * 22f9fbec18Smcpowers * Contributor(s): 23f9fbec18Smcpowers * Sheueling Chang Shantz <sheueling.chang@sun.com> and 24f9fbec18Smcpowers * Douglas Stebila <douglas@stebila.ca> of Sun Laboratories. 25f9fbec18Smcpowers * 26f9fbec18Smcpowers * Alternatively, the contents of this file may be used under the terms of 27f9fbec18Smcpowers * either the GNU General Public License Version 2 or later (the "GPL"), or 28f9fbec18Smcpowers * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), 29f9fbec18Smcpowers * in which case the provisions of the GPL or the LGPL are applicable instead 30f9fbec18Smcpowers * of those above. If you wish to allow use of your version of this file only 31f9fbec18Smcpowers * under the terms of either the GPL or the LGPL, and not to allow others to 32f9fbec18Smcpowers * use your version of this file under the terms of the MPL, indicate your 33f9fbec18Smcpowers * decision by deleting the provisions above and replace them with the notice 34f9fbec18Smcpowers * and other provisions required by the GPL or the LGPL. If you do not delete 35f9fbec18Smcpowers * the provisions above, a recipient may use your version of this file under 36f9fbec18Smcpowers * the terms of any one of the MPL, the GPL or the LGPL. 37f9fbec18Smcpowers * 38f9fbec18Smcpowers * ***** END LICENSE BLOCK ***** */ 39f9fbec18Smcpowers /* 40f9fbec18Smcpowers * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 41f9fbec18Smcpowers * Use is subject to license terms. 42f9fbec18Smcpowers * 43f9fbec18Smcpowers * Sun elects to use this software under the MPL license. 44f9fbec18Smcpowers */ 45f9fbec18Smcpowers 46f9fbec18Smcpowers #ifndef _MP_GF2M_H_ 47f9fbec18Smcpowers #define _MP_GF2M_H_ 48f9fbec18Smcpowers 49f9fbec18Smcpowers #include "mpi.h" 50f9fbec18Smcpowers 51f9fbec18Smcpowers mp_err mp_badd(const mp_int *a, const mp_int *b, mp_int *c); 52f9fbec18Smcpowers mp_err mp_bmul(const mp_int *a, const mp_int *b, mp_int *c); 53f9fbec18Smcpowers 54*c40a6cd7SToomas Soome /* For modular arithmetic, the irreducible polynomial f(t) is represented 55*c40a6cd7SToomas Soome * as an array of int[], where f(t) is of the form: 56f9fbec18Smcpowers * f(t) = t^p[0] + t^p[1] + ... + t^p[k] 57f9fbec18Smcpowers * where m = p[0] > p[1] > ... > p[k] = 0. 58f9fbec18Smcpowers */ 59f9fbec18Smcpowers mp_err mp_bmod(const mp_int *a, const unsigned int p[], mp_int *r); 60*c40a6cd7SToomas Soome mp_err mp_bmulmod(const mp_int *a, const mp_int *b, const unsigned int p[], 61f9fbec18Smcpowers mp_int *r); 62f9fbec18Smcpowers mp_err mp_bsqrmod(const mp_int *a, const unsigned int p[], mp_int *r); 63*c40a6cd7SToomas Soome mp_err mp_bdivmod(const mp_int *y, const mp_int *x, const mp_int *pp, 64f9fbec18Smcpowers const unsigned int p[], mp_int *r); 65f9fbec18Smcpowers 66f9fbec18Smcpowers int mp_bpoly2arr(const mp_int *a, unsigned int p[], int max); 67f9fbec18Smcpowers mp_err mp_barr2poly(const unsigned int p[], mp_int *a); 68f9fbec18Smcpowers 69f9fbec18Smcpowers #endif /* _MP_GF2M_H_ */ 70