author | ohair |
Wed, 06 Apr 2011 22:06:11 -0700 | |
changeset 9035 | 1255eb81cc2f |
parent 8175 | 27e80dc06104 |
child 9774 | 50a2b28ca54c |
permissions | -rw-r--r-- |
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/* ********************************************************************* |
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* |
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* Sun elects to have this file available under and governed by the |
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* Mozilla Public License Version 1.1 ("MPL") (see |
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* http://www.mozilla.org/MPL/ for full license text). For the avoidance |
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* of doubt and subject to the following, Sun also elects to allow |
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* licensees to use this file under the MPL, the GNU General Public |
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* License version 2 only or the Lesser General Public License version |
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* 2.1 only. Any references to the "GNU General Public License version 2 |
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* or later" or "GPL" in the following shall be construed to mean the |
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* GNU General Public License version 2 only. Any references to the "GNU |
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* Lesser General Public License version 2.1 or later" or "LGPL" in the |
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* following shall be construed to mean the GNU Lesser General Public |
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* License version 2.1 only. However, the following notice accompanied |
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* the original version of this file: |
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* |
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
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* |
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* The contents of this file are subject to the Mozilla Public License Version |
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* 1.1 (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* http://www.mozilla.org/MPL/ |
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* |
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* Software distributed under the License is distributed on an "AS IS" basis, |
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
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* for the specific language governing rights and limitations under the |
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* License. |
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* |
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* The Original Code is the Multi-precision Binary Polynomial Arithmetic Library. |
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* |
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* The Initial Developer of the Original Code is |
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* Sun Microsystems, Inc. |
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* Portions created by the Initial Developer are Copyright (C) 2003 |
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* the Initial Developer. All Rights Reserved. |
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* |
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* Contributor(s): |
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* Sheueling Chang Shantz <sheueling.chang@sun.com> and |
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* Douglas Stebila <douglas@stebila.ca> of Sun Laboratories. |
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* |
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* Alternatively, the contents of this file may be used under the terms of |
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* either the GNU General Public License Version 2 or later (the "GPL"), or |
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
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* in which case the provisions of the GPL or the LGPL are applicable instead |
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* of those above. If you wish to allow use of your version of this file only |
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* under the terms of either the GPL or the LGPL, and not to allow others to |
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* use your version of this file under the terms of the MPL, indicate your |
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* decision by deleting the provisions above and replace them with the notice |
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* and other provisions required by the GPL or the LGPL. If you do not delete |
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* the provisions above, a recipient may use your version of this file under |
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* the terms of any one of the MPL, the GPL or the LGPL. |
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* |
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*********************************************************************** */ |
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/* |
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* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. |
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* Use is subject to license terms. |
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*/ |
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#ifndef _MP_GF2M_PRIV_H_ |
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#define _MP_GF2M_PRIV_H_ |
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#include "mpi-priv.h" |
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extern const mp_digit mp_gf2m_sqr_tb[16]; |
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#if defined(MP_USE_UINT_DIGIT) |
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#define MP_DIGIT_BITS 32 |
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#else |
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#define MP_DIGIT_BITS 64 |
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#endif |
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/* Platform-specific macros for fast binary polynomial squaring. */ |
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#if MP_DIGIT_BITS == 32 |
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#define gf2m_SQR1(w) \ |
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mp_gf2m_sqr_tb[(w) >> 28 & 0xF] << 24 | mp_gf2m_sqr_tb[(w) >> 24 & 0xF] << 16 | \ |
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mp_gf2m_sqr_tb[(w) >> 20 & 0xF] << 8 | mp_gf2m_sqr_tb[(w) >> 16 & 0xF] |
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#define gf2m_SQR0(w) \ |
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mp_gf2m_sqr_tb[(w) >> 12 & 0xF] << 24 | mp_gf2m_sqr_tb[(w) >> 8 & 0xF] << 16 | \ |
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mp_gf2m_sqr_tb[(w) >> 4 & 0xF] << 8 | mp_gf2m_sqr_tb[(w) & 0xF] |
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#else |
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#define gf2m_SQR1(w) \ |
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mp_gf2m_sqr_tb[(w) >> 60 & 0xF] << 56 | mp_gf2m_sqr_tb[(w) >> 56 & 0xF] << 48 | \ |
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mp_gf2m_sqr_tb[(w) >> 52 & 0xF] << 40 | mp_gf2m_sqr_tb[(w) >> 48 & 0xF] << 32 | \ |
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mp_gf2m_sqr_tb[(w) >> 44 & 0xF] << 24 | mp_gf2m_sqr_tb[(w) >> 40 & 0xF] << 16 | \ |
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mp_gf2m_sqr_tb[(w) >> 36 & 0xF] << 8 | mp_gf2m_sqr_tb[(w) >> 32 & 0xF] |
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#define gf2m_SQR0(w) \ |
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mp_gf2m_sqr_tb[(w) >> 28 & 0xF] << 56 | mp_gf2m_sqr_tb[(w) >> 24 & 0xF] << 48 | \ |
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mp_gf2m_sqr_tb[(w) >> 20 & 0xF] << 40 | mp_gf2m_sqr_tb[(w) >> 16 & 0xF] << 32 | \ |
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mp_gf2m_sqr_tb[(w) >> 12 & 0xF] << 24 | mp_gf2m_sqr_tb[(w) >> 8 & 0xF] << 16 | \ |
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mp_gf2m_sqr_tb[(w) >> 4 & 0xF] << 8 | mp_gf2m_sqr_tb[(w) & 0xF] |
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#endif |
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/* Multiply two binary polynomials mp_digits a, b. |
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* Result is a polynomial with degree < 2 * MP_DIGIT_BITS - 1. |
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* Output in two mp_digits rh, rl. |
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*/ |
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void s_bmul_1x1(mp_digit *rh, mp_digit *rl, const mp_digit a, const mp_digit b); |
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/* Compute xor-multiply of two binary polynomials (a1, a0) x (b1, b0) |
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* result is a binary polynomial in 4 mp_digits r[4]. |
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* The caller MUST ensure that r has the right amount of space allocated. |
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*/ |
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void s_bmul_2x2(mp_digit *r, const mp_digit a1, const mp_digit a0, const mp_digit b1, |
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const mp_digit b0); |
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/* Compute xor-multiply of two binary polynomials (a2, a1, a0) x (b2, b1, b0) |
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* result is a binary polynomial in 6 mp_digits r[6]. |
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* The caller MUST ensure that r has the right amount of space allocated. |
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*/ |
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void s_bmul_3x3(mp_digit *r, const mp_digit a2, const mp_digit a1, const mp_digit a0, |
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const mp_digit b2, const mp_digit b1, const mp_digit b0); |
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111 |
|
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/* Compute xor-multiply of two binary polynomials (a3, a2, a1, a0) x (b3, b2, b1, b0) |
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* result is a binary polynomial in 8 mp_digits r[8]. |
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* The caller MUST ensure that r has the right amount of space allocated. |
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*/ |
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void s_bmul_4x4(mp_digit *r, const mp_digit a3, const mp_digit a2, const mp_digit a1, |
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const mp_digit a0, const mp_digit b3, const mp_digit b2, const mp_digit b1, |
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const mp_digit b0); |
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119 |
|
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#endif /* _MP_GF2M_PRIV_H_ */ |