195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/***************************************************************************** 295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* Copyright (c) 2012, Intel Corporation * 495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* All rights reserved. * 695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* Redistribution and use in source and binary forms, with or without * 895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* modification, are permitted provided that the following conditions are * 995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* met: * 1095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 1195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * Redistributions of source code must retain the above copyright * 1295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* notice, this list of conditions and the following disclaimer. * 1395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 1495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * Redistributions in binary form must reproduce the above copyright * 1595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* notice, this list of conditions and the following disclaimer in the * 1695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* documentation and/or other materials provided with the * 1795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* distribution. * 1895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 1995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * Neither the name of the Intel Corporation nor the names of its * 2095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* contributors may be used to endorse or promote products derived from * 2195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* this software without specific prior written permission. * 2295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 2395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 2495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION ""AS IS"" AND ANY * 2595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * 2695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * 2795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR * 2895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * 2995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * 3095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * 3195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * 3295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * 3395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * 3495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * 3595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* * 3695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley****************************************************************************** 3795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* Developers and authors: * 3895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* Shay Gueron (1, 2), and Vlad Krasnov (1) * 3995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* (1) Intel Corporation, Israel Development Center, Haifa, Israel * 4095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley* (2) University of Haifa, Israel * 4195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley*****************************************************************************/ 4295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 4323b460df0275d7b1543d3b5e0a33b1660a501ce9Adam Langley#include <openssl/base.h> 4423b460df0275d7b1543d3b5e0a33b1660a501ce9Adam Langley 450113a4fb60c3b6e9e93a217d5b4d373eb343a8c6Adam Langley#if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64) 4623b460df0275d7b1543d3b5e0a33b1660a501ce9Adam Langley 4795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include "rsaz_exp.h" 4895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 4995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/mem.h> 5095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 5195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* 5295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * See crypto/bn/asm/rsaz-avx2.pl for further details. 5395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 5495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_1024_norm2red_avx2(void *red,const void *norm); 5595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_1024_mul_avx2(void *ret,const void *a,const void *b,const void *n,BN_ULONG k); 5695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_1024_sqr_avx2(void *ret,const void *a,const void *n,BN_ULONG k,int cnt); 5795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_1024_scatter5_avx2(void *tbl,const void *val,int i); 5895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_1024_gather5_avx2(void *val,const void *tbl,int i); 5995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_1024_red2norm_avx2(void *norm,const void *red); 6095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#if defined(__GNUC__) 6295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley# define ALIGN64 __attribute__((aligned(64))) 6395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#elif defined(_MSC_VER) 6495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley# define ALIGN64 __declspec(align(64)) 6595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#elif defined(__SUNPRO_C) 6695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley# define ALIGN64 6795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley# pragma align 64(one,two80) 6895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#else 6995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley# define ALIGN64 /* not fatal, might hurt performance a little */ 7095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 7195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7295c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyALIGN64 static const BN_ULONG one[40] = 7395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley {1,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 7495c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyALIGN64 static const BN_ULONG two80[40] = 7595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley {0,0,1<<22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 7695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid RSAZ_1024_mod_exp_avx2(BN_ULONG result_norm[16], 7895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const BN_ULONG base_norm[16], const BN_ULONG exponent[16], 7995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const BN_ULONG m_norm[16], const BN_ULONG RR[16], BN_ULONG k0) 8095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley{ 8195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char storage[320*3+32*9*16+64]; /* 5.5KB */ 8295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *p_str = storage + (64-((size_t)storage%64)); 8395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *a_inv, *m, *result, 8495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *table_s = p_str+320*3, 8595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *R2 = table_s; /* borrow */ 8695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int index; 8795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int wvalue; 8895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if ((((size_t)p_str&4095)+320)>>12) { 9095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley result = p_str; 9195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a_inv = p_str + 320; 9295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley m = p_str + 320*2; /* should not cross page */ 9395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } else { 9495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley m = p_str; /* should not cross page */ 9595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley result = p_str + 320; 9695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a_inv = p_str + 320*2; 9795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 9895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 9995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_norm2red_avx2(m, m_norm); 10095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_norm2red_avx2(a_inv, base_norm); 10195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_norm2red_avx2(R2, RR); 10295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(R2, R2, R2, m, k0); 10495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(R2, R2, two80, m, k0); 10595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[0] = 1 */ 10795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, R2, one, m, k0); 10895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[1] = a_inv^1 */ 10995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(a_inv, a_inv, R2, m, k0); 11095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 11195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,0); 11295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,a_inv,1); 11395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 11495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[2] = a_inv^2 */ 11595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, a_inv, m, k0, 1); 11695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,2); 11795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#if 0 11895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* this is almost 2x smaller and less than 1% slower */ 11995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for (index=3; index<32; index++) { 12095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 12195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,index); 12295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 12395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#else 12495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[4] = a_inv^4 */ 12595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 12695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,4); 12795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[8] = a_inv^8 */ 12895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 12995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,8); 13095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[16] = a_inv^16 */ 13195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 13295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,16); 13395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[17] = a_inv^17 */ 13495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 13595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,17); 13695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[3] */ 13895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,2); 13995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result,result,a_inv,m,k0); 14095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,3); 14195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[6] */ 14295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 14395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,6); 14495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[12] */ 14595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 14695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,12); 14795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[24] */ 14895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 14995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,24); 15095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[25] */ 15195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 15295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,25); 15395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 15495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[5] */ 15595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,4); 15695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result,result,a_inv,m,k0); 15795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,5); 15895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[10] */ 15995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 16095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,10); 16195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[20] */ 16295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 16395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,20); 16495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[21] */ 16595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 16695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,21); 16795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 16895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[7] */ 16995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,6); 17095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result,result,a_inv,m,k0); 17195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,7); 17295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[14] */ 17395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 17495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,14); 17595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[28] */ 17695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 17795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,28); 17895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[29] */ 17995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 18095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,29); 18195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 18295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[9] */ 18395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,8); 18495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result,result,a_inv,m,k0); 18595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,9); 18695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[18] */ 18795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 18895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,18); 18995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[19] */ 19095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 19195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,19); 19295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 19395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[11] */ 19495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,10); 19595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result,result,a_inv,m,k0); 19695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,11); 19795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[22] */ 19895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 19995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,22); 20095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[23] */ 20195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 20295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,23); 20395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 20495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[13] */ 20595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,12); 20695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result,result,a_inv,m,k0); 20795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,13); 20895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[26] */ 20995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 21095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,26); 21195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[27] */ 21295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 21395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,27); 21495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 21595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[15] */ 21695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,14); 21795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result,result,a_inv,m,k0); 21895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,15); 21995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[30] */ 22095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 1); 22195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,30); 22295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[31] */ 22395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 22495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_scatter5_avx2(table_s,result,31); 22595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#endif 22695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 22795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* load first window */ 22895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley p_str = (unsigned char*)exponent; 22995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley wvalue = p_str[127] >> 3; 23095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(result,table_s,wvalue); 23195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley index = 1014; 23395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley while(index > -1) { /* loop for the remaining 127 windows */ 23595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 5); 23795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley wvalue = *((unsigned short*)&p_str[index/8]); 23995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley wvalue = (wvalue>> (index%8)) & 31; 24095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley index-=5; 24195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(a_inv,table_s,wvalue); /* borrow a_inv */ 24395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 24495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* square four times */ 24795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_sqr_avx2(result, result, m, k0, 4); 24895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley wvalue = p_str[0] & 15; 25095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_gather5_avx2(a_inv,table_s,wvalue); /* borrow a_inv */ 25295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, a_inv, m, k0); 25395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* from Montgomery */ 25595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_mul_avx2(result, result, one, m, k0); 25695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_1024_red2norm_avx2(result_norm, result); 25895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_cleanse(storage,sizeof(storage)); 26095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 26195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 26295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* 26395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * See crypto/bn/rsaz-x86_64.pl for further details. 26495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 26595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_512_mul(void *ret,const void *a,const void *b,const void *n,BN_ULONG k); 26695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_512_mul_scatter4(void *ret,const void *a,const void *n,BN_ULONG k,const void *tbl,unsigned int power); 26795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_512_mul_gather4(void *ret,const void *a,const void *tbl,const void *n,BN_ULONG k,unsigned int power); 26895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_512_mul_by_one(void *ret,const void *a,const void *n,BN_ULONG k); 26995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_512_sqr(void *ret,const void *a,const void *n,BN_ULONG k,int cnt); 27095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_512_scatter4(void *tbl, const BN_ULONG *val, int power); 27195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid rsaz_512_gather4(BN_ULONG *val, const void *tbl, int power); 27295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 27395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid RSAZ_512_mod_exp(BN_ULONG result[8], 27495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const BN_ULONG base[8], const BN_ULONG exponent[8], 27595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const BN_ULONG m[8], BN_ULONG k0, const BN_ULONG RR[8]) 27695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley{ 27795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char storage[16*8*8+64*2+64]; /* 1.2KB */ 27895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *table = storage + (64-((size_t)storage%64)); 27995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley BN_ULONG *a_inv = (BN_ULONG *)(table+16*8*8), 28095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *temp = (BN_ULONG *)(table+16*8*8+8*8); 28195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *p_str = (unsigned char*)exponent; 28295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int index; 28395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned int wvalue; 28495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 28595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table[0] = 1_inv */ 28695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley temp[0] = 0-m[0]; temp[1] = ~m[1]; 28795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley temp[2] = ~m[2]; temp[3] = ~m[3]; 28895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley temp[4] = ~m[4]; temp[5] = ~m[5]; 28995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley temp[6] = ~m[6]; temp[7] = ~m[7]; 29095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_scatter4(table, temp, 0); 29195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 29295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table [1] = a_inv^1 */ 29395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_mul(a_inv, base, RR, m, k0); 29495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_scatter4(table, a_inv, 1); 29595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 29695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* table [2] = a_inv^2 */ 29795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_sqr(temp, a_inv, m, k0, 1); 29895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_scatter4(table, temp, 2); 29995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 30095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for (index=3; index<16; index++) 30195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_mul_scatter4(temp, a_inv, m, k0, table, index); 30295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 30395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* load first window */ 30495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley wvalue = p_str[63]; 30595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 30695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_gather4(temp, table, wvalue>>4); 30795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_sqr(temp, temp, m, k0, 4); 30895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue&0xf); 30995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 31095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for (index=62; index>=0; index--) { 31195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley wvalue = p_str[index]; 31295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 31395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_sqr(temp, temp, m, k0, 4); 31495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue>>4); 31595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 31695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_sqr(temp, temp, m, k0, 4); 31795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue&0x0f); 31895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 31995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 32095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* from Montgomery */ 32195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley rsaz_512_mul_by_one(result, temp, m, k0); 32295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 32395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_cleanse(storage,sizeof(storage)); 32495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 32523b460df0275d7b1543d3b5e0a33b1660a501ce9Adam Langley 32623b460df0275d7b1543d3b5e0a33b1660a501ce9Adam Langley#endif /* OPENSSL_X86_64 */ 327