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Diffstat (limited to 'thirdparty/openssl/crypto/bn/rsaz_exp.c')
| -rw-r--r-- | thirdparty/openssl/crypto/bn/rsaz_exp.c | 346 |
1 files changed, 0 insertions, 346 deletions
diff --git a/thirdparty/openssl/crypto/bn/rsaz_exp.c b/thirdparty/openssl/crypto/bn/rsaz_exp.c deleted file mode 100644 index c54c6feb51..0000000000 --- a/thirdparty/openssl/crypto/bn/rsaz_exp.c +++ /dev/null @@ -1,346 +0,0 @@ -/***************************************************************************** -* * -* Copyright (c) 2012, Intel Corporation * -* * -* 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. * -* * -* * Neither the name of the Intel Corporation nor the names of its * -* contributors may be used to endorse or promote products derived from * -* this software without specific prior written permission. * -* * -* * -* THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION ""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 INTEL CORPORATION 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. * -* * -****************************************************************************** -* Developers and authors: * -* Shay Gueron (1, 2), and Vlad Krasnov (1) * -* (1) Intel Corporation, Israel Development Center, Haifa, Israel * -* (2) University of Haifa, Israel * -*****************************************************************************/ - -#include "rsaz_exp.h" - -#ifdef RSAZ_ENABLED - -/* - * See crypto/bn/asm/rsaz-avx2.pl for further details. - */ -void rsaz_1024_norm2red_avx2(void *red, const void *norm); -void rsaz_1024_mul_avx2(void *ret, const void *a, const void *b, - const void *n, BN_ULONG k); -void rsaz_1024_sqr_avx2(void *ret, const void *a, const void *n, BN_ULONG k, - int cnt); -void rsaz_1024_scatter5_avx2(void *tbl, const void *val, int i); -void rsaz_1024_gather5_avx2(void *val, const void *tbl, int i); -void rsaz_1024_red2norm_avx2(void *norm, const void *red); - -#if defined(__GNUC__) -# define ALIGN64 __attribute__((aligned(64))) -#elif defined(_MSC_VER) -# define ALIGN64 __declspec(align(64)) -#elif defined(__SUNPRO_C) -# define ALIGN64 -# pragma align 64(one,two80) -#else -/* not fatal, might hurt performance a little */ -# define ALIGN64 -#endif - -ALIGN64 static const BN_ULONG one[40] = { - 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 -}; - -ALIGN64 static const BN_ULONG two80[40] = { - 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 -}; - -void RSAZ_1024_mod_exp_avx2(BN_ULONG result_norm[16], - const BN_ULONG base_norm[16], - const BN_ULONG exponent[16], - const BN_ULONG m_norm[16], const BN_ULONG RR[16], - BN_ULONG k0) -{ - unsigned char storage[320 * 3 + 32 * 9 * 16 + 64]; /* 5.5KB */ - unsigned char *p_str = storage + (64 - ((size_t)storage % 64)); - unsigned char *a_inv, *m, *result; - unsigned char *table_s = p_str + 320 * 3; - unsigned char *R2 = table_s; /* borrow */ - int index; - int wvalue; - - if ((((size_t)p_str & 4095) + 320) >> 12) { - result = p_str; - a_inv = p_str + 320; - m = p_str + 320 * 2; /* should not cross page */ - } else { - m = p_str; /* should not cross page */ - result = p_str + 320; - a_inv = p_str + 320 * 2; - } - - rsaz_1024_norm2red_avx2(m, m_norm); - rsaz_1024_norm2red_avx2(a_inv, base_norm); - rsaz_1024_norm2red_avx2(R2, RR); - - rsaz_1024_mul_avx2(R2, R2, R2, m, k0); - rsaz_1024_mul_avx2(R2, R2, two80, m, k0); - - /* table[0] = 1 */ - rsaz_1024_mul_avx2(result, R2, one, m, k0); - /* table[1] = a_inv^1 */ - rsaz_1024_mul_avx2(a_inv, a_inv, R2, m, k0); - - rsaz_1024_scatter5_avx2(table_s, result, 0); - rsaz_1024_scatter5_avx2(table_s, a_inv, 1); - - /* table[2] = a_inv^2 */ - rsaz_1024_sqr_avx2(result, a_inv, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 2); -#if 0 - /* this is almost 2x smaller and less than 1% slower */ - for (index = 3; index < 32; index++) { - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, index); - } -#else - /* table[4] = a_inv^4 */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 4); - /* table[8] = a_inv^8 */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 8); - /* table[16] = a_inv^16 */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 16); - /* table[17] = a_inv^17 */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 17); - - /* table[3] */ - rsaz_1024_gather5_avx2(result, table_s, 2); - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 3); - /* table[6] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 6); - /* table[12] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 12); - /* table[24] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 24); - /* table[25] */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 25); - - /* table[5] */ - rsaz_1024_gather5_avx2(result, table_s, 4); - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 5); - /* table[10] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 10); - /* table[20] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 20); - /* table[21] */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 21); - - /* table[7] */ - rsaz_1024_gather5_avx2(result, table_s, 6); - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 7); - /* table[14] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 14); - /* table[28] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 28); - /* table[29] */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 29); - - /* table[9] */ - rsaz_1024_gather5_avx2(result, table_s, 8); - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 9); - /* table[18] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 18); - /* table[19] */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 19); - - /* table[11] */ - rsaz_1024_gather5_avx2(result, table_s, 10); - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 11); - /* table[22] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 22); - /* table[23] */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 23); - - /* table[13] */ - rsaz_1024_gather5_avx2(result, table_s, 12); - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 13); - /* table[26] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 26); - /* table[27] */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 27); - - /* table[15] */ - rsaz_1024_gather5_avx2(result, table_s, 14); - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 15); - /* table[30] */ - rsaz_1024_sqr_avx2(result, result, m, k0, 1); - rsaz_1024_scatter5_avx2(table_s, result, 30); - /* table[31] */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - rsaz_1024_scatter5_avx2(table_s, result, 31); -#endif - - /* load first window */ - p_str = (unsigned char *)exponent; - wvalue = p_str[127] >> 3; - rsaz_1024_gather5_avx2(result, table_s, wvalue); - - index = 1014; - - while (index > -1) { /* loop for the remaining 127 windows */ - - rsaz_1024_sqr_avx2(result, result, m, k0, 5); - - wvalue = *((unsigned short *)&p_str[index / 8]); - wvalue = (wvalue >> (index % 8)) & 31; - index -= 5; - - rsaz_1024_gather5_avx2(a_inv, table_s, wvalue); /* borrow a_inv */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - } - - /* square four times */ - rsaz_1024_sqr_avx2(result, result, m, k0, 4); - - wvalue = p_str[0] & 15; - - rsaz_1024_gather5_avx2(a_inv, table_s, wvalue); /* borrow a_inv */ - rsaz_1024_mul_avx2(result, result, a_inv, m, k0); - - /* from Montgomery */ - rsaz_1024_mul_avx2(result, result, one, m, k0); - - rsaz_1024_red2norm_avx2(result_norm, result); - - OPENSSL_cleanse(storage, sizeof(storage)); -} - -/* - * See crypto/bn/rsaz-x86_64.pl for further details. - */ -void rsaz_512_mul(void *ret, const void *a, const void *b, const void *n, - BN_ULONG k); -void rsaz_512_mul_scatter4(void *ret, const void *a, const void *n, - BN_ULONG k, const void *tbl, unsigned int power); -void rsaz_512_mul_gather4(void *ret, const void *a, const void *tbl, - const void *n, BN_ULONG k, unsigned int power); -void rsaz_512_mul_by_one(void *ret, const void *a, const void *n, BN_ULONG k); -void rsaz_512_sqr(void *ret, const void *a, const void *n, BN_ULONG k, - int cnt); -void rsaz_512_scatter4(void *tbl, const BN_ULONG *val, int power); -void rsaz_512_gather4(BN_ULONG *val, const void *tbl, int power); - -void RSAZ_512_mod_exp(BN_ULONG result[8], - const BN_ULONG base[8], const BN_ULONG exponent[8], - const BN_ULONG m[8], BN_ULONG k0, const BN_ULONG RR[8]) -{ - unsigned char storage[16 * 8 * 8 + 64 * 2 + 64]; /* 1.2KB */ - unsigned char *table = storage + (64 - ((size_t)storage % 64)); - BN_ULONG *a_inv = (BN_ULONG *)(table + 16 * 8 * 8); - BN_ULONG *temp = (BN_ULONG *)(table + 16 * 8 * 8 + 8 * 8); - unsigned char *p_str = (unsigned char *)exponent; - int index; - unsigned int wvalue; - - /* table[0] = 1_inv */ - temp[0] = 0 - m[0]; - temp[1] = ~m[1]; - temp[2] = ~m[2]; - temp[3] = ~m[3]; - temp[4] = ~m[4]; - temp[5] = ~m[5]; - temp[6] = ~m[6]; - temp[7] = ~m[7]; - rsaz_512_scatter4(table, temp, 0); - - /* table [1] = a_inv^1 */ - rsaz_512_mul(a_inv, base, RR, m, k0); - rsaz_512_scatter4(table, a_inv, 1); - - /* table [2] = a_inv^2 */ - rsaz_512_sqr(temp, a_inv, m, k0, 1); - rsaz_512_scatter4(table, temp, 2); - - for (index = 3; index < 16; index++) - rsaz_512_mul_scatter4(temp, a_inv, m, k0, table, index); - - /* load first window */ - wvalue = p_str[63]; - - rsaz_512_gather4(temp, table, wvalue >> 4); - rsaz_512_sqr(temp, temp, m, k0, 4); - rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue & 0xf); - - for (index = 62; index >= 0; index--) { - wvalue = p_str[index]; - - rsaz_512_sqr(temp, temp, m, k0, 4); - rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue >> 4); - - rsaz_512_sqr(temp, temp, m, k0, 4); - rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue & 0x0f); - } - - /* from Montgomery */ - rsaz_512_mul_by_one(result, temp, m, k0); - - OPENSSL_cleanse(storage, sizeof(storage)); -} - -#else - -# if defined(PEDANTIC) || defined(__DECC) || defined(__clang__) -static void *dummy = &dummy; -# endif - -#endif |