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Diffstat (limited to 'thirdparty/openssl/crypto/bn/rsaz_exp.c')
-rw-r--r--thirdparty/openssl/crypto/bn/rsaz_exp.c346
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
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-/*****************************************************************************
-* *
-* 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
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