is a toolkit implementing the Transport Layer Security (TLS) protocols (including SSLv3) as well as a full-strength general purpose cryptographic library. Long Term Support (LTS) version (includes support for TLSv1.3).
| rsaz_exp.c (openssl-1.1.1o) | : | rsaz_exp.c (openssl-1.1.1p) |
|---|
| /* | | /* |
|
| * Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved. | | * Copyright 2013-2022 The OpenSSL Project Authors. All Rights Reserved. |
| * Copyright (c) 2012, Intel Corporation. All Rights Reserved. | | * Copyright (c) 2012, Intel Corporation. All Rights Reserved. |
| * | | * |
| * Licensed under the OpenSSL license (the "License"). You may not use | | * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy | | * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at | | * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html | | * https://www.openssl.org/source/license.html |
| * | | * |
| * Originally written by Shay Gueron (1, 2), and Vlad Krasnov (1) | | * Originally written by Shay Gueron (1, 2), and Vlad Krasnov (1) |
| * (1) Intel Corporation, Israel Development Center, Haifa, Israel | | * (1) Intel Corporation, Israel Development Center, Haifa, Israel |
| * (2) University of Haifa, Israel | | * (2) University of Haifa, Israel |
| | |
| skipping to change at line 69 | | skipping to change at line 69 |
|---|
| const BN_ULONG m_norm[16], const BN_ULONG RR[16], | | const BN_ULONG m_norm[16], const BN_ULONG RR[16], |
| BN_ULONG k0) | | BN_ULONG k0) |
| { | | { |
| unsigned char storage[320 * 3 + 32 * 9 * 16 + 64]; /* 5.5KB */ | | unsigned char storage[320 * 3 + 32 * 9 * 16 + 64]; /* 5.5KB */ |
| unsigned char *p_str = storage + (64 - ((size_t)storage % 64)); | | unsigned char *p_str = storage + (64 - ((size_t)storage % 64)); |
| unsigned char *a_inv, *m, *result; | | unsigned char *a_inv, *m, *result; |
| unsigned char *table_s = p_str + 320 * 3; | | unsigned char *table_s = p_str + 320 * 3; |
| unsigned char *R2 = table_s; /* borrow */ | | unsigned char *R2 = table_s; /* borrow */ |
| int index; | | int index; |
| int wvalue; | | int wvalue; |
|
| | BN_ULONG tmp[16]; |
| | |
| if ((((size_t)p_str & 4095) + 320) >> 12) { | | if ((((size_t)p_str & 4095) + 320) >> 12) { |
| result = p_str; | | result = p_str; |
| a_inv = p_str + 320; | | a_inv = p_str + 320; |
| m = p_str + 320 * 2; /* should not cross page */ | | m = p_str + 320 * 2; /* should not cross page */ |
| } else { | | } else { |
| m = p_str; /* should not cross page */ | | m = p_str; /* should not cross page */ |
| result = p_str + 320; | | result = p_str + 320; |
| a_inv = p_str + 320 * 2; | | a_inv = p_str + 320 * 2; |
| } | | } |
| | |
| skipping to change at line 240 | | skipping to change at line 241 |
|---|
| wvalue = p_str[0] & 15; | | wvalue = p_str[0] & 15; |
| | |
| rsaz_1024_gather5_avx2(a_inv, table_s, wvalue); /* borrow a_inv */ | | rsaz_1024_gather5_avx2(a_inv, table_s, wvalue); /* borrow a_inv */ |
| rsaz_1024_mul_avx2(result, result, a_inv, m, k0); | | rsaz_1024_mul_avx2(result, result, a_inv, m, k0); |
| | |
| /* from Montgomery */ | | /* from Montgomery */ |
| rsaz_1024_mul_avx2(result, result, one, m, k0); | | rsaz_1024_mul_avx2(result, result, one, m, k0); |
| | |
| rsaz_1024_red2norm_avx2(result_norm, result); | | rsaz_1024_red2norm_avx2(result_norm, result); |
| | |
|
| | bn_reduce_once_in_place(result_norm, /*carry=*/0, m_norm, tmp, 16); |
| | |
| OPENSSL_cleanse(storage, sizeof(storage)); | | OPENSSL_cleanse(storage, sizeof(storage)); |
|
| | OPENSSL_cleanse(tmp, sizeof(tmp)); |
| } | | } |
| | |
| /* | | /* |
| * See crypto/bn/rsaz-x86_64.pl for further details. | | * 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, | | void rsaz_512_mul(void *ret, const void *a, const void *b, const void *n, |
| BN_ULONG k); | | BN_ULONG k); |
| void rsaz_512_mul_scatter4(void *ret, const void *a, const void *n, | | void rsaz_512_mul_scatter4(void *ret, const void *a, const void *n, |
| BN_ULONG k, const void *tbl, unsigned int power); | | BN_ULONG k, const void *tbl, unsigned int power); |
| void rsaz_512_mul_gather4(void *ret, const void *a, const void *tbl, | | void rsaz_512_mul_gather4(void *ret, const void *a, const void *tbl, |
| | |
| skipping to change at line 269 | | skipping to change at line 273 |
|---|
| const BN_ULONG base[8], const BN_ULONG exponent[8], | | const BN_ULONG base[8], const BN_ULONG exponent[8], |
| const BN_ULONG m[8], BN_ULONG k0, const BN_ULONG RR[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 storage[16 * 8 * 8 + 64 * 2 + 64]; /* 1.2KB */ |
| unsigned char *table = storage + (64 - ((size_t)storage % 64)); | | unsigned char *table = storage + (64 - ((size_t)storage % 64)); |
| BN_ULONG *a_inv = (BN_ULONG *)(table + 16 * 8 * 8); | | BN_ULONG *a_inv = (BN_ULONG *)(table + 16 * 8 * 8); |
| BN_ULONG *temp = (BN_ULONG *)(table + 16 * 8 * 8 + 8 * 8); | | BN_ULONG *temp = (BN_ULONG *)(table + 16 * 8 * 8 + 8 * 8); |
| unsigned char *p_str = (unsigned char *)exponent; | | unsigned char *p_str = (unsigned char *)exponent; |
| int index; | | int index; |
| unsigned int wvalue; | | unsigned int wvalue; |
|
| | BN_ULONG tmp[8]; |
| | |
| /* table[0] = 1_inv */ | | /* table[0] = 1_inv */ |
| temp[0] = 0 - m[0]; | | temp[0] = 0 - m[0]; |
| temp[1] = ~m[1]; | | temp[1] = ~m[1]; |
| temp[2] = ~m[2]; | | temp[2] = ~m[2]; |
| temp[3] = ~m[3]; | | temp[3] = ~m[3]; |
| temp[4] = ~m[4]; | | temp[4] = ~m[4]; |
| temp[5] = ~m[5]; | | temp[5] = ~m[5]; |
| temp[6] = ~m[6]; | | temp[6] = ~m[6]; |
| temp[7] = ~m[7]; | | temp[7] = ~m[7]; |
| | |
| skipping to change at line 312 | | skipping to change at line 317 |
|---|
| rsaz_512_sqr(temp, temp, m, k0, 4); | | rsaz_512_sqr(temp, temp, m, k0, 4); |
| rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue >> 4); | | rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue >> 4); |
| | |
| rsaz_512_sqr(temp, temp, m, k0, 4); | | rsaz_512_sqr(temp, temp, m, k0, 4); |
| rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue & 0x0f); | | rsaz_512_mul_gather4(temp, temp, table, m, k0, wvalue & 0x0f); |
| } | | } |
| | |
| /* from Montgomery */ | | /* from Montgomery */ |
| rsaz_512_mul_by_one(result, temp, m, k0); | | rsaz_512_mul_by_one(result, temp, m, k0); |
| | |
|
| | bn_reduce_once_in_place(result, /*carry=*/0, m, tmp, 8); |
| | |
| OPENSSL_cleanse(storage, sizeof(storage)); | | OPENSSL_cleanse(storage, sizeof(storage)); |
|
| | OPENSSL_cleanse(tmp, sizeof(tmp)); |
| } | | } |
| | |
| #endif | | #endif |
| | | |
| End of changes. 7 change blocks. |
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| 1 lines changed or deleted | | 9 lines changed or added |
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