diff options
Diffstat (limited to 'core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce.c')
-rw-r--r-- | core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce.c b/core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce.c deleted file mode 100644 index 1ecd7b4a..00000000 --- a/core/lib/libtomcrypt/src/hashes/sha2/sha256_armv8a_ce.c +++ /dev/null @@ -1,218 +0,0 @@ -// SPDX-License-Identifier: BSD-2-Clause -/* - * Copyright (c) 2015, Linaro Limited - * All rights reserved. - * Copyright (c) 2001-2007, Tom St Denis - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * 2. 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. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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. - */ - -/* LibTomCrypt, modular cryptographic library -- Tom St Denis - * - * LibTomCrypt is a library that provides various cryptographic - * algorithms in a highly modular and flexible manner. - * - * The library is free for all purposes without any express - * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtom.org - */ -#include <tomcrypt_private.h> -#include "tomcrypt_arm_neon.h" - -/** - @file sha256_arm32_ce.c - LTC_SHA256_ARM32_CE -*/ - -#if defined(LTC_SHA256_ARM32_CE) || defined(LTC_SHA256_ARM64_CE) - -const struct ltc_hash_descriptor sha256_desc = -{ - "sha256", - 0, - 32, - 64, - - /* OID */ - { 2, 16, 840, 1, 101, 3, 4, 2, 1, }, - 9, - - &sha256_init, - &sha256_process, - &sha256_done, - &sha256_test, - NULL -}; - - -/* Implemented in assembly */ -int sha256_ce_transform(ulong32 *state, const unsigned char *buf, int blocks); - -static int sha256_compress_nblocks(hash_state *md, const unsigned char *buf, - int blocks) -{ - struct tomcrypt_arm_neon_state state; - - tomcrypt_arm_neon_enable(&state); - sha256_ce_transform(md->sha256.state, buf, blocks); - tomcrypt_arm_neon_disable(&state); - return CRYPT_OK; -} - -static int sha256_compress(hash_state *md, const unsigned char *buf) -{ - return sha256_compress_nblocks(md, buf, 1); -} - -/** - Initialize the hash state - @param md The hash state you wish to initialize - @return CRYPT_OK if successful -*/ -int sha256_init(hash_state * md) -{ - LTC_ARGCHK(md != NULL); - - md->sha256.curlen = 0; - md->sha256.length = 0; - md->sha256.state[0] = 0x6A09E667UL; - md->sha256.state[1] = 0xBB67AE85UL; - md->sha256.state[2] = 0x3C6EF372UL; - md->sha256.state[3] = 0xA54FF53AUL; - md->sha256.state[4] = 0x510E527FUL; - md->sha256.state[5] = 0x9B05688CUL; - md->sha256.state[6] = 0x1F83D9ABUL; - md->sha256.state[7] = 0x5BE0CD19UL; - return CRYPT_OK; -} - -/** - Process a block of memory though the hash - @param md The hash state - @param in The data to hash - @param inlen The length of the data (octets) - @return CRYPT_OK if successful -*/ -HASH_PROCESS_NBLOCKS(sha256_process, sha256_compress_nblocks, sha256, 64) - -/** - Terminate the hash to get the digest - @param md The hash state - @param out [out] The destination of the hash (32 bytes) - @return CRYPT_OK if successful -*/ -int sha256_done(hash_state * md, unsigned char *out) -{ - int i; - - LTC_ARGCHK(md != NULL); - LTC_ARGCHK(out != NULL); - - if (md->sha256.curlen >= sizeof(md->sha256.buf)) { - return CRYPT_INVALID_ARG; - } - - - /* increase the length of the message */ - md->sha256.length += md->sha256.curlen * 8; - - /* append the '1' bit */ - md->sha256.buf[md->sha256.curlen++] = (unsigned char)0x80; - - /* if the length is currently above 56 bytes we append zeros - * then compress. Then we can fall back to padding zeros and length - * encoding like normal. - */ - if (md->sha256.curlen > 56) { - while (md->sha256.curlen < 64) { - md->sha256.buf[md->sha256.curlen++] = (unsigned char)0; - } - sha256_compress(md, md->sha256.buf); - md->sha256.curlen = 0; - } - - /* pad upto 56 bytes of zeroes */ - while (md->sha256.curlen < 56) { - md->sha256.buf[md->sha256.curlen++] = (unsigned char)0; - } - - /* store length */ - STORE64H(md->sha256.length, md->sha256.buf+56); - sha256_compress(md, md->sha256.buf); - - /* copy output */ - for (i = 0; i < 8; i++) { - STORE32H(md->sha256.state[i], out+(4*i)); - } -#ifdef LTC_CLEAN_STACK - zeromem(md, sizeof(hash_state)); -#endif - return CRYPT_OK; -} - -/** - Self-test the hash - @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled -*/ -int sha256_test(void) -{ - #ifndef LTC_TEST - return CRYPT_NOP; - #else - static const struct { - const char *msg; - unsigned char hash[32]; - } tests[] = { - { "abc", - { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, - 0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23, - 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c, - 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad } - }, - { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", - { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, - 0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39, - 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67, - 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 } - }, - }; - - int i; - unsigned char tmp[32]; - hash_state md; - - for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) { - sha256_init(&md); - sha256_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg)); - sha256_done(&md, tmp); - if (XMEMCMP(tmp, tests[i].hash, 32) != 0) { - return CRYPT_FAIL_TESTVECTOR; - } - } - return CRYPT_OK; - #endif -} - -#endif |