X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fhash.c;h=872cd8542800895cd94f13d5290fd1a82c3e9cf7;hb=006e73b9cafde9287912c4699091f3b1f07d3f97;hp=f5badcb930075c3f535b162507a707492e8a2e70;hpb=6579d15c58e2b6b051f126ea8b77dd767252aa14;p=u-boot diff --git a/common/hash.c b/common/hash.c index f5badcb930..872cd85428 100644 --- a/common/hash.c +++ b/common/hash.c @@ -7,28 +7,17 @@ * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include #include +#include #include #include #include #include +#include /* * These are the hash algorithms we support. Chips which support accelerated @@ -36,6 +25,23 @@ * algorithm names must be in lower case. */ static struct hash_algo hash_algo[] = { + /* + * CONFIG_SHA_HW_ACCEL is defined if hardware acceleration is + * available. + */ +#ifdef CONFIG_SHA_HW_ACCEL + { + "sha1", + SHA1_SUM_LEN, + hw_sha1, + CHUNKSZ_SHA1, + }, { + "sha256", + SHA256_SUM_LEN, + hw_sha256, + CHUNKSZ_SHA256, + }, +#endif /* * This is CONFIG_CMD_SHA1SUM instead of CONFIG_SHA1 since otherwise * it bloats the code for boards which use SHA1 but not the 'hash' @@ -220,6 +226,28 @@ static void show_hash(struct hash_algo *algo, ulong addr, ulong len, printf("%02x", output[i]); } +int hash_block(const char *algo_name, const void *data, unsigned int len, + uint8_t *output, int *output_size) +{ + struct hash_algo *algo; + + algo = find_hash_algo(algo_name); + if (!algo) { + debug("Unknown hash algorithm '%s'\n", algo_name); + return -EPROTONOSUPPORT; + } + if (output_size && *output_size < algo->digest_size) { + debug("Output buffer size %d too small (need %d bytes)", + *output_size, algo->digest_size); + return -ENOSPC; + } + if (output_size) + *output_size = algo->digest_size; + algo->hash_func_ws(data, len, output, algo->chunk_size); + + return 0; +} + int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -297,8 +325,8 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag, printf("CRC32 for %08lx ... %08lx ==> %08lx\n", addr, addr + len - 1, crc); - if (argc > 3) { - ptr = (ulong *)simple_strtoul(argv[3], NULL, 16); + if (argc >= 3) { + ptr = (ulong *)simple_strtoul(argv[0], NULL, 16); *ptr = crc; } }