* (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 <common.h>
#include <command.h>
+#include <malloc.h>
#include <hw_sha.h>
#include <hash.h>
#include <sha1.h>
#include <asm/io.h>
#include <asm/errno.h>
+#ifdef CONFIG_CMD_SHA1SUM
+static int hash_init_sha1(struct hash_algo *algo, void **ctxp)
+{
+ sha1_context *ctx = malloc(sizeof(sha1_context));
+ sha1_starts(ctx);
+ *ctxp = ctx;
+ return 0;
+}
+
+static int hash_update_sha1(struct hash_algo *algo, void *ctx, const void *buf,
+ unsigned int size, int is_last)
+{
+ sha1_update((sha1_context *)ctx, buf, size);
+ return 0;
+}
+
+static int hash_finish_sha1(struct hash_algo *algo, void *ctx, void *dest_buf,
+ int size)
+{
+ if (size < algo->digest_size)
+ return -1;
+
+ sha1_finish((sha1_context *)ctx, dest_buf);
+ free(ctx);
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_SHA256
+static int hash_init_sha256(struct hash_algo *algo, void **ctxp)
+{
+ sha256_context *ctx = malloc(sizeof(sha256_context));
+ sha256_starts(ctx);
+ *ctxp = ctx;
+ return 0;
+}
+
+static int hash_update_sha256(struct hash_algo *algo, void *ctx,
+ const void *buf, unsigned int size, int is_last)
+{
+ sha256_update((sha256_context *)ctx, buf, size);
+ return 0;
+}
+
+static int hash_finish_sha256(struct hash_algo *algo, void *ctx, void
+ *dest_buf, int size)
+{
+ if (size < algo->digest_size)
+ return -1;
+
+ sha256_finish((sha256_context *)ctx, dest_buf);
+ free(ctx);
+ return 0;
+}
+#endif
+
+static int hash_init_crc32(struct hash_algo *algo, void **ctxp)
+{
+ uint32_t *ctx = malloc(sizeof(uint32_t));
+ *ctx = 0;
+ *ctxp = ctx;
+ return 0;
+}
+
+static int hash_update_crc32(struct hash_algo *algo, void *ctx,
+ const void *buf, unsigned int size, int is_last)
+{
+ *((uint32_t *)ctx) = crc32(*((uint32_t *)ctx), buf, size);
+ return 0;
+}
+
+static int hash_finish_crc32(struct hash_algo *algo, void *ctx, void *dest_buf,
+ int size)
+{
+ if (size < algo->digest_size)
+ return -1;
+
+ *((uint32_t *)dest_buf) = *((uint32_t *)ctx);
+ free(ctx);
+ return 0;
+}
+
/*
* These are the hash algorithms we support. Chips which support accelerated
* crypto could perhaps add named version of these algorithms here. Note that
SHA1_SUM_LEN,
sha1_csum_wd,
CHUNKSZ_SHA1,
+ hash_init_sha1,
+ hash_update_sha1,
+ hash_finish_sha1,
},
#define MULTI_HASH
#endif
SHA256_SUM_LEN,
sha256_csum_wd,
CHUNKSZ_SHA256,
+ hash_init_sha256,
+ hash_update_sha256,
+ hash_finish_sha256,
},
#define MULTI_HASH
#endif
4,
crc32_wd_buf,
CHUNKSZ_CRC32,
+ hash_init_crc32,
+ hash_update_crc32,
+ hash_finish_crc32,
},
};
return 0;
}
-static struct hash_algo *find_hash_algo(const char *name)
+int hash_lookup_algo(const char *algo_name, struct hash_algo **algop)
{
int i;
for (i = 0; i < ARRAY_SIZE(hash_algo); i++) {
- if (!strcmp(name, hash_algo[i].name))
- return &hash_algo[i];
+ if (!strcmp(algo_name, hash_algo[i].name)) {
+ *algop = &hash_algo[i];
+ return 0;
+ }
}
- return NULL;
+ debug("Unknown hash algorithm '%s'\n", algo_name);
+ return -EPROTONOSUPPORT;
}
static void show_hash(struct hash_algo *algo, ulong addr, ulong len,
uint8_t *output, int *output_size)
{
struct hash_algo *algo;
+ int ret;
+
+ ret = hash_lookup_algo(algo_name, &algo);
+ if (ret)
+ return ret;
- 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);
u8 vsum[HASH_MAX_DIGEST_SIZE];
void *buf;
- algo = find_hash_algo(algo_name);
- if (!algo) {
+ if (hash_lookup_algo(algo_name, &algo)) {
printf("Unknown hash algorithm '%s'\n", algo_name);
return CMD_RET_USAGE;
}
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;
}
}