#include <common.h>
#include <command.h>
+#include <hash.h>
#include <sha1.h>
-#ifdef CONFIG_SHA1SUM_VERIFY
-static int parse_verify_sum(char *verify_str, u8 *vsum)
-{
- if (*verify_str == '*') {
- u8 *ptr;
-
- ptr = (u8 *)simple_strtoul(verify_str + 1, NULL, 16);
- memcpy(vsum, ptr, 20);
- } else {
- unsigned int i;
- char *vsum_str;
-
- if (strlen(verify_str) == 40)
- vsum_str = verify_str;
- else {
- vsum_str = getenv(verify_str);
- if (vsum_str == NULL || strlen(vsum_str) != 40)
- return 1;
- }
-
- for (i = 0; i < 20; i++) {
- char *nullp = vsum_str + (i + 1) * 2;
- char end = *nullp;
-
- *nullp = '\0';
- *(u8 *)(vsum + i) =
- simple_strtoul(vsum_str + (i * 2), NULL, 16);
- *nullp = end;
- }
- }
- return 0;
-}
-
int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- ulong addr, len;
- unsigned int i;
- u8 output[20];
- u8 vsum[20];
- int verify = 0;
+ int flags = HASH_FLAG_ENV;
int ac;
char * const *av;
av = argv + 1;
ac = argc - 1;
+#ifdef CONFIG_SHA1SUM_VERIFY
if (strcmp(*av, "-v") == 0) {
- verify = 1;
+ flags |= HASH_FLAG_VERIFY;
av++;
ac--;
- if (ac < 3)
- return CMD_RET_USAGE;
- }
-
- addr = simple_strtoul(*av++, NULL, 16);
- len = simple_strtoul(*av++, NULL, 16);
-
- sha1_csum_wd((unsigned char *) addr, len, output, CHUNKSZ_SHA1);
-
- if (!verify) {
- printf("SHA1 for %08lx ... %08lx ==> ", addr, addr + len - 1);
- for (i = 0; i < 20; i++)
- printf("%02x", output[i]);
- printf("\n");
- } else {
- char *verify_str = *av++;
-
- if (parse_verify_sum(verify_str, vsum)) {
- printf("ERROR: %s does not contain a valid SHA1 sum\n",
- verify_str);
- return 1;
- }
- if (memcmp(output, vsum, 20) != 0) {
- printf("SHA1 for %08lx ... %08lx ==> ", addr,
- addr + len - 1);
- for (i = 0; i < 20; i++)
- printf("%02x", output[i]);
- printf(" != ");
- for (i = 0; i < 20; i++)
- printf("%02x", vsum[i]);
- printf(" ** ERROR **\n");
- return 1;
- }
}
+#endif
- return 0;
-}
-#else
-static int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- unsigned long addr, len;
- unsigned int i;
- u8 output[20];
-
- if (argc < 3)
- return CMD_RET_USAGE;
-
- addr = simple_strtoul(argv[1], NULL, 16);
- len = simple_strtoul(argv[2], NULL, 16);
-
- sha1_csum_wd((unsigned char *) addr, len, output, CHUNKSZ_SHA1);
- printf("SHA1 for %08lx ... %08lx ==> ", addr, addr + len - 1);
- for (i = 0; i < 20; i++)
- printf("%02x", output[i]);
- printf("\n");
-
- return 0;
+ return hash_command("sha1", flags, cmdtp, flag, ac, av);
}
-#endif
#ifdef CONFIG_SHA1SUM_VERIFY
U_BOOT_CMD(
sha1sum, 5, 1, do_sha1sum,
"compute SHA1 message digest",
- "address count\n"
- " - compute SHA1 message digest\n"
+ "address count [[*]sum]\n"
+ " - compute SHA1 message digest [save to sum]\n"
"sha1sum -v address count [*]sum\n"
" - verify sha1sum of memory area"
);
#else
U_BOOT_CMD(
- sha1sum, 3, 1, do_sha1sum,
+ sha1sum, 4, 1, do_sha1sum,
"compute SHA1 message digest",
- "address count"
+ "address count [[*]sum]\n"
+ " - compute SHA1 message digest [save to sum]"
);
#endif