From e50b12c95cb12c8e8a5efcc1047747740fcf8e6a Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 5 Dec 2012 14:46:37 +0000 Subject: [PATCH] sha1sum: Use generic hash layer Update the code to use the hash layer instead of local code. Signed-off-by: Simon Glass --- common/cmd_sha1sum.c | 129 ++----------------------------------------- 1 file changed, 4 insertions(+), 125 deletions(-) diff --git a/common/cmd_sha1sum.c b/common/cmd_sha1sum.c index 8db5456c95..fe927ab248 100644 --- a/common/cmd_sha1sum.c +++ b/common/cmd_sha1sum.c @@ -26,73 +26,11 @@ #include #include +#include #include -/* - * Store the resulting sum to an address or variable - */ -static void store_result(const u8 *sum, const char *dest) -{ - unsigned int i; - - if (*dest == '*') { - u8 *ptr; - - ptr = (u8 *)simple_strtoul(dest + 1, NULL, 16); - for (i = 0; i < 20; i++) - *ptr++ = sum[i]; - } else { - char str_output[41]; - char *str_ptr = str_output; - - for (i = 0; i < 20; i++) { - sprintf(str_ptr, "%02x", sum[i]); - str_ptr += 2; - } - str_ptr = '\0'; - setenv(dest, str_output); - } -} - -#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 ac; char * const *av; @@ -102,75 +40,16 @@ int do_sha1sum(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) av = argv + 1; ac = argc - 1; +#ifdef CONFIG_SHA1SUM_VERIFY if (strcmp(*av, "-v") == 0) { verify = 1; av++; ac--; - if (ac < 3) - return CMD_RET_USAGE; } +#endif - 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"); - - if (ac > 2) - store_result(output, *av); - } 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; - } - } - - 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"); - - if (argc > 3) - store_result(output, argv[3]); - - return 0; + return hash_command("sha1", verify, cmdtp, flag, ac, av); } -#endif #ifdef CONFIG_SHA1SUM_VERIFY U_BOOT_CMD( -- 2.39.2