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Tried to find sha1_crypt - nope... ok, save few bytes in md5_sha1_sum.c

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(time to sleep, 02:28 in the morning)...
This commit is contained in:
Denis Vlasenko 2006-09-28 00:29:00 +00:00
parent de9ec92958
commit 524176680d
2 changed files with 25 additions and 28 deletions
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20
coreutils/md5_sha1_sum.c
View File

@ -16,7 +16,7 @@ typedef enum { HASH_SHA1, HASH_MD5 } hash_algo_t;
/* This might be useful elsewhere */ /* This might be useful elsewhere */
static unsigned char *hash_bin_to_hex(unsigned char *hash_value, static unsigned char *hash_bin_to_hex(unsigned char *hash_value,
unsigned char hash_length) unsigned char hash_length)
{ {
int x, len, max; int x, len, max;
unsigned char *hex_value; unsigned char *hex_value;
@ -86,11 +86,9 @@ int md5_sha1_sum_main(int argc, char **argv)
int return_value = EXIT_SUCCESS; int return_value = EXIT_SUCCESS;
uint8_t *hash_value; uint8_t *hash_value;
unsigned int flags; unsigned int flags;
hash_algo_t hash_algo = ENABLE_MD5SUM ? hash_algo_t hash_algo = ENABLE_MD5SUM
(ENABLE_SHA1SUM ? ? (ENABLE_SHA1SUM ? (**argv=='m' ? HASH_MD5 : HASH_SHA1) : HASH_MD5)
(**argv=='m' ? HASH_MD5 : HASH_SHA1) : HASH_SHA1;
: HASH_MD5)
: HASH_SHA1;
if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK) if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK)
flags = bb_getopt_ulflags(argc, argv, "scw"); flags = bb_getopt_ulflags(argc, argv, "scw");
@ -99,10 +97,10 @@ int md5_sha1_sum_main(int argc, char **argv)
if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK && !(flags & FLAG_CHECK)) { if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK && !(flags & FLAG_CHECK)) {
if (flags & FLAG_SILENT) { if (flags & FLAG_SILENT) {
bb_error_msg_and_die bb_error_msg_and_die
("the -s option is meaningful only when verifying checksums"); ("-%c is meaningful only when verifying checksums", 's');
} else if (flags & FLAG_WARN) { } else if (flags & FLAG_WARN) {
bb_error_msg_and_die bb_error_msg_and_die
("the -w option is meaningful only when verifying checksums"); ("-%c is meaningful only when verifying checksums", 'w');
} }
} }
@ -135,7 +133,7 @@ int md5_sha1_sum_main(int argc, char **argv)
filename_ptr = strstr(line, " "); filename_ptr = strstr(line, " ");
if (filename_ptr == NULL) { if (filename_ptr == NULL) {
if (flags & FLAG_WARN) { if (flags & FLAG_WARN) {
bb_error_msg("Invalid format"); bb_error_msg("invalid format");
} }
count_failed++; count_failed++;
return_value = EXIT_FAILURE; return_value = EXIT_FAILURE;
@ -165,7 +163,7 @@ int md5_sha1_sum_main(int argc, char **argv)
count_failed, count_total); count_failed, count_total);
} }
if (bb_fclose_nonstdin(pre_computed_stream) == EOF) { if (bb_fclose_nonstdin(pre_computed_stream) == EOF) {
bb_perror_msg_and_die("Couldnt close file %s", file_ptr); bb_perror_msg_and_die("cannot close file %s", file_ptr);
} }
} else { } else {
while (optind < argc) { while (optind < argc) {
@ -180,5 +178,5 @@ int md5_sha1_sum_main(int argc, char **argv)
} }
} }
} }
return (return_value); return return_value;
} }

33
libbb/sha1.c
View File

@ -26,27 +26,28 @@
#include "libbb.h" #include "libbb.h"
# define SHA1_BLOCK_SIZE 64 #define SHA1_BLOCK_SIZE 64
# define SHA1_DIGEST_SIZE 20 #define SHA1_DIGEST_SIZE 20
# define SHA1_HASH_SIZE SHA1_DIGEST_SIZE #define SHA1_HASH_SIZE SHA1_DIGEST_SIZE
# define SHA2_GOOD 0 #define SHA2_GOOD 0
# define SHA2_BAD 1 #define SHA2_BAD 1
# define rotl32(x,n) (((x) << n) | ((x) >> (32 - n))) #define rotl32(x,n) (((x) << n) | ((x) >> (32 - n)))
# define SHA1_MASK (SHA1_BLOCK_SIZE - 1) #define SHA1_MASK (SHA1_BLOCK_SIZE - 1)
/* reverse byte order in 32-bit words */ /* reverse byte order in 32-bit words */
#define ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z)))) #define ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
#define parity(x,y,z) ((x) ^ (y) ^ (z)) #define parity(x,y,z) ((x) ^ (y) ^ (z))
#define maj(x,y,z) (((x) & (y)) | ((z) & ((x) | (y)))) #define maj(x,y,z) (((x) & (y)) | ((z) & ((x) | (y))))
/* A normal version as set out in the FIPS. This version uses */ /* A normal version as set out in the FIPS. This version uses */
/* partial loop unrolling and is optimised for the Pentium 4 */ /* partial loop unrolling and is optimised for the Pentium 4 */
# define rnd(f,k) \ #define rnd(f,k) \
t = a; a = rotl32(a,5) + f(b,c,d) + e + k + w[i]; \ do { \
e = d; d = c; c = rotl32(b, 30); b = t t = a; a = rotl32(a,5) + f(b,c,d) + e + k + w[i]; \
e = d; d = c; c = rotl32(b, 30); b = t; \
} while(0)
static void sha1_compile(sha1_ctx_t *ctx) static void sha1_compile(sha1_ctx_t *ctx)
{ {
@ -160,7 +161,7 @@ void *sha1_end(void *resbuf, sha1_ctx_t *ctx)
ctx->wbuf[cnt++] = 0; ctx->wbuf[cnt++] = 0;
/* assemble the eight byte counter in the buffer in big-endian */ /* assemble the eight byte counter in the buffer in big-endian */
/* format */ /* format */
ctx->wbuf[14] = htonl((ctx->count[1] << 3) | (ctx->count[0] >> 29)); ctx->wbuf[14] = htonl((ctx->count[1] << 3) | (ctx->count[0] >> 29));
ctx->wbuf[15] = htonl(ctx->count[0] << 3); ctx->wbuf[15] = htonl(ctx->count[0] << 3);
@ -175,5 +176,3 @@ void *sha1_end(void *resbuf, sha1_ctx_t *ctx)
return resbuf; return resbuf;
} }