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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2021-12-28 09:05:12 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2021-12-28 09:05:12 +0100 |
| commit | f1d06462e872270f38c497e36f8cd018ee7415bf (patch) | |
| tree | d5c905ac5cdd80cc892d6154dda3b5e78b074a38 | |
| parent | 44075929a8b9c1861d15564fa6ac4562abb724d7 (diff) | |
| download | busybox-w32-f1d06462e872270f38c497e36f8cd018ee7415bf.tar.gz busybox-w32-f1d06462e872270f38c497e36f8cd018ee7415bf.tar.bz2 busybox-w32-f1d06462e872270f38c497e36f8cd018ee7415bf.zip | |
libbb: cose shrink in sha1
function old new delta
sha1_process_block64 356 342 -14
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | libbb/hash_md5_sha.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/libbb/hash_md5_sha.c b/libbb/hash_md5_sha.c index e0db8ce67..a468397e3 100644 --- a/libbb/hash_md5_sha.c +++ b/libbb/hash_md5_sha.c | |||
| @@ -523,9 +523,6 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx) | |||
| 523 | work = (work & b) ^ d; | 523 | work = (work & b) ^ d; |
| 524 | if (j <= 3) | 524 | if (j <= 3) |
| 525 | goto ge16; | 525 | goto ge16; |
| 526 | /* Used to do SWAP_BE32 here, but this | ||
| 527 | * requires ctx (see comment above) */ | ||
| 528 | work += W[cnt]; | ||
| 529 | } else { | 526 | } else { |
| 530 | if (i == 2) | 527 | if (i == 2) |
| 531 | work = ((b | c) & d) | (b & c); | 528 | work = ((b | c) & d) | (b & c); |
| @@ -533,14 +530,14 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx) | |||
| 533 | work ^= b; | 530 | work ^= b; |
| 534 | ge16: | 531 | ge16: |
| 535 | W[cnt] = W[cnt+16] = rotl32(W[cnt+13] ^ W[cnt+8] ^ W[cnt+2] ^ W[cnt], 1); | 532 | W[cnt] = W[cnt+16] = rotl32(W[cnt+13] ^ W[cnt+8] ^ W[cnt+2] ^ W[cnt], 1); |
| 536 | work += W[cnt]; | ||
| 537 | } | 533 | } |
| 534 | work += W[cnt]; | ||
| 538 | work += e + rotl32(a, 5) + rconsts[i]; | 535 | work += e + rotl32(a, 5) + rconsts[i]; |
| 539 | 536 | ||
| 540 | /* Rotate by one for next time */ | 537 | /* Rotate by one for next time */ |
| 541 | e = d; | 538 | e = d; |
| 542 | d = c; | 539 | d = c; |
| 543 | c = /* b = */ rotl32(b, 30); | 540 | c = rotl32(b, 30); |
| 544 | b = a; | 541 | b = a; |
| 545 | a = work; | 542 | a = work; |
| 546 | cnt = (cnt + 1) & 15; | 543 | cnt = (cnt + 1) & 15; |