f1d06462e
Denys Vlasenko
2021-12-28
Subject
libbb: cose shrink in sha1
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libbb/hash_md5_sha.c+2 -5
| @@ -523,9 +523,6 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx) | |
| work = (work & b) ^ d; | |
| if (j <= 3) | |
| goto ge16; | |
| - | /* Used to do SWAP_BE32 here, but this |
| - | * requires ctx (see comment above) */ |
| - | work += W[cnt]; |
| } else { | |
| if (i == 2) | |
| work = ((b | c) & d) | (b & c); | |
| @@ -533,14 +530,14 @@ static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx) | |
| work ^= b; | |
| ge16: | |
| W[cnt] = W[cnt+16] = rotl32(W[cnt+13] ^ W[cnt+8] ^ W[cnt+2] ^ W[cnt], 1); | |
| - | work += W[cnt]; |
| } | |
| + | work += W[cnt]; |
| work += e + rotl32(a, 5) + rconsts[i]; | |
| /* Rotate by one for next time */ | |
| e = d; | |
| d = c; | |
| - | c = /* b = */ rotl32(b, 30); |
| + | c = rotl32(b, 30); |
| b = a; | |
| a = work; | |
| cnt = (cnt + 1) & 15; | |