4a4305726
Denis Vlasenko
2009-03-12
Subject
sha: tiny shrink
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libbb/sha1.c+5 -8
| @@ -54,13 +54,12 @@ static inline uint64_t hton64(uint64_t v) | |
| #define SHA1_BLOCK_SIZE 64 | |
| - | #define SHA1_DIGEST_SIZE 20 |
| - | #define SHA1_HASH_SIZE SHA1_DIGEST_SIZE |
| #define SHA1_MASK (SHA1_BLOCK_SIZE - 1) | |
| static void sha1_process_block64(sha1_ctx_t *ctx) | |
| { | |
| - | uint32_t w[80], i, a, b, c, d, e, t; |
| + | unsigned i; |
| + | uint32_t w[80], a, b, c, d, e, t; |
| /* note that words are compiled from the buffer into 32-bit */ | |
| /* words in big-endian order so an order reversal is needed */ | |
| @@ -94,13 +93,13 @@ static void sha1_process_block64(sha1_ctx_t *ctx) | |
| for (i = 0; i < 20; ++i) | |
| rnd(ch, 0x5a827999); | |
| - | for (i = 20; i < 40; ++i) |
| + | for (/*i = 20*/; i < 40; ++i) |
| rnd(parity, 0x6ed9eba1); | |
| - | for (i = 40; i < 60; ++i) |
| + | for (/*i = 40*/; i < 60; ++i) |
| rnd(maj, 0x8f1bbcdc); | |
| - | for (i = 60; i < 80; ++i) |
| + | for (/*i = 60*/; i < 80; ++i) |
| rnd(parity, 0xca62c1d6); | |
| #undef ch | |
| #undef parity | |
| @@ -392,8 +391,6 @@ void FAST_FUNC sha512_begin(sha512_ctx_t *ctx) | |
| } | |
| - | /* SHA1 hash data in an array of bytes into hash buffer and call the */ |
| - | /* hash_compile function as required. */ |
| void FAST_FUNC sha1_hash(const void *buffer, size_t len, sha1_ctx_t *ctx) | |
| { | |
| unsigned in_buf = ctx->total64 & SHA1_MASK; | |