f69f20749
Denys Vlasenko
2018-11-26
Subject
libbb: add comment on sha384
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libbb/hash_md5_sha.c+5 -0
| @@ -794,6 +794,11 @@ static const uint32_t init512_lo[] = { | |
| }; | |
| #endif /* NEED_SHA512 */ | |
| + | // Note: SHA-384 is identical to SHA-512, except that initial hash values are |
| + | // 0xcbbb9d5dc1059ed8, 0x629a292a367cd507, 0x9159015a3070dd17, 0x152fecd8f70e5939, |
| + | // 0x67332667ffc00b31, 0x8eb44a8768581511, 0xdb0c2e0d64f98fa7, 0x47b5481dbefa4fa4, |
| + | // and the output is constructed by omitting last two 64-bit words of it. |
| + | |
| /* Initialize structure containing state of computation. | |
| (FIPS 180-2:5.3.2) */ | |
| void FAST_FUNC sha256_begin(sha256_ctx_t *ctx) | |