shrink sha hashing a bit more (remove wbuflen field from ctx),
remove the requirement for aligned buffer
function old new delta
sha512_hash 262 297 +35
sha1_end 136 143 +7
passwd_main 1019 1023 +4
sha256_end 135 137 +2
count_lines 72 74 +2
sha256_hash 259 260 +1
popstring 164 158 -6
sha512_begin 88 81 -7
sha256_begin 44 37 -7
parse_expr 832 824 -8
bbunpack 446 438 -8
sha256_process_block64 529 520 -9
md5_end 166 151 -15
evaltreenr 817 802 -15
evaltree 817 802 -15
sha512_end 204 182 -22
sha512_process_block128 1444 1405 -39
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 6/11 up/down: 51/-151) Total: -100 bytes
diff --git a/include/libbb.h b/include/libbb.h
index 4c99010..3f566f8 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1329,18 +1329,16 @@
void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx) FAST_FUNC;
void sha1_end(void *resbuf, sha1_ctx_t *ctx) FAST_FUNC;
typedef struct sha256_ctx_t {
- unsigned wbuflen;
- uint32_t H[8];
uint64_t total64;
+ uint32_t hash[8];
char wbuffer[64*2]; /* NB: always correctly aligned for uint64_t */
} sha256_ctx_t;
void sha256_begin(sha256_ctx_t *ctx) FAST_FUNC;
void sha256_hash(const void *buffer, size_t len, sha256_ctx_t *ctx) FAST_FUNC;
void sha256_end(void *resbuf, sha256_ctx_t *ctx) FAST_FUNC;
typedef struct sha512_ctx_t {
- unsigned wbuflen;
- uint64_t H[8];
uint64_t total64[2];
+ uint64_t hash[8];
char wbuffer[128*2]; /* NB: always correctly aligned for uint64_t */
} sha512_ctx_t;
void sha512_begin(sha512_ctx_t *ctx) FAST_FUNC;