sha: reduce sha256/512 context size. Make sha1/sha256 code more similar
function old new delta
sha512_end 182 204 +22
sha256_end 137 147 +10
sha1_hash 113 108 -5
sha1_end 143 129 -14
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 32/-19) Total: 13 bytes
diff --git a/include/libbb.h b/include/libbb.h
index 3f566f8..b04488a 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1322,7 +1322,7 @@
typedef struct sha1_ctx_t {
uint64_t total64;
- uint32_t wbuffer[16]; /* NB: always correctly aligned for uint64_t */
+ uint8_t wbuffer[64]; /* NB: always correctly aligned for uint64_t */
uint32_t hash[5];
} sha1_ctx_t;
void sha1_begin(sha1_ctx_t *ctx) FAST_FUNC;
@@ -1331,7 +1331,7 @@
typedef struct sha256_ctx_t {
uint64_t total64;
uint32_t hash[8];
- char wbuffer[64*2]; /* NB: always correctly aligned for uint64_t */
+ uint8_t wbuffer[64]; /* 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;
@@ -1339,7 +1339,7 @@
typedef struct sha512_ctx_t {
uint64_t total64[2];
uint64_t hash[8];
- char wbuffer[128*2]; /* NB: always correctly aligned for uint64_t */
+ uint8_t wbuffer[128]; /* NB: always correctly aligned for uint64_t */
} sha512_ctx_t;
void sha512_begin(sha512_ctx_t *ctx) FAST_FUNC;
void sha512_hash(const void *buffer, size_t len, sha512_ctx_t *ctx) FAST_FUNC;