* Makefile.in (nettle_SOURCES): Added sha256-compress.c.

* sha256.c: Reorganized to use _nettle_sha256_compress.

* sha256-compress.c (_nettle_sha256_compress): Compression
function extracted from sha256.c to a new file.

Rev: nettle/ChangeLog:1.56
Rev: nettle/Makefile.in:1.17
Rev: nettle/sha.h:1.3
Rev: nettle/sha256-compress.c:1.1
Rev: nettle/sha256.c:1.4

1 files changed, 6 insertions, 0 deletions

diff --git a/sha.h b/sha.h
index 5040e705..c95dffda 100644
--- a/sha.h
+++ b/sha.h
@@ -106,6 +106,12 @@ sha256_digest(struct sha256_ctx *ctx,
 	      unsigned length,
 	      uint8_t *digest);
 
+/* Internal compression function. STATE points to 8 uint32_t words,
+   DATA points to 64 bytes of input data, possibly unaligned, and K
+   points to the table of constants. */
+void
+_nettle_sha256_compress(uint32_t *state, const uint8_t *data, const uint32_t *k);
+
 /* SHA512 */
 
 #define SHA512_DIGEST_SIZE 64