lib: Mark md4/md5/sha1/sha2 code with ATTR_UNSIGNED_WRAPS

dovecot · Nov 24, 2016 · 21484e1 · 21484e1
1 parent 2c488bf
commit 21484e1
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Showing 4 changed files with 13 additions and 9 deletions.
diff --git a/src/lib/md4.c b/src/lib/md4.c
@@ -65,7 +65,7 @@
  * This processes one or more 64-byte data blocks, but does NOT update
  * the bit counters.  There're no alignment requirements.
  */
-static const void * ATTR_NOWARN_UNUSED_RESULT
+static const void * ATTR_NOWARN_UNUSED_RESULT ATTR_UNSIGNED_WRAPS
 body(struct md4_context *ctx, const void *data, size_t size)
 {
 	const unsigned char *ptr;

diff --git a/src/lib/md5.c b/src/lib/md5.c
@@ -66,7 +66,7 @@
  * This processes one or more 64-byte data blocks, but does NOT update
  * the bit counters.  There're no alignment requirements.
  */
-static const void * ATTR_NOWARN_UNUSED_RESULT
+static const void * ATTR_NOWARN_UNUSED_RESULT ATTR_UNSIGNED_WRAPS
 body(struct md5_context *ctx, const void *data, size_t size)
 {
 	const unsigned char *ptr;
@@ -186,7 +186,8 @@ void md5_init(struct md5_context *ctx)
 	memset(ctx->block, 0, sizeof(ctx->block));
 }
 
-void md5_update(struct md5_context *ctx, const void *data, size_t size)
+void ATTR_UNSIGNED_WRAPS
+md5_update(struct md5_context *ctx, const void *data, size_t size)
 {
 	/* @UNSAFE */
 	uint_fast32_t saved_lo;
@@ -221,7 +222,8 @@ void md5_update(struct md5_context *ctx, const void *data, size_t size)
 	memcpy(ctx->buffer, data, size);
 }
 
-void md5_final(struct md5_context *ctx, unsigned char result[STATIC_ARRAY MD5_RESULTLEN])
+void ATTR_UNSIGNED_WRAPS
+md5_final(struct md5_context *ctx, unsigned char result[STATIC_ARRAY MD5_RESULTLEN])
 {
 	/* @UNSAFE */
 	unsigned long used, free;

diff --git a/src/lib/sha1.c b/src/lib/sha1.c
@@ -73,7 +73,7 @@ static uint32_t SHA1_K[] = { 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 };
 
 static void sha1_step(struct sha1_ctxt *);
 
-static void
+static void ATTR_UNSIGNED_WRAPS
 sha1_step(struct sha1_ctxt *ctxt)
 {
 	uint32_t	a, b, c, d, e;

diff --git a/src/lib/sha2.c b/src/lib/sha2.c
@@ -175,8 +175,9 @@ static const uint64_t sha512_k[80] =
 
 /* SHA-256 functions */
 
-static void sha256_transf(struct sha256_ctx *ctx, const unsigned char *data,
-			  size_t block_nb)
+static void ATTR_UNSIGNED_WRAPS
+sha256_transf(struct sha256_ctx *ctx, const unsigned char *data,
+	      size_t block_nb)
 {
 	uint32_t w[64];
 	uint32_t wv[8];
@@ -301,8 +302,9 @@ void sha256_get_digest(const void *data, size_t size,
 
 /* SHA-512 functions */
 
-static void sha512_transf(struct sha512_ctx *ctx, const unsigned char *data,
-			  size_t block_nb)
+static void ATTR_UNSIGNED_WRAPS
+sha512_transf(struct sha512_ctx *ctx, const unsigned char *data,
+	      size_t block_nb)
 {
 	uint64_t w[80];
 	uint64_t wv[8];