@@ -117,15 +117,10 @@
 	buffer[2] += c;
 	buffer[3] += d;
 }
 
 @implementation OFMD5Hash
-+ MD5Hash
-{
-	return [[[self alloc] init] autorelease];
-}
-
 + (size_t)digestSize
 {
 	return 16;
 }
 
@@ -144,14 +139,15 @@
 	buffer[3] = 0x10325476;
 
 	return self;
 }
 
-- (void)updateWithBuffer: (const char*)buffer_
+- (void)updateWithBuffer: (const void*)buffer__
 		  length: (size_t)length
 {
 	uint32_t t;
+	const char *buffer_ = buffer__;
 
 	if (length == 0)
 		return;
 
 	if (calculated)