@@ -127,15 +127,10 @@
 
 	memcpy(&buffer[j], &buf[i], length - i);
 }
 
 @implementation OFSHA1Hash
-+ SHA1Hash
-{
-	return [[[self alloc] init] autorelease];
-}
-
 + (size_t)digestSize
 {
 	return 20;
 }
 
@@ -155,11 +150,11 @@
 	state[4] = 0xC3D2E1F0;
 
 	return self;
 }
 
-- (void)updateWithBuffer: (const char*)buffer_
+- (void)updateWithBuffer: (const void*)buffer_
 		  length: (size_t)length
 {
 	if (length == 0)
 		return;