@@ -108,10 +108,12 @@
 	state[6] += new[6];
 	state[7] += new[7];
 }
 
 @implementation OFSHA224Or256Hash
+@synthesize calculated = _calculated;
+
 + (size_t)digestSize
 {
 	OF_UNRECOGNIZED_SELECTOR
 }
 
@@ -186,15 +188,10 @@
 	_calculated = true;
 
 	return (const uint8_t*)_state;
 }
 
-- (bool)isCalculated
-{
-	return _calculated;
-}
-
 - (void)reset
 {
 	[self OF_resetState];
 	_bits = 0;
 	memset(&_buffer, 0, sizeof(_buffer));