@@ -127,10 +127,12 @@
 	state[4] = state[0] + new[1] + new2[2];
 	state[0] = new2[3];
 }
 
 @implementation OFRIPEMD160Hash
+@synthesize calculated = _calculated;
+
 + (size_t)digestSize
 {
 	return 20;
 }
 
@@ -214,19 +216,14 @@
 	_calculated = true;
 
 	return (const uint8_t*)_state;
 }
 
-- (bool)isCalculated
-{
-	return _calculated;
-}
-
 - (void)reset
 {
 	[self OF_resetState];
 	_bits = 0;
 	memset(&_buffer, 0, sizeof(_buffer));
 	_bufferLength = 0;
 	_calculated = false;
 }
 @end