ObjFW  Diff

		uint32_t *tmpItems, *bufferItems;

		if (param.costFactor > SIZE_MAX - 1 ||
		    (param.costFactor + 1) > SIZE_MAX / 128)
			@throw [OFOutOfRangeException exception];

		tmp = [[OFSecureData alloc]
			 initWithItemSize: param.blockSize
				    count: (param.costFactor + 1) * 128
			    initWithCount: (param.costFactor + 1) * 128
				 itemSize: param.blockSize
		    allowsSwappableMemory: param.allowsSwappableMemory];
		tmpItems = tmp.mutableItems;

		if (param.parallelization > SIZE_MAX / 128)
			@throw [OFOutOfRangeException exception];

		buffer = [[OFSecureData alloc]
			 initWithItemSize: param.blockSize
				    count: param.parallelization * 128
			    initWithCount: param.parallelization * 128
				 itemSize: param.blockSize
		    allowsSwappableMemory: param.allowsSwappableMemory];
		bufferItems = buffer.mutableItems;

		HMAC = [[OFHMAC alloc]
			initWithHashClass: [OFSHA256Hash class]
		    allowsSwappableMemory: param.allowsSwappableMemory];