ObjFW  Diff

		    allowsSwappableMemory: allowsSwappableMemory];
		bufferItems = buffer.mutableItems;

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

		of_pbkdf2((of_pbkdf2_parameters_t){
			.HMAC = HMAC,
			.iterations = 1,
			.salt = salt,
			.saltLength = saltLength,
			.password = password,
			.passwordLength = passwordLength,
			.key = (unsigned char *)bufferItems,
			.keyLength = parallelization * 128 * blockSize,
			.allowsSwappableMemory = allowsSwappableMemory
		});

		for (size_t i = 0; i < parallelization; i++)
			of_scrypt_romix(bufferItems + i * 32 * blockSize,
			    blockSize, costFactor, tmpItems);

		of_pbkdf2((of_pbkdf2_parameters_t){
			.HMAC = HMAC,
			.iterations = 1,
			.salt = (unsigned char *)bufferItems,
			.saltLength = parallelization * 128 * blockSize,
			.password = password,
			.passwordLength = passwordLength,
			.key = key,
			.keyLength = keyLength,
			.allowsSwappableMemory = allowsSwappableMemory
		});
	} @finally {
		[tmp release];
		[buffer release];
		[HMAC release];
	}
}