/*
 * Copyright (c) 2013-2025 Hutool Team and hutool.cn
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.hutool.v7.crypto.bc;

import org.bouncycastle.crypto.BufferedBlockCipher;
import org.bouncycastle.crypto.DefaultBufferedBlockCipher;
import org.bouncycastle.crypto.engines.SM4Engine;
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.params.KeyParameter;
import cn.hutool.v7.core.util.ByteUtil;
import cn.hutool.v7.crypto.CipherMode;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

public class BCCipherTest {
	@Test
	void sm4Test() {
		final byte[] data = ByteUtil.toUtf8Bytes("我是测试Hutool的字符串00");

		final BufferedBlockCipher blockCipher = new DefaultBufferedBlockCipher(CBCBlockCipher.newInstance(new SM4Engine()));
		final BCCipher bcCipher = new BCCipher(blockCipher);
		bcCipher.init(CipherMode.ENCRYPT, new BCCipher.BCParameters(new KeyParameter(ByteUtil.toUtf8Bytes("1234567890000000"))));
		final byte[] encryptData = bcCipher.processFinal(data);

		bcCipher.init(CipherMode.DECRYPT, new BCCipher.BCParameters(new KeyParameter(ByteUtil.toUtf8Bytes("1234567890000000"))));
		final byte[] decryptData = bcCipher.processFinal(encryptData);

		Assertions.assertArrayEquals(data, decryptData);
	}
}
