org.dromara.hutool.crypto.digest.mac.CBCBlockCipherMacEngine Maven / Gradle / Ivy
/*
* Copyright (c) 2013-2024 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 org.dromara.hutool.crypto.digest.mac;
import org.bouncycastle.crypto.BlockCipher;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.macs.CBCBlockCipherMac;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
import java.security.Key;
/**
* {@link CBCBlockCipherMac}实现的MAC算法,使用CBC Block方式
*
* @author looly
* @since 5.8.0
*/
public class CBCBlockCipherMacEngine extends BCMacEngine {
/**
* 构造
*
* @param digest 摘要算法,为{@link Digest} 的接口实现
* @param macSizeInBits mac结果的bits长度,必须为8的倍数
* @param key 密钥
* @param iv 加盐
* @since 5.7.12
*/
public CBCBlockCipherMacEngine(final BlockCipher digest, final int macSizeInBits, final Key key, final byte[] iv) {
this(digest, macSizeInBits, key.getEncoded(), iv);
}
/**
* 构造
*
* @param digest 摘要算法,为{@link Digest} 的接口实现
* @param macSizeInBits mac结果的bits长度,必须为8的倍数
* @param key 密钥
* @param iv 加盐
*/
public CBCBlockCipherMacEngine(final BlockCipher digest, final int macSizeInBits, final byte[] key, final byte[] iv) {
this(digest, macSizeInBits, new ParametersWithIV(new KeyParameter(key), iv));
}
/**
* 构造
*
* @param cipher 算法,为{@link BlockCipher} 的接口实现
* @param macSizeInBits mac结果的bits长度,必须为8的倍数
* @param key 密钥
*/
public CBCBlockCipherMacEngine(final BlockCipher cipher, final int macSizeInBits, final Key key) {
this(cipher, macSizeInBits, key.getEncoded());
}
/**
* 构造
*
* @param cipher 算法,为{@link BlockCipher} 的接口实现
* @param macSizeInBits mac结果的bits长度,必须为8的倍数
* @param key 密钥
*/
public CBCBlockCipherMacEngine(final BlockCipher cipher, final int macSizeInBits, final byte[] key) {
this(cipher, macSizeInBits, new KeyParameter(key));
}
/**
* 构造
*
* @param cipher 算法,为{@link BlockCipher} 的接口实现
* @param macSizeInBits mac结果的bits长度,必须为8的倍数
* @param params 参数,例如密钥可以用{@link KeyParameter}
*/
public CBCBlockCipherMacEngine(final BlockCipher cipher, final int macSizeInBits, final CipherParameters params) {
this(new CBCBlockCipherMac(cipher, macSizeInBits), params);
}
/**
* 构造
*
* @param mac {@link CBCBlockCipherMac}
* @param params 参数,例如密钥可以用{@link KeyParameter}
*/
public CBCBlockCipherMacEngine(final CBCBlockCipherMac mac, final CipherParameters params) {
super(mac, params);
}
}