cn.hutool.crypto.digest.mac.BCHMacEngine Maven / Gradle / Ivy
package cn.hutool.crypto.digest.mac;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.crypto.Digest;
import org.bouncycastle.crypto.Mac;
import org.bouncycastle.crypto.macs.HMac;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
/**
* BouncyCastle的HMAC算法实现引擎，使用{@link Mac} 实现摘要
* 当引入BouncyCastle库时自动使用其作为Provider
*
* @author Looly
* @since 4.5.13
*/
public class BCHMacEngine extends BCMacEngine {
// ------------------------------------------------------------------------------------------- Constructor start
/**
* 构造
*
* @param digest 摘要算法，为{@link Digest} 的接口实现
* @param key 密钥
* @param iv 加盐
* @since 5.7.12
*/
public BCHMacEngine(Digest digest, byte[] key, byte[] iv) {
this(digest, new ParametersWithIV(new KeyParameter(key), iv));
}
/**
* 构造
*
* @param digest 摘要算法，为{@link Digest} 的接口实现
* @param key 密钥
* @since 4.5.13
*/
public BCHMacEngine(Digest digest, byte[] key) {
this(digest, new KeyParameter(key));
}
/**
* 构造
*
* @param digest 摘要算法
* @param params 参数，例如密钥可以用{@link KeyParameter}
* @since 4.5.13
*/
public BCHMacEngine(Digest digest, CipherParameters params) {
this(new HMac(digest), params);
}
/**
* 构造
*
* @param mac {@link HMac}
* @param params 参数，例如密钥可以用{@link KeyParameter}
* @since 5.8.0
*/
public BCHMacEngine(HMac mac, CipherParameters params) {
super(mac, params);
}
// ------------------------------------------------------------------------------------------- Constructor end
/**
* 初始化
*
* @param digest 摘要算法
* @param params 参数，例如密钥可以用{@link KeyParameter}
* @return this
* @see #init(Mac, CipherParameters)
*/
public BCHMacEngine init(Digest digest, CipherParameters params) {
return (BCHMacEngine) init(new HMac(digest), params);
}
}