org.dromara.hutool.crypto.digest.SM3 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;
/**
* 国密SM3杂凑（摘要）算法
*
*
* 国密算法包括：
*
* - 非对称加密和签名：SM2，asymmetric
* - 摘要签名算法：SM3，digest
* - 对称加密：SM4，symmetric
*
*
* @author looly
* @since 4.6.8
*/
public class SM3 extends Digester {
private static final long serialVersionUID = 1L;
/**
* 算法名称：SM3
*/
public static final String ALGORITHM_NAME = "SM3";
/**
* 创建SM3实例
*
* @return SM3
* @since 4.6.0
*/
public static SM3 of() {
return new SM3();
}
/**
* 构造
*/
public SM3() {
super(ALGORITHM_NAME);
}
/**
* 构造
*
* @param salt 盐值
*/
public SM3(final byte[] salt) {
this(salt, 0, 1);
}
/**
* 构造
*
* @param salt 盐值
* @param digestCount 摘要次数，当此值小于等于1,默认为1。
*/
public SM3(final byte[] salt, final int digestCount) {
this(salt, 0, digestCount);
}
/**
* 构造
*
* @param salt 盐值
* @param saltPosition 加盐位置，即将盐值字符串放置在数据的index数，默认0
* @param digestCount 摘要次数，当此值小于等于1,默认为1。
*/
public SM3(final byte[] salt, final int saltPosition, final int digestCount) {
this();
this.salt = salt;
this.saltPosition = saltPosition;
this.digestCount = digestCount;
}
}