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cn.hutool.crypto.digest.SM3 Maven / Gradle / Ivy

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package cn.hutool.crypto.digest;

/**
 * 国密SM3杂凑(摘要)算法
 *
 * 

* 国密算法包括: *

    *
  1. 非对称加密和签名:SM2
  2. *
  3. 摘要签名算法:SM3
  4. *
  5. 对称加密:SM4
  6. *
* * @author looly * @since 4.6.8 */ public class SM3 extends Digester { private static final long serialVersionUID = 1L; public static final String ALGORITHM_NAME = "SM3"; /** * 创建SM3实例 * * @return SM3 * @since 4.6.0 */ public static SM3 create() { return new SM3(); } /** * 构造 */ public SM3() { super(ALGORITHM_NAME); } /** * 构造 * * @param salt 盐值 */ public SM3(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(byte[] salt, 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(byte[] salt, int saltPosition, int digestCount) { this(); this.salt = salt; this.saltPosition = saltPosition; this.digestCount = digestCount; } }




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