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package com.dahuatech.hutool.crypto.digest;

/**
 * SM3算法
 *
 * @author looly
 * @since 4.6.8
 */
public class SM3 extends Digester {
  public static final String ALGORITHM_NAME = "SM3";
  private static final long serialVersionUID = 1L;

  /** 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;
  }

  /**
   * 创建SM3实例
   *
   * @return SM3
   * @since 4.6.0
   */
  public static SM3 create() {
    return new SM3();
  }
}




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