package com.github.zhangkaitao.shiro.chapter13.service;
import com.github.zhangkaitao.shiro.chapter13.entity.User;
import org.apache.shiro.crypto.RandomNumberGenerator;
import org.apache.shiro.crypto.SecureRandomNumberGenerator;
import org.apache.shiro.crypto.hash.SimpleHash;
import org.apache.shiro.util.ByteSource;
/**
* <p>User: Zhang Kaitao
* <p>Date: 14-1-28
* <p>Version: 1.0
*/
public class PasswordHelper {
private RandomNumberGenerator randomNumberGenerator = new SecureRandomNumberGenerator();
private String algorithmName = "md5";
private int hashIterations = 2;
public void setRandomNumberGenerator(RandomNumberGenerator randomNumberGenerator) {
this.randomNumberGenerator = randomNumberGenerator;
}
public void setAlgorithmName(String algorithmName) {
this.algorithmName = algorithmName;
}
public void setHashIterations(int hashIterations) {
this.hashIterations = hashIterations;
}
public void encryptPassword(User user) {
user.setSalt(randomNumberGenerator.nextBytes().toHex());
String newPassword = new SimpleHash(
algorithmName,
user.getPassword(),
ByteSource.Util.bytes(user.getCredentialsSalt()),
hashIterations).toHex();
user.setPassword(newPassword);
}
}