生成md5密码
public static void main(String[] args) { Random random = new Random(); String salt = String.valueOf(random.nextInt(4)); System.out.println("salt-----" + salt); String phone = "15808758263"; System.out.println("phone----" + phone); String pwdMd5 = MD5Util.salt(phone, salt); System.out.println("pwdMd5-----" + pwdMd5); }
package com.sjaco.lccloud.common.utils; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class MD5Util { private static final String MD5_ALGORITHM_NAME = "MD5"; public MD5Util() { } public static String encrypt(String source) { return encodeMd5(source.getBytes()); } private static String encodeMd5(byte[] source) { try { return encodeHex(MessageDigest.getInstance("MD5").digest(source)); } catch (NoSuchAlgorithmException var2) { throw new IllegalStateException(var2.getMessage(), var2); } } private static String encodeHex(byte[] bytes) { StringBuilder buffer = new StringBuilder(bytes.length * 2); byte[] var2 = bytes; int var3 = bytes.length; for(int var4 = 0; var4 < var3; ++var4) { byte aByte = var2[var4]; if ((aByte & 255) < 16) { buffer.append("0"); } buffer.append(Long.toString((long)(aByte & 255), 16)); } return buffer.toString(); } public static String salt(String pwd, String salt) { MessageDigest digest; try { digest = MessageDigest.getInstance("MD5"); } catch (NoSuchAlgorithmException var6) { throw new IllegalStateException(var6.getMessage(), var6); } if (salt != null) { digest.reset(); digest.update(salt.getBytes()); } byte[] hashed = digest.digest(pwd.getBytes()); int iterations = 1; for(int i = 0; i < iterations; ++i) { digest.reset(); hashed = digest.digest(hashed); } return encodeHex(hashed); } public static void main(String[] args) { System.out.println(salt("123456", "8pgby")); } }
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