阿甘网站建设,网站地图类型,镇江门户网站,社区网站建设难点【AES】 一种对称加密算法#xff0c;DES的取代者。 加密相关文章见#xff1a;Java 加密解密 对称加密算法 非对称加密算法 MD5 BASE64 AES RSA 【代码】 代码比较多#xff0c;有一部分非本文章内容代码#xff0c;具体自己看吧。 [java] view plaincopy print?package… 【AES】 一种对称加密算法DES的取代者。 加密相关文章见Java 加密解密 对称加密算法 非对称加密算法 MD5 BASE64 AES RSA 【代码】 代码比较多有一部分非本文章内容代码具体自己看吧。 [java] view plaincopy print? package com.uikoo9.util.encrypt; import java.math.BigInteger; import java.security.MessageDigest; import java.security.SecureRandom; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.spec.SecretKeySpec; import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; import com.uikoo9.util.QStringUtil; /** * 编码工具类 * 1.将byte[]转为各种进制的字符串 * 2.base 64 encode * 3.base 64 decode * 4.获取byte[]的md5值 * 5.获取字符串md5值 * 6.结合base64实现md5加密 * 7.AES加密 * 8.AES加密为base 64 code * 9.AES解密 * 10.将base 64 code AES解密 * author uikoo9 * version 0.0.7.20140601 */ public class QEncodeUtil { public static void main(String[] args) throws Exception { String content 我爱你; System.out.println(加密前 content); String key 123456; System.out.println(加密密钥和解密密钥 key); String encrypt aesEncrypt(content, key); System.out.println(加密后 encrypt); String decrypt aesDecrypt(encrypt, key); System.out.println(解密后 decrypt); } /** * 将byte[]转为各种进制的字符串 * param bytes byte[] * param radix 可以转换进制的范围从Character.MIN_RADIX到Character.MAX_RADIX超出范围后变为10进制 * return 转换后的字符串 */ public static String binary(byte[] bytes, int radix){ return new BigInteger(1, bytes).toString(radix);// 这里的1代表正数 } /** * base 64 encode * param bytes 待编码的byte[] * return 编码后的base 64 code */ public static String base64Encode(byte[] bytes){ return new BASE64Encoder().encode(bytes); } /** * base 64 decode * param base64Code 待解码的base 64 code * return 解码后的byte[] * throws Exception */ public static byte[] base64Decode(String base64Code) throws Exception{ return QStringUtil.isEmpty(base64Code) ? null : new BASE64Decoder().decodeBuffer(base64Code); } /** * 获取byte[]的md5值 * param bytes byte[] * return md5 * throws Exception */ public static byte[] md5(byte[] bytes) throws Exception { MessageDigest md MessageDigest.getInstance(MD5); md.update(bytes); return md.digest(); } /** * 获取字符串md5值 * param msg * return md5 * throws Exception */ public static byte[] md5(String msg) throws Exception { return QStringUtil.isEmpty(msg) ? null : md5(msg.getBytes()); } /** * 结合base64实现md5加密 * param msg 待加密字符串 * return 获取md5后转为base64 * throws Exception */ public static String md5Encrypt(String msg) throws Exception{ return QStringUtil.isEmpty(msg) ? null : base64Encode(md5(msg)); } /** * AES加密 * param content 待加密的内容 * param encryptKey 加密密钥 * return 加密后的byte[] * throws Exception */ public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception { KeyGenerator kgen KeyGenerator.getInstance(AES); kgen.init(128, new SecureRandom(encryptKey.getBytes())); Cipher cipher Cipher.getInstance(AES); cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(kgen.generateKey().getEncoded(), AES)); return cipher.doFinal(content.getBytes(utf-8)); } /** * AES加密为base 64 code * param content 待加密的内容 * param encryptKey 加密密钥 * return 加密后的base 64 code * throws Exception */ public static String aesEncrypt(String content, String encryptKey) throws Exception { return base64Encode(aesEncryptToBytes(content, encryptKey)); } /** * AES解密 * param encryptBytes 待解密的byte[] * param decryptKey 解密密钥 * return 解密后的String * throws Exception */ public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception { KeyGenerator kgen KeyGenerator.getInstance(AES); kgen.init(128, new SecureRandom(decryptKey.getBytes())); Cipher cipher Cipher.getInstance(AES); cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(kgen.generateKey().getEncoded(), AES)); byte[] decryptBytes cipher.doFinal(encryptBytes); return new String(decryptBytes); } /** * 将base 64 code AES解密 * param encryptStr 待解密的base 64 code * param decryptKey 解密密钥 * return 解密后的string * throws Exception */ public static String aesDecrypt(String encryptStr, String decryptKey) throws Exception { return QStringUtil.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), decryptKey); } } package com.uikoo9.util.encrypt;import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.SecureRandom;import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;import com.uikoo9.util.QStringUtil;/*** 编码工具类* 1.将byte[]转为各种进制的字符串* 2.base 64 encode* 3.base 64 decode* 4.获取byte[]的md5值* 5.获取字符串md5值* 6.结合base64实现md5加密* 7.AES加密* 8.AES加密为base 64 code* 9.AES解密* 10.将base 64 code AES解密* author uikoo9* version 0.0.7.20140601*/
public class QEncodeUtil {public static void main(String[] args) throws Exception {String content 我爱你;System.out.println(加密前 content);String key 123456;System.out.println(加密密钥和解密密钥 key);String encrypt aesEncrypt(content, key);System.out.println(加密后 encrypt);String decrypt aesDecrypt(encrypt, key);System.out.println(解密后 decrypt);}/*** 将byte[]转为各种进制的字符串* param bytes byte[]* param radix 可以转换进制的范围从Character.MIN_RADIX到Character.MAX_RADIX超出范围后变为10进制* return 转换后的字符串*/public static String binary(byte[] bytes, int radix){return new BigInteger(1, bytes).toString(radix);// 这里的1代表正数}/*** base 64 encode* param bytes 待编码的byte[]* return 编码后的base 64 code*/public static String base64Encode(byte[] bytes){return new BASE64Encoder().encode(bytes);}/*** base 64 decode* param base64Code 待解码的base 64 code* return 解码后的byte[]* throws Exception*/public static byte[] base64Decode(String base64Code) throws Exception{return QStringUtil.isEmpty(base64Code) ? null : new BASE64Decoder().decodeBuffer(base64Code);}/*** 获取byte[]的md5值* param bytes byte[]* return md5* throws Exception*/public static byte[] md5(byte[] bytes) throws Exception {MessageDigest md MessageDigest.getInstance(MD5);md.update(bytes);return md.digest();}/*** 获取字符串md5值* param msg * return md5* throws Exception*/public static byte[] md5(String msg) throws Exception {return QStringUtil.isEmpty(msg) ? null : md5(msg.getBytes());}/*** 结合base64实现md5加密* param msg 待加密字符串* return 获取md5后转为base64* throws Exception*/public static String md5Encrypt(String msg) throws Exception{return QStringUtil.isEmpty(msg) ? null : base64Encode(md5(msg));}/*** AES加密* param content 待加密的内容* param encryptKey 加密密钥* return 加密后的byte[]* throws Exception*/public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception {KeyGenerator kgen KeyGenerator.getInstance(AES);kgen.init(128, new SecureRandom(encryptKey.getBytes()));Cipher cipher Cipher.getInstance(AES);cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(kgen.generateKey().getEncoded(), AES));return cipher.doFinal(content.getBytes(utf-8));}/*** AES加密为base 64 code* param content 待加密的内容* param encryptKey 加密密钥* return 加密后的base 64 code* throws Exception*/public static String aesEncrypt(String content, String encryptKey) throws Exception {return base64Encode(aesEncryptToBytes(content, encryptKey));}/*** AES解密* param encryptBytes 待解密的byte[]* param decryptKey 解密密钥* return 解密后的String* throws Exception*/public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception {KeyGenerator kgen KeyGenerator.getInstance(AES);kgen.init(128, new SecureRandom(decryptKey.getBytes()));Cipher cipher Cipher.getInstance(AES);cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(kgen.generateKey().getEncoded(), AES));byte[] decryptBytes cipher.doFinal(encryptBytes);return new String(decryptBytes);}/*** 将base 64 code AES解密* param encryptStr 待解密的base 64 code* param decryptKey 解密密钥* return 解密后的string* throws Exception*/public static String aesDecrypt(String encryptStr, String decryptKey) throws Exception {return QStringUtil.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), decryptKey);}}【输出】 [java] view plaincopy print? 加密前我爱你 加密密钥和解密密钥123456 加密后A63fa7DjAe3yYji44BTm1g 解密后我爱你 由于文章年数就远声明此文章转载并非本人所写在此向作者致谢 转载于:https://www.cnblogs.com/honey01/p/6281610.html
