加密解密工具类

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加密解密测试工具

java版本

package xxx;    import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder;   import javax.crypto.Cipher; import javax.crypto.spec.SecretKeySpec; import java.security.Key;    public class AESUtil {       /**      * 用来进行加密的操作      *      * @param data      * @return      * @throws Exception      */     public String encrypt(String data) throws Exception {         Key key = new SecretKeySpec(keyValue, KEY_ALGORITHM);         Cipher c = Cipher.getInstance(KEY_ALGORITHM);// 创建密码器         c.init(Cipher.ENCRYPT_MODE, key);// 初始化         byte[] encVal = c.doFinal(data.getBytes());         return new BASE64Encoder().encode(encVal);     }       /**      * 用来进行解密的操作      *      * @param encryptedData      * @return      * @throws Exception      */     public String decrypt(String encryptedData) throws Exception {         Key key = new SecretKeySpec(keyValue, KEY_ALGORITHM);         Cipher c = Cipher.getInstance(KEY_ALGORITHM);         c.init(Cipher.DECRYPT_MODE, key);         byte[] decordedValue = new BASE64Decoder().decodeBuffer(encryptedData);         byte[] decValue = c.doFinal(decordedValue);         return new String(decValue);     }         // 加密算法     private String KEY_ALGORITHM =  "xxx";       //加密密钥     private static final byte[] keyValue =    "xxx".getBytes(); }

 C#版本

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Security.Cryptography; using System.IO;    // 加密 public static string Encrypt(string toEncrypt, string key) {     byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);     byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toEncrypt);     RijndaelManaged rDel = new RijndaelManaged();     rDel.Key = keyArray;     rDel.Mode = CipherMode.ECB;     rDel.Padding = PaddingMode.PKCS7;     ICryptoTransform cTransform = rDel.CreateEncryptor();     byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);     return Convert.ToBase64String(resultArray, 0, resultArray.Length); }    // 解密 public static string Decrypt(string toDecrypt, string key) {     byte[] keyArray = UTF8Encoding.UTF8.GetBytes(key);     byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);     RijndaelManaged rDel = new RijndaelManaged();     rDel.Key = keyArray;     rDel.Mode = CipherMode.ECB;     rDel.Padding = PaddingMode.PKCS7;     ICryptoTransform cTransform = rDel.CreateDecryptor();     byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);     return UTF8Encoding.UTF8.GetString(resultArray); }

 php版本

// 加密 private function encrypt ($str) {     $size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128,MCRYPT_MODE_ECB);     $pad = $size - (strlen($str) % $size);     $str = $str . str_repeat(chr($pad), $pad);     $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128,'',MCRYPT_MODE_ECB,'');     $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);      mcrypt_generic_init ($td,'加密密钥(替换)', $iv);     $cyper_text = mcrypt_generic($td, $str);     $ret = base64_encode($cyper_text);     mcrypt_generic_deinit ($td);     mcrypt_module_close($td);     return $ret ; }    // 解密 private function  decrypt($str) {     $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128,'',MCRYPT_MODE_ECB,'');     $iv mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);     mcrypt_generic_init($td,'加密密钥(替换)',$iv);      $b64 = base64_decode($str);     $decrypted_text = mdecrypt_generic($td,$b64);     $pad = ord($decrypted_text{strlen($decrypted_text) - 1});     $ret = substr($decrypted_text, 0, -1 * $pad);     mcrypt_generic_deinit($td);     mcrypt_module_close($td);     return $ret; }