JAVA AES加密 对应的 C# 方法

由于最近在项目中用到，之前在网上找了好多，来来回回，终于整出来了。 贴出来以后用起来方便

C#

#region AES加解密       /// <summary>       ///AES加密（加密步骤）       ///1，加密字符串得到2进制数组；       ///2，将2禁止数组转为16进制；       ///3，进行base64编码       /// </summary>       /// <param name="toEncrypt">要加密的字符串</param>       /// <param name="key">密钥</param>       public String Encrypt(String toEncrypt, String key)        {           Byte[] _Key = Encoding.ASCII.GetBytes(key);           Byte[] _Source = Encoding.UTF8.GetBytes(toEncrypt);           Aes aes = Aes.Create("AES");           aes.Mode = CipherMode.ECB;           aes.Padding = PaddingMode.PKCS7;           aes.Key = _Key;           ICryptoTransform cTransform = aes.CreateEncryptor();           Byte[] cryptData = cTransform.TransformFinalBlock(_Source, 0, _Source.Length);           String HexCryptString = Hex_2To16(cryptData);           Byte[] HexCryptData = Encoding.UTF8.GetBytes(HexCryptString);           String CryptString =Convert.ToBase64String(HexCryptData);           return CryptString;       }       /// <summary>       /// AES解密（解密步骤）       /// 1，将BASE64字符串转为16进制数组       /// 2，将16进制数组转为字符串       /// 3，将字符串转为2进制数据       /// 4，用AES解密数据       /// </summary>       /// <param name="encryptedSource">已加密的内容</param>       /// <param name="key">密钥</param>       public String Decrypt(string encryptedSource, string key)       {           Byte[] _Key = Encoding.ASCII.GetBytes(key);           Aes aes = Aes.Create("AES");           aes.Mode = CipherMode.ECB;           aes.Padding = PaddingMode.PKCS7;           aes.Key = _Key;           ICryptoTransform cTransform = aes.CreateDecryptor();           Byte[] encryptedData = Convert.FromBase64String(encryptedSource);           String encryptedString = Encoding.UTF8.GetString(encryptedData);           Byte[] _Source = Hex_16To2(encryptedString);           Byte[] originalSrouceData = cTransform.TransformFinalBlock(_Source, 0, _Source.Length);           String originalString = Encoding.UTF8.GetString(originalSrouceData);           return originalString;       }       /// <summary>       /// 2进制转16进制       /// </summary>       String Hex_2To16(Byte[] bytes)       {           String hexString = String.Empty;           Int32 iLength = 65535;           if (bytes != null)           {               StringBuilder strB = new StringBuilder();               if (bytes.Length < iLength)               {                   iLength = bytes.Length;               }               for (int i = 0; i < iLength; i++)               {                   strB.Append(bytes[i].ToString("X2"));               }               hexString = strB.ToString();           }           return hexString;       }       /// <summary>       /// 16进制转2进制       /// </summary>       Byte[] Hex_16To2(String hexString)       {           if ((hexString.Length % 2) != 0)           {               hexString += " ";           }           Byte[] returnBytes = new Byte[hexString.Length / 2];           for (Int32 i = 0; i < returnBytes.Length; i++)           {               returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);           }           return returnBytes;       }       #endregion

JAVA:

/** * 加密--把加密后的byte数组先进行二进制转16进制在进行base64编码 * @param sSrc * @param sKey * @return * @throws Exception */public static String encrypt(String sSrc, String sKey) throws Exception {if (sKey == null) {throw new IllegalArgumentException("Argument sKey is null.");}if (sKey.length() != 16) {throw new IllegalArgumentException("Argument sKey'length is not 16.");}byte[] raw = sKey.getBytes("ASCII");SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");Cipher cipher = Cipher.getInstance("AES");cipher.init(Cipher.ENCRYPT_MODE, skeySpec);byte[] encrypted = cipher.doFinal(sSrc.getBytes("UTF-8"));String tempStr = parseByte2HexStr(encrypted);Base64Encoder encoder = new Base64Encoder();return encoder.encode(tempStr.getBytes("UTF-8"));}/** *解密--先 进行base64解码，在进行16进制转为2进制然后再解码 * @param sSrc * @param sKey * @return * @throws Exception */public static String decrypt(String sSrc, String sKey) throws Exception {if (sKey == null) {throw new IllegalArgumentException("499");}if (sKey.length() != 16) {throw new IllegalArgumentException("498");}byte[] raw = sKey.getBytes("ASCII");SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");Cipher cipher = Cipher.getInstance("AES");cipher.init(Cipher.DECRYPT_MODE, skeySpec);Base64Encoder encoder = new Base64Encoder();byte[] encrypted1 = encoder.decode(sSrc);String tempStr = new String(encrypted1, "utf-8");encrypted1 = parseHexStr2Byte(tempStr);byte[] original = cipher.doFinal(encrypted1);String originalString = new String(original, "utf-8");return originalString;}/** * 将二进制转换成16进制 *  * @param buf * @return */public static String parseByte2HexStr(byte buf[]) {StringBuffer sb = new StringBuffer();for (int i = 0; i < buf.length; i++) {String hex = Integer.toHexString(buf[i] & 0xFF);if (hex.length() == 1) {hex = '0' + hex;}sb.append(hex.toUpperCase());}return sb.toString();}/** * 将16进制转换为二进制 *  * @param hexStr * @return */public static byte[] parseHexStr2Byte(String hexStr) {if (hexStr.length() < 1)return null;byte[] result = new byte[hexStr.length() / 2];for (int i = 0; i < hexStr.length() / 2; i++) {int high = Integer.parseInt(hexStr.substring(i * 2, i * 2 + 1), 16);int low = Integer.parseInt(hexStr.substring(i * 2 + 1, i * 2 + 2),16);result[i] = (byte) (high * 16 + low);}return result;}