[TestClass]public class UnitTest1{[TestMethod]public void TestMethod1(){var key = "cheayeon";var iv = "encoding";var text = "sb sb ha ha ha";//对text,key iv 进行base64加密var enKey = Convert.ToBase64String(Encoding.UTF8.GetBytes(key));var enIv = Convert.ToBase64String(Encoding.UTF8.GetBytes(iv));var enText = Convert.ToBase64String(Encoding.UTF8.GetBytes(text));//加密var encryp = AesEncryp(enText, enKey,enIv);//解密var decryp = AesDecryp(encryp, enKey, enIv);}/// <summary>/// 加密密text/// 王剑锋 2018年7月7日09:58:34/// </summary>/// <param name="text">明文</param>/// <param name="key">秘钥,Base64串</param>/// <param name="iv">向量,Base64串</param>/// <returns></returns>public string AesEncryp(string text,string key,string iv){var aes = Aes.Create();//AES-128-CBC PKCS#7aes.Mode = CipherMode.CBC;aes.Padding = PaddingMode.PKCS7;aes.KeySize = 128;aes.BlockSize = 128;//Base64解密text,KEY,IV,不够16位填充0aes.Key = Padding16(Convert.FromBase64String(key),0);aes.IV = Padding16(Convert.FromBase64String(iv),0);//获取该算法规则下的加密器var encryp = aes.CreateEncryptor();//加密之前加一个Base64解密 ,要加密的数据var dataBytes = Convert.FromBase64String(text);//获取AES-128-CBC PKCS#7 密文var enData = encryp.TransformFinalBlock(dataBytes,0, dataBytes.Length);return Convert.ToBase64String(enData);}/// <summary>/// 解密text/// 王剑锋 2018年7月7日09:58:16/// </summary>/// <param name="text">密文</param>/// <param name="key">秘钥,Base64串</param>/// <param name="iv">向量,Base64串</param>/// <returns></returns>public string AesDecryp(string text, string key, string iv){var aes = Aes.Create();//AES-128-CBC PKCS#7aes.Mode = CipherMode.CBC;aes.Padding = PaddingMode.PKCS7;aes.KeySize = 128;aes.BlockSize = 128;//Base64解密text,KEY,IVaes.Key = Padding16(Convert.FromBase64String(key),0);aes.IV =  Padding16(Convert.FromBase64String(iv),0);//获取该算法规则下的解密器var encryp = aes.CreateDecryptor();//加密之前加一个Base64解密 ,要加密的数据var dataBytes = Convert.FromBase64String(text);//获取AES-128-CBC PKCS#7 明文var enData = encryp.TransformFinalBlock(dataBytes, 0, dataBytes.Length);return Encoding.UTF8.GetString(enData);}/// <summary>/// 不够16位的整数倍,已指定字符填充/// </summary>/// <param name="array"></param>/// <param name="padding"></param>/// <returns></returns>public byte[] Padding16(byte [] array,byte padding){int group = (array.Length + 15) / 16;var newArray = new byte[group*16];for (int i = 0; i < newArray.Length; i++){newArray[i] = (i < array.Length ? array[i] : padding);}return newArray;}