完整代码：
/****************************************************************** * 创建人：HTL * 创建时间：2015-04-17 17:36:35 * 说明：C# AES加密解密 * Email：huangyuan413026@163.com *******************************************************************/ using System; using System.Security.Cryptography; using System.Text; using System.IO; public class Test { public static void Main() { //密码 string password="1234567890123456"; //加密初始化向量 string iv=" "; string message=AESEncrypt("abcdefghigklmnopqrstuvwxyz0123456789",password,iv); Console.WriteLine(message); message=AESDecrypt("8Z3dZzqn05FmiuBLowExK0CAbs4TY2GorC2dDPVlsn/tP+VuJGePqIMv1uSaVErr",password,iv); Console.WriteLine(message); } /// <summary> /// AES加密 /// </summary> /// <param name="text">加密字符</param> /// <param name="password">加密的密码</param> /// <param name="iv">密钥</param> /// <returns></returns> public static string AESEncrypt(string text, string password, string iv) { RijndaelManaged rijndaelCipher = new RijndaelManaged(); rijndaelCipher.Mode = CipherMode.CBC; rijndaelCipher.Padding = PaddingMode.PKCS7; rijndaelCipher.KeySize = 128; rijndaelCipher.BlockSize = 128; byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password); byte[] keyBytes = new byte[16]; int len = pwdBytes.Length; if (len > keyBytes.Length) len = keyBytes.Length; System.Array.Copy(pwdBytes, keyBytes, len); rijndaelCipher.Key = keyBytes; byte[] ivBytes = System.Text.Encoding.UTF8.GetBytes(iv); rijndaelCipher.IV = new byte[16]; ICryptoTransform transform = rijndaelCipher.CreateEncryptor(); byte[] plainText = Encoding.UTF8.GetBytes(text); byte[] cipherBytes = transform.TransformFinalBlock(plainText, 0, plainText.Length); return Convert.ToBase64String(cipherBytes); } /// <summary> /// AES解密 /// </summary> /// <param name="text"></param> /// <param name="password"></param> /// <param name="iv"></param> /// <returns></returns> public static string AESDecrypt(string text, string password, string iv) { RijndaelManaged rijndaelCipher = new RijndaelManaged(); rijndaelCipher.Mode = CipherMode.CBC; rijndaelCipher.Padding = PaddingMode.PKCS7; rijndaelCipher.KeySize = 128; rijndaelCipher.BlockSize = 128; byte[] encryptedData = Convert.FromBase64String(text); byte[] pwdBytes = System.Text.Encoding.UTF8.GetBytes(password); byte[] keyBytes = new byte[16]; int len = pwdBytes.Length; if (len > keyBytes.Length) len = keyBytes.Length; System.Array.Copy(pwdBytes, keyBytes, len); rijndaelCipher.Key = keyBytes; byte[] ivBytes = System.Text.Encoding.UTF8.GetBytes(iv); rijndaelCipher.IV = ivBytes; ICryptoTransform transform = rijndaelCipher.CreateDecryptor(); byte[] plainText = transform.TransformFinalBlock(encryptedData, 0, encryptedData.Length); return Encoding.UTF8.GetString(plainText); } }
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