using System; using System.Collections.Generic; using System.Text; using System.IO; using System.Security.Cryptography;
namespace ConsoleApplication1 { class Program { public static string Encrypt3DES(string a_strString, string a_strKey) { TripleDESCryptoServiceProvider DES = new TripleDESCryptoServiceProvider();
DES.Key = ASCIIEncoding.ASCII.GetBytes(a_strKey); DES.Mode = CipherMode.ECB;
ICryptoTransform DESEncrypt = DES.CreateEncryptor();
byte[] Buffer = ASCIIEncoding.ASCII.GetBytes(a_strString); return Convert.ToBase64String(DESEncrypt.TransformFinalBlock(Buffer, 0, Buffer.Length)); }
public static string Decrypt3DES(string a_strString, string a_strKey) { TripleDESCryptoServiceProvider DES = new TripleDESCryptoServiceProvider();
DES.Key = ASCIIEncoding.ASCII.GetBytes(a_strKey); DES.Mode = CipherMode.ECB; DES.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
ICryptoTransform DESDecrypt = DES.CreateDecryptor();
string result = ""; try { byte[] Buffer = Convert.FromBase64String(a_strString); result = ASCIIEncoding.ASCII.GetString(DESDecrypt.TransformFinalBlock(Buffer, 0, Buffer.Length)); } catch (Exception e) {
} return result; }
static void Main(string[] args) { Console.WriteLine(Encrypt3DES("999999999", "#s^un2ye31<cn%|aoXpR,+vh"); Console.ReadLine(); } } }
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