decodificar
Publicado por hansel Hopner (1 intervención) el 13/10/2018 15:24:57
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using System;
using System.Security.Cryptography;
using System.Text;namespace Registro
{public class Encrypt
{private string key = "ABCDEFG54669525PQRSTUVWXYZabcdef852846opqrstuvwxyz";
public string EncryptKey(string cadena)
{byte[] bytes = System.Text.Encoding.UTF8.GetBytes(cadena);
System.Security.Cryptography.MD5CryptoServiceProvider mD5CryptoServiceProvider = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] array = mD5CryptoServiceProvider.ComputeHash(System.Text.Encoding.UTF8.GetBytes(this.key));
mD5CryptoServiceProvider.Clear();
System.Security.Cryptography.TripleDESCryptoServiceProvider tripleDESCryptoServiceProvider = new System.Security.Cryptography.TripleDESCryptoServiceProvider();
tripleDESCryptoServiceProvider.Key = array;
tripleDESCryptoServiceProvider.Mode = System.Security.Cryptography.CipherMode.ECB;
tripleDESCryptoServiceProvider.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
System.Security.Cryptography.ICryptoTransform cryptoTransform = tripleDESCryptoServiceProvider.CreateEncryptor();
byte[] array2 = cryptoTransform.TransformFinalBlock(bytes, 0, bytes.Length);
tripleDESCryptoServiceProvider.Clear();
return System.Convert.ToBase64String(array2, 0, array2.Length);
}public string DecryptKey(string clave)
{string result;
try
{byte[] array = System.Convert.FromBase64String(clave);
System.Security.Cryptography.MD5CryptoServiceProvider mD5CryptoServiceProvider = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] array2 = mD5CryptoServiceProvider.ComputeHash(System.Text.Encoding.UTF8.GetBytes(this.key));
mD5CryptoServiceProvider.Clear();
System.Security.Cryptography.TripleDESCryptoServiceProvider tripleDESCryptoServiceProvider = new System.Security.Cryptography.TripleDESCryptoServiceProvider();
tripleDESCryptoServiceProvider.Key = array2;
tripleDESCryptoServiceProvider.Mode = System.Security.Cryptography.CipherMode.ECB;
tripleDESCryptoServiceProvider.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
System.Security.Cryptography.ICryptoTransform cryptoTransform = tripleDESCryptoServiceProvider.CreateDecryptor();
byte[] bytes = cryptoTransform.TransformFinalBlock(array, 0, array.Length);
tripleDESCryptoServiceProvider.Clear();
result = System.Text.Encoding.UTF8.GetString(bytes);
}catch (System.Exception)
{result = "";
}return result;
} }}Valora esta pregunta
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