how to encrypt and decrypt the url in asp.net with c# or vb.net

Question

I want to encrypt the url and decrypt the same url in other application in asp.net with c# or vb.net Anyone please help me out to find the solution for this problem. Thanks Ankur

ankur bhutani · Answer

encryption page : string id1 = id1; Response.Redirect(decryptionPage.aspx?id1= + HttpUtility.UrlEncode(Encrypt(id1))); private string Encrypt(string stringToEncrypt) { byte[] inputByteArray = Encoding.UTF8.GetBytes(stringToEncrypt); byte[] rgbIV = { 0x21 0x43 0x56 0x87 0x10 0xfd 0xea 0x1c }; byte[] key = { }; try { key = System.Text.Encoding.UTF8.GetBytes(A0D1nX0Q); DESCryptoServiceProvider des = new DESCryptoServiceProvider(); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms des.CreateEncryptor(key rgbIV) CryptoStreamMode.Write); cs.Write(inputByteArray 0 inputByteArray.Length); cs.FlushFinalBlock(); return Convert.ToBase64String(ms.ToArray()); } catch (Exception e) { return e.Message; } } decryption Page : string getId1 = Convert.ToString(Request.QueryString[id1]); var qs = Decrypt(HttpUtility.UrlDecode(getId1)); private string Decrypt(string EncryptedText) { byte[] inputByteArray = new byte[EncryptedText.Length + 1]; byte[] rgbIV = { 0x21 0x43 0x56 0x87 0x10 0xfd 0xea 0x1c }; byte[] key = { }; try { key = System.Text.Encoding.UTF8.GetBytes(A0D1nX0Q); DESCryptoServiceProvider des = new DESCryptoServiceProvider(); inputByteArray = Convert.FromBase64String(EncryptedText); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms des.CreateDecryptor(key rgbIV) CryptoStreamMode.Write); cs.Write(inputByteArray 0 inputByteArray.Length); cs.FlushFinalBlock(); System.Text.Encoding encoding = System.Text.Encoding.UTF8; return encoding.GetString(ms.ToArray()); } catch (Exception e) { return e.Message; } }