Encrypt and Decrypt text using alphabet shifting method
Decrypt char [] alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" .ToCharArray(); char [] cypertext = (txtCyperText.Text.ToUpper()).ToCharArray(); string decryptText = "" ; foreach ( char item in cypertext) { for ( int i = 0; i < alpha.Length; i++) { if (item == 'A' ) ...