private string DecryptPrivate(string str) { var receiveData = new List <byte>(); char[] table = { ' ', '-', '.', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'n' }; int count; for (count = 0; count < str.Length; count++) { if (str[count] <= 0x7A) { int len = str[count]; for (var i = 0; i < len; i++) { count++; try { receiveData.Add(unchecked ((byte)(str[count] ^ 0xFF))); } #pragma warning disable CA1031 // Do not catch general exception types catch #pragma warning restore CA1031 // Do not catch general exception types { receiveData.Add(255); } } } else { int len = str[count]; len &= 0x7F; for (var i = 0; i < len; i++) { count++; int highbyte = str.Length > count ? str[count] : 0; highbyte &= 0xF0; highbyte >>= 0x4; int lowbyte = str.Length > count ? str[count] : 0; lowbyte &= 0x0F; if ((highbyte != 0x0) && (highbyte != 0xF)) { receiveData.Add(unchecked ((byte)table[highbyte - 1])); i++; } if ((lowbyte != 0x0) && (lowbyte != 0xF)) { receiveData.Add(unchecked ((byte)table[lowbyte - 1])); } } } } return(_region.GetEncoding() !.GetString(receiveData.ToArray())); }
private string DecryptPrivate(string str) { var receiveData = new List <byte>(); char[] table = { ' ', '-', '.', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'n' }; int count; for (count = 0; count < str.Length; count++) { if (str[count] <= 0x7A) { int len = str[count]; for (var i = 0; i < len; i++) { count++; try { receiveData.Add(unchecked ((byte)(str[count] ^ 0xFF))); } catch { receiveData.Add(255); } } } else { int len = str[count]; len &= 0x7F; for (var i = 0; i < len; i++) { count++; int highbyte; try { highbyte = str[count]; } catch { highbyte = 0; } highbyte &= 0xF0; highbyte >>= 0x4; int lowbyte; try { lowbyte = str[count]; } catch { lowbyte = 0; } lowbyte &= 0x0F; if ((highbyte != 0x0) && (highbyte != 0xF)) { receiveData.Add(unchecked ((byte)table[highbyte - 1])); i++; } if ((lowbyte != 0x0) && (lowbyte != 0xF)) { receiveData.Add(unchecked ((byte)table[lowbyte - 1])); } } } } return(_region.GetEncoding().GetString(receiveData.ToArray())); }