Introduction - If you have any usage issues, please Google them yourself
Vigenere encrypted password alone, such as clear as the table Substitution: wearediscoveredsaveyourself key stream is: ddeferfrfdwfefeggasdwfeffrg ciphertext flow: asfhjkhfkjerhfkjbjkfbdjkfgjk that Ci = (Ki+ Pi) 26 pi = (Ci-Ki) 26 required to achieve encryption and decryption , C or C++ descriptions source.