About Kryptos
Kryptos offers 256-bit AES text encryption, as well as salted CBC encryption with arbitrary key length. It also features password generation in many different character sets (Unicode, ASCII, letters & numbers, only letters, only numbers, or the unique base-256 number system Kryptos uses in its encryption feature).
Base-256 allows any byte to be represented as a single character, whereas the popular base-64 encoding requires 2 characters per byte. This means that encrypted messages are much shorter (aka more efficiently managed, stored, and sent).