An encryption system operating on a series of keys, each of which is used only one time; they are considered unbreakable. The encryption can be performed with 128-bit ssl encryption for online security.
The only known form of encryption that is unbreakable. It relies on a random key that is the same length as the message. Each key can be used once and only once.
Manual, one-time, cryptosystem produced in pad form. If the individual sheets in the pad are never reused, this cryptosystem cannot be broken