# one-time pad

## EnglishEdit

### NounEdit

**one-time pad** (*plural* **one-time pads**)

- (cryptography) A form of encryption where each bit or character from the plaintext is encrypted by a modular addition with a bit or character from a secret random key (or pad) of the same length as the plaintext.
**One-time pad**s have been proven to be impossible to crack if used correctly.