Poly1305

Poly1305 is a cryptographic message authentication code (MAC) that was designed by Daniel J. Bernstein. It is used to verify the authenticity and integrity of messages in various cryptographic protocols. Poly1305 is notable for its high efficiency and relatively simple implementation, making it suitable for a wide range of applications. ### Key Features: 1. **Security**: Poly1305 provides strong security guarantees against forgery, given a secure key.