chacha20poly1305

Documentation

Index

• func DecryptAndVerify(key, nonce, message []byte, mac [16]byte, add []byte) ([]byte, error)
• func EncryptAndSeal(key, nonce, message []byte, add []byte) ([]byte, [16]byte, error)

Functions

func DecryptAndVerify

func DecryptAndVerify(key, nonce, message []byte, mac [16]byte, add []byte) ([]byte, error)

DecryptAndVerify returns the chacha20 decrypted messages. An error is returned when the poly1305 message authenticator (seal) could not be verified. Nonce should be 8 byte.

func EncryptAndSeal

func EncryptAndSeal(key, nonce, message []byte, add []byte) ([]byte, [16]byte, error)

EncryptAndSeal returns the chacha20 encrypted message and poly1305 message authentictor (also referred as seals) Nonce should be 8 byte