poly1305

Documentation

Overview

Package poly1305 implements Poly1305 one-time message authentication code as specified in http://cr.yp.to/mac/poly1305-20050329.pdf. This package provides a streaming interface, unlike "golang.org/x/crypto/poly1305".

For readability, we do not gofmt this file.

Index

• Constants
• func New(key *[32]byte) hash.Hash

Constants

const BlockSize = 16

const Size = 16

Functions

func New

func New(key *[32]byte) hash.Hash

New returns a new Poly1305 authenticator using the given key. The key must not be reused with a different message: "Authenticators for two messages under the same key should be expected to reveal enough information to allow forgeries of authenticators on other messages." See: http://nacl.cr.yp.to/onetimeauth.html