Struct nettle::aead::ChaChaPoly1305

pub struct ChaChaPoly1305 { /* fields omitted */ }

D.J. Bernsteins ChaCha-Poly1305 AEAD stream cipher.

Implementations

impl ChaChaPoly1305

pub const DIGEST_SIZE: usize

Size of a Poly1305 digest in bytes.

pub const KEY_SIZE: usize

Size of the ChaCha key in bytes.

pub const NONCE_SIZE: usize

Size of the ChaChaPoly1305 nonce in bytes.

pub fn with_key_and_nonce(key: &[u8], nonce: &[u8]) -> Result<Self>

Creates a new ChaChaPoly1305 instance with secret key and public nonce.

Trait Implementations

impl Aead for ChaChaPoly1305

fn digest_size(&self) -> usize

Length of the digest in bytes.

fn update(&mut self, ad: &[u8])

Adds associated data ad.

fn encrypt(&mut self, dst: &mut [u8], src: &[u8])

Encrypts one block src to dst.

fn decrypt(&mut self, dst: &mut [u8], src: &[u8])

Decrypts one block src to dst.

fn digest(&mut self, digest: &mut [u8])

Produce the digest.