Struct nettle::mac::Hmac

pub struct Hmac<H: Hash + NettleHash> { /* private fields */ }

Hashed message authentication code.

Implementations

impl<H: NettleHash> Hmac<H>

pub fn with_key(key: &[u8]) -> Self

Create a new MAC instance with secret key.

Examples found in repository

examples/polymorphic.rs (line 67)

    fn init_mac(&self) -> Box<dyn Mac> {
        if random_bool() {
            Box::new(Hmac::<Sha224>::with_key(&b"123"[..]))
        } else {
            Box::new(Hmac::<Sha256>::with_key(&b"123"[..]))
        }
    }

Trait Implementations

impl<H: NettleHash> Mac for Hmac<H>

fn mac_size(&self) -> usize

Size of the MAC tag i.e. the signature in bytes.

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

Add data to be signed.

fn digest(&mut self, digest: &mut [u8]) -> Result<()>

Produce the MAC tag digest for all data fed via update().