Struct hmac::Hmac

pub struct Hmac<D>where
    D: Update + BlockInput + FixedOutput + Reset + Default + Clone,
    D::BlockSize: ArrayLength<u8>,{ /* private fields */ }

The Hmac struct represents an HMAC using a given hash function D.

Trait Implementations

impl<D> Clone for Hmac<D>where
    D: Update + BlockInput + FixedOutput + Reset + Default + Clone,
    D::BlockSize: ArrayLength<u8>,

fn clone(&self) -> Hmac<D>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<D> Debug for Hmac<D>where
    D: Update + BlockInput + FixedOutput + Reset + Default + Clone + Debug,
    D::BlockSize: ArrayLength<u8>,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<D> Mac for Hmac<D>where
    D: Update + BlockInput + FixedOutput + Reset + Default + Clone,
    D::BlockSize: ArrayLength<u8>,
    D::OutputSize: ArrayLength<u8>,

type OutputSize = <D as FixedOutput>::OutputSize

Output size of the [Mac]

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

Update MAC state with the given data.

fn finalize(self) -> Output<Self>

Obtain the result of a Mac computation as a Output and consume Mac instance.

fn reset(&mut self)

Reset Mac instance.

fn finalize_reset(&mut self) -> Output<Self>

Obtain the result of a Mac computation as a Output and reset Mac instance.

fn verify(self, tag: &[u8]) -> Result<(), MacError>

Check if tag/code value is correct for the processed input.

impl<D> NewMac for Hmac<D>where
    D: Update + BlockInput + FixedOutput + Reset + Default + Clone,
    D::BlockSize: ArrayLength<u8>,
    D::OutputSize: ArrayLength<u8>,

type KeySize = <D as BlockInput>::BlockSize

Key size in bytes with which cipher guaranteed to be initialized.

fn new(key: &GenericArray<u8, Self::KeySize>) -> Self

Initialize new MAC instance from key with fixed size.

fn new_from_slice(key: &[u8]) -> Result<Self, InvalidKeyLength>

Initialize new MAC instance from key with variable size.