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[−][src]Trait hmac::NewMac

pub trait NewMac {
    type KeySize: ArrayLength<u8>;
    fn new(key: &GenericArray<u8, Self::KeySize>) -> Self;

    fn new_varkey(key: &[u8]) -> Result<Self, InvalidKeyLength> { ... }
}

Instantiate a Mac algorithm.

Associated Types

type KeySize: ArrayLength<u8>

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

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Required methods

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

Initialize new MAC instance from key with fixed size.

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Provided methods

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

Initialize new MAC instance from key with variable size.

Default implementation will accept only keys with length equal to KeySize, but some MACs can accept range of key lengths.

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Implementors

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

type KeySize = D::BlockSize

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