Trait cmac::Mac[−][src]

pub trait Mac: Clone {
    type OutputSize: ArrayLength<u8>;
    type KeySize: ArrayLength<u8>;
    fn new(key: &GenericArray<u8, Self::KeySize>) -> Self;
    fn input(&mut self, data: &[u8]);
    fn reset(&mut self);
    fn result(self) -> MacResult<Self::OutputSize>;

    fn new_varkey(key: &[u8]) -> Result<Self, InvalidKeyLength> { ... }
    fn result_reset(&mut self) -> MacResult<Self::OutputSize> { ... }
    fn verify(self, code: &[u8]) -> Result<(), MacError> { ... }
}

The Mac trait defines methods for a Message Authentication algorithm.

Associated Types

`type OutputSize: ArrayLength<u8>`

`type KeySize: ArrayLength<u8>`

Required Methods

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

Create new MAC instance from key with fixed size.

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

Process input data.

`fn reset(&mut self)`

Reset Mac instance.

`fn result(self) -> MacResult<Self::OutputSize>`

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

Provided Methods

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

Create 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.

`fn result_reset(&mut self) -> MacResult<Self::OutputSize>`

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

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

Check if code is correct for the processed input.

Implementors

impl<C> Mac for Cmac<C> where C: BlockCipher + Clone, GenericArray<u8, C::BlockSize>: Dbl, C::BlockSize: Clone, type OutputSize = C::BlockSize; type KeySize = C::KeySize;
[src]