Struct tink_prf::subtle::AesCmacPrf

pub struct AesCmacPrf { /* fields omitted */ }

AesCmacPrf is a type that can be used to compute several CMACs with the same key material.

Implementations

impl AesCmacPrf

pub fn new(key: &[u8]) -> Result<AesCmacPrf, TinkError>

Create a new AesCmacPrf object and initialize it with the correct key material.

Trait Implementations

impl Clone for AesCmacPrf

fn clone(&self) -> AesCmacPrf

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Prf for AesCmacPrf

fn compute_prf(
    &self,
    data: &[u8],
    output_length: usize
) -> Result<Vec<u8>, TinkError>

Compute the AES-CMAC for the given key and data, returning output_length bytes. The timing of this function will only depend on data.len(), and not leak any additional information about the key or the data.