Trait ctr::flavors::CtrFlavor

pub trait CtrFlavor<B>where
    Self: Default + Clone,
    B: ArrayLength<u8>,{
    type Nonce: Clone;
    type Backend: SeekNum;

    fn generate_block(&self, nonce: &Self::Nonce) -> GenericArray<u8, B>;
    fn load(block: &GenericArray<u8, B>) -> Self::Nonce;
    fn checked_add(&self, rhs: usize) -> Option<Self>;
    fn increment(&mut self);
    fn from_backend(v: Self::Backend) -> Self;
    fn to_backend(&self) -> Self::Backend;
}

Trait implemented by different counter types used in the CTR mode.

Required Associated Types

type Nonce: Clone

Inner representation of nonce.

type Backend: SeekNum

Backend numeric type

Required Methods

fn generate_block(&self, nonce: &Self::Nonce) -> GenericArray<u8, B>

Generate block for given nonce value.

fn load(block: &GenericArray<u8, B>) -> Self::Nonce

Load nonce value from bytes.

fn checked_add(&self, rhs: usize) -> Option<Self>

Checked addition.

fn increment(&mut self)

Wrapped increment.

fn from_backend(v: Self::Backend) -> Self

Convert from a backend value

fn to_backend(&self) -> Self::Backend

Convert to a backend value

Implementors

impl<B> CtrFlavor<B> for Ctr32BEwhere
    Self: Default + Clone,
    B: ArrayLength<u8> + PartialDiv<U4>,
    PartialQuot<B, U4>: ArrayLength<u32>,

type Nonce = GenericArray<u32, <B as PartialDiv<UInt<UInt<UInt<UTerm, B1>, B0>, B0>>>::Output>

type Backend = u32

impl<B> CtrFlavor<B> for Ctr32LEwhere
    Self: Default + Clone,
    B: ArrayLength<u8> + PartialDiv<U4>,
    PartialQuot<B, U4>: ArrayLength<u32>,

type Nonce = GenericArray<u32, <B as PartialDiv<UInt<UInt<UInt<UTerm, B1>, B0>, B0>>>::Output>

type Backend = u32

impl<B> CtrFlavor<B> for Ctr64BEwhere
    Self: Default + Clone,
    B: ArrayLength<u8> + PartialDiv<U8>,
    PartialQuot<B, U8>: ArrayLength<u64>,

type Nonce = GenericArray<u64, <B as PartialDiv<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>>>::Output>

type Backend = u64

impl<B> CtrFlavor<B> for Ctr64LEwhere
    Self: Default + Clone,
    B: ArrayLength<u8> + PartialDiv<U8>,
    PartialQuot<B, U8>: ArrayLength<u64>,

type Nonce = GenericArray<u64, <B as PartialDiv<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>>>::Output>

type Backend = u64

impl<B> CtrFlavor<B> for Ctr128BEwhere
    Self: Default + Clone,
    B: ArrayLength<u8> + PartialDiv<U16>,
    PartialQuot<B, U16>: ArrayLength<u128>,

type Nonce = GenericArray<u128, <B as PartialDiv<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>>::Output>

type Backend = u128

impl<B> CtrFlavor<B> for Ctr128LEwhere
    Self: Default + Clone,
    B: ArrayLength<u8> + PartialDiv<U16>,
    PartialQuot<B, U16>: ArrayLength<u128>,

type Nonce = GenericArray<u128, <B as PartialDiv<UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>>::Output>

type Backend = u128