Struct ctr::Ctr

pub struct Ctr<B, F> where
    B: BlockEncrypt + BlockCipher<BlockSize = U16>,
    B::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    B::BlockSize: Div<F::Size>,
    F: CtrFlavor,  { /* fields omitted */ }

Generic CTR block mode isntance.

Implementations

impl<B, F> Ctr<B, F> where
    B: BlockEncrypt + BlockCipher<BlockSize = U16>,
    B::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    B::BlockSize: Div<F::Size>,
    F: CtrFlavor, 

pub fn seek_block(&mut self, block: F::Backend)

Seek to the given block

pub fn current_block(&self) -> F::Backend

Return number of the current block

Trait Implementations

impl<B: Clone, F: Clone> Clone for Ctr<B, F> where
    B: BlockEncrypt + BlockCipher<BlockSize = U16>,
    B::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    B::BlockSize: Div<F::Size>,
    F: CtrFlavor,
    F::Size: Clone, 

fn clone(&self) -> Ctr<B, F>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<B, F> Debug for Ctr<B, F> where
    B: BlockEncrypt + BlockCipher<BlockSize = U16> + Debug,
    B::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    B::BlockSize: Div<F::Size>,
    F: CtrFlavor + Debug, 

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

Formats the value using the given formatter.

impl<B, F> FromBlockCipher for Ctr<B, F> where
    B: BlockEncrypt + BlockCipher<BlockSize = U16>,
    B::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    B::BlockSize: Div<F::Size>,
    F: CtrFlavor, 

type BlockCipher = B

Block cipher

type NonceSize = B::BlockSize

Nonce size in bytes

fn from_block_cipher(cipher: B, nonce: &Block<B>) -> Self

Instantiate a stream cipher from a block cipher

impl<B, F> StreamCipher for Ctr<B, F> where
    B: BlockEncrypt + BlockCipher<BlockSize = U16>,
    B::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    B::BlockSize: Div<F::Size>,
    F: CtrFlavor, 

fn try_apply_keystream(&mut self, data: &mut [u8]) -> Result<(), LoopError>

Apply keystream to the data, but return an error if end of a keystream will be reached.

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

Apply keystream to the data.

impl<B, F> StreamCipherSeek for Ctr<B, F> where
    B: BlockEncrypt + BlockCipher<BlockSize = U16>,
    B::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    B::BlockSize: Div<F::Size>,
    F: CtrFlavor, 

fn try_current_pos<T: SeekNum>(&self) -> Result<T, OverflowError>

Try to get current keystream position

fn try_seek<S: SeekNum>(&mut self, pos: S) -> Result<(), LoopError>

Try to seek to the given position

pub fn current_pos<T>(&self) -> T where
    T: SeekNum, 

Get current keystream position

pub fn seek<T>(&mut self, pos: T) where
    T: SeekNum, 

Seek to the given position