Struct gost_modes::GostCtr128

pub struct GostCtr128<C, S = <C as BlockCipher>::BlockSize> where
    C: BlockCipher<BlockSize = U16> + BlockEncrypt + NewBlockCipher,
    C::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    S: ArrayLength<u8> + Unsigned + IsGreater<U0> + IsLessOrEqual<U16>,  { /* fields omitted */ }

Counter (CTR) mode of operation for 128-bit block ciphers as defined in GOST R 34.13-2015

Type parameters:

• C: block cipher.
• S: number of block bytes used for message encryption. Default: block size.

Trait Implementations

impl<C: Clone, S: Clone> Clone for GostCtr128<C, S> where
    C: BlockCipher<BlockSize = U16> + BlockEncrypt + NewBlockCipher,
    C::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    S: ArrayLength<u8> + Unsigned + IsGreater<U0> + IsLessOrEqual<U16>, 

fn clone(&self) -> GostCtr128<C, S>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<C, S> FromBlockCipher for GostCtr128<C, S> where
    C: BlockCipher<BlockSize = U16> + BlockEncrypt + NewBlockCipher,
    C::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    S: ArrayLength<u8> + Unsigned + IsGreater<U0> + IsLessOrEqual<U16>, 

type BlockCipher = C

Block cipher

type NonceSize = U8

Nonce size in bytes

fn from_block_cipher(cipher: C, nonce: &GenericArray<u8, U8>) -> Self

Instantiate a stream cipher from a block cipher

impl<C, S> StreamCipher for GostCtr128<C, S> where
    C: BlockCipher<BlockSize = U16> + BlockEncrypt + NewBlockCipher,
    C::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    S: ArrayLength<u8> + Unsigned + IsGreater<U0> + IsLessOrEqual<U16>, 

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<C, S> StreamCipherSeek for GostCtr128<C, S> where
    C: BlockCipher<BlockSize = U16> + BlockEncrypt + NewBlockCipher,
    C::ParBlocks: ArrayLength<GenericArray<u8, U16>>,
    S: ArrayLength<u8> + Unsigned + IsGreater<U0> + IsLessOrEqual<U16>, 

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

Try to get current keystream position

fn try_seek<T: SeekNum>(&mut self, pos: T) -> 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