Struct ctr::CtrCore

pub struct CtrCore<C, F>
where
    C: BlockEncryptMut + BlockCipher,
    F: CtrFlavor<C::BlockSize>,
{
    cipher: C,
    ctr_nonce: F::CtrNonce,
}

Generic CTR block mode instance.

Fields

cipher: C

ctr_nonce: F::CtrNonce

Trait Implementations

impl<C, F> AlgorithmName for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher + AlgorithmName, F: CtrFlavor<C::BlockSize>,

fn write_alg_name(f: &mut Formatter<'_>) -> Result

Write algorithm name into f.

impl<C, F> BlockSizeUser for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher, F: CtrFlavor<C::BlockSize>,

type BlockSize = <C as BlockSizeUser>::BlockSize

Size of the block in bytes.

fn block_size() -> usize

Return block size in bytes.

impl<C, F> Clone for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher + Clone, F: CtrFlavor<C::BlockSize>,

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<C, F> Debug for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher + AlgorithmName, F: CtrFlavor<C::BlockSize>,

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

Formats the value using the given formatter.

impl<C, F> InnerIvInit for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher, F: CtrFlavor<C::BlockSize>,

fn inner_iv_init(cipher: C, iv: &Iv<Self>) -> Self

Initialize value using inner and iv array.

fn inner_iv_slice_init( inner: Self::Inner, iv: &[u8], ) -> Result<Self, InvalidLength>

Initialize value using inner and iv slice.

fn generate_iv(rng: impl CryptoRng + RngCore) -> GenericArray<u8, Self::IvSize>

Generate random IV using the provided CryptoRng.

impl<C, F> InnerUser for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher, F: CtrFlavor<C::BlockSize>,

type Inner = C

Inner type.

impl<C, F> IvSizeUser for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher, F: CtrFlavor<C::BlockSize>,

type IvSize = <C as BlockSizeUser>::BlockSize

Initialization vector size in bytes.

fn iv_size() -> usize

Return IV size in bytes.

impl<C, F> IvState for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher, F: CtrFlavor<C::BlockSize>,

fn iv_state(&self) -> Iv<Self>

Returns current IV state.

impl<C, F> StreamCipherCore for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher, F: CtrFlavor<C::BlockSize>,

fn remaining_blocks(&self) -> Option<usize>

Return number of remaining blocks before cipher wraps around.

fn process_with_backend( &mut self, f: impl StreamClosure<BlockSize = Self::BlockSize>, )

Process data using backend provided to the rank-2 closure.

fn write_keystream_block( &mut self, block: &mut GenericArray<u8, Self::BlockSize>, )

Write keystream block.

fn write_keystream_blocks( &mut self, blocks: &mut [GenericArray<u8, Self::BlockSize>], )

Write keystream blocks.

fn apply_keystream_block_inout( &mut self, block: InOut<'_, '_, GenericArray<u8, Self::BlockSize>>, )

Apply keystream block.

fn apply_keystream_blocks( &mut self, blocks: &mut [GenericArray<u8, Self::BlockSize>], )

Apply keystream blocks.

fn apply_keystream_blocks_inout( &mut self, blocks: InOutBuf<'_, '_, GenericArray<u8, Self::BlockSize>>, )

Apply keystream blocks.

fn try_apply_keystream_partial( self, buf: InOutBuf<'_, '_, u8>, ) -> Result<(), StreamCipherError>

Try to apply keystream to data not divided into blocks.

fn apply_keystream_partial(self, buf: InOutBuf<'_, '_, u8>)

Try to apply keystream to data not divided into blocks.

impl<C, F> StreamCipherSeekCore for CtrCore<C, F>

where C: BlockEncryptMut + BlockCipher, F: CtrFlavor<C::BlockSize>,

type Counter = <F as CtrFlavor<<C as BlockSizeUser>::BlockSize>>::Backend

Counter type used inside stream cipher.

fn get_block_pos(&self) -> Self::Counter

Get current block position.

fn set_block_pos(&mut self, pos: Self::Counter)

Set block position.