Struct OfbCore 

pub struct OfbCore<C>
where
    C: BlockEncryptMut + BlockCipher,
{ /* private fields */ }

Output feedback (OFB) mode.

Trait Implementations

impl<C> AlgorithmName for OfbCore<C>

where C: BlockEncryptMut + BlockCipher + AlgorithmName,

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

Write algorithm name into f.

impl<C> BlockDecryptMut for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

fn decrypt_with_backend_mut( &mut self, f: impl BlockClosure<BlockSize = Self::BlockSize>, )

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

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

Decrypt single inout block.

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

Decrypt inout blocks.

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

Decrypt single block in-place.

fn decrypt_block_b2b_mut( &mut self, in_block: &GenericArray<u8, Self::BlockSize>, out_block: &mut GenericArray<u8, Self::BlockSize>, )

Decrypt in_block and write result to out_block.

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

Decrypt blocks in-place.

fn decrypt_blocks_b2b_mut( &mut self, in_blocks: &[GenericArray<u8, Self::BlockSize>], out_blocks: &mut [GenericArray<u8, Self::BlockSize>], ) -> Result<(), NotEqualError>

Decrypt blocks buffer-to-buffer.

fn decrypt_padded_inout_mut<'inp, 'out, P>( self, data: InOutBuf<'inp, 'out, u8>, ) -> Result<&'out [u8], UnpadError>

where P: Padding<Self::BlockSize>,

Decrypt input and unpad it. Returns resulting ciphertext slice.

fn decrypt_padded_mut<P>(self, buf: &mut [u8]) -> Result<&[u8], UnpadError>

where P: Padding<Self::BlockSize>,

Decrypt input and unpad it in-place. Returns resulting ciphertext slice.

fn decrypt_padded_b2b_mut<'a, P>( self, in_buf: &[u8], out_buf: &'a mut [u8], ) -> Result<&'a [u8], UnpadError>

where P: Padding<Self::BlockSize>,

Decrypt input and unpad it buffer-to-buffer. Returns resulting ciphertext slice.

fn decrypt_padded_vec_mut<P>(self, buf: &[u8]) -> Result<Vec<u8>, UnpadError>

where P: Padding<Self::BlockSize>,

Decrypt input and unpad it in a newly allocated Vec. Returns resulting ciphertext Vec.

impl<C> BlockEncryptMut for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

fn encrypt_with_backend_mut( &mut self, f: impl BlockClosure<BlockSize = Self::BlockSize>, )

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

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

Encrypt single inout block.

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

Encrypt inout blocks.

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

Encrypt single block in-place.

fn encrypt_block_b2b_mut( &mut self, in_block: &GenericArray<u8, Self::BlockSize>, out_block: &mut GenericArray<u8, Self::BlockSize>, )

Encrypt in_block and write result to out_block.

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

Encrypt blocks in-place.

fn encrypt_blocks_b2b_mut( &mut self, in_blocks: &[GenericArray<u8, Self::BlockSize>], out_blocks: &mut [GenericArray<u8, Self::BlockSize>], ) -> Result<(), NotEqualError>

Encrypt blocks buffer-to-buffer.

fn encrypt_padded_inout_mut<'inp, 'out, P>( self, data: InOutBufReserved<'inp, 'out, u8>, ) -> Result<&'out [u8], PadError>

where P: Padding<Self::BlockSize>,

Pad input and encrypt. Returns resulting ciphertext slice.

fn encrypt_padded_mut<P>( self, buf: &mut [u8], msg_len: usize, ) -> Result<&[u8], PadError>

where P: Padding<Self::BlockSize>,

Pad input and encrypt in-place. Returns resulting ciphertext slice.

fn encrypt_padded_b2b_mut<'a, P>( self, msg: &[u8], out_buf: &'a mut [u8], ) -> Result<&'a [u8], PadError>

where P: Padding<Self::BlockSize>,

Pad input and encrypt buffer-to-buffer. Returns resulting ciphertext slice.

fn encrypt_padded_vec_mut<P>(self, msg: &[u8]) -> Vec<u8>

where P: Padding<Self::BlockSize>,

Pad input and encrypt into a newly allocated Vec. Returns resulting ciphertext Vec.

impl<C> BlockSizeUser for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

type BlockSize = <C as BlockSizeUser>::BlockSize

Size of the block in bytes.

fn block_size() -> usize

Return block size in bytes.

impl<C> Clone for OfbCore<C>

where C: BlockEncryptMut + BlockCipher + Clone,

fn clone(&self) -> OfbCore<C>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<C> Debug for OfbCore<C>

where C: BlockEncryptMut + BlockCipher + AlgorithmName,

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

Formats the value using the given formatter.

impl<C: BlockEncryptMut + BlockCipher> Drop for OfbCore<C>

Available on crate feature zeroize only.

fn drop(&mut self)

Executes the destructor for this type.

impl<C> InnerIvInit for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

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.

impl<C> InnerUser for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

type Inner = C

Inner type.

impl<C> IvSizeUser for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

type IvSize = <C as BlockSizeUser>::BlockSize

Initialization vector size in bytes.

fn iv_size() -> usize

Return IV size in bytes.

impl<C> IvState for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

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

Returns current IV state.

impl<C> StreamCipherCore for OfbCore<C>

where C: BlockEncryptMut + BlockCipher,

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: BlockEncryptMut + BlockCipher + ZeroizeOnDrop> ZeroizeOnDrop for OfbCore<C>

Available on crate feature zeroize only.