Struct AesCcm

pub struct AesCcm<'c, const KEY_SIZE: usize, const TAG_SIZE: usize, const IV_SIZE: usize> { /* private fields */ }

AES-CCM Cipher Mode

Implementations

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize, const IV_SIZE: usize> AesCcm<'c, KEY_SIZE, TAG_SIZE, IV_SIZE>

pub fn new( key: &'c [u8; KEY_SIZE], iv: &'c [u8; IV_SIZE], aad_len: usize, payload_len: usize, ) -> Self

Constructs a new AES-CCM cipher for a cryptographic operation.

Trait Implementations

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize, const IV_SIZE: usize> Cipher<'c> for AesCcm<'c, KEY_SIZE, TAG_SIZE, IV_SIZE>

const BLOCK_SIZE: usize = 16usize

Processing block size. Determined by the processor and the algorithm.

fn key(&self) -> &'c [u8]

Returns the symmetric key.

fn iv(&self) -> &[u8]

Returns the initialization vector.

fn set_algomode(&self, p: Cryp)

Sets the processor algorithm mode according to the associated cipher.

fn init_phase_blocking<T: Instance, DmaIn, DmaOut>( &self, p: Cryp, cryp: &Cryp<'_, T, DmaIn, DmaOut>, )

Performs any cipher-specific initialization.

async fn init_phase<T: Instance, DmaIn, DmaOut>( &self, p: Cryp, cryp: &mut Cryp<'_, T, DmaIn, DmaOut>, )

where DmaIn: DmaIn<T>, DmaOut: DmaOut<T>,

Performs any cipher-specific initialization.

fn get_header_block(&self) -> &[u8]

Returns the AAD header block as required by the cipher.

fn pre_final(&self, p: Cryp, dir: Direction, _padding_len: usize) -> [u32; 4]

Called prior to processing the last data block for cipher-specific operations.

fn post_final_blocking<T: Instance, DmaIn, DmaOut>( &self, p: Cryp, cryp: &Cryp<'_, T, DmaIn, DmaOut>, dir: Direction, int_data: &mut [u8; 16], temp1: [u32; 4], padding_mask: [u8; 16], )

Called after processing the last data block for cipher-specific operations.

async fn post_final<T: Instance, DmaIn, DmaOut>( &self, p: Cryp, cryp: &mut Cryp<'_, T, DmaIn, DmaOut>, dir: Direction, int_data: &mut [u8; 16], temp1: [u32; 4], padding_mask: [u8; 16], )

where DmaIn: DmaIn<T>, DmaOut: DmaOut<T>,

Called after processing the last data block for cipher-specific operations.

const REQUIRES_PADDING: bool = false

Indicates whether the cipher requires the application to provide padding. If true, no partial blocks will be accepted (a panic will occur).

fn prepare_key(&self, _p: Cryp)

Performs any key preparation within the processor, if necessary.

impl<'c, const KEY_SIZE: usize, const IV_SIZE: usize> CipherAuthenticated<10> for AesCcm<'c, KEY_SIZE, 10, IV_SIZE>

const TAG_SIZE: usize = TAG_SIZE

Defines the authentication tag size.

impl<'c, const KEY_SIZE: usize, const IV_SIZE: usize> CipherAuthenticated<12> for AesCcm<'c, KEY_SIZE, 12, IV_SIZE>

const TAG_SIZE: usize = TAG_SIZE

Defines the authentication tag size.

impl<'c, const KEY_SIZE: usize, const IV_SIZE: usize> CipherAuthenticated<14> for AesCcm<'c, KEY_SIZE, 14, IV_SIZE>

const TAG_SIZE: usize = TAG_SIZE

Defines the authentication tag size.

impl<'c, const KEY_SIZE: usize, const IV_SIZE: usize> CipherAuthenticated<16> for AesCcm<'c, KEY_SIZE, 16, IV_SIZE>

const TAG_SIZE: usize = TAG_SIZE

Defines the authentication tag size.

impl<'c, const KEY_SIZE: usize, const IV_SIZE: usize> CipherAuthenticated<4> for AesCcm<'c, KEY_SIZE, 4, IV_SIZE>

const TAG_SIZE: usize = TAG_SIZE

Defines the authentication tag size.

impl<'c, const KEY_SIZE: usize, const IV_SIZE: usize> CipherAuthenticated<6> for AesCcm<'c, KEY_SIZE, 6, IV_SIZE>

const TAG_SIZE: usize = TAG_SIZE

Defines the authentication tag size.

impl<'c, const KEY_SIZE: usize, const IV_SIZE: usize> CipherAuthenticated<8> for AesCcm<'c, KEY_SIZE, 8, IV_SIZE>

const TAG_SIZE: usize = TAG_SIZE

Defines the authentication tag size.

impl<'c, const TAG_SIZE: usize, const IV_SIZE: usize> CipherSized for AesCcm<'c, { _ }, TAG_SIZE, IV_SIZE>

impl<'c, const TAG_SIZE: usize, const IV_SIZE: usize> CipherSized for AesCcm<'c, { _ }, TAG_SIZE, IV_SIZE>

impl<'c, const TAG_SIZE: usize, const IV_SIZE: usize> CipherSized for AesCcm<'c, { _ }, TAG_SIZE, IV_SIZE>

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize> IVSized for AesCcm<'c, KEY_SIZE, TAG_SIZE, 10>

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize> IVSized for AesCcm<'c, KEY_SIZE, TAG_SIZE, 11>

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize> IVSized for AesCcm<'c, KEY_SIZE, TAG_SIZE, 12>

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize> IVSized for AesCcm<'c, KEY_SIZE, TAG_SIZE, 13>

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize> IVSized for AesCcm<'c, KEY_SIZE, TAG_SIZE, 7>

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize> IVSized for AesCcm<'c, KEY_SIZE, TAG_SIZE, 8>

impl<'c, const KEY_SIZE: usize, const TAG_SIZE: usize> IVSized for AesCcm<'c, KEY_SIZE, TAG_SIZE, 9>