Struct PacketReplayWindow 

pub struct PacketReplayWindow { /* private fields */ }

Bounded replay window for security envelopes.

Implementations

impl PacketReplayWindow

pub fn new(max_seen: usize) -> Self

Creates an empty replay window.

pub fn len(&self) -> usize

Returns retained nonce count.

pub fn is_empty(&self) -> bool

Returns whether no nonces are retained.

pub fn contains(&self, key_id: u32, nonce: u64) -> bool

Returns whether a (key_id, nonce) pair was already accepted.

pub fn accept(&mut self, key_id: u32, nonce: u64) -> bool

Records a (key_id, nonce) pair if it has not been seen.

Trait Implementations

impl Clone for PacketReplayWindow

fn clone(&self) -> PacketReplayWindow

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PacketReplayWindow

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

Formats the value using the given formatter.

impl Default for PacketReplayWindow

fn default() -> Self

Returns the “default value” for a type.