Struct ReplayProtection 

pub struct ReplayProtection { /* private fields */ }

Replay protection using nonce tracking

Tracks seen nonces within a time window to prevent replay attacks. Old nonces are automatically cleaned up to prevent memory exhaustion.

Implementations

impl ReplayProtection

pub fn new() -> Self

Create new replay protection with default settings

Default window: 120 seconds (2x the timestamp validation window) Max entries: 100,000 nonces

pub fn with_config(window: Duration, max_entries: usize) -> Self

Create with custom window and max entries

pub fn check_and_record(&self, nonce: u32) -> Result<()>

Check if nonce has been seen before and record it

Returns:

• Ok(()) if nonce is new
• Err if nonce is duplicate (replay attack detected)

pub fn stats(&self) -> ReplayProtectionStats

Get current cache statistics

Trait Implementations

impl Default for ReplayProtection

fn default() -> Self

Returns the “default value” for a type.