Struct PresenceKeepAliveEvent 

pub struct PresenceKeepAliveEvent {
    pub fingerprint: [u8; 32],
}

Heartbeat published by the FIDO server every time it replies to an RP with a “retry me” status (ConditionNotSatisfied for U2F, UserActionPending for CTAP2). Subscribers — the Security Keys app while its user-presence modal is up — use these to distinguish an active RP from an abandoned one and auto-dismiss the modal when the heartbeat stops.

The fingerprint is the SHA-256 of the current in-flight request, exposed so the UI can ignore heartbeats for a different fingerprint if a newer request has taken over.

Fields

fingerprint: [u8; 32]

Trait Implementations

impl Archive for PresenceKeepAliveEvent

where [u8; 32]: Archive,

const COPY_OPTIMIZATION: CopyOptimization<Self>

An optimization flag that allows the bytes of this type to be copied directly to a writer instead of calling serialize.

type Archived = ArchivedPresenceKeepAliveEvent

The archived representation of this type.

type Resolver = PresenceKeepAliveEventResolver

The resolver for this type. It must contain all the additional information from serializing needed to make the archived type from the normal type.

fn resolve(&self, resolver: Self::Resolver, out: Place<Self::Archived>)

Creates the archived version of this value at the given position and writes it to the given output.

impl Clone for PresenceKeepAliveEvent

fn clone(&self) -> PresenceKeepAliveEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PresenceKeepAliveEvent

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

Formats the value using the given formatter.

impl<__D: Fallible + ?Sized> Deserialize<PresenceKeepAliveEvent, __D> for Archived<PresenceKeepAliveEvent>

where [u8; 32]: Archive, <[u8; 32] as Archive>::Archived: Deserialize<[u8; 32], __D>,

fn deserialize( &self, deserializer: &mut __D, ) -> Result<PresenceKeepAliveEvent, <__D as Fallible>::Error>

Deserializes using the given deserializer

impl<__S: Fallible + ?Sized> Serialize<__S> for PresenceKeepAliveEvent

where [u8; 32]: Serialize<__S>,

fn serialize( &self, serializer: &mut __S, ) -> Result<<Self as Archive>::Resolver, <__S as Fallible>::Error>

Writes the dependencies for the object and returns a resolver that can create the archived type.