Enum PresentationBinding 

pub enum PresentationBinding {
    Challenge {
        nonce: Vec<u8>,
    },
    Ttl {
        nonce: Vec<u8>,
        not_after: DateTime<Utc>,
    },
}

The presentation binding mode carried in a PresentationEnvelope.

Selects how the nonce in the signed (cred-SAID || audience || nonce) is judged: a verifier-issued challenge (single-use, interactive) or a self-asserted TTL window (non-interactive, with the documented within-TTL same-audience replay residual).

Variants

Challenge

Interactive challenge-response: the nonce is the verifier-issued challenge the subject signed over. The verifier accepts it once (the session consumes it).

Fields

nonce: Vec<u8>

The verifier-issued nonce the subject signed.

Ttl

Non-interactive: the nonce is a subject-chosen value bound to a short TTL. Valid while now < not_after. Carries the within-TTL replay residual.

Fields

nonce: Vec<u8>

The subject-chosen nonce the subject signed (uniqueness, not single-use).

not_after: DateTime<Utc>

The presentation’s expiry; now >= not_after → PresentationVerdict::Expired.

Trait Implementations

impl Clone for PresentationBinding

fn clone(&self) -> PresentationBinding

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PresentationBinding

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

Formats the value using the given formatter.

impl Eq for PresentationBinding

impl PartialEq for PresentationBinding

fn eq(&self, other: &PresentationBinding) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for PresentationBinding