Struct KeyScheduleEarly

pub(crate) struct KeyScheduleEarly {
    ks: KeySchedule,
}

The “early secret” stage of the key schedule WITH a PSK.

This is only useful when you need to use one of the binder keys, the “client_early_traffic_secret”, or “early_exporter_master_secret”.

See KeySchedulePreHandshake for more information.

Fields

ks: KeySchedule

Implementations

impl KeyScheduleEarly

pub(crate) fn new(suite: &'static Tls13CipherSuite, secret: &[u8]) -> Self

pub(crate) fn client_early_traffic_secret( &self, hs_hash: &Output, key_log: &dyn KeyLog, client_random: &[u8; 32], common: &mut CommonState, )

Computes the client_early_traffic_secret and writes it to common.

hs_hash is Transcript-Hash(ClientHello).

Derive-Secret(., "c e traffic", ClientHello)
              = client_early_traffic_secret

pub(crate) fn resumption_psk_binder_key_and_sign_verify_data( &self, hs_hash: &Output, ) -> Tag

Trait Implementations

impl From<KeyScheduleEarly> for KeySchedulePreHandshake

Creates a key schedule with a PSK.

fn from(_: KeyScheduleEarly) -> Self

Converts to this type from the input type.