This class is used to initiate an HPKE session. To establish the session,
first create an HpkeRecipientChannel and use it to obtain the
recipient's Curve25519PublicKey.
The HPKE sender channel can be used to implement the scanning side of
the secure channel from MSC4388.
An unestablished HPKE sender channel.
This class is used to initiate an HPKE session. To establish the session, first create an HpkeRecipientChannel and use it to obtain the recipient's
Curve25519PublicKey.The HPKE sender channel can be used to implement the scanning side of the secure channel from MSC4388.
See the HpkeRecipientChannel documentation for a complete example.