Add another ExpandedKey derivation for Offers
authorJeffrey Czyz <jkczyz@gmail.com>
Tue, 7 Feb 2023 21:25:36 +0000 (15:25 -0600)
committerJeffrey Czyz <jkczyz@gmail.com>
Tue, 18 Apr 2023 18:30:32 +0000 (13:30 -0500)
commit336fc023edf3a6cf11cf630898346a7de03bd0f6
tree91831bb74ef30073edf083c097b2286b25513b6c
parentfd426a0018bf017d379eba26d922f6774e9d10e6
Add another ExpandedKey derivation for Offers

To support transient signing pubkeys and payer ids for Offers, add
another key derivation to ExpandedKey. Also useful for constructing
metadata for stateless message authentication.
lightning/src/ln/inbound_payment.rs
lightning/src/util/crypto.rs