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keychain/derivation: add KeyFamilyTowerKey distinct from NodeID

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Conner Fromknecht 2019-06-20 16:55:32 -07:00
parent f7da87acc4
commit a7415336bc
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keychain/derivation.go
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@ -96,6 +96,13 @@ const (
// session keys are limited to the lifetime of the session and are used
// to increase privacy in the watchtower protocol.
KeyFamilyTowerSession KeyFamily = 8
// KeyFamilyTowerID is the family of keys used to derive the public key
// of a watchtower. This made distinct from the node key to offer a form
// of rudimentary whitelisting, i.e. via knowledge of the pubkey,
// preventing others from having full access to the tower just as a
// result of knowing the node key.
KeyFamilyTowerID KeyFamily = 9
)
// KeyLocator is a two-tuple that can be used to derive *any* key that has ever