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types/key: add ControlPrivate.Shared wrapper too

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Follow-up to cfdb8626738da.

Change-Id: Iab610d761f1e6d88e8bcb584d9c02cafe48fc377
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-07-19 14:39:55 -07:00 committed by Brad Fitzpatrick
parent cfdb862673
commit 9bd3b5b89c
1 changed files with 5 additions and 0 deletions
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5
types/key/control.go
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@ -56,6 +56,11 @@ func (k ControlPrivate) SealTo(p MachinePublic, cleartext []byte) (ciphertext []
return k.mkey.SealTo(p, cleartext)
}
// SharedKey returns the precomputed Nacl box shared key between k and p.
func (k ControlPrivate) SharedKey(p MachinePublic) MachinePrecomputedSharedKey {
return k.mkey.SharedKey(p)
}
// OpenFrom opens the NaCl box ciphertext, which must be a value
// created by SealTo, and returns the inner cleartext if ciphertext is
// a valid box from p to k.