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device: fix private key removal logic

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This commit is contained in:
Jason A. Donenfeld 2020-02-04 18:08:51 +01:00
parent cb4bb63030
commit 6ed56ff2df
1 changed files with 4 additions and 13 deletions
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17
device/device.go
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@ -236,23 +236,14 @@ func (device *Device) SetPrivateKey(sk NoisePrivateKey) error {
// do static-static DH pre-computations
rmKey := device.staticIdentity.privateKey.IsZero()
expiredPeers := make([]*Peer, 0, len(device.peers.keyMap))
for key, peer := range device.peers.keyMap {
for _, peer := range device.peers.keyMap {
handshake := &peer.handshake
if rmKey {
handshake.precomputedStaticStatic = [NoisePublicKeySize]byte{}
} else {
handshake.precomputedStaticStatic = device.staticIdentity.privateKey.sharedSecret(handshake.remoteStatic)
}
handshake.precomputedStaticStatic = device.staticIdentity.privateKey.sharedSecret(handshake.remoteStatic)
if isZero(handshake.precomputedStaticStatic[:]) {
unsafeRemovePeer(device, peer, key)
} else {
expiredPeers = append(expiredPeers, peer)
panic("an invalid peer public key made it into the configuration")
}
expiredPeers = append(expiredPeers, peer)
}
for _, peer := range lockedPeers {