wireguard-go/keypair.go
Jason A. Donenfeld dff424baf8 Update copyright
2019-02-05 12:59:42 +01:00

51 lines
1,003 B
Go

/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
*/
package main
import (
"crypto/cipher"
"git.zx2c4.com/wireguard-go/replay"
"sync"
"time"
)
/* Due to limitations in Go and /x/crypto there is currently
* no way to ensure that key material is securely ereased in memory.
*
* Since this may harm the forward secrecy property,
* we plan to resolve this issue; whenever Go allows us to do so.
*/
type Keypair struct {
sendNonce uint64
send cipher.AEAD
receive cipher.AEAD
replayFilter replay.ReplayFilter
isInitiator bool
created time.Time
localIndex uint32
remoteIndex uint32
}
type Keypairs struct {
mutex sync.RWMutex
current *Keypair
previous *Keypair
next *Keypair
}
func (kp *Keypairs) Current() *Keypair {
kp.mutex.RLock()
defer kp.mutex.RUnlock()
return kp.current
}
func (device *Device) DeleteKeypair(key *Keypair) {
if key != nil {
device.indexTable.Delete(key.localIndex)
}
}