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package main
import (
"crypto/cipher"
"sync"
"time"
)
type KeyPair struct {
recv cipher.AEAD
recvNonce uint64
send cipher.AEAD
sendNonce uint64
isInitiator bool
created time.Time
}
type KeyPairs struct {
mutex sync.RWMutex
current *KeyPair
previous *KeyPair
next *KeyPair // not yet "confirmed by transport"
newKeyPair chan bool // signals when "current" has been updated
}
func (kp *KeyPairs) Init() {
kp.mutex.Lock()
kp.newKeyPair = make(chan bool, 5)
kp.mutex.Unlock()
}
func (kp *KeyPairs) Current() *KeyPair {
kp.mutex.RLock()
defer kp.mutex.RUnlock()
return kp.current
}
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