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handshake: remove unnecessary member variable from updatableAEAD

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This commit is contained in:
Marten Seemann 2023-03-28 22:50:21 +09:00
parent af6c19617c
commit 1ebd359b20
2 changed files with 11 additions and 6 deletions
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8
internal/handshake/updatable_aead.go
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@ -27,7 +27,6 @@ type updatableAEAD struct {
firstPacketNumber protocol.PacketNumber
handshakeConfirmed bool
keyUpdateInterval uint64
invalidPacketLimit uint64
invalidPacketCount uint64
@ -74,7 +73,6 @@ func newUpdatableAEAD(rttStats *utils.RTTStats, tracer logging.ConnectionTracer,
largestAcked: protocol.InvalidPacketNumber,
firstRcvdWithCurrentKey: protocol.InvalidPacketNumber,
firstSentWithCurrentKey: protocol.InvalidPacketNumber,
keyUpdateInterval: KeyUpdateInterval,
rttStats: rttStats,
tracer: tracer,
logger: logger,
@ -116,6 +114,7 @@ func (a *updatableAEAD) getNextTrafficSecret(hash crypto.Hash, ts []byte) []byte
return hkdfExpandLabel(hash, ts, []byte{}, "quic ku", hash.Size())
}
// SetReadKey sets the read key.
// For the client, this function is called before SetWriteKey.
// For the server, this function is called after SetWriteKey.
func (a *updatableAEAD) SetReadKey(suite *qtls.CipherSuiteTLS13, trafficSecret []byte) {
@ -129,6 +128,7 @@ func (a *updatableAEAD) SetReadKey(suite *qtls.CipherSuiteTLS13, trafficSecret [
a.nextRcvAEAD = createAEAD(suite, a.nextRcvTrafficSecret, a.version)
}
// SetWriteKey sets the write key.
// For the client, this function is called after SetReadKey.
// For the server, this function is called before SetWriteKey.
func (a *updatableAEAD) SetWriteKey(suite *qtls.CipherSuiteTLS13, trafficSecret []byte) {
@ -284,11 +284,11 @@ func (a *updatableAEAD) shouldInitiateKeyUpdate() bool {
if !a.updateAllowed() {
return false
}
if a.numRcvdWithCurrentKey >= a.keyUpdateInterval {
if a.numRcvdWithCurrentKey >= KeyUpdateInterval {
a.logger.Debugf("Received %d packets with current key phase. Initiating key update to the next key phase: %d", a.numRcvdWithCurrentKey, a.keyPhase+1)
return true
}
if a.numSentWithCurrentKey >= a.keyUpdateInterval {
if a.numSentWithCurrentKey >= KeyUpdateInterval {
a.logger.Debugf("Sent %d packets with current key phase. Initiating key update to the next key phase: %d", a.numSentWithCurrentKey, a.keyPhase+1)
return true
}