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crypto/tls: send two session tickets to TLS 1.3 clients

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This commit is contained in:
Filippo Valsorda 2017-01-30 18:03:46 +00:00 committed by Peter Wu
parent 44df381ccb
commit 9b94b65b7b
1 changed files with 20 additions and 14 deletions
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34
13.go
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@ -24,6 +24,10 @@ import (
"golang_org/x/crypto/curve25519" "golang_org/x/crypto/curve25519"
) )
// numSessionTickets is the number of different session tickets the
// server sends to a TLS 1.3 client, whom will use each only once.
const numSessionTickets = 2
func (hs *serverHandshakeState) doTLS13Handshake() error { func (hs *serverHandshakeState) doTLS13Handshake() error {
config := hs.c.config config := hs.c.config
c := hs.c c := hs.c
@ -544,20 +548,22 @@ func (hs *serverHandshakeState) sendSessionTicket13() error {
maxEarlyDataLen: c.config.Max0RTTDataSize, maxEarlyDataLen: c.config.Max0RTTDataSize,
} }
ticket, err := c.encryptTicket(sessionState.marshal()) for i := 0; i < numSessionTickets; i++ {
if err != nil { ticket, err := c.encryptTicket(sessionState.marshal())
c.sendAlert(alertInternalError) if err != nil {
return err c.sendAlert(alertInternalError)
} return err
ticketMsg := &newSessionTicketMsg13{ }
lifetime: 24 * 3600, // TODO(filippo) ticketMsg := &newSessionTicketMsg13{
maxEarlyDataLength: c.config.Max0RTTDataSize, lifetime: 24 * 3600, // TODO(filippo)
withEarlyDataInfo: c.config.Max0RTTDataSize > 0, maxEarlyDataLength: c.config.Max0RTTDataSize,
ageAdd: sessionState.ageAdd, withEarlyDataInfo: c.config.Max0RTTDataSize > 0,
ticket: ticket, ageAdd: sessionState.ageAdd,
} ticket: ticket,
if _, err := c.writeRecord(recordTypeHandshake, ticketMsg.marshal()); err != nil { }
return err if _, err := c.writeRecord(recordTypeHandshake, ticketMsg.marshal()); err != nil {
return err
}
} }
return nil return nil