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implement unpacking of 0-RTT packets

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This commit is contained in:
Marten Seemann 2019-08-04 13:49:36 +07:00
parent c5f74595ca
commit fc37cdc5c5
5 changed files with 51 additions and 2 deletions
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23
packet_unpacker_test.go
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@ -78,6 +78,29 @@ var _ = Describe("Packet Unpacker", func() {
Expect(packet.data).To(Equal([]byte("decrypted")))
})
It("opens 0-RTT packets", func() {
extHdr := &wire.ExtendedHeader{
Header: wire.Header{
IsLongHeader: true,
Type: protocol.PacketType0RTT,
Length: 3 + 6, // packet number len + payload
DestConnectionID: connID,
Version: version,
},
PacketNumber: 2,
PacketNumberLen: 3,
}
hdr, hdrRaw := getHeader(extHdr)
opener := mocks.NewMockLongHeaderOpener(mockCtrl)
cs.EXPECT().Get0RTTOpener().Return(opener, nil)
opener.EXPECT().DecryptHeader(gomock.Any(), gomock.Any(), gomock.Any())
opener.EXPECT().Open(gomock.Any(), payload, extHdr.PacketNumber, hdrRaw).Return([]byte("decrypted"), nil)
packet, err := unpacker.Unpack(hdr, time.Now(), append(hdrRaw, payload...))
Expect(err).ToNot(HaveOccurred())
Expect(packet.encryptionLevel).To(Equal(protocol.Encryption0RTT))
Expect(packet.data).To(Equal([]byte("decrypted")))
})
It("returns the error when getting the sealer fails", func() {
extHdr := &wire.ExtendedHeader{
Header: wire.Header{DestConnectionID: connID},