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add a unit test using the ChaCha20 test vector from the draft

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This commit is contained in:
Marten Seemann
2020-06-02 16:01:50 +07:00
parent c8e5bb5b50
commit 28fd878778
1 changed files with 18 additions and 0 deletions
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18
internal/handshake/updatable_aead_test.go
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@@ -9,12 +9,30 @@ import (
"github.com/lucas-clemente/quic-go/internal/congestion"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/utils"
"github.com/marten-seemann/qtls"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Updatable AEAD", func() {
It("ChaCha test vector from the draft", func() {
secret := splitHexString("9ac312a7f877468ebe69422748ad00a1 5443f18203a07d6060f688f30f21632b")
aead := newUpdatableAEAD(&congestion.RTTStats{}, nil, nil)
chacha := cipherSuites[2]
Expect(chacha.ID).To(Equal(qtls.TLS_CHACHA20_POLY1305_SHA256))
aead.SetWriteKey(chacha, secret)
header := splitHexString("4200bff4")
const pnOffset = 1
payloadOffset := len(header)
plaintext := splitHexString("01")
payload := aead.Seal(nil, plaintext, 654360564, header)
Expect(payload).To(Equal(splitHexString("655e5cd55c41f69080575d7999c25a5bfb")))
packet := append(header, payload...)
aead.EncryptHeader(packet[pnOffset+4:pnOffset+4+16], &packet[0], packet[pnOffset:payloadOffset])
Expect(packet).To(Equal(splitHexString("4cfe4189655e5cd55c41f69080575d7999c25a5bfb")))
})
for i := range cipherSuites {
cs := cipherSuites[i]