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package dns
import (
"encoding/binary"
"testing"
"time"
)
func newTsig(algo string) *Msg {
m := new(Msg)
m.SetQuestion("example.org.", TypeA)
m.SetTsig("example.", algo, 300, time.Now().Unix())
return m
}
func TestTsig(t *testing.T) {
m := newTsig(HmacMD5)
buf, _, err := TsigGenerate(m, "pRZgBrBvI4NAHZYhxmhs/Q==", "", false)
if err != nil {
t.Fatal(err)
}
err = TsigVerify(buf, "pRZgBrBvI4NAHZYhxmhs/Q==", "", false)
if err != nil {
t.Fatal(err)
}
// TSIG accounts for ID substitution. This means if the message ID is
// changed by a forwarder, we should still be able to verify the TSIG.
m = newTsig(HmacMD5)
buf, _, err = TsigGenerate(m, "pRZgBrBvI4NAHZYhxmhs/Q==", "", false)
if err != nil {
t.Fatal(err)
}
binary.BigEndian.PutUint16(buf[0:2], uint16(42))
err = TsigVerify(buf, "pRZgBrBvI4NAHZYhxmhs/Q==", "", false)
if err != nil {
t.Fatal(err)
}
}
func TestTsigCase(t *testing.T) {
m := newTsig("HmAc-mD5.sig-ALg.rEg.int.") // HmacMD5
buf, _, err := TsigGenerate(m, "pRZgBrBvI4NAHZYhxmhs/Q==", "", false)
if err != nil {
t.Fatal(err)
}
err = TsigVerify(buf, "pRZgBrBvI4NAHZYhxmhs/Q==", "", false)
if err != nil {
t.Fatal(err)
}
}
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