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package revocation
import (
"bytes"
"encoding/hex"
"gnunet/crypto"
"gnunet/enums"
"testing"
"github.com/bfix/gospel/data"
)
// Test revocation with test vector defined in the RFC draft.
func TestRevocationRFC(t *testing.T) {
var (
D = "6fea32c05af58bfa979553d188605fd57d8bf9cc263b78d5f7478c07b998ed70"
ZKEY = "000100002ca223e879ecc4bbdeb5da17319281d63b2e3b6955f1c3775c804a98d5f8ddaa"
PROOF = "" +
"0005d66da3598127" +
"0000395d1827c000" +
"3ab877d07570f2b8" +
"3ab877d07570f332" +
"3ab877d07570f4f5" +
"3ab877d07570f50f" +
"3ab877d07570f537" +
"3ab877d07570f599" +
"3ab877d07570f5cd" +
"3ab877d07570f5d9" +
"3ab877d07570f66a" +
"3ab877d07570f69b" +
"3ab877d07570f72f" +
"3ab877d07570f7c3" +
"3ab877d07570f843" +
"3ab877d07570f8d8" +
"3ab877d07570f91b" +
"3ab877d07570f93a" +
"3ab877d07570f944" +
"3ab877d07570f98a" +
"3ab877d07570f9a7" +
"3ab877d07570f9b0" +
"3ab877d07570f9df" +
"3ab877d07570fa05" +
"3ab877d07570fa3e" +
"3ab877d07570fa63" +
"3ab877d07570fa84" +
"3ab877d07570fa8f" +
"3ab877d07570fa91" +
"3ab877d07570fad6" +
"3ab877d07570fb0a" +
"3ab877d07570fc0f" +
"3ab877d07570fc43" +
"3ab877d07570fca5" +
"00010000" +
"2ca223e879ecc4bbdeb5da17319281d63b2e3b6955f1c3775c804a98d5f8ddaa" +
"053b0259700039187d1da4613531502bc4a4eeccc69900d24f8aac5430f28fc5092701331f178e290fe06e82ce2498ce7b23a34058e3d6a2f247e92bc9d7b9ab"
)
// construct private/public key pair from test data
d, err := hex.DecodeString(D)
if err != nil {
t.Fatal(err)
}
prv, err := crypto.NewZonePrivate(crypto.ZONE_PKEY, d)
if err != nil {
t.Fatal(err)
}
zk := prv.Public()
// check
zkey, err := hex.DecodeString(ZKEY)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(zk.Bytes(), zkey) {
t.Logf("zkey = %s\n", hex.EncodeToString(zk.Bytes()))
t.Logf("ZKEY = %s\n", hex.EncodeToString(zkey))
t.Fatal("Private/Public key mismatch")
}
// assemble revocation data object
revD, err := hex.DecodeString(PROOF)
if err != nil {
t.Fatal(err)
}
revData := new(RevData)
if err = data.Unmarshal(revData, revD); err != nil {
t.Fatal(err)
}
if !bytes.Equal(revData.ZoneKeySig.Bytes(), zkey) {
t.Logf("zkey = %s\n", hex.EncodeToString(revData.ZoneKeySig.Bytes()))
t.Logf("ZKEY = %s\n", hex.EncodeToString(zkey))
t.Fatal("Wrong zone key in test revocation")
}
// show revdata content
if testing.Verbose() {
t.Log("REVDATA:")
t.Logf(" Timestamp: %s\n", revData.Timestamp.String())
t.Logf(" TTL: %s\n", revData.TTL.String())
work := NewPoWData(0, revData.Timestamp, &revData.ZoneKeySig.ZoneKey)
for i, pow := range revData.PoWs {
t.Logf(" PoW #%d: %d\n", i, pow)
work.SetPoW(pow)
buf := work.Blob()
t.Logf(" P: %s\n", hex.EncodeToString(buf))
v := work.Compute()
t.Logf(" H: %s\n", hex.EncodeToString(v.Bytes()))
num := 512 - v.BitLen()
t.Logf(" --> %d leading zeros\n", num)
}
t.Logf(" ZoneKey: %s\n", hex.EncodeToString(revData.ZoneKeySig.KeyData))
t.Logf(" Signature: %s\n", hex.EncodeToString(revData.ZoneKeySig.Signature))
}
// assemble data for signature
sigBlock := &SignedRevData{
Purpose: &crypto.SignaturePurpose{
Size: uint32(20 + revData.ZoneKeySig.KeySize()),
Purpose: uint32(enums.SIG_REVOCATION),
},
Timestamp: revData.Timestamp,
ZoneKey: &revData.ZoneKeySig.ZoneKey,
}
sigData, err := data.Marshal(sigBlock)
if err != nil {
t.Fatal(err)
}
if testing.Verbose() {
t.Logf("SigData = %s\n", hex.EncodeToString(sigData))
}
sigOut, err := prv.Sign(sigData)
if err != nil {
t.Fatal(err)
}
if testing.Verbose() {
t.Logf("Signature = %s\n", hex.EncodeToString(sigOut.Signature))
t.Logf(" ?= %s\n", hex.EncodeToString(revData.ZoneKeySig.Signature))
}
// verify revocation data object
diff, rc := revData.Verify(true)
if testing.Verbose() {
t.Logf("Average difficulty of PoWs = %f\n", diff)
}
if rc != 0 {
t.Fatalf("REV_Verify (pkey): %d\n", rc)
}
}
|
