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dns
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some debugging

This commit is contained in:
Miek Gieben 2012-04-12 15:39:54 +02:00
parent 134b557647
commit 3e11306260
1 changed files with 13 additions and 2 deletions
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15
dnssec.go
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@ -275,6 +275,7 @@ func (s *RR_RRSIG) Sign(k PrivateKey, rrset []RR) error {
if err != nil {
return err
}
// Check the length and zero pad??
signature := r1.Bytes()
signature = append(signature, s1.Bytes()...)
s.Signature = unpackBase64(signature)
@ -370,6 +371,7 @@ func (s *RR_RRSIG) Verify(k *RR_DNSKEY, rrset []RR) error {
h = sha512.New()
ch = crypto.SHA512
default:
return ErrKey
}
io.WriteString(h, string(signeddata))
sighash := h.Sum(nil)
@ -379,7 +381,7 @@ func (s *RR_RRSIG) Verify(k *RR_DNSKEY, rrset []RR) error {
if pubkey == nil {
return ErrKey
}
var h hash.Hash
//var h hash.Hash
}
// Unknown alg
return ErrAlg
@ -468,13 +470,21 @@ func (k *RR_DNSKEY) publicKeyCurve() *ecdsa.PublicKey {
switch k.Algorithm {
case ECDSAP256SHA256:
pubkey.Curve = elliptic.P256()
if len(keybuf) != 64 {
// wrongly encoded key
return nil
}
case ECDSAP384SHA384:
pubkey.Curve = elliptic.P384()
if len(keybuf) != 96 {
// Wrongly encoded key
return nil
}
}
pubkey.X = big.NewInt(0)
pubkey.X.SetBytes(keybuf[:len(keybuf)/2])
pubkey.Y = big.NewInt(0)
pubkey.Y.SetBytes(keybuf[len(keybuf)/2:]) // +1?
pubkey.Y.SetBytes(keybuf[len(keybuf)/2:])
return pubkey
}
@ -495,6 +505,7 @@ func (k *RR_DNSKEY) setPublicKeyCurve(_X, _Y *big.Int) bool {
return false
}
buf := curveToBuf(_X, _Y)
// Check the length of the buffer, either 64 or 92 bytes
k.PublicKey = unpackBase64(buf)
return true
}