// IDFromPublicKey returns the Peer ID corresponding to pk
func IDFromPublicKey(pk ic.PubKey) (ID, error) {
b, err := pk.Bytes()
if err != nil {
return "", err
}
hash := u.Hash(b)
return ID(hash), nil
}
func CheckRecordSig(r *pb.Record, pk ci.PubKey) error {
blob := RecordBlobForSig(r)
good, err := pk.Verify(blob, r.Signature)
if err != nil {
return nil
}
if !good {
return errors.New("invalid record signature")
}
return nil
}