// GetPublicKeyEntry implements corresponding method for msg.KeyStore interface.
func (ce *CryptEngine) GetPublicKeyEntry(uidMsg *uid.Message) (*uid.KeyEntry, string, error) {
log.Debugf("ce.FindKeyEntry: uidMsg.Identity()=%s", uidMsg.Identity())
// get KeyInit
sigKeyHash, err := uidMsg.SigKeyHash()
if err != nil {
return nil, "", err
}
ki, err := ce.keyDB.GetPublicKeyInit(sigKeyHash)
if err != nil {
if err == sql.ErrNoRows {
return nil, "", session.ErrNoKeyEntry
}
return nil, "", err
}
// decrypt SessionAnchor
sa, err := ki.SessionAnchor(uidMsg.SigPubKey())
if err != nil {
return nil, "", err
}
// get KeyEntry message from SessionAnchor
ke, err := sa.KeyEntry("ECDHE25519")
if err != nil {
return nil, "", err
}
return ke, sa.NymAddress(), nil
}
