// Keygens a new ephemeral key, returns the header plus this key.
func prepareNewHeader() (*miniLockv1Header, *taber.Keys, error) {
hdr := new(miniLockv1Header)
hdr.Version = 1
ephem, err := taber.RandomKey()
if err != nil {
return nil, nil, err
}
hdr.Ephemeral = ephem.Public
hdr.DecryptInfo = make(map[string][]byte)
return hdr, ephem, nil
}
// Generate a fully random key, usually for ephemeral uses.
func EphemeralKey() (*taber.Keys, error) {
return taber.RandomKey()
}