package java.security; import java.security.spec.InvalidKeySpecException; import java.security.spec.KeySpec; public abstract class KeyFactorySpi extends Object { public KeyFactorySpi() { } protected abstract PrivateKey engineGeneratePrivate(KeySpec keySpec) throws InvalidKeySpecException; protected abstract PublicKey engineGeneratePublic(KeySpec keySpec) throws InvalidKeySpecException; protected abstract KeySpec engineGetKeySpec(Key key, Class keySpec) throws InvalidKeySpecException; protected abstract Key engineTranslateKey(Key key) throws InvalidKeyException; }