/*
* XAdES4j - A Java library for generation and verification of XAdES signatures.
* Copyright (C) 2010 Luis Goncalves.
*
* XAdES4j is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or any later version.
*
* XAdES4j is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with XAdES4j. If not, see <http://www.gnu.org/licenses/>.
*/
package xades4j.providers;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.util.List;
import xades4j.verification.UnexpectedJCAException;
/**
* Used in signature production to get the signing key/certificate.
* @see xades4j.production.XadesSigningProfile
* @author Luís
*/
public interface KeyingDataProvider
{
/**
* Gets the signing certificate chain to be used in an ongoing signature operation.
* At least the signing certificate must be present. Other certificates may
* be present, possibly up to the trust anchor.
* @return the signing certificate (chain)
* @throws SigningCertChainException if the signing certificate (chain) couldn't be obtained
* @throws UnexpectedJCAException when an unexpected platform error occurs
*/
List<X509Certificate> getSigningCertificateChain() throws SigningCertChainException, UnexpectedJCAException;
/**
* Gets the signing key that matches a signing certificate. The certificate
* supplied to this method is ALWAYS the first of the collection returned in
* the previous call to {@code getSigningCertificateChain}.
* @param signingCert the certificate for which the corresponding key should be returned
* @return the private key that matches {@code signingCert}
* @throws SigningKeyException if the signing key couldn't be obtained
* @throws UnexpectedJCAException when an unexpected platform error occurs
*/
PrivateKey getSigningKey(X509Certificate signingCert) throws SigningKeyException, UnexpectedJCAException;
}