/**
* DSS - Digital Signature Services
* Copyright (C) 2015 European Commission, provided under the CEF programme
*
* This file is part of the "DSS - Digital Signature Services" project.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package eu.europa.esig.dss.token;
import java.util.List;
import eu.europa.esig.dss.DSSException;
import eu.europa.esig.dss.DigestAlgorithm;
import eu.europa.esig.dss.SignatureValue;
import eu.europa.esig.dss.ToBeSigned;
/**
* Connection through available API to the QSCD (SmartCard, MSCAPI, PKCS#12)
*
*/
public interface SignatureTokenConnection {
/**
* Closes the connection to the QSCD.
*/
void close();
/**
* Retrieves all the available keys (private keys entries) from the QSCD.
*
* @return List of encapsulated private keys
* @throws DSSException
* If there is any problem during the retrieval process
*/
List<DSSPrivateKeyEntry> getKeys() throws DSSException;
/**
* @param toBeSigned
* The data that need to be signed
* @param digestAlgorithm
* The digest algorithm to be used before signing
* @param keyEntry
* The private key to be used
* @return The array of bytes representing the signature value
* @throws DSSException
* If there is any problem during the signature process
*/
SignatureValue sign(ToBeSigned toBeSigned, DigestAlgorithm digestAlgorithm, DSSPrivateKeyEntry keyEntry) throws DSSException;
}