/*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.xwiki.crypto.store;
import org.xwiki.component.annotation.Role;
import org.xwiki.model.reference.EntityReference;
/**
* Store and retrieve signatures of entities.
*
* @version $Id: b17c0d35b15f6b264f153aa245c5348d409b0a3a $
* @since 6.0
*/
@Role
public interface SignatureStore
{
/**
* Store a provided signature for a given entity.
*
* @param entity the entity that the signature relate to.
* @param signature the signature to store.
* @throws SignatureStoreException on error.
*/
void store(EntityReference entity, byte[] signature) throws SignatureStoreException;
/**
* Retrieve the signature for a given entity.
*
* @param entity the entity for which a signature is requested.
* @return the signature corresponding to the entity, or null if none have been found.
* @throws SignatureStoreException on error.
*/
byte[] retrieve(EntityReference entity) throws SignatureStoreException;
}