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Demoiselle Signer for CAdES (CMS Advanced Electronic Signatures)
There is a newer version: 4.3.0
/*
 * Demoiselle Framework
 * Copyright (C) 2016 SERPRO
 * ----------------------------------------------------------------------------
 * This file is part of Demoiselle Framework.
 *
 * Demoiselle Framework is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License version 3
 * along with this program; if not,  see 
 * or write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA  02110-1301, USA.
 * ----------------------------------------------------------------------------
 * Este arquivo é parte do Framework Demoiselle.
 *
 * O Framework Demoiselle é um software livre; você pode redistribuí-lo e/ou
 * modificá-lo dentro dos termos da GNU LGPL versão 3 como publicada pela Fundação
 * do Software Livre (FSF).
 *
 * Este programa é distribuído na esperança que possa ser útil, mas SEM NENHUMA
 * GARANTIA; sem uma garantia implícita de ADEQUAÇÃO a qualquer MERCADO ou
 * APLICAÇÃO EM PARTICULAR. Veja a Licença Pública Geral GNU/LGPL em português
 * para maiores detalhes.
 *
 * Você deve ter recebido uma cópia da GNU LGPL versão 3, sob o título
 * "LICENCA.txt", junto com esse programa. Se não, acesse 
 * ou escreva para a Fundação do Software Livre (FSF) Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA.
 */
package org.demoiselle.signer.policy.impl.cades;

import java.util.List;

/**
 * Basic specification for implementation of digital signatures in CADES format.
 */
public interface Checker {

    /**
     * Check a digital signature with attached content, informed by parameter signedData
     * @param signedData attached signature to be checked
     * @return List<SignatureInformations> list of signature information
     */
    abstract public  List checkAttachedSignature(byte[] signedData);
    
    /**
     * Check an digital detached signature, informed by parameter signedData and it's content
     * 
     * @param content content to be checked
     * @param signedData detached signature
     * @return List<SignatureInformations> list of signature information
     * @deprecated renamed to {@link checkDetachedSignature}
     */
     
    abstract public  List checkDetattachedSignature(byte[] content, byte[] signedData);
    
    
    /**
     * Check an digital detached signature, informed by parameter signedData and it's content
     * 
     * @param content content to be checked
     * @param signedData detached signature
     * @return List<SignatureInformations> list of signature information
     */
    
    abstract public  List checkDetachedSignature(byte[] content, byte[] signedData);
    
    
    
    /**
     * Check a digital detached signature, informed by parameter signedData, based on calculated hash from content
     * 
     * @param digestAlgorithmOID OID of algorithm used to calculate a hash from content (ex: 2.16.840.1.101.3.4.2.1 )
     * @param calculatedHashContent calculated hash
     * @param signedData detached signature
     * @return List<SignatureInformation> list of signature information
    */
   abstract public List checkSignatureByHash( String digestAlgorithmOID, byte[] calculatedHashContent, byte[] signedData);
   
    
}