/*
* Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.jarsigner;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
/**
* This class defines a content signing service.
* Implementations must be instantiable using a zero-argument constructor.
*
* @since 1.5
* @version 1.9, 05/05/07
* @author Vincent Ryan
*/
public abstract class ContentSigner {
/**
* Generates a PKCS #7 signed data message.
* This method is used when the signature has already been generated.
* The signature, the signer's details, and optionally a signature
* timestamp and the content that was signed, are all packaged into a
* signed data message.
*
* @param parameters The non-null input parameters.
* @param omitContent true if the content should be omitted from the
* signed data message. Otherwise the content is included.
* @param applyTimestamp true if the signature should be timestamped.
* Otherwise timestamping is not performed.
* @return A PKCS #7 signed data message.
* @throws NoSuchAlgorithmException The exception is thrown if the signature
* algorithm is unrecognised.
* @throws CertificateException The exception is thrown if an error occurs
* while processing the signer's certificate or the TSA's
* certificate.
* @throws IOException The exception is thrown if an error occurs while
* generating the signature timestamp or while generating the signed
* data message.
* @throws NullPointerException The exception is thrown if parameters is
* null.
*/
public abstract byte[] generateSignedData(
ContentSignerParameters parameters, boolean omitContent,
boolean applyTimestamp)
throws NoSuchAlgorithmException, CertificateException, IOException;
}
|