1 /*

     2  * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.jarsigner;

    27 

    28 import java.io.IOException;

    29 import java.security.NoSuchAlgorithmException;

    30 import java.security.cert.CertificateException;

    31 

    32 /**

    33  * This class defines a content signing service.

    34  * Implementations must be instantiable using a zero-argument constructor.

    35  *

    36  * @since 1.5

    37  * @author Vincent Ryan

    38  */

    39 

    40 @jdk.Exported

    41 public abstract class ContentSigner {

    42 

    43     /**

    44      * Generates a PKCS #7 signed data message.

    45      * This method is used when the signature has already been generated.

    46      * The signature, the signer's details, and optionally a signature

    47      * timestamp and the content that was signed, are all packaged into a

    48      * signed data message.

    49      *

    50      * @param parameters The non-null input parameters.

    51      * @param omitContent true if the content should be omitted from the

    52      *         signed data message. Otherwise the content is included.

    53      * @param applyTimestamp true if the signature should be timestamped.

    54      *         Otherwise timestamping is not performed.

    55      * @return A PKCS #7 signed data message.

    56      * @throws NoSuchAlgorithmException The exception is thrown if the signature

    57      *         algorithm is unrecognised.

    58      * @throws CertificateException The exception is thrown if an error occurs

    59      *         while processing the signer's certificate or the TSA's

    60      *         certificate.

    61      * @throws IOException The exception is thrown if an error occurs while

    62      *         generating the signature timestamp or while generating the signed

    63      *         data message.

    64      * @throws NullPointerException The exception is thrown if parameters is

    65      *         null.

    66      */

    67     public abstract byte[] generateSignedData(

    68         ContentSignerParameters parameters, boolean omitContent,

    69         boolean applyTimestamp)

    70             throws NoSuchAlgorithmException, CertificateException, IOException;

    71 }