2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
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14 * See the License for the specific language governing permissions and
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17 package org.apache.pdfbox.pdmodel.interactive.digitalsignature;
19 import java.io.IOException;
20 import java.io.InputStream;
22 import org.apache.pdfbox.exceptions.SignatureException;
25 * Providing an interface for accessing necessary functions for signing a pdf document.
27 * @author <a href="mailto:mail@thomas-chojecki.de">Thomas Chojecki</a>
30 public interface SignatureInterface
34 * Creates a cms signature for the given content
36 * @param content is the content as a (Filter)InputStream
37 * @return signature as a byte array
39 public byte[] sign (InputStream content) throws SignatureException, IOException;