78 lines
2.8 KiB
Java
78 lines
2.8 KiB
Java
/*
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* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.IOException;
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import javax.crypto.Cipher;
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import javax.crypto.CipherInputStream;
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import javax.crypto.CipherOutputStream;
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/**
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* ReadModel provides different way to test
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* CipherInputStream.read()/read(byte[])/read(byte[], int, int) and
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* CipherOutputStream.write(int)/write(byte[], int, int)/read(byte[]) API
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*/
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enum ReadModel {
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READ_BYTE {
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@Override
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public void read(CipherInputStream cInput, CipherOutputStream ciOutput,
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Cipher ciIn, int inputLen) throws IOException {
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int buffer0 = cInput.read();
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while (buffer0 != -1) {
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ciOutput.write(buffer0);
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buffer0 = cInput.read();
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}
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}
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},
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READ_BUFFER {
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@Override
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public void read(CipherInputStream cInput, CipherOutputStream ciOutput,
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Cipher ciIn, int inputLen) throws IOException {
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byte[] buffer1 = new byte[20];
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int len1;
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while ((len1 = cInput.read(buffer1)) != -1) {
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ciOutput.write(buffer1, 0, len1);
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}
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}
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},
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READ_BUFFER_OFFSET {
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@Override
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public void read(CipherInputStream cInput, CipherOutputStream ciOutput,
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Cipher ciIn, int inputLen) throws IOException {
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byte[] buffer2 = new byte[ciIn.getOutputSize(inputLen)];
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int offset2 = 0;
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int len2 = 0;
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while (len2 != -1) {
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len2 = cInput.read(buffer2, offset2, buffer2.length - offset2);
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offset2 += len2;
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}
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ciOutput.write(buffer2);
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}
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};
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abstract public void read(CipherInputStream cInput,
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CipherOutputStream ciOutput, Cipher ciIn, int inputLen)
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throws IOException;
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}
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