76 lines
3.1 KiB
Java
76 lines
3.1 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.poifs.crypt;
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import static org.hamcrest.core.IsEqual.equalTo;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertThat;
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import java.io.IOException;
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import org.apache.poi.hssf.HSSFTestDataSamples;
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import org.apache.poi.hssf.record.crypto.Biff8EncryptionKey;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
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import org.apache.poi.util.HexRead;
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import org.junit.After;
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import org.junit.Test;
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public class TestXorEncryption {
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private static final HSSFTestDataSamples samples = new HSSFTestDataSamples();
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// to not affect other tests running in the same JVM
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@After
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public void resetPassword() {
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Biff8EncryptionKey.setCurrentUserPassword(null);
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}
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@Test
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public void testXorEncryption() throws IOException {
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// Xor-Password: abc
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// 2.5.343 XORObfuscation
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// key = 20810
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// verifier = 52250
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int verifier = CryptoFunctions.createXorVerifier1("abc");
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int key = CryptoFunctions.createXorKey1("abc");
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assertEquals(20810, key);
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assertEquals(52250, verifier);
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byte xorArrAct[] = CryptoFunctions.createXorArray1("abc");
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byte xorArrExp[] = HexRead.readFromString("AC-CC-A4-AB-D6-BA-C3-BA-D6-A3-2B-45-D3-79-29-BB");
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assertThat(xorArrExp, equalTo(xorArrAct));
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}
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@SuppressWarnings("static-access")
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@Test
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public void testUserFile() throws IOException {
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Biff8EncryptionKey.setCurrentUserPassword("abc");
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NPOIFSFileSystem fs = new NPOIFSFileSystem(samples.getSampleFile("xor-encryption-abc.xls"), true);
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HSSFWorkbook hwb = new HSSFWorkbook(fs.getRoot(), true);
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HSSFSheet sh = hwb.getSheetAt(0);
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assertEquals(1.0, sh.getRow(0).getCell(0).getNumericCellValue(), 0.0);
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assertEquals(2.0, sh.getRow(1).getCell(0).getNumericCellValue(), 0.0);
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assertEquals(3.0, sh.getRow(2).getCell(0).getNumericCellValue(), 0.0);
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hwb.close();
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fs.close();
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}
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}
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