Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.hadoop.hive.ql.udf.generic; import static org.junit.Assert.assertEquals; import java.security.NoSuchAlgorithmException; import javax.crypto.Cipher; import org.apache.commons.codec.binary.Base64; import org.apache.commons.codec.binary.Hex; import org.apache.hadoop.hive.ql.metadata.HiveException; import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject; import org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject; import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory; import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory; import org.apache.hadoop.io.BytesWritable; import org.apache.hadoop.io.Text; import org.junit.Test; public class TestGenericUDFAesDecrypt { @Test public void testAesDec128ConstStr() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; Text keyWr = new Text("1234567890123456"); ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory .getPrimitiveWritableConstantObjectInspector(TypeInfoFactory.stringTypeInfo, keyWr); ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); runAndVerifyStr("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, "ABC", udf); runAndVerifyStr("BQGHoM3lqYcsurCRq3PlUw==", keyWr, "", udf); // null runAndVerifyStr(null, keyWr, null, udf); } @Test public void testAesDec256ConstStr() throws HiveException, NoSuchAlgorithmException { int maxKeyLen = Cipher.getMaxAllowedKeyLength("AES"); // skip the test if Java Cryptography Extension (JCE) Unlimited Strength // Jurisdiction Policy Files not installed if (maxKeyLen < 256) { return; } GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; Text keyWr = new Text("1234567890123456" + "1234567890123456"); ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory .getPrimitiveWritableConstantObjectInspector(TypeInfoFactory.stringTypeInfo, keyWr); ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); runAndVerifyStr("nYfCuJeRd5eD60yXDw7WEA==", keyWr, "ABC", udf); runAndVerifyStr("mVClVqZ6W4VF6b842FOgCA==", keyWr, "", udf); // null runAndVerifyStr(null, keyWr, null, udf); } @Test public void testAesDec128Str() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableStringObjectInspector; ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); Text keyWr = new Text("1234567890123456"); runAndVerifyStr("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, "ABC", udf); runAndVerifyStr("BQGHoM3lqYcsurCRq3PlUw==", keyWr, "", udf); // null runAndVerifyStr(null, keyWr, null, udf); } @Test public void testAesDec128ConstBin() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; BytesWritable keyWr = new BytesWritable("1234567890123456".getBytes()); ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory .getPrimitiveWritableConstantObjectInspector(TypeInfoFactory.binaryTypeInfo, keyWr); ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); runAndVerifyBin("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, "ABC", udf); runAndVerifyBin("BQGHoM3lqYcsurCRq3PlUw==", keyWr, "", udf); // null runAndVerifyBin(null, keyWr, null, udf); } @Test public void testAesDec128Bin() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); BytesWritable keyWr = new BytesWritable("1234567890123456".getBytes()); runAndVerifyBin("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, "ABC", udf); runAndVerifyBin("BQGHoM3lqYcsurCRq3PlUw==", keyWr, "", udf); // null runAndVerifyBin(null, keyWr, null, udf); } @Test public void testAesDec192Bin() throws HiveException, NoSuchAlgorithmException { int maxKeyLen = Cipher.getMaxAllowedKeyLength("AES"); // skip the test if Java Cryptography Extension (JCE) Unlimited Strength // Jurisdiction Policy Files not installed if (maxKeyLen < 192) { return; } GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); BytesWritable keyWr = new BytesWritable(("1234567890123456" + "12345678").getBytes()); runAndVerifyBin("ucvvpP9r2/LfQ6BilQuFtA==", keyWr, "ABC", udf); runAndVerifyBin("KqMT3cF6VwSISMaUVUB4Qw==", keyWr, "", udf); // null runAndVerifyBin(null, keyWr, null, udf); } @Test public void testAesDecKeyNullConstStr() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; Text keyWr = null; ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory .getPrimitiveWritableConstantObjectInspector(TypeInfoFactory.stringTypeInfo, keyWr); ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); runAndVerifyStr("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, null, udf); } @Test public void testAesDecKeyNullStr() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableStringObjectInspector; ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); Text keyWr = null; runAndVerifyStr("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, null, udf); } @Test public void testAesDecKeyNullConstBin() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; BytesWritable keyWr = null; ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory .getPrimitiveWritableConstantObjectInspector(TypeInfoFactory.binaryTypeInfo, keyWr); ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); runAndVerifyBin("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, null, udf); } @Test public void testAesDecKeyNullBin() throws HiveException { GenericUDFAesDecrypt udf = new GenericUDFAesDecrypt(); ObjectInspector valueOI0 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableBinaryObjectInspector; ObjectInspector[] arguments = { valueOI0, valueOI1 }; udf.initialize(arguments); BytesWritable keyWr = null; runAndVerifyBin("y6Ss+zCYObpCbgfWfyNWTw==", keyWr, null, udf); } private void runAndVerifyStr(String strBase64, Text keyWr, String expResult, GenericUDFAesDecrypt udf) throws HiveException { DeferredObject valueObj0 = new DeferredJavaObject( strBase64 != null ? new BytesWritable(Base64.decodeBase64(strBase64)) : null); DeferredObject valueObj1 = new DeferredJavaObject(keyWr); DeferredObject[] args = { valueObj0, valueObj1 }; BytesWritable output = (BytesWritable) udf.evaluate(args); String expResultHex = expResult == null ? null : Hex.encodeHexString(expResult.getBytes()); assertEquals("aes_decrypt() test ", expResultHex, output != null ? copyBytesAndHex(output) : null); } private void runAndVerifyBin(String strBase64, BytesWritable keyWr, String expResult, GenericUDFAesDecrypt udf) throws HiveException { DeferredObject valueObj0 = new DeferredJavaObject( strBase64 != null ? new BytesWritable(Base64.decodeBase64(strBase64)) : null); DeferredObject valueObj1 = new DeferredJavaObject(keyWr); DeferredObject[] args = { valueObj0, valueObj1 }; BytesWritable output = (BytesWritable) udf.evaluate(args); String expResultHex = expResult == null ? null : Hex.encodeHexString(expResult.getBytes()); assertEquals("aes_decrypt() test ", expResultHex, output != null ? copyBytesAndHex(output) : null); } private String copyBytesAndHex(BytesWritable bw) { int size = bw.getLength(); byte[] bytes = new byte[size]; System.arraycopy(bw.getBytes(), 0, bytes, 0, size); return Hex.encodeHexString(bytes); } }