/* This file is part of VoltDB. * Copyright (C) 2008-2017 VoltDB Inc. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ package org.voltdb.types; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import org.voltdb.VoltProcedure; import org.voltdb.VoltTable; import org.voltdb.VoltTable.ColumnInfo; import org.voltdb.VoltType; /** * Accepts varbinary and string blobs and returns an MD5 digest for each so that the * caller can compare against its own MD5 calculations. Can't return the data directly * due to VoltTable size limitations (1 MB). */ public class BigFatBlobAndStringMD5 extends VoltProcedure { public VoltTable run(byte[] b, String s) { VoltTable t = new VoltTable(new ColumnInfo("b_md5", VoltType.VARBINARY), new ColumnInfo("s_md5", VoltType.VARBINARY)); try { MessageDigest md5 = MessageDigest.getInstance("MD5"); t.addRow(md5.digest(b), md5.digest(s.getBytes())); } catch (NoSuchAlgorithmException e) { // If the row wasn't added the test caller will consider it a failure. } return t; } }