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b0af57a018
Do bounds check per encryption/decryption call instead of per block Reviewed-by: ascarpino, redestad
55 lines
2.1 KiB
Java
55 lines
2.1 KiB
Java
/*
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* Copyright (c) 2018, 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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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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package sun.security.util;
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import java.util.List;
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import java.util.function.BiFunction;
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import java.security.*;
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import jdk.internal.util.Preconditions;
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/**
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* This class holds the various utility methods for array range checks.
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*/
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public final class ArrayUtil {
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private static final BiFunction<String, List<Integer>,
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ArrayIndexOutOfBoundsException> AIOOBE_SUPPLIER =
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Preconditions.outOfBoundsExceptionFormatter
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(ArrayIndexOutOfBoundsException::new);
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public static void blockSizeCheck(int len, int blockSize) {
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if ((len % blockSize) != 0) {
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throw new ProviderException("Internal error in input buffering");
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}
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}
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public static void nullAndBoundsCheck(byte[] array, int offset, int len) {
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// NPE is thrown when array is null
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Preconditions.checkFromIndexSize(offset, len, array.length, AIOOBE_SUPPLIER);
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}
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}
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