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8314045: ArithmeticException in GaloisCounterMode
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cushon committed Aug 9, 2023
1 parent 0eb0997 commit dc9e39c
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Original file line number Diff line number Diff line change
Expand Up @@ -1572,6 +1572,13 @@ public int doFinal(ByteBuffer src, ByteBuffer dst)
len += buffer.remaining();
}

// Check that input data is long enough to fit the expected tag.
if (len < 0) {
throw new AEADBadTagException("Input data too short to " +
"contain an expected tag length of " + tagLenBytes +
"bytes");
}

checkDataLength(len);

// Verify dst is large enough
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57 changes: 57 additions & 0 deletions test/jdk/com/sun/crypto/provider/Cipher/AEAD/GCMShortInput.java
Original file line number Diff line number Diff line change
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/*
* Copyright (c) 2023, Alphabet LLC. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/*
* @test
* @summary ArithmeticException in GaloisCounterMode
*/

import java.nio.ByteBuffer;
import java.security.GeneralSecurityException;

import javax.crypto.Cipher;
import javax.crypto.spec.GCMParameterSpec;
import javax.crypto.spec.SecretKeySpec;

public class GCMShortInput {

public static void main(String args[]) throws Exception {
SecretKeySpec keySpec =
new SecretKeySpec(
new byte[] {
88, 26, 43, -100, -24, -29, -70, 10, 34, -85, 52, 101, 45, -68, -105,
-123
},
"AES");
GCMParameterSpec params =
new GCMParameterSpec(8 * 16, new byte[] {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0});
Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
cipher.init(Cipher.DECRYPT_MODE, keySpec, params);
try {
cipher.doFinal(ByteBuffer.allocate(0), ByteBuffer.allocate(0));
throw new AssertionError("GeneralSecurityException expected");
} catch (GeneralSecurityException e) {
// expected
}
}
}

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