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8171252: Improve exception checking

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Reviewed-by: ascarpino, mschoene
This commit is contained in:
Valerie Peng 2017-02-22 00:14:32 +00:00
parent ab51d9296c
commit 2473f1cf41
10 changed files with 58 additions and 590 deletions
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8
src/java.base/share/classes/com/sun/crypto/provider/AESWrapCipher.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2017, Oracle and/or its affiliates. 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
@ -156,7 +156,7 @@ abstract class AESWrapCipher extends CipherSpi {
if (decrypting) {
result = inputLen - 8;
} else {
result = inputLen + 8;
result = Math.addExact(inputLen, 8);
}
return (result < 0? 0:result);
}
@ -378,7 +378,7 @@ abstract class AESWrapCipher extends CipherSpi {
throw new InvalidKeyException("Invalid key length: " +
encoded.length + " bytes");
}
return encoded.length * 8;
return Math.multiplyExact(encoded.length, 8);
}
/**
@ -404,7 +404,7 @@ abstract class AESWrapCipher extends CipherSpi {
throw new InvalidKeyException("Cannot get an encoding of " +
"the key to be wrapped");
}
byte[] out = new byte[keyVal.length + 8];
byte[] out = new byte[Math.addExact(keyVal.length, 8)];
if (keyVal.length == 8) {
System.arraycopy(IV, 0, out, 0, IV.length);