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8158517: Minor optimizations to ISO10126PADDING

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Co-authored-by: Bernd Eckenfels <ecki@zusammenkunft.net>
Reviewed-by: mullan
This commit is contained in:
Adam Petcher 2016-12-07 10:55:13 -05:00 committed by Sean Mullan
parent 5c2b3026c2
commit df8736b785
1 changed files with 5 additions and 5 deletions
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10
jdk/src/java.base/share/classes/com/sun/crypto/provider/ISO10126Padding.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2016, 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
@ -68,10 +68,10 @@ final class ISO10126Padding implements Padding {
}
byte paddingOctet = (byte) (len & 0xff);
byte[] padding = new byte[len];
byte[] padding = new byte[len - 1];
SunJCE.getRandom().nextBytes(padding);
padding[len-1] = paddingOctet;
System.arraycopy(padding, 0, in, off, len);
System.arraycopy(padding, 0, in, off, len - 1);
in[off + len - 1] = paddingOctet;
return;
}
@ -101,7 +101,7 @@ final class ISO10126Padding implements Padding {
return -1;
}
int start = off + len - ((int)lastByte & 0x0ff);
int start = off + len - padValue;
if (start < off) {
return -1;
}