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8285389: EdDSA trimming zeros

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Reviewed-by: xuelei
This commit is contained in:
Anthony Scarpino 2022-04-25 15:31:49 +00:00
parent 293bc5e5cd
commit 414918d911
1 changed files with 6 additions and 1 deletions
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7
src/jdk.crypto.ec/share/classes/sun/security/ec/ed/EdDSAOperations.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, 2022, 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
@ -134,6 +134,11 @@ public class EdDSAOperations {
if (signature == null) {
throw new SignatureException("signature was null");
}
if (params.getKeyLength() * 2 != signature.length) {
throw new SignatureException("signature length invalid");
}
byte[] encR = Arrays.copyOf(signature, signature.length / 2);
byte[] encS = Arrays.copyOfRange(signature, signature.length / 2,
signature.length);