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diff --git a/src/share/classes/com/sun/crypto/provider/DHParameterGenerator.java b/src/share/classes/com/sun/crypto/provider/DHParameterGenerator.java
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--- openjdk/jdk/src/share/classes/com/sun/crypto/provider/DHParameterGenerator.java
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+++ openjdk/jdk/src/share/classes/com/sun/crypto/provider/DHParameterGenerator.java
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@@ -1,5 +1,6 @@
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/*
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* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
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+ * Copyright (c) 2014 Red Hat Inc.
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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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@@ -61,13 +62,13 @@
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private static void checkKeySize(int keysize)
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throws InvalidParameterException {
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- boolean supported = ((keysize == 2048) || (keysize == 3072) ||
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+ boolean supported = ((keysize == 2048) || (keysize == 3072) || (keysize == 4096) ||
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((keysize >= 512) && (keysize <= 1024) && ((keysize & 0x3F) == 0)));
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if (!supported) {
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throw new InvalidParameterException(
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"DH key size must be multiple of 64 and range " +
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- "from 512 to 1024 (inclusive), or 2048, 3072. " +
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+ "from 512 to 1024 (inclusive), or 2048, 3072, 4096. " +
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"The specific key size " + keysize + " is not supported");
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}
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}
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diff --git a/test/com/sun/crypto/provider/KeyAgreement/TestExponentSize.java b/test/com/sun/crypto/provider/KeyAgreement/TestExponentSize.java
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--- openjdk/jdk/test/com/sun/crypto/provider/KeyAgreement/TestExponentSize.java
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+++ openjdk/jdk/test/com/sun/crypto/provider/KeyAgreement/TestExponentSize.java
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@@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
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+ * Copyright (c) 2014 Red Hat Inc.
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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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@@ -58,7 +59,7 @@
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*/
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private enum Sizes {
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two56(256), three84(384), five12(512), seven68(768), ten24(1024),
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- twenty48(2048);
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+ twenty48(2048), forty96(4096);
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private final int intSize;
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private final BigInteger bigIntValue;
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@@ -130,6 +131,19 @@
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kp = kpg.generateKeyPair();
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checkKeyPair(kp, Sizes.twenty48, Sizes.five12);
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+ kpg.initialize(Sizes.forty96.getIntSize());
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+ kp = kpg.generateKeyPair();
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+ checkKeyPair(kp, Sizes.forty96, Sizes.twenty48);
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+
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+ publicKey = (DHPublicKey)kp.getPublic();
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+ p = publicKey.getParams().getP();
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+ g = publicKey.getParams().getG();
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+
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+ // test w/ all values specified
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+ kpg.initialize(new DHParameterSpec(p, g, Sizes.ten24.getIntSize()));
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+ kp = kpg.generateKeyPair();
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+ checkKeyPair(kp, Sizes.forty96, Sizes.ten24);
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+
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System.out.println("OK");
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}
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