--- a/test/lib/jdk/test/lib/RSAUtil.java Thu Jun 07 13:59:53 2018 -0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,144 +0,0 @@
-/*
- * Copyright (c) 2018, 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
- * 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.
- */
-
-package jdk.test.lib;
-
-import java.security.*;
-import java.security.spec.*;
-import java.util.*;
-
-public class RSAUtil {
-
- public enum SignatureType {
- RSA_PKCS1_5,
- RSA_PSS,
- }
-
- // collection of all supported RSA PKCS1.5 algorithms
- // note that the entries are ordered by required key sizes
- private static final String[] PKCS1_5_ALGS = {
- // these requires key size 768
- "SHA384withRSA", "SHA512withRSA",
- // these are supported by min key size 512
- "MD2withRSA", "MD5withRSA", "SHA1withRSA",
- "SHA224withRSA", "SHA512/224withRSA",
- "SHA256withRSA", "SHA512/256withRSA"
- };
-
- private static final int PKCS1_5_INDEX_768 = 0;
- private static final int PKCS1_5_INDEX_512 = 2;
-
- // collection of all supported RSA-PSS algorithms
- // note that the entries are ordered by required key sizes
- private static final String[] PSS_ALGS = {
- // these requires key size 2048
- "SHA512withRSAandMGF1",
- // these requires key size 1024
- "SHA384withRSAandMGF1",
- // these requires key size 768
- "SHA256withRSAandMGF1", "SHA512/256withRSAandMGF1",
- // these are supported by min key size 512
- "SHA1withRSAandMGF1", "SHA224withRSAandMGF1",
- "SHA512/224withRSAandMGF1"
- };
-
- private static final int PSS_INDEX_2048 = 0;
- private static final int PSS_INDEX_1024 = 1;
- private static final int PSS_INDEX_768 = 2;
- private static final int PSS_INDEX_512 = 4;
-
- public static Iterable<String> getSignatureAlgorithms(int keysize,
- SignatureType type) throws RuntimeException {
- List<String> algos;
- Iterable<String> result;
- switch (type) {
- case RSA_PKCS1_5:
- algos = new ArrayList<>(Arrays.asList(PKCS1_5_ALGS));
- if (keysize >= 768) {
- result = algos.subList(PKCS1_5_INDEX_768, PKCS1_5_ALGS.length);
- } else {
- result = algos.subList(PKCS1_5_INDEX_512, PKCS1_5_ALGS.length);
- }
- break;
- case RSA_PSS:
- algos = new ArrayList<>(Arrays.asList(PSS_ALGS));
- if (keysize >= 2048) {
- result = algos.subList(PSS_INDEX_2048, PSS_ALGS.length);
- } else if (keysize >= 1024) {
- result = algos.subList(PSS_INDEX_1024, PSS_ALGS.length);
- } else if (keysize >= 768) {
- result = algos.subList(PSS_INDEX_768, PSS_ALGS.length);
- } else {
- result = algos.subList(PSS_INDEX_512, PSS_ALGS.length);
- }
- break;
- default:
- throw new RuntimeException("Unsupported RSA signature algorithm type: " + type);
- }
- return result;
- }
-
- private static final String RSA_SIG_SUFFIX = "withRSA";
- private static final String RSAPSS_SIG_SUFFIX = "RSA-PSS";
- private static final String RSAPSS_SIG_SUFFIX2 = "withRSAandMGF1";
-
- public static AlgorithmParameterSpec generateDefaultParameter(String sigalg)
- throws RuntimeException {
- if (sigalg.regionMatches(true,
- sigalg.length() - RSA_SIG_SUFFIX.length(),
- RSA_SIG_SUFFIX, 0, RSA_SIG_SUFFIX.length())) {
- // RSA PKCS#1.5 signatures do not use parameters
- return null;
- } else if (sigalg.regionMatches(true,
- sigalg.length() - RSAPSS_SIG_SUFFIX.length(),
- RSAPSS_SIG_SUFFIX, 0, RSAPSS_SIG_SUFFIX.length())) {
- // no default parameters for RSA-PSS signature.
- // RSA-PSS signature with different PSS parameters
- // are tested under Known Answer Tests
- throw new RuntimeException("No default parameter generation for RSA-PSS");
- } else if (sigalg.regionMatches(true,
- sigalg.length() - RSAPSS_SIG_SUFFIX2.length(),
- RSAPSS_SIG_SUFFIX2, 0, RSAPSS_SIG_SUFFIX2.length())) {
- // should be the expanded/friendly name for RSA-PSS
- // use the same digest algo as in its name and its
- // output length as the salt length
- String digest = sigalg.substring(0,
- sigalg.length() - RSAPSS_SIG_SUFFIX2.length()).toUpperCase();
- if (digest.startsWith("SHA") && digest.indexOf("-") == -1) {
- // convert to standard name
- digest = "SHA-" + digest.substring(3);
- }
- // verify the digest algorithm by trying the getInstance call
- try {
- MessageDigest md = MessageDigest.getInstance(digest);
- System.out.println("Digest in PSS parameter: " + digest);
- return new PSSParameterSpec(digest, "MGF1",
- new MGF1ParameterSpec(digest), md.getDigestLength(), 1);
- } catch (NoSuchAlgorithmException e) {
- throw new RuntimeException(e);
- }
- } else {
- throw new RuntimeException("Unsupported RSA signature " + sigalg);
- }
- }
-}