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Java example source code file (SunECEntries.java)

This example Java source code file (SunECEntries.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

implementedin, keysize, namedcurve, regex, sha1withecdsa, sha224withecdsa, sha256withecdsa, sha384withecdsa, software, string, stringbuilder, sunecentries, supportedkeyclasses, util

The SunECEntries.java Java example source code

/*
 * Copyright (c) 2009, 2013, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 sun.security.ec;

import java.util.Collection;
import java.util.Map;

import java.util.regex.Pattern;

/**
 * Defines the entries of the SunEC provider.
 *
 * @since 1.7
 */
final class SunECEntries {

    private SunECEntries() {
        // empty
    }

    static void putEntries(Map<Object, Object> map,
        boolean useFullImplementation) {

        /*
         *  Key Factory engine
         */
        map.put("KeyFactory.EC", "sun.security.ec.ECKeyFactory");
        map.put("Alg.Alias.KeyFactory.EllipticCurve", "EC");

        map.put("KeyFactory.EC ImplementedIn", "Software");

        /*
         * Algorithm Parameter engine
         */
        map.put("AlgorithmParameters.EC", "sun.security.ec.ECParameters");
        map.put("Alg.Alias.AlgorithmParameters.EllipticCurve", "EC");
        map.put("Alg.Alias.AlgorithmParameters.1.2.840.10045.2.1", "EC");

        map.put("AlgorithmParameters.EC KeySize", "256");

        map.put("AlgorithmParameters.EC ImplementedIn", "Software");

        // "AlgorithmParameters.EC SupportedCurves" prop used by unit test
        boolean firstCurve = true;
        StringBuilder names = new StringBuilder();
        Pattern nameSplitPattern = Pattern.compile(CurveDB.SPLIT_PATTERN);

        Collection<? extends NamedCurve> supportedCurves =
            CurveDB.getSupportedCurves();
        for (NamedCurve namedCurve : supportedCurves) {
            if (!firstCurve) {
                names.append("|");
            } else {
                firstCurve = false;
            }

            names.append("[");

            String[] commonNames = nameSplitPattern.split(namedCurve.getName());
            for (String commonName : commonNames) {
                names.append(commonName.trim());
                names.append(",");
            }

            names.append(namedCurve.getObjectId());
            names.append("]");
        }

        map.put("AlgorithmParameters.EC SupportedCurves", names.toString());

        /*
         * Register the algorithms below only when the full ECC implementation
         * is available
         */
        if (!useFullImplementation) {
            return;
        }

        /*
         * Signature engines
         */
        map.put("Signature.NONEwithECDSA",
            "sun.security.ec.ECDSASignature$Raw");
        map.put("Signature.SHA1withECDSA",
            "sun.security.ec.ECDSASignature$SHA1");
        map.put("Alg.Alias.Signature.OID.1.2.840.10045.4.1", "SHA1withECDSA");
        map.put("Alg.Alias.Signature.1.2.840.10045.4.1", "SHA1withECDSA");

        map.put("Signature.SHA224withECDSA",
            "sun.security.ec.ECDSASignature$SHA224");
        map.put("Alg.Alias.Signature.OID.1.2.840.10045.4.3.1", "SHA224withECDSA");
        map.put("Alg.Alias.Signature.1.2.840.10045.4.3.1", "SHA224withECDSA");

        map.put("Signature.SHA256withECDSA",
            "sun.security.ec.ECDSASignature$SHA256");
        map.put("Alg.Alias.Signature.OID.1.2.840.10045.4.3.2", "SHA256withECDSA");
        map.put("Alg.Alias.Signature.1.2.840.10045.4.3.2", "SHA256withECDSA");

        map.put("Signature.SHA384withECDSA",
            "sun.security.ec.ECDSASignature$SHA384");
        map.put("Alg.Alias.Signature.OID.1.2.840.10045.4.3.3", "SHA384withECDSA");
        map.put("Alg.Alias.Signature.1.2.840.10045.4.3.3", "SHA384withECDSA");

        map.put("Signature.SHA512withECDSA",
            "sun.security.ec.ECDSASignature$SHA512");
        map.put("Alg.Alias.Signature.OID.1.2.840.10045.4.3.4", "SHA512withECDSA");
        map.put("Alg.Alias.Signature.1.2.840.10045.4.3.4", "SHA512withECDSA");

        String ecKeyClasses = "java.security.interfaces.ECPublicKey" +
                "|java.security.interfaces.ECPrivateKey";
        map.put("Signature.NONEwithECDSA SupportedKeyClasses", ecKeyClasses);
        map.put("Signature.SHA1withECDSA SupportedKeyClasses", ecKeyClasses);
        map.put("Signature.SHA224withECDSA SupportedKeyClasses", ecKeyClasses);
        map.put("Signature.SHA256withECDSA SupportedKeyClasses", ecKeyClasses);
        map.put("Signature.SHA384withECDSA SupportedKeyClasses", ecKeyClasses);
        map.put("Signature.SHA512withECDSA SupportedKeyClasses", ecKeyClasses);

        map.put("Signature.SHA1withECDSA KeySize", "256");

        map.put("Signature.NONEwithECDSA ImplementedIn", "Software");
        map.put("Signature.SHA1withECDSA ImplementedIn", "Software");
        map.put("Signature.SHA224withECDSA ImplementedIn", "Software");
        map.put("Signature.SHA256withECDSA ImplementedIn", "Software");
        map.put("Signature.SHA384withECDSA ImplementedIn", "Software");
        map.put("Signature.SHA512withECDSA ImplementedIn", "Software");

        /*
         *  Key Pair Generator engine
         */
        map.put("KeyPairGenerator.EC", "sun.security.ec.ECKeyPairGenerator");
        map.put("Alg.Alias.KeyPairGenerator.EllipticCurve", "EC");

        map.put("KeyPairGenerator.EC KeySize", "256");

        map.put("KeyPairGenerator.EC ImplementedIn", "Software");

        /*
         * Key Agreement engine
         */
        map.put("KeyAgreement.ECDH", "sun.security.ec.ECDHKeyAgreement");

        map.put("KeyAgreement.ECDH SupportedKeyClasses", ecKeyClasses);

        map.put("KeyAgreement.ECDH ImplementedIn", "Software");
    }
}

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