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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * 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,

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 *

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/**

 * @test

 * @bug 6316539

 * @summary Known-answer-test for TlsMasterSecret generator

 * @author Andreas Sterbenz

 * @library ..

 */

import java.io.*;

import java.util.*;

import java.security.Security;

import java.security.Provider;

import javax.crypto.KeyGenerator;

import javax.crypto.SecretKey;

import javax.crypto.spec.*;

import sun.security.internal.spec.*;

import sun.security.internal.interfaces.TlsMasterSecret;

public class TestMasterSecret extends PKCS11Test {

    private static int PREFIX_LENGTH = "m-premaster:  ".length();

    public static void main(String[] args) throws Exception {

        main(new TestMasterSecret());

    }

    public void main(Provider provider) throws Exception {

        if (provider.getService("KeyGenerator", "SunTlsMasterSecret") == null) {

            System.out.println("Not supported by provider, skipping");

            return;

        }

        InputStream in = new FileInputStream(new File(BASE, "masterdata.txt"));

        BufferedReader reader = new BufferedReader(new InputStreamReader(in));

        int n = 0;

        int lineNumber = 0;

        String algorithm = null;

        byte[] premaster = null;

        byte[] clientRandom = null;

        byte[] serverRandom = null;

        int protoMajor = 0;

        int protoMinor = 0;

        int preMajor = 0;

        int preMinor = 0;

        byte[] master = null;

        while (true) {

            String line = reader.readLine();

            lineNumber++;

            if (line == null) {

                break;

            }

            if (line.startsWith("m-") == false) {

                continue;

            }

            String data = line.substring(PREFIX_LENGTH);

            if (line.startsWith("m-algorithm:")) {

                algorithm = data;

            } else if (line.startsWith("m-premaster:")) {

                premaster = parse(data);

            } else if (line.startsWith("m-crandom:")) {

                clientRandom = parse(data);

            } else if (line.startsWith("m-srandom:")) {

                serverRandom = parse(data);

            } else if (line.startsWith("m-protomajor:")) {

                protoMajor = Integer.parseInt(data);

            } else if (line.startsWith("m-protominor:")) {

                protoMinor = Integer.parseInt(data);

            } else if (line.startsWith("m-premajor:")) {

                preMajor = Integer.parseInt(data);

            } else if (line.startsWith("m-preminor:")) {

                preMinor = Integer.parseInt(data);

            } else if (line.startsWith("m-master:")) {

                master = parse(data);

                System.out.print(".");

                n++;

                KeyGenerator kg =

                    KeyGenerator.getInstance("SunTlsMasterSecret", provider);

                SecretKey premasterKey =

                    new SecretKeySpec(premaster, algorithm);

                TlsMasterSecretParameterSpec spec =

                    new TlsMasterSecretParameterSpec(premasterKey,

                        protoMajor, protoMinor, clientRandom, serverRandom,

                        null, -1, -1);

                kg.init(spec);

                TlsMasterSecret key = (TlsMasterSecret)kg.generateKey();

                byte[] enc = key.getEncoded();

                if (Arrays.equals(master, enc) == false) {

                    throw new Exception("mismatch line: " + lineNumber);

                }

                if ((preMajor != key.getMajorVersion()) ||

                        (preMinor != key.getMinorVersion())) {

                    throw new Exception("version mismatch line: " + lineNumber);

                }

            } else {

                throw new Exception("Unknown line: " + line);

            }

        }

        if (n == 0) {

            throw new Exception("no tests");

        }

        in.close();

        System.out.println();

        System.out.println("OK: " + n + " tests");

    }

}