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Java example source code file (PKCS11Test.java)

This example Java source code file (PKCS11Test.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

bytearrayoutputstream, eccstate, ecparameterspec, exception, extended, file, fileinputstream, nss, pkcs11_base, provider, reflection, runtimeexception, security, sep, string, util, vector

The PKCS11Test.java Java example source code

/*
 * Copyright (c) 2003, 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.
 *
 * 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.
 */


// common infrastructure for SunPKCS11 tests

import java.io.*;
import java.util.*;
import java.lang.reflect.*;

import java.security.*;
import java.security.spec.ECGenParameterSpec;
import java.security.spec.ECParameterSpec;

public abstract class PKCS11Test {

    // directory of the test source
    static final String BASE = System.getProperty("test.src", ".");

    static final char SEP = File.separatorChar;

    private final static String REL_CLOSED = "../../../../closed/sun/security/pkcs11".replace('/', SEP);

    // directory corresponding to BASE in the /closed hierarchy
    static final String CLOSED_BASE;

    static {
        // hack
        String absBase = new File(BASE).getAbsolutePath();
        int k = absBase.indexOf(SEP + "test" + SEP + "sun" + SEP);
        if (k < 0) k = 0;
        String p1 = absBase.substring(0, k + 6);
        String p2 = absBase.substring(k + 5);
        CLOSED_BASE = p1 + "closed" + p2;
    }

    static String NSPR_PREFIX = "";

    // NSS version info
    public static enum ECCState { None, Basic, Extended };
    static double nss_version = -1;
    static ECCState nss_ecc_status = ECCState.Extended;

    // The NSS library we need to search for in getNSSLibDir()
    // Default is "libsoftokn3.so", listed as "softokn3"
    // The other is "libnss3.so", listed as "nss3".
    static String nss_library = "softokn3";

    static Provider getSunPKCS11(String config) throws Exception {
        Class clazz = Class.forName("sun.security.pkcs11.SunPKCS11");
        Constructor cons = clazz.getConstructor(new Class[] {String.class});
        Object obj = cons.newInstance(new Object[] {config});
        return (Provider)obj;
    }

    public abstract void main(Provider p) throws Exception;

    private void premain(Provider p) throws Exception {
        long start = System.currentTimeMillis();
        System.out.println("Running test with provider " + p.getName() + "...");
        main(p);
        long stop = System.currentTimeMillis();
        System.out.println("Completed test with provider " + p.getName() + " (" + (stop - start) + " ms).");
    }

    public static void main(PKCS11Test test) throws Exception {
        Provider[] oldProviders = Security.getProviders();
        try {
            System.out.println("Beginning test run " + test.getClass().getName() + "...");
            testDefault(test);
            testNSS(test);
            testDeimos(test);
        } finally {
            // NOTE: Do not place a 'return' in any finally block
            // as it will suppress exceptions and hide test failures.
            Provider[] newProviders = Security.getProviders();
            boolean found = true;
            // Do not restore providers if nothing changed. This is especailly
            // useful for ./Provider/Login.sh, where a SecurityManager exists.
            if (oldProviders.length == newProviders.length) {
                found = false;
                for (int i = 0; i<oldProviders.length; i++) {
                    if (oldProviders[i] != newProviders[i]) {
                        found = true;
                        break;
                    }
                }
            }
            if (found) {
                for (Provider p: newProviders) {
                    Security.removeProvider(p.getName());
                }
                for (Provider p: oldProviders) {
                    Security.addProvider(p);
                }
            }
        }
    }

    public static void testDeimos(PKCS11Test test) throws Exception {
        if (new File("/opt/SUNWconn/lib/libpkcs11.so").isFile() == false ||
            "true".equals(System.getProperty("NO_DEIMOS"))) {
            return;
        }
        String base = getBase();
        String p11config = base + SEP + "nss" + SEP + "p11-deimos.txt";
        Provider p = getSunPKCS11(p11config);
        test.premain(p);
    }

    public static void testDefault(PKCS11Test test) throws Exception {
        // run test for default configured PKCS11 providers (if any)

        if ("true".equals(System.getProperty("NO_DEFAULT"))) {
            return;
        }

        Provider[] providers = Security.getProviders();
        for (int i = 0; i < providers.length; i++) {
            Provider p = providers[i];
            if (p.getName().startsWith("SunPKCS11-")) {
                test.premain(p);
            }
        }
    }

    private static String PKCS11_BASE;
    static {
        try {
            PKCS11_BASE = getBase();
        } catch (Exception e) {
            // ignore
        }
    }

    private final static String PKCS11_REL_PATH = "sun/security/pkcs11";

    public static String getBase() throws Exception {
        if (PKCS11_BASE != null) {
            return PKCS11_BASE;
        }
        File cwd = new File(System.getProperty("test.src", ".")).getCanonicalFile();
        while (true) {
            File file = new File(cwd, "TEST.ROOT");
            if (file.isFile()) {
                break;
            }
            cwd = cwd.getParentFile();
            if (cwd == null) {
                throw new Exception("Test root directory not found");
            }
        }
        PKCS11_BASE = new File(cwd, PKCS11_REL_PATH.replace('/', SEP)).getAbsolutePath();
        return PKCS11_BASE;
    }

    public static String getNSSLibDir() throws Exception {
        Properties props = System.getProperties();
        String osName = props.getProperty("os.name");
        if (osName.startsWith("Win")) {
            osName = "Windows";
            NSPR_PREFIX = "lib";
        }
        String osid = osName + "-"
                + props.getProperty("os.arch") + "-" + props.getProperty("sun.arch.data.model");
        String[] nssLibDirs = osMap.get(osid);
        if (nssLibDirs == null) {
            System.out.println("Unsupported OS, skipping: " + osid);
            return null;
        }
        if (nssLibDirs.length == 0) {
            System.out.println("NSS not supported on this platform, skipping test");
            return null;
        }
        String nssLibDir = null;
        for (String dir : nssLibDirs) {
            if (new File(dir).exists() &&
                new File(dir + System.mapLibraryName(nss_library)).exists()) {
                nssLibDir = dir;
                System.setProperty("pkcs11test.nss.libdir", nssLibDir);
                break;
            }
        }
        return nssLibDir;
    }

    protected static void safeReload(String lib) throws Exception {
        try {
            System.load(lib);
        } catch (UnsatisfiedLinkError e) {
            if (e.getMessage().contains("already loaded")) {
                return;
            }
        }
    }

    static boolean loadNSPR(String libdir) throws Exception {
        // load NSS softoken dependencies in advance to avoid resolver issues
        safeReload(libdir + System.mapLibraryName(NSPR_PREFIX + "nspr4"));
        safeReload(libdir + System.mapLibraryName(NSPR_PREFIX + "plc4"));
        safeReload(libdir + System.mapLibraryName(NSPR_PREFIX + "plds4"));
        safeReload(libdir + System.mapLibraryName("sqlite3"));
        safeReload(libdir + System.mapLibraryName("nssutil3"));
        return true;
    }

    // Check the provider being used is NSS
    public static boolean isNSS(Provider p) {
        return p.getName().toUpperCase().equals("SUNPKCS11-NSS");
    }

    static double getNSSVersion() {
        if (nss_version == -1)
            getNSSInfo();
        return nss_version;
    }

    static ECCState getNSSECC() {
        if (nss_version == -1)
            getNSSInfo();
        return nss_ecc_status;
    }

    /* Read the library to find out the verison */
    static void getNSSInfo() {
        String nssHeader = "$Header: NSS";
        boolean found = false;
        String s = null;
        int i = 0;
        String libfile = "";

        try {
            libfile = getNSSLibDir() + System.mapLibraryName(nss_library);
            FileInputStream is = new FileInputStream(libfile);
            byte[] data = new byte[1000];
            int read = 0;

            while (is.available() > 0) {
                if (read == 0) {
                    read = is.read(data, 0, 1000);
                } else {
                    // Prepend last 100 bytes in case the header was split
                    // between the reads.
                    System.arraycopy(data, 900, data, 0, 100);
                    read = 100 + is.read(data, 100, 900);
                }

                s = new String(data, 0, read);
                if ((i = s.indexOf(nssHeader)) > 0) {
                    found = true;
                    // If the nssHeader is before 920 we can break, otherwise
                    // we may not have the whole header so do another read.  If
                    // no bytes are in the stream, that is ok, found is true.
                    if (i < 920) {
                        break;
                    }
                }
            }

            is.close();

        } catch (Exception e) {
            e.printStackTrace();
        }

        if (!found) {
            System.out.println("NSS version not found, set to 0.0: "+libfile);
            nss_version = 0.0;
            return;
        }

        // the index after whitespace after nssHeader
        int afterheader = s.indexOf("NSS", i) + 4;
        String version = s.substring(afterheader, s.indexOf(' ', afterheader));

        // If a "dot dot" release, strip the extra dots for double parsing
        String[] dot = version.split("\\.");
        if (dot.length > 2) {
            version = dot[0]+"."+dot[1];
            for (int j = 2; dot.length > j; j++) {
                version += dot[j];
            }
        }

        // Convert to double for easier version value checking
        try {
            nss_version = Double.parseDouble(version);
        } catch (NumberFormatException e) {
            System.out.println("Failed to parse NSS version. Set to 0.0");
            e.printStackTrace();
        }

        System.out.print("NSS version = "+version+".  ");

        // Check for ECC
        if (s.indexOf("Basic") > 0) {
            nss_ecc_status = ECCState.Basic;
            System.out.println("ECC Basic.");
        } else if (s.indexOf("Extended") > 0) {
            nss_ecc_status = ECCState.Extended;
            System.out.println("ECC Extended.");
        }
    }

    // Used to set the nss_library file to search for libsoftokn3.so
    public static void useNSS() {
        nss_library = "nss3";
    }

    public static void testNSS(PKCS11Test test) throws Exception {
        String libdir = getNSSLibDir();
        if (libdir == null) {
            return;
        }
        String base = getBase();

        if (loadNSPR(libdir) == false) {
            return;
        }

        String libfile = libdir + System.mapLibraryName(nss_library);

        String customDBdir = System.getProperty("CUSTOM_DB_DIR");
        String dbdir = (customDBdir != null) ?
                                customDBdir :
                                base + SEP + "nss" + SEP + "db";
        // NSS always wants forward slashes for the config path
        dbdir = dbdir.replace('\\', '/');

        String customConfig = System.getProperty("CUSTOM_P11_CONFIG");
        String customConfigName = System.getProperty("CUSTOM_P11_CONFIG_NAME", "p11-nss.txt");
        String p11config = (customConfig != null) ?
                                customConfig :
                                base + SEP + "nss" + SEP + customConfigName;

        System.setProperty("pkcs11test.nss.lib", libfile);
        System.setProperty("pkcs11test.nss.db", dbdir);
        Provider p = getSunPKCS11(p11config);
        test.premain(p);
    }

    // Generate a vector of supported elliptic curves of a given provider
    static Vector<ECParameterSpec> getKnownCurves(Provider p) throws Exception {
        int index;
        int begin;
        int end;
        String curve;
        KeyPair kp = null;

        Vector<ECParameterSpec> results = new Vector();
        // Get Curves to test from SunEC.
        String kcProp = Security.getProvider("SunEC").
                getProperty("AlgorithmParameters.EC SupportedCurves");

        if (kcProp == null) {
            throw new RuntimeException(
            "\"AlgorithmParameters.EC SupportedCurves property\" not found");
        }

        System.out.println("Finding supported curves using list from SunEC\n");
        index = 0;
        for (;;) {
            // Each set of curve names is enclosed with brackets.
            begin = kcProp.indexOf('[', index);
            end = kcProp.indexOf(']', index);
            if (begin == -1 || end == -1) {
                break;
            }

            /*
             * Each name is separated by a comma.
             * Just get the first name in the set.
             */
            index = end + 1;
            begin++;
            end = kcProp.indexOf(',', begin);
            if (end == -1) {
                // Only one name in the set.
                end = index -1;
            }

            curve = kcProp.substring(begin, end);
            ECParameterSpec e = getECParameterSpec(p, curve);
            System.out.print("\t "+ curve + ": ");
            try {
                KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC", p);
                kpg.initialize(e);
                kp = kpg.generateKeyPair();
                results.add(e);
                System.out.println("Supported");
            } catch (ProviderException ex) {
                System.out.println("Unsupported: PKCS11: " +
                        ex.getCause().getMessage());
            } catch (InvalidAlgorithmParameterException ex) {
                System.out.println("Unsupported: Key Length: " +
                        ex.getMessage());
            }
        }

        if (results.size() == 0) {
            throw new RuntimeException("No supported EC curves found");
        }

        return results;
    }

    private static ECParameterSpec getECParameterSpec(Provider p, String name)
            throws Exception {

        AlgorithmParameters parameters =
            AlgorithmParameters.getInstance("EC", p);

        parameters.init(new ECGenParameterSpec(name));

        return parameters.getParameterSpec(ECParameterSpec.class);
    }

    // Check support for a curve with a provided Vector of EC support
    boolean checkSupport(Vector<ECParameterSpec> supportedEC,
            ECParameterSpec curve) {
        boolean found = false;
        for (ECParameterSpec ec: supportedEC) {
            if (ec.equals(curve)) {
                return true;
            }
        }
        return false;
    }

    private static final Map<String,String[]> osMap;

    // Location of the NSS libraries on each supported platform
    static {
        osMap = new HashMap<String,String[]>();
        osMap.put("SunOS-sparc-32", new String[]{"/usr/lib/mps/"});
        osMap.put("SunOS-sparcv9-64", new String[]{"/usr/lib/mps/64/"});
        osMap.put("SunOS-x86-32", new String[]{"/usr/lib/mps/"});
        osMap.put("SunOS-amd64-64", new String[]{"/usr/lib/mps/64/"});
        osMap.put("Linux-i386-32", new String[]{
            "/usr/lib/i386-linux-gnu/", "/usr/lib/"});
        osMap.put("Linux-amd64-64", new String[]{
            "/usr/lib/x86_64-linux-gnu/", "/usr/lib/x86_64-linux-gnu/nss/",
            "/usr/lib64/"});
        osMap.put("Windows-x86-32", new String[]{
            PKCS11_BASE + "/nss/lib/windows-i586/".replace('/', SEP)});
        osMap.put("Windows-amd64-64", new String[]{
            PKCS11_BASE + "/nss/lib/windows-amd64/".replace('/', SEP)});
    }

    private final static char[] hexDigits = "0123456789abcdef".toCharArray();

    public static String toString(byte[] b) {
        if (b == null) {
            return "(null)";
        }
        StringBuffer sb = new StringBuffer(b.length * 3);
        for (int i = 0; i < b.length; i++) {
            int k = b[i] & 0xff;
            if (i != 0) {
                sb.append(':');
            }
            sb.append(hexDigits[k >>> 4]);
            sb.append(hexDigits[k & 0xf]);
        }
        return sb.toString();
    }

    public static byte[] parse(String s) {
        if (s.equals("(null)")) {
            return null;
        }
        try {
            int n = s.length();
            ByteArrayOutputStream out = new ByteArrayOutputStream(n / 3);
            StringReader r = new StringReader(s);
            while (true) {
                int b1 = nextNibble(r);
                if (b1 < 0) {
                    break;
                }
                int b2 = nextNibble(r);
                if (b2 < 0) {
                    throw new RuntimeException("Invalid string " + s);
                }
                int b = (b1 << 4) | b2;
                out.write(b);
            }
            return out.toByteArray();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    private static int nextNibble(StringReader r) throws IOException {
        while (true) {
            int ch = r.read();
            if (ch == -1) {
                return -1;
            } else if ((ch >= '0') && (ch <= '9')) {
                return ch - '0';
            } else if ((ch >= 'a') && (ch <= 'f')) {
                return ch - 'a' + 10;
            } else if ((ch >= 'A') && (ch <= 'F')) {
                return ch - 'A' + 10;
            }
        }
    }

    <T> T[] concat(T[] a, T[] b) {
        if ((b == null) || (b.length == 0)) {
            return a;
        }
        T[] r = (T[])java.lang.reflect.Array.newInstance(a.getClass().getComponentType(), a.length + b.length);
        System.arraycopy(a, 0, r, 0, a.length);
        System.arraycopy(b, 0, r, a.length, b.length);
        return r;
    }

}

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