jdk/src/jdk.crypto.pkcs11/share/classes/sun/security/pkcs11/Secmod.java
changeset 42939 e5d5f0f2d40d
parent 42938 c0b3077af726
parent 42767 8ea2f3d10b8c
child 42940 0d1409532a41
--- a/jdk/src/jdk.crypto.pkcs11/share/classes/sun/security/pkcs11/Secmod.java	Tue Dec 06 14:54:11 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,787 +0,0 @@
-/*
- * Copyright (c) 2005, 2015, 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.pkcs11;
-
-import java.io.*;
-import java.util.*;
-
-import java.security.*;
-import java.security.KeyStore.*;
-import java.security.cert.X509Certificate;
-
-import sun.security.pkcs11.wrapper.*;
-import static sun.security.pkcs11.wrapper.PKCS11Constants.*;
-
-
-/**
- * The Secmod class defines the interface to the native NSS
- * library and the configuration information it stores in its
- * secmod.db file.
- *
- * <p>Example code:
- * <pre>
- *   Secmod secmod = Secmod.getInstance();
- *   if (secmod.isInitialized() == false) {
- *       secmod.initialize("/home/myself/.mozilla");
- *   }
- *
- *   Provider p = secmod.getModule(ModuleType.KEYSTORE).getProvider();
- *   KeyStore ks = KeyStore.getInstance("PKCS11", p);
- *   ks.load(null, password);
- * </pre>
- *
- * @since   1.6
- * @author  Andreas Sterbenz
- */
-public final class Secmod {
-
-    private final static boolean DEBUG = false;
-
-    private final static Secmod INSTANCE;
-
-    static {
-        sun.security.pkcs11.wrapper.PKCS11.loadNative();
-        INSTANCE = new Secmod();
-    }
-
-    private final static String NSS_LIB_NAME = "nss3";
-
-    private final static String SOFTTOKEN_LIB_NAME = "softokn3";
-
-    private final static String TRUST_LIB_NAME = "nssckbi";
-
-    // handle to be passed to the native code, 0 means not initialized
-    private long nssHandle;
-
-    // whether this is a supported version of NSS
-    private boolean supported;
-
-    // list of the modules
-    private List<Module> modules;
-
-    private String configDir;
-
-    private String nssLibDir;
-
-    private Secmod() {
-        // empty
-    }
-
-    /**
-     * Return the singleton Secmod instance.
-     */
-    public static Secmod getInstance() {
-        return INSTANCE;
-    }
-
-    private boolean isLoaded() {
-        if (nssHandle == 0) {
-            nssHandle = nssGetLibraryHandle(System.mapLibraryName(NSS_LIB_NAME));
-            if (nssHandle != 0) {
-                fetchVersions();
-            }
-        }
-        return (nssHandle != 0);
-    }
-
-    private void fetchVersions() {
-        supported = nssVersionCheck(nssHandle, "3.7");
-    }
-
-    /**
-     * Test whether this Secmod has been initialized. Returns true
-     * if NSS has been initialized using either the initialize() method
-     * or by directly calling the native NSS APIs. The latter may be
-     * the case if the current process contains components that use
-     * NSS directly.
-     *
-     * @throws IOException if an incompatible version of NSS
-     *   has been loaded
-     */
-    public synchronized boolean isInitialized() throws IOException {
-        // NSS does not allow us to check if it is initialized already
-        // assume that if it is loaded it is also initialized
-        if (isLoaded() == false) {
-            return false;
-        }
-        if (supported == false) {
-            throw new IOException
-                ("An incompatible version of NSS is already loaded, "
-                + "3.7 or later required");
-        }
-        return true;
-    }
-
-    String getConfigDir() {
-        return configDir;
-    }
-
-    String getLibDir() {
-        return nssLibDir;
-    }
-
-    /**
-     * Initialize this Secmod.
-     *
-     * @param configDir the directory containing the NSS configuration
-     *   files such as secmod.db
-     * @param nssLibDir the directory containing the NSS libraries
-     *   (libnss3.so or nss3.dll) or null if the library is on
-     *   the system default shared library path
-     *
-     * @throws IOException if NSS has already been initialized,
-     *   the specified directories are invalid, or initialization
-     *   fails for any other reason
-     */
-    public void initialize(String configDir, String nssLibDir)
-            throws IOException {
-        initialize(DbMode.READ_WRITE, configDir, nssLibDir, false);
-    }
-
-    public void initialize(DbMode dbMode, String configDir, String nssLibDir)
-            throws IOException {
-        initialize(dbMode, configDir, nssLibDir, false);
-    }
-
-    public synchronized void initialize(DbMode dbMode, String configDir,
-        String nssLibDir, boolean nssOptimizeSpace) throws IOException {
-
-        if (isInitialized()) {
-            throw new IOException("NSS is already initialized");
-        }
-
-        if (dbMode == null) {
-            throw new NullPointerException();
-        }
-        if ((dbMode != DbMode.NO_DB) && (configDir == null)) {
-            throw new NullPointerException();
-        }
-        String platformLibName = System.mapLibraryName("nss3");
-        String platformPath;
-        if (nssLibDir == null) {
-            platformPath = platformLibName;
-        } else {
-            File base = new File(nssLibDir);
-            if (base.isDirectory() == false) {
-                throw new IOException("nssLibDir must be a directory:" + nssLibDir);
-            }
-            File platformFile = new File(base, platformLibName);
-            if (platformFile.isFile() == false) {
-                throw new FileNotFoundException(platformFile.getPath());
-            }
-            platformPath = platformFile.getPath();
-        }
-
-        if (configDir != null) {
-            File configBase = new File(configDir);
-            if (configBase.isDirectory() == false ) {
-                throw new IOException("configDir must be a directory: " + configDir);
-            }
-            File secmodFile = new File(configBase, "secmod.db");
-            if (secmodFile.isFile() == false) {
-                throw new FileNotFoundException(secmodFile.getPath());
-            }
-        }
-
-        if (DEBUG) System.out.println("lib: " + platformPath);
-        nssHandle = nssLoadLibrary(platformPath);
-        if (DEBUG) System.out.println("handle: " + nssHandle);
-        fetchVersions();
-        if (supported == false) {
-            throw new IOException
-                ("The specified version of NSS is incompatible, "
-                + "3.7 or later required");
-        }
-
-        if (DEBUG) System.out.println("dir: " + configDir);
-        boolean initok = nssInitialize(dbMode.functionName, nssHandle,
-            configDir, nssOptimizeSpace);
-        if (DEBUG) System.out.println("init: " + initok);
-        if (initok == false) {
-            throw new IOException("NSS initialization failed");
-        }
-
-        this.configDir = configDir;
-        this.nssLibDir = nssLibDir;
-    }
-
-    /**
-     * Return an immutable list of all available modules.
-     *
-     * @throws IllegalStateException if this Secmod is misconfigured
-     *   or not initialized
-     */
-    public synchronized List<Module> getModules() {
-        try {
-            if (isInitialized() == false) {
-                throw new IllegalStateException("NSS not initialized");
-            }
-        } catch (IOException e) {
-            // IOException if misconfigured
-            throw new IllegalStateException(e);
-        }
-        if (modules == null) {
-            @SuppressWarnings("unchecked")
-            List<Module> modules = (List<Module>)nssGetModuleList(nssHandle,
-                nssLibDir);
-            this.modules = Collections.unmodifiableList(modules);
-        }
-        return modules;
-    }
-
-    private static byte[] getDigest(X509Certificate cert, String algorithm) {
-        try {
-            MessageDigest md = MessageDigest.getInstance(algorithm);
-            return md.digest(cert.getEncoded());
-        } catch (GeneralSecurityException e) {
-            throw new ProviderException(e);
-        }
-    }
-
-    boolean isTrusted(X509Certificate cert, TrustType trustType) {
-        Bytes bytes = new Bytes(getDigest(cert, "SHA-1"));
-        TrustAttributes attr = getModuleTrust(ModuleType.KEYSTORE, bytes);
-        if (attr == null) {
-            attr = getModuleTrust(ModuleType.FIPS, bytes);
-            if (attr == null) {
-                attr = getModuleTrust(ModuleType.TRUSTANCHOR, bytes);
-            }
-        }
-        return (attr == null) ? false : attr.isTrusted(trustType);
-    }
-
-    private TrustAttributes getModuleTrust(ModuleType type, Bytes bytes) {
-        Module module = getModule(type);
-        TrustAttributes t = (module == null) ? null : module.getTrust(bytes);
-        return t;
-    }
-
-    /**
-     * Constants describing the different types of NSS modules.
-     * For this API, NSS modules are classified as either one
-     * of the internal modules delivered as part of NSS or
-     * as an external module provided by a 3rd party.
-     */
-    public static enum ModuleType {
-        /**
-         * The NSS Softtoken crypto module. This is the first
-         * slot of the softtoken object.
-         * This module provides
-         * implementations for cryptographic algorithms but no KeyStore.
-         */
-        CRYPTO,
-        /**
-         * The NSS Softtoken KeyStore module. This is the second
-         * slot of the softtoken object.
-         * This module provides
-         * implementations for cryptographic algorithms (after login)
-         * and the KeyStore.
-         */
-        KEYSTORE,
-        /**
-         * The NSS Softtoken module in FIPS mode. Note that in FIPS mode the
-         * softtoken presents only one slot, not separate CRYPTO and KEYSTORE
-         * slots as in non-FIPS mode.
-         */
-        FIPS,
-        /**
-         * The NSS builtin trust anchor module. This is the
-         * NSSCKBI object. It provides no crypto functions.
-         */
-        TRUSTANCHOR,
-        /**
-         * An external module.
-         */
-        EXTERNAL,
-    }
-
-    /**
-     * Returns the first module of the specified type. If no such
-     * module exists, this method returns null.
-     *
-     * @throws IllegalStateException if this Secmod is misconfigured
-     *   or not initialized
-     */
-    public Module getModule(ModuleType type) {
-        for (Module module : getModules()) {
-            if (module.getType() == type) {
-                return module;
-            }
-        }
-        return null;
-    }
-
-    static final String TEMPLATE_EXTERNAL =
-        "library = %s\n"
-        + "name = \"%s\"\n"
-        + "slotListIndex = %d\n";
-
-    static final String TEMPLATE_TRUSTANCHOR =
-        "library = %s\n"
-        + "name = \"NSS Trust Anchors\"\n"
-        + "slotListIndex = 0\n"
-        + "enabledMechanisms = { KeyStore }\n"
-        + "nssUseSecmodTrust = true\n";
-
-    static final String TEMPLATE_CRYPTO =
-        "library = %s\n"
-        + "name = \"NSS SoftToken Crypto\"\n"
-        + "slotListIndex = 0\n"
-        + "disabledMechanisms = { KeyStore }\n";
-
-    static final String TEMPLATE_KEYSTORE =
-        "library = %s\n"
-        + "name = \"NSS SoftToken KeyStore\"\n"
-        + "slotListIndex = 1\n"
-        + "nssUseSecmodTrust = true\n";
-
-    static final String TEMPLATE_FIPS =
-        "library = %s\n"
-        + "name = \"NSS FIPS SoftToken\"\n"
-        + "slotListIndex = 0\n"
-        + "nssUseSecmodTrust = true\n";
-
-    /**
-     * A representation of one PKCS#11 slot in a PKCS#11 module.
-     */
-    public static final class Module {
-        // path of the native library
-        final String libraryName;
-        // descriptive name used by NSS
-        final String commonName;
-        final int slot;
-        final ModuleType type;
-
-        private String config;
-        private SunPKCS11 provider;
-
-        // trust attributes. Used for the KEYSTORE and TRUSTANCHOR modules only
-        private Map<Bytes,TrustAttributes> trust;
-
-        Module(String libraryDir, String libraryName, String commonName,
-                boolean fips, int slot) {
-            ModuleType type;
-
-            if ((libraryName == null) || (libraryName.length() == 0)) {
-                // must be softtoken
-                libraryName = System.mapLibraryName(SOFTTOKEN_LIB_NAME);
-                if (fips == false) {
-                    type = (slot == 0) ? ModuleType.CRYPTO : ModuleType.KEYSTORE;
-                } else {
-                    type = ModuleType.FIPS;
-                    if (slot != 0) {
-                        throw new RuntimeException
-                            ("Slot index should be 0 for FIPS slot");
-                    }
-                }
-            } else {
-                if (libraryName.endsWith(System.mapLibraryName(TRUST_LIB_NAME))
-                        || commonName.equals("Builtin Roots Module")) {
-                    type = ModuleType.TRUSTANCHOR;
-                } else {
-                    type = ModuleType.EXTERNAL;
-                }
-                if (fips) {
-                    throw new RuntimeException("FIPS flag set for non-internal "
-                        + "module: " + libraryName + ", " + commonName);
-                }
-            }
-            // On Ubuntu the libsoftokn3 library is located in a subdirectory
-            // of the system libraries directory. (Since Ubuntu 11.04.)
-            File libraryFile = new File(libraryDir, libraryName);
-            if (!libraryFile.isFile()) {
-               File failover = new File(libraryDir, "nss/" + libraryName);
-               if (failover.isFile()) {
-                   libraryFile = failover;
-               }
-            }
-            this.libraryName = libraryFile.getPath();
-            this.commonName = commonName;
-            this.slot = slot;
-            this.type = type;
-            initConfiguration();
-        }
-
-        private void initConfiguration() {
-            switch (type) {
-            case EXTERNAL:
-                config = String.format(TEMPLATE_EXTERNAL, libraryName,
-                                            commonName + " " + slot, slot);
-                break;
-            case CRYPTO:
-                config = String.format(TEMPLATE_CRYPTO, libraryName);
-                break;
-            case KEYSTORE:
-                config = String.format(TEMPLATE_KEYSTORE, libraryName);
-                break;
-            case FIPS:
-                config = String.format(TEMPLATE_FIPS, libraryName);
-                break;
-            case TRUSTANCHOR:
-                config = String.format(TEMPLATE_TRUSTANCHOR, libraryName);
-                break;
-            default:
-                throw new RuntimeException("Unknown module type: " + type);
-            }
-        }
-
-        /**
-         * Get the configuration for this module. This is a string
-         * in the SunPKCS11 configuration format. It can be
-         * customized with additional options and then made
-         * current using the setConfiguration() method.
-         */
-        @Deprecated
-        public synchronized String getConfiguration() {
-            return config;
-        }
-
-        /**
-         * Set the configuration for this module.
-         *
-         * @throws IllegalStateException if the associated provider
-         *   instance has already been created.
-         */
-        @Deprecated
-        public synchronized void setConfiguration(String config) {
-            if (provider != null) {
-                throw new IllegalStateException("Provider instance already created");
-            }
-            this.config = config;
-        }
-
-        /**
-         * Return the pathname of the native library that implements
-         * this module. For example, /usr/lib/libpkcs11.so.
-         */
-        public String getLibraryName() {
-            return libraryName;
-        }
-
-        /**
-         * Returns the type of this module.
-         */
-        public ModuleType getType() {
-            return type;
-        }
-
-        /**
-         * Returns the provider instance that is associated with this
-         * module. The first call to this method creates the provider
-         * instance.
-         */
-        @Deprecated
-        public synchronized Provider getProvider() {
-            if (provider == null) {
-                provider = newProvider();
-            }
-            return provider;
-        }
-
-        synchronized boolean hasInitializedProvider() {
-            return provider != null;
-        }
-
-        void setProvider(SunPKCS11 p) {
-            if (provider != null) {
-                throw new ProviderException("Secmod provider already initialized");
-            }
-            provider = p;
-        }
-
-        private SunPKCS11 newProvider() {
-            try {
-                return new SunPKCS11(new Config("--" + config));
-            } catch (Exception e) {
-                // XXX
-                throw new ProviderException(e);
-            }
-        }
-
-        synchronized void setTrust(Token token, X509Certificate cert) {
-            Bytes bytes = new Bytes(getDigest(cert, "SHA-1"));
-            TrustAttributes attr = getTrust(bytes);
-            if (attr == null) {
-                attr = new TrustAttributes(token, cert, bytes, CKT_NETSCAPE_TRUSTED_DELEGATOR);
-                trust.put(bytes, attr);
-            } else {
-                // does it already have the correct trust settings?
-                if (attr.isTrusted(TrustType.ALL) == false) {
-                    // XXX not yet implemented
-                    throw new ProviderException("Cannot change existing trust attributes");
-                }
-            }
-        }
-
-        TrustAttributes getTrust(Bytes hash) {
-            if (trust == null) {
-                // If provider is not set, create a temporary provider to
-                // retrieve the trust information. This can happen if we need
-                // to get the trust information for the trustanchor module
-                // because we need to look for user customized settings in the
-                // keystore module (which may not have a provider created yet).
-                // Creating a temporary provider and then dropping it on the
-                // floor immediately is flawed, but it's the best we can do
-                // for now.
-                synchronized (this) {
-                    SunPKCS11 p = provider;
-                    if (p == null) {
-                        p = newProvider();
-                    }
-                    try {
-                        trust = Secmod.getTrust(p);
-                    } catch (PKCS11Exception e) {
-                        throw new RuntimeException(e);
-                    }
-                }
-            }
-            return trust.get(hash);
-        }
-
-        public String toString() {
-            return
-            commonName + " (" + type + ", " + libraryName + ", slot " + slot + ")";
-        }
-
-    }
-
-    /**
-     * Constants representing NSS trust categories.
-     */
-    public static enum TrustType {
-        /** Trusted for all purposes */
-        ALL,
-        /** Trusted for SSL client authentication */
-        CLIENT_AUTH,
-        /** Trusted for SSL server authentication */
-        SERVER_AUTH,
-        /** Trusted for code signing */
-        CODE_SIGNING,
-        /** Trusted for email protection */
-        EMAIL_PROTECTION,
-    }
-
-    public static enum DbMode {
-        READ_WRITE("NSS_InitReadWrite"),
-        READ_ONLY ("NSS_Init"),
-        NO_DB     ("NSS_NoDB_Init");
-
-        final String functionName;
-        DbMode(String functionName) {
-            this.functionName = functionName;
-        }
-    }
-
-    /**
-     * A LoadStoreParameter for use with the NSS Softtoken or
-     * NSS TrustAnchor KeyStores.
-     * <p>
-     * It allows the set of trusted certificates that are returned by
-     * the KeyStore to be specified.
-     */
-    public static final class KeyStoreLoadParameter implements LoadStoreParameter {
-        final TrustType trustType;
-        final ProtectionParameter protection;
-        public KeyStoreLoadParameter(TrustType trustType, char[] password) {
-            this(trustType, new PasswordProtection(password));
-
-        }
-        public KeyStoreLoadParameter(TrustType trustType, ProtectionParameter prot) {
-            if (trustType == null) {
-                throw new NullPointerException("trustType must not be null");
-            }
-            this.trustType = trustType;
-            this.protection = prot;
-        }
-        public ProtectionParameter getProtectionParameter() {
-            return protection;
-        }
-        public TrustType getTrustType() {
-            return trustType;
-        }
-    }
-
-    static class TrustAttributes {
-        final long handle;
-        final long clientAuth, serverAuth, codeSigning, emailProtection;
-        final byte[] shaHash;
-        TrustAttributes(Token token, X509Certificate cert, Bytes bytes, long trustValue) {
-            Session session = null;
-            try {
-                session = token.getOpSession();
-                // XXX use KeyStore TrustType settings to determine which
-                // attributes to set
-                CK_ATTRIBUTE[] attrs = new CK_ATTRIBUTE[] {
-                    new CK_ATTRIBUTE(CKA_TOKEN, true),
-                    new CK_ATTRIBUTE(CKA_CLASS, CKO_NETSCAPE_TRUST),
-                    new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_SERVER_AUTH, trustValue),
-                    new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_CODE_SIGNING, trustValue),
-                    new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_EMAIL_PROTECTION, trustValue),
-                    new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_CLIENT_AUTH, trustValue),
-                    new CK_ATTRIBUTE(CKA_NETSCAPE_CERT_SHA1_HASH, bytes.b),
-                    new CK_ATTRIBUTE(CKA_NETSCAPE_CERT_MD5_HASH, getDigest(cert, "MD5")),
-                    new CK_ATTRIBUTE(CKA_ISSUER, cert.getIssuerX500Principal().getEncoded()),
-                    new CK_ATTRIBUTE(CKA_SERIAL_NUMBER, cert.getSerialNumber().toByteArray()),
-                    // XXX per PKCS#11 spec, the serial number should be in ASN.1
-                };
-                handle = token.p11.C_CreateObject(session.id(), attrs);
-                shaHash = bytes.b;
-                clientAuth = trustValue;
-                serverAuth = trustValue;
-                codeSigning = trustValue;
-                emailProtection = trustValue;
-            } catch (PKCS11Exception e) {
-                throw new ProviderException("Could not create trust object", e);
-            } finally {
-                token.releaseSession(session);
-            }
-        }
-        TrustAttributes(Token token, Session session, long handle)
-                        throws PKCS11Exception {
-            this.handle = handle;
-            CK_ATTRIBUTE[] attrs = new CK_ATTRIBUTE[] {
-                new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_SERVER_AUTH),
-                new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_CODE_SIGNING),
-                new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_EMAIL_PROTECTION),
-                new CK_ATTRIBUTE(CKA_NETSCAPE_CERT_SHA1_HASH),
-            };
-
-            token.p11.C_GetAttributeValue(session.id(), handle, attrs);
-            serverAuth = attrs[0].getLong();
-            codeSigning = attrs[1].getLong();
-            emailProtection = attrs[2].getLong();
-            shaHash = attrs[3].getByteArray();
-
-            attrs = new CK_ATTRIBUTE[] {
-                new CK_ATTRIBUTE(CKA_NETSCAPE_TRUST_CLIENT_AUTH),
-            };
-            long c;
-            try {
-                token.p11.C_GetAttributeValue(session.id(), handle, attrs);
-                c = attrs[0].getLong();
-            } catch (PKCS11Exception e) {
-                // trust anchor module does not support this attribute
-                c = serverAuth;
-            }
-            clientAuth = c;
-        }
-        Bytes getHash() {
-            return new Bytes(shaHash);
-        }
-        boolean isTrusted(TrustType type) {
-            switch (type) {
-            case CLIENT_AUTH:
-                return isTrusted(clientAuth);
-            case SERVER_AUTH:
-                return isTrusted(serverAuth);
-            case CODE_SIGNING:
-                return isTrusted(codeSigning);
-            case EMAIL_PROTECTION:
-                return isTrusted(emailProtection);
-            case ALL:
-                return isTrusted(TrustType.CLIENT_AUTH)
-                    && isTrusted(TrustType.SERVER_AUTH)
-                    && isTrusted(TrustType.CODE_SIGNING)
-                    && isTrusted(TrustType.EMAIL_PROTECTION);
-            default:
-                return false;
-            }
-        }
-
-        private boolean isTrusted(long l) {
-            // XXX CKT_TRUSTED?
-            return (l == CKT_NETSCAPE_TRUSTED_DELEGATOR);
-        }
-
-    }
-
-    private static class Bytes {
-        final byte[] b;
-        Bytes(byte[] b) {
-            this.b = b;
-        }
-        public int hashCode() {
-            return Arrays.hashCode(b);
-        }
-        public boolean equals(Object o) {
-            if (this == o) {
-                return true;
-            }
-            if (o instanceof Bytes == false) {
-                return false;
-            }
-            Bytes other = (Bytes)o;
-            return Arrays.equals(this.b, other.b);
-        }
-    }
-
-    private static Map<Bytes,TrustAttributes> getTrust(SunPKCS11 provider)
-            throws PKCS11Exception {
-        Map<Bytes,TrustAttributes> trustMap = new HashMap<Bytes,TrustAttributes>();
-        Token token = provider.getToken();
-        Session session = null;
-        boolean exceptionOccurred = true;
-        try {
-            session = token.getOpSession();
-            int MAX_NUM = 8192;
-            CK_ATTRIBUTE[] attrs = new CK_ATTRIBUTE[] {
-                new CK_ATTRIBUTE(CKA_CLASS, CKO_NETSCAPE_TRUST),
-            };
-            token.p11.C_FindObjectsInit(session.id(), attrs);
-            long[] handles = token.p11.C_FindObjects(session.id(), MAX_NUM);
-            token.p11.C_FindObjectsFinal(session.id());
-            if (DEBUG) System.out.println("handles: " + handles.length);
-
-            for (long handle : handles) {
-                try {
-                    TrustAttributes trust = new TrustAttributes(token, session, handle);
-                    trustMap.put(trust.getHash(), trust);
-                } catch (PKCS11Exception e) {
-                    // skip put on pkcs11 error
-                }
-            }
-            exceptionOccurred = false;
-        } finally {
-            if (exceptionOccurred) {
-                token.killSession(session);
-            } else {
-                token.releaseSession(session);
-            }
-        }
-        return trustMap;
-    }
-
-    private static native long nssGetLibraryHandle(String libraryName);
-
-    private static native long nssLoadLibrary(String name) throws IOException;
-
-    private static native boolean nssVersionCheck(long handle, String minVersion);
-
-    private static native boolean nssInitialize(String functionName, long handle, String configDir, boolean nssOptimizeSpace);
-
-    private static native Object nssGetModuleList(long handle, String libDir);
-
-}