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jdk/src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/SunPKCS11.java
Valerie Peng 080b3b83eb 8242151: Improve OID mapping and reuse among JDK security providers for aliases registration 
Use sun.security.util.KnownOIDs enum instead of hardcoding oid strings everywhere

Reviewed-by: weijun
2020-05-19 04:05:03 +00:00

1562 lines
59 KiB
Java
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/*
* Copyright (c) 2003, 2020, 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.interfaces.*;
import javax.crypto.interfaces.*;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;
import javax.security.auth.login.FailedLoginException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.ConfirmationCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.TextOutputCallback;
import sun.security.util.Debug;
import sun.security.util.ResourcesMgr;
import static sun.security.util.SecurityConstants.PROVIDER_VER;
import static sun.security.util.SecurityProviderConstants.getAliases;
import sun.security.pkcs11.Secmod.*;
import sun.security.pkcs11.wrapper.*;
import static sun.security.pkcs11.wrapper.PKCS11Constants.*;
/**
* PKCS#11 provider main class.
*
* @author Andreas Sterbenz
* @since 1.5
*/
public final class SunPKCS11 extends AuthProvider {
private static final long serialVersionUID = -1354835039035306505L;
static final Debug debug = Debug.getInstance("sunpkcs11");
// the PKCS11 object through which we make the native calls
final PKCS11 p11;
// configuration information
final Config config;
// id of the PKCS#11 slot we are using
final long slotID;
private CallbackHandler pHandler;
private final Object LOCK_HANDLER = new Object();
final boolean removable;
final Secmod.Module nssModule;
final boolean nssUseSecmodTrust;
private volatile Token token;
private TokenPoller poller;
Token getToken() {
return token;
}
public SunPKCS11() {
super("SunPKCS11", PROVIDER_VER,
"Unconfigured and unusable PKCS11 provider");
p11 = null;
config = null;
slotID = 0;
pHandler = null;
removable = false;
nssModule = null;
nssUseSecmodTrust = false;
token = null;
poller = null;
}
@Override
public Provider configure(String configArg) throws InvalidParameterException {
final String newConfigName = checkNull(configArg);
try {
return AccessController.doPrivileged(new PrivilegedExceptionAction<>() {
@Override
public SunPKCS11 run() throws Exception {
return new SunPKCS11(new Config(newConfigName));
}
});
} catch (PrivilegedActionException pae) {
InvalidParameterException ipe =
new InvalidParameterException("Error configuring SunPKCS11 provider");
throw (InvalidParameterException) ipe.initCause(pae.getException());
}
}
@Override
public boolean isConfigured() {
return (config != null);
}
private static <T> T checkNull(T obj) {
if (obj == null) {
throw new NullPointerException();
}
return obj;
}
// Used by Secmod
SunPKCS11(Config c) {
super("SunPKCS11-" + c.getName(), PROVIDER_VER, c.getDescription());
this.config = c;
if (debug != null) {
System.out.println("SunPKCS11 loading " + config.getFileName());
}
String library = config.getLibrary();
String functionList = config.getFunctionList();
long slotID = config.getSlotID();
int slotListIndex = config.getSlotListIndex();
boolean useSecmod = config.getNssUseSecmod();
boolean nssUseSecmodTrust = config.getNssUseSecmodTrust();
Secmod.Module nssModule = null;
//
// Initialization via Secmod. The way this works is as follows:
// SunPKCS11 is either in normal mode or in NSS Secmod mode.
// Secmod is activated by specifying one or more of the following
// options in the config file:
// nssUseSecmod, nssSecmodDirectory, nssLibrary, nssModule
//
// XXX add more explanation here
//
// If we are in Secmod mode and configured to use either the
// nssKeyStore or the nssTrustAnchors module, we automatically
// switch to using the NSS trust attributes for trusted certs
// (KeyStore).
//
if (useSecmod) {
// note: Config ensures library/slot/slotListIndex not specified
// in secmod mode.
Secmod secmod = Secmod.getInstance();
DbMode nssDbMode = config.getNssDbMode();
try {
String nssLibraryDirectory = config.getNssLibraryDirectory();
String nssSecmodDirectory = config.getNssSecmodDirectory();
boolean nssOptimizeSpace = config.getNssOptimizeSpace();
if (secmod.isInitialized()) {
if (nssSecmodDirectory != null) {
String s = secmod.getConfigDir();
if ((s != null) &&
(s.equals(nssSecmodDirectory) == false)) {
throw new ProviderException("Secmod directory "
+ nssSecmodDirectory
+ " invalid, NSS already initialized with "
+ s);
}
}
if (nssLibraryDirectory != null) {
String s = secmod.getLibDir();
if ((s != null) &&
(s.equals(nssLibraryDirectory) == false)) {
throw new ProviderException("NSS library directory "
+ nssLibraryDirectory
+ " invalid, NSS already initialized with "
+ s);
}
}
} else {
if (nssDbMode != DbMode.NO_DB) {
if (nssSecmodDirectory == null) {
throw new ProviderException(
"Secmod not initialized and "
+ "nssSecmodDirectory not specified");
}
} else {
if (nssSecmodDirectory != null) {
throw new ProviderException(
"nssSecmodDirectory must not be "
+ "specified in noDb mode");
}
}
secmod.initialize(nssDbMode, nssSecmodDirectory,
nssLibraryDirectory, nssOptimizeSpace);
}
} catch (IOException e) {
// XXX which exception to throw
throw new ProviderException("Could not initialize NSS", e);
}
List<Secmod.Module> modules = secmod.getModules();
if (config.getShowInfo()) {
System.out.println("NSS modules: " + modules);
}
String moduleName = config.getNssModule();
if (moduleName == null) {
nssModule = secmod.getModule(ModuleType.FIPS);
if (nssModule != null) {
moduleName = "fips";
} else {
moduleName = (nssDbMode == DbMode.NO_DB) ?
"crypto" : "keystore";
}
}
if (moduleName.equals("fips")) {
nssModule = secmod.getModule(ModuleType.FIPS);
nssUseSecmodTrust = true;
functionList = "FC_GetFunctionList";
} else if (moduleName.equals("keystore")) {
nssModule = secmod.getModule(ModuleType.KEYSTORE);
nssUseSecmodTrust = true;
} else if (moduleName.equals("crypto")) {
nssModule = secmod.getModule(ModuleType.CRYPTO);
} else if (moduleName.equals("trustanchors")) {
// XXX should the option be called trustanchor or trustanchors??
nssModule = secmod.getModule(ModuleType.TRUSTANCHOR);
nssUseSecmodTrust = true;
} else if (moduleName.startsWith("external-")) {
int moduleIndex;
try {
moduleIndex = Integer.parseInt
(moduleName.substring("external-".length()));
} catch (NumberFormatException e) {
moduleIndex = -1;
}
if (moduleIndex < 1) {
throw new ProviderException
("Invalid external module: " + moduleName);
}
int k = 0;
for (Secmod.Module module : modules) {
if (module.getType() == ModuleType.EXTERNAL) {
if (++k == moduleIndex) {
nssModule = module;
break;
}
}
}
if (nssModule == null) {
throw new ProviderException("Invalid module " + moduleName
+ ": only " + k + " external NSS modules available");
}
} else {
throw new ProviderException(
"Unknown NSS module: " + moduleName);
}
if (nssModule == null) {
throw new ProviderException(
"NSS module not available: " + moduleName);
}
if (nssModule.hasInitializedProvider()) {
throw new ProviderException("Secmod module already configured");
}
library = nssModule.libraryName;
slotListIndex = nssModule.slot;
}
this.nssUseSecmodTrust = nssUseSecmodTrust;
this.nssModule = nssModule;
File libraryFile = new File(library);
// if the filename is a simple filename without path
// (e.g. "libpkcs11.so"), it may refer to a library somewhere on the
// OS library search path. Omit the test for file existance as that
// only looks in the current directory.
if (libraryFile.getName().equals(library) == false) {
if (new File(library).isFile() == false) {
String msg = "Library " + library + " does not exist";
if (config.getHandleStartupErrors() == Config.ERR_HALT) {
throw new ProviderException(msg);
} else {
throw new UnsupportedOperationException(msg);
}
}
}
try {
if (debug != null) {
debug.println("Initializing PKCS#11 library " + library);
}
CK_C_INITIALIZE_ARGS initArgs = new CK_C_INITIALIZE_ARGS();
String nssArgs = config.getNssArgs();
if (nssArgs != null) {
initArgs.pReserved = nssArgs;
}
// request multithreaded access first
initArgs.flags = CKF_OS_LOCKING_OK;
PKCS11 tmpPKCS11;
try {
tmpPKCS11 = PKCS11.getInstance(
library, functionList, initArgs,
config.getOmitInitialize());
} catch (PKCS11Exception e) {
if (debug != null) {
debug.println("Multi-threaded initialization failed: " + e);
}
if (config.getAllowSingleThreadedModules() == false) {
throw e;
}
// fall back to single threaded access
if (nssArgs == null) {
// if possible, use null initArgs for better compatibility
initArgs = null;
} else {
initArgs.flags = 0;
}
tmpPKCS11 = PKCS11.getInstance(library,
functionList, initArgs, config.getOmitInitialize());
}
p11 = tmpPKCS11;
CK_INFO p11Info = p11.C_GetInfo();
if (p11Info.cryptokiVersion.major < 2) {
throw new ProviderException("Only PKCS#11 v2.0 and later "
+ "supported, library version is v" + p11Info.cryptokiVersion);
}
boolean showInfo = config.getShowInfo();
if (showInfo) {
System.out.println("Information for provider " + getName());
System.out.println("Library info:");
System.out.println(p11Info);
}
if ((slotID < 0) || showInfo) {
long[] slots = p11.C_GetSlotList(false);
if (showInfo) {
System.out.println("All slots: " + toString(slots));
slots = p11.C_GetSlotList(true);
System.out.println("Slots with tokens: " + toString(slots));
}
if (slotID < 0) {
if ((slotListIndex < 0)
|| (slotListIndex >= slots.length)) {
throw new ProviderException("slotListIndex is "
+ slotListIndex
+ " but token only has " + slots.length + " slots");
}
slotID = slots[slotListIndex];
}
}
this.slotID = slotID;
CK_SLOT_INFO slotInfo = p11.C_GetSlotInfo(slotID);
removable = (slotInfo.flags & CKF_REMOVABLE_DEVICE) != 0;
initToken(slotInfo);
if (nssModule != null) {
nssModule.setProvider(this);
}
} catch (Exception e) {
if (config.getHandleStartupErrors() == Config.ERR_IGNORE_ALL) {
throw new UnsupportedOperationException
("Initialization failed", e);
} else {
throw new ProviderException
("Initialization failed", e);
}
}
}
private static String toString(long[] longs) {
if (longs.length == 0) {
return "(none)";
}
StringBuilder sb = new StringBuilder();
sb.append(longs[0]);
for (int i = 1; i < longs.length; i++) {
sb.append(", ");
sb.append(longs[i]);
}
return sb.toString();
}
public boolean equals(Object obj) {
return this == obj;
}
public int hashCode() {
return System.identityHashCode(this);
}
private static final class Descriptor {
final String type;
final String algorithm;
final String className;
final List<String> aliases;
final int[] mechanisms;
private Descriptor(String type, String algorithm, String className,
List<String> aliases, int[] mechanisms) {
this.type = type;
this.algorithm = algorithm;
this.className = className;
this.aliases = aliases;
this.mechanisms = mechanisms;
}
private P11Service service(Token token, int mechanism) {
return new P11Service
(token, type, algorithm, className, aliases, mechanism);
}
public String toString() {
return type + "." + algorithm;
}
}
// Map from mechanism to List of Descriptors that should be
// registered if the mechanism is supported
private final static Map<Integer,List<Descriptor>> descriptors =
new HashMap<Integer,List<Descriptor>>();
private static int[] m(long m1) {
return new int[] {(int)m1};
}
private static int[] m(long m1, long m2) {
return new int[] {(int)m1, (int)m2};
}
private static int[] m(long m1, long m2, long m3) {
return new int[] {(int)m1, (int)m2, (int)m3};
}
private static int[] m(long m1, long m2, long m3, long m4) {
return new int[] {(int)m1, (int)m2, (int)m3, (int)m4};
}
private static void d(String type, String algorithm, String className,
int[] m) {
register(new Descriptor(type, algorithm, className, null, m));
}
private static void d(String type, String algorithm, String className,
List<String> aliases, int[] m) {
register(new Descriptor(type, algorithm, className, aliases, m));
}
private static void dA(String type, String algorithm, String className,
int[] m) {
register(new Descriptor(type, algorithm, className,
getAliases(algorithm), m));
}
private static void register(Descriptor d) {
for (int i = 0; i < d.mechanisms.length; i++) {
int m = d.mechanisms[i];
Integer key = Integer.valueOf(m);
List<Descriptor> list = descriptors.get(key);
if (list == null) {
list = new ArrayList<Descriptor>();
descriptors.put(key, list);
}
list.add(d);
}
}
private final static String MD = "MessageDigest";
private final static String SIG = "Signature";
private final static String KPG = "KeyPairGenerator";
private final static String KG = "KeyGenerator";
private final static String AGP = "AlgorithmParameters";
private final static String KF = "KeyFactory";
private final static String SKF = "SecretKeyFactory";
private final static String CIP = "Cipher";
private final static String MAC = "Mac";
private final static String KA = "KeyAgreement";
private final static String KS = "KeyStore";
private final static String SR = "SecureRandom";
static {
// names of all the implementation classes
// use local variables, only used here
String P11Digest = "sun.security.pkcs11.P11Digest";
String P11MAC = "sun.security.pkcs11.P11MAC";
String P11KeyPairGenerator = "sun.security.pkcs11.P11KeyPairGenerator";
String P11KeyGenerator = "sun.security.pkcs11.P11KeyGenerator";
String P11RSAKeyFactory = "sun.security.pkcs11.P11RSAKeyFactory";
String P11DSAKeyFactory = "sun.security.pkcs11.P11DSAKeyFactory";
String P11DHKeyFactory = "sun.security.pkcs11.P11DHKeyFactory";
String P11KeyAgreement = "sun.security.pkcs11.P11KeyAgreement";
String P11SecretKeyFactory = "sun.security.pkcs11.P11SecretKeyFactory";
String P11Cipher = "sun.security.pkcs11.P11Cipher";
String P11RSACipher = "sun.security.pkcs11.P11RSACipher";
String P11AEADCipher = "sun.security.pkcs11.P11AEADCipher";
String P11Signature = "sun.security.pkcs11.P11Signature";
String P11PSSSignature = "sun.security.pkcs11.P11PSSSignature";
// XXX register all aliases
d(MD, "MD2", P11Digest,
m(CKM_MD2));
d(MD, "MD5", P11Digest,
m(CKM_MD5));
dA(MD, "SHA-1", P11Digest,
m(CKM_SHA_1));
dA(MD, "SHA-224", P11Digest,
m(CKM_SHA224));
dA(MD, "SHA-256", P11Digest,
m(CKM_SHA256));
dA(MD, "SHA-384", P11Digest,
m(CKM_SHA384));
dA(MD, "SHA-512", P11Digest,
m(CKM_SHA512));
dA(MD, "SHA-512/224", P11Digest,
m(CKM_SHA512_224));
dA(MD, "SHA-512/256", P11Digest,
m(CKM_SHA512_256));
d(MAC, "HmacMD5", P11MAC,
m(CKM_MD5_HMAC));
dA(MAC, "HmacSHA1", P11MAC,
m(CKM_SHA_1_HMAC));
dA(MAC, "HmacSHA224", P11MAC,
m(CKM_SHA224_HMAC));
dA(MAC, "HmacSHA256", P11MAC,
m(CKM_SHA256_HMAC));
dA(MAC, "HmacSHA384", P11MAC,
m(CKM_SHA384_HMAC));
dA(MAC, "HmacSHA512", P11MAC,
m(CKM_SHA512_HMAC));
dA(MAC, "HmacSHA512/224", P11MAC,
m(CKM_SHA512_224_HMAC));
dA(MAC, "HmacSHA512/256", P11MAC,
m(CKM_SHA512_256_HMAC));
d(MAC, "SslMacMD5", P11MAC,
m(CKM_SSL3_MD5_MAC));
d(MAC, "SslMacSHA1", P11MAC,
m(CKM_SSL3_SHA1_MAC));
d(KPG, "RSA", P11KeyPairGenerator,
getAliases("PKCS1"),
m(CKM_RSA_PKCS_KEY_PAIR_GEN));
List<String> dhAlias = List.of("DiffieHellman");
dA(KPG, "DSA", P11KeyPairGenerator,
m(CKM_DSA_KEY_PAIR_GEN));
d(KPG, "DH", P11KeyPairGenerator,
dhAlias,
m(CKM_DH_PKCS_KEY_PAIR_GEN));
d(KPG, "EC", P11KeyPairGenerator,
m(CKM_EC_KEY_PAIR_GEN));
dA(KG, "ARCFOUR", P11KeyGenerator,
m(CKM_RC4_KEY_GEN));
d(KG, "DES", P11KeyGenerator,
m(CKM_DES_KEY_GEN));
d(KG, "DESede", P11KeyGenerator,
m(CKM_DES3_KEY_GEN, CKM_DES2_KEY_GEN));
d(KG, "AES", P11KeyGenerator,
m(CKM_AES_KEY_GEN));
d(KG, "Blowfish", P11KeyGenerator,
m(CKM_BLOWFISH_KEY_GEN));
// register (Secret)KeyFactories if there are any mechanisms
// for a particular algorithm that we support
d(KF, "RSA", P11RSAKeyFactory,
getAliases("PKCS1"),
m(CKM_RSA_PKCS_KEY_PAIR_GEN, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(KF, "DSA", P11DSAKeyFactory,
m(CKM_DSA_KEY_PAIR_GEN, CKM_DSA, CKM_DSA_SHA1));
d(KF, "DH", P11DHKeyFactory,
dhAlias,
m(CKM_DH_PKCS_KEY_PAIR_GEN, CKM_DH_PKCS_DERIVE));
d(KF, "EC", P11DHKeyFactory,
m(CKM_EC_KEY_PAIR_GEN, CKM_ECDH1_DERIVE,
CKM_ECDSA, CKM_ECDSA_SHA1));
// AlgorithmParameters for EC.
// Only needed until we have an EC implementation in the SUN provider.
dA(AGP, "EC", "sun.security.util.ECParameters",
m(CKM_EC_KEY_PAIR_GEN, CKM_ECDH1_DERIVE,
CKM_ECDSA, CKM_ECDSA_SHA1));
d(AGP, "GCM", "sun.security.util.GCMParameters",
m(CKM_AES_GCM));
d(KA, "DH", P11KeyAgreement,
dhAlias,
m(CKM_DH_PKCS_DERIVE));
d(KA, "ECDH", "sun.security.pkcs11.P11ECDHKeyAgreement",
m(CKM_ECDH1_DERIVE));
dA(SKF, "ARCFOUR", P11SecretKeyFactory,
m(CKM_RC4));
d(SKF, "DES", P11SecretKeyFactory,
m(CKM_DES_CBC));
d(SKF, "DESede", P11SecretKeyFactory,
m(CKM_DES3_CBC));
dA(SKF, "AES", P11SecretKeyFactory,
m(CKM_AES_CBC));
d(SKF, "Blowfish", P11SecretKeyFactory,
m(CKM_BLOWFISH_CBC));
// XXX attributes for Ciphers (supported modes, padding)
dA(CIP, "ARCFOUR", P11Cipher,
m(CKM_RC4));
d(CIP, "DES/CBC/NoPadding", P11Cipher,
m(CKM_DES_CBC));
d(CIP, "DES/CBC/PKCS5Padding", P11Cipher,
m(CKM_DES_CBC_PAD, CKM_DES_CBC));
d(CIP, "DES/ECB/NoPadding", P11Cipher,
m(CKM_DES_ECB));
d(CIP, "DES/ECB/PKCS5Padding", P11Cipher,
List.of("DES"),
m(CKM_DES_ECB));
d(CIP, "DESede/CBC/NoPadding", P11Cipher,
m(CKM_DES3_CBC));
d(CIP, "DESede/CBC/PKCS5Padding", P11Cipher,
m(CKM_DES3_CBC_PAD, CKM_DES3_CBC));
d(CIP, "DESede/ECB/NoPadding", P11Cipher,
m(CKM_DES3_ECB));
d(CIP, "DESede/ECB/PKCS5Padding", P11Cipher,
List.of("DESede"),
m(CKM_DES3_ECB));
d(CIP, "AES/CBC/NoPadding", P11Cipher,
m(CKM_AES_CBC));
dA(CIP, "AES_128/CBC/NoPadding", P11Cipher,
m(CKM_AES_CBC));
dA(CIP, "AES_192/CBC/NoPadding", P11Cipher,
m(CKM_AES_CBC));
dA(CIP, "AES_256/CBC/NoPadding", P11Cipher,
m(CKM_AES_CBC));
d(CIP, "AES/CBC/PKCS5Padding", P11Cipher,
m(CKM_AES_CBC_PAD, CKM_AES_CBC));
d(CIP, "AES/ECB/NoPadding", P11Cipher,
m(CKM_AES_ECB));
dA(CIP, "AES_128/ECB/NoPadding", P11Cipher,
m(CKM_AES_ECB));
dA(CIP, "AES_192/ECB/NoPadding", P11Cipher,
m(CKM_AES_ECB));
dA(CIP, "AES_256/ECB/NoPadding", P11Cipher,
m(CKM_AES_ECB));
d(CIP, "AES/ECB/PKCS5Padding", P11Cipher,
List.of("AES"),
m(CKM_AES_ECB));
d(CIP, "AES/CTR/NoPadding", P11Cipher,
m(CKM_AES_CTR));
d(CIP, "AES/GCM/NoPadding", P11AEADCipher,
m(CKM_AES_GCM));
dA(CIP, "AES_128/GCM/NoPadding", P11AEADCipher,
m(CKM_AES_GCM));
dA(CIP, "AES_192/GCM/NoPadding", P11AEADCipher,
m(CKM_AES_GCM));
dA(CIP, "AES_256/GCM/NoPadding", P11AEADCipher,
m(CKM_AES_GCM));
d(CIP, "Blowfish/CBC/NoPadding", P11Cipher,
m(CKM_BLOWFISH_CBC));
d(CIP, "Blowfish/CBC/PKCS5Padding", P11Cipher,
m(CKM_BLOWFISH_CBC));
d(CIP, "RSA/ECB/PKCS1Padding", P11RSACipher,
List.of("RSA"),
m(CKM_RSA_PKCS));
d(CIP, "RSA/ECB/NoPadding", P11RSACipher,
m(CKM_RSA_X_509));
d(SIG, "RawDSA", P11Signature,
List.of("NONEwithDSA"),
m(CKM_DSA));
dA(SIG, "SHA1withDSA", P11Signature,
m(CKM_DSA_SHA1, CKM_DSA));
dA(SIG, "SHA224withDSA", P11Signature,
m(CKM_DSA_SHA224));
dA(SIG, "SHA256withDSA", P11Signature,
m(CKM_DSA_SHA256));
dA(SIG, "SHA384withDSA", P11Signature,
m(CKM_DSA_SHA384));
dA(SIG, "SHA512withDSA", P11Signature,
m(CKM_DSA_SHA512));
d(SIG, "RawDSAinP1363Format", P11Signature,
List.of("NONEwithDSAinP1363Format"),
m(CKM_DSA));
d(SIG, "DSAinP1363Format", P11Signature,
List.of("SHA1withDSAinP1363Format"),
m(CKM_DSA_SHA1, CKM_DSA));
d(SIG, "NONEwithECDSA", P11Signature,
m(CKM_ECDSA));
dA(SIG, "SHA1withECDSA", P11Signature,
m(CKM_ECDSA_SHA1, CKM_ECDSA));
dA(SIG, "SHA224withECDSA", P11Signature,
m(CKM_ECDSA));
dA(SIG, "SHA256withECDSA", P11Signature,
m(CKM_ECDSA));
dA(SIG, "SHA384withECDSA", P11Signature,
m(CKM_ECDSA));
dA(SIG, "SHA512withECDSA", P11Signature,
m(CKM_ECDSA));
d(SIG, "NONEwithECDSAinP1363Format", P11Signature,
m(CKM_ECDSA));
d(SIG, "SHA1withECDSAinP1363Format", P11Signature,
m(CKM_ECDSA_SHA1, CKM_ECDSA));
d(SIG, "SHA224withECDSAinP1363Format", P11Signature,
m(CKM_ECDSA));
d(SIG, "SHA256withECDSAinP1363Format", P11Signature,
m(CKM_ECDSA));
d(SIG, "SHA384withECDSAinP1363Format", P11Signature,
m(CKM_ECDSA));
d(SIG, "SHA512withECDSAinP1363Format", P11Signature,
m(CKM_ECDSA));
dA(SIG, "MD2withRSA", P11Signature,
m(CKM_MD2_RSA_PKCS, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(SIG, "MD5withRSA", P11Signature,
m(CKM_MD5_RSA_PKCS, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(SIG, "SHA1withRSA", P11Signature,
m(CKM_SHA1_RSA_PKCS, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(SIG, "SHA224withRSA", P11Signature,
m(CKM_SHA224_RSA_PKCS, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(SIG, "SHA256withRSA", P11Signature,
m(CKM_SHA256_RSA_PKCS, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(SIG, "SHA384withRSA", P11Signature,
m(CKM_SHA384_RSA_PKCS, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(SIG, "SHA512withRSA", P11Signature,
m(CKM_SHA512_RSA_PKCS, CKM_RSA_PKCS, CKM_RSA_X_509));
dA(SIG, "RSASSA-PSS", P11PSSSignature,
m(CKM_RSA_PKCS_PSS));
d(SIG, "SHA1withRSASSA-PSS", P11PSSSignature,
m(CKM_SHA1_RSA_PKCS_PSS));
d(SIG, "SHA224withRSASSA-PSS", P11PSSSignature,
m(CKM_SHA224_RSA_PKCS_PSS));
d(SIG, "SHA256withRSASSA-PSS", P11PSSSignature,
m(CKM_SHA256_RSA_PKCS_PSS));
d(SIG, "SHA384withRSASSA-PSS", P11PSSSignature,
m(CKM_SHA384_RSA_PKCS_PSS));
d(SIG, "SHA512withRSASSA-PSS", P11PSSSignature,
m(CKM_SHA512_RSA_PKCS_PSS));
d(KG, "SunTlsRsaPremasterSecret",
"sun.security.pkcs11.P11TlsRsaPremasterSecretGenerator",
List.of("SunTls12RsaPremasterSecret"),
m(CKM_SSL3_PRE_MASTER_KEY_GEN, CKM_TLS_PRE_MASTER_KEY_GEN));
d(KG, "SunTlsMasterSecret",
"sun.security.pkcs11.P11TlsMasterSecretGenerator",
m(CKM_SSL3_MASTER_KEY_DERIVE, CKM_TLS_MASTER_KEY_DERIVE,
CKM_SSL3_MASTER_KEY_DERIVE_DH,
CKM_TLS_MASTER_KEY_DERIVE_DH));
d(KG, "SunTls12MasterSecret",
"sun.security.pkcs11.P11TlsMasterSecretGenerator",
m(CKM_TLS12_MASTER_KEY_DERIVE, CKM_TLS12_MASTER_KEY_DERIVE_DH));
d(KG, "SunTlsKeyMaterial",
"sun.security.pkcs11.P11TlsKeyMaterialGenerator",
m(CKM_SSL3_KEY_AND_MAC_DERIVE, CKM_TLS_KEY_AND_MAC_DERIVE));
d(KG, "SunTls12KeyMaterial",
"sun.security.pkcs11.P11TlsKeyMaterialGenerator",
m(CKM_TLS12_KEY_AND_MAC_DERIVE));
d(KG, "SunTlsPrf", "sun.security.pkcs11.P11TlsPrfGenerator",
m(CKM_TLS_PRF, CKM_NSS_TLS_PRF_GENERAL));
d(KG, "SunTls12Prf", "sun.security.pkcs11.P11TlsPrfGenerator",
m(CKM_TLS_MAC));
}
// background thread that periodically checks for token insertion
// if no token is present. We need to do that in a separate thread because
// the insertion check may block for quite a long time on some tokens.
private static class TokenPoller implements Runnable {
private final SunPKCS11 provider;
private volatile boolean enabled;
private TokenPoller(SunPKCS11 provider) {
this.provider = provider;
enabled = true;
}
public void run() {
int interval = provider.config.getInsertionCheckInterval();
while (enabled) {
try {
Thread.sleep(interval);
} catch (InterruptedException e) {
break;
}
if (enabled == false) {
break;
}
try {
provider.initToken(null);
} catch (PKCS11Exception e) {
// ignore
}
}
}
void disable() {
enabled = false;
}
}
// create the poller thread, if not already active
private void createPoller() {
if (poller != null) {
return;
}
final TokenPoller poller = new TokenPoller(this);
Thread t = new Thread(null, poller, "Poller " + getName(), 0, false);
t.setContextClassLoader(null);
t.setDaemon(true);
t.setPriority(Thread.MIN_PRIORITY);
t.start();
this.poller = poller;
}
// destroy the poller thread, if active
private void destroyPoller() {
if (poller != null) {
poller.disable();
poller = null;
}
}
private boolean hasValidToken() {
/* Commented out to work with Solaris softtoken impl which
returns 0-value flags, e.g. both REMOVABLE_DEVICE and
TOKEN_PRESENT are false, when it can't access the token.
if (removable == false) {
return true;
}
*/
Token token = this.token;
return (token != null) && token.isValid();
}
// destroy the token. Called if we detect that it has been removed
synchronized void uninitToken(Token token) {
if (this.token != token) {
// mismatch, our token must already be destroyed
return;
}
destroyPoller();
this.token = null;
// unregister all algorithms
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
clear();
return null;
}
});
createPoller();
}
private static boolean isLegacy(CK_MECHANISM_INFO mechInfo)
throws PKCS11Exception {
// assume full support if no mech info available
// For vendor-specific mechanisms, often no mech info is provided
boolean partialSupport = false;
if (mechInfo != null) {
if ((mechInfo.flags & CKF_DECRYPT) != 0) {
// non-legacy cipher mechs should support encryption
partialSupport |= ((mechInfo.flags & CKF_ENCRYPT) == 0);
}
if ((mechInfo.flags & CKF_VERIFY) != 0) {
// non-legacy signature mechs should support signing
partialSupport |= ((mechInfo.flags & CKF_SIGN) == 0);
}
}
return partialSupport;
}
// test if a token is present and initialize this provider for it if so.
// does nothing if no token is found
// called from constructor and by poller
private void initToken(CK_SLOT_INFO slotInfo) throws PKCS11Exception {
if (slotInfo == null) {
slotInfo = p11.C_GetSlotInfo(slotID);
}
if (removable && (slotInfo.flags & CKF_TOKEN_PRESENT) == 0) {
createPoller();
return;
}
destroyPoller();
boolean showInfo = config.getShowInfo();
if (showInfo) {
System.out.println("Slot info for slot " + slotID + ":");
System.out.println(slotInfo);
}
final Token token = new Token(this);
if (showInfo) {
System.out.println
("Token info for token in slot " + slotID + ":");
System.out.println(token.tokenInfo);
}
long[] supportedMechanisms = p11.C_GetMechanismList(slotID);
// Create a map from the various Descriptors to the "most
// preferred" mechanism that was defined during the
// static initialization. For example, DES/CBC/PKCS5Padding
// could be mapped to CKM_DES_CBC_PAD or CKM_DES_CBC. Prefer
// the earliest entry. When asked for "DES/CBC/PKCS5Padding", we
// return a CKM_DES_CBC_PAD.
final Map<Descriptor,Integer> supportedAlgs =
new HashMap<Descriptor,Integer>();
for (int i = 0; i < supportedMechanisms.length; i++) {
long longMech = supportedMechanisms[i];
CK_MECHANISM_INFO mechInfo = token.getMechanismInfo(longMech);
if (showInfo) {
System.out.println("Mechanism " +
Functions.getMechanismName(longMech) + ":");
System.out.println(mechInfo == null?
(Constants.INDENT + "info n/a") :
mechInfo);
}
if (!config.isEnabled(longMech)) {
if (showInfo) {
System.out.println("DISABLED in configuration");
}
continue;
}
if (isLegacy(mechInfo)) {
if (showInfo) {
System.out.println("DISABLED due to legacy");
}
continue;
}
// we do not know of mechs with the upper 32 bits set
if (longMech >>> 32 != 0) {
if (showInfo) {
System.out.println("DISABLED due to unknown mech value");
}
continue;
}
int mech = (int)longMech;
Integer integerMech = Integer.valueOf(mech);
List<Descriptor> ds = descriptors.get(integerMech);
if (ds == null) {
continue;
}
for (Descriptor d : ds) {
Integer oldMech = supportedAlgs.get(d);
if (oldMech == null) {
supportedAlgs.put(d, integerMech);
continue;
}
// See if there is something "more preferred"
// than what we currently have in the supportedAlgs
// map.
int intOldMech = oldMech.intValue();
for (int j = 0; j < d.mechanisms.length; j++) {
int nextMech = d.mechanisms[j];
if (mech == nextMech) {
supportedAlgs.put(d, integerMech);
break;
} else if (intOldMech == nextMech) {
break;
}
}
}
}
// register algorithms in provider
AccessController.doPrivileged(new PrivilegedAction<Object>() {
public Object run() {
for (Map.Entry<Descriptor,Integer> entry
: supportedAlgs.entrySet()) {
Descriptor d = entry.getKey();
int mechanism = entry.getValue().intValue();
Service s = d.service(token, mechanism);
putService(s);
}
if (((token.tokenInfo.flags & CKF_RNG) != 0)
&& config.isEnabled(PCKM_SECURERANDOM)
&& !token.sessionManager.lowMaxSessions()) {
// do not register SecureRandom if the token does
// not support many sessions. if we did, we might
// run out of sessions in the middle of a
// nextBytes() call where we cannot fail over.
putService(new P11Service(token, SR, "PKCS11",
"sun.security.pkcs11.P11SecureRandom", null,
PCKM_SECURERANDOM));
}
if (config.isEnabled(PCKM_KEYSTORE)) {
putService(new P11Service(token, KS, "PKCS11",
"sun.security.pkcs11.P11KeyStore",
List.of("PKCS11-" + config.getName()),
PCKM_KEYSTORE));
}
return null;
}
});
this.token = token;
}
private static final class P11Service extends Service {
private final Token token;
private final long mechanism;
P11Service(Token token, String type, String algorithm,
String className, List<String> al, long mechanism) {
super(token.provider, type, algorithm, className, al,
type.equals(SR) ? Map.of("ThreadSafe", "true") : null);
this.token = token;
this.mechanism = mechanism & 0xFFFFFFFFL;
}
public Object newInstance(Object param)
throws NoSuchAlgorithmException {
if (token.isValid() == false) {
throw new NoSuchAlgorithmException("Token has been removed");
}
try {
return newInstance0(param);
} catch (PKCS11Exception e) {
throw new NoSuchAlgorithmException(e);
}
}
public Object newInstance0(Object param) throws
PKCS11Exception, NoSuchAlgorithmException {
String algorithm = getAlgorithm();
String type = getType();
if (type == MD) {
return new P11Digest(token, algorithm, mechanism);
} else if (type == CIP) {
if (algorithm.startsWith("RSA")) {
return new P11RSACipher(token, algorithm, mechanism);
} else if (algorithm.endsWith("GCM/NoPadding")) {
return new P11AEADCipher(token, algorithm, mechanism);
} else {
return new P11Cipher(token, algorithm, mechanism);
}
} else if (type == SIG) {
if (algorithm.indexOf("RSASSA-PSS") != -1) {
return new P11PSSSignature(token, algorithm, mechanism);
} else {
return new P11Signature(token, algorithm, mechanism);
}
} else if (type == MAC) {
return new P11Mac(token, algorithm, mechanism);
} else if (type == KPG) {
return new P11KeyPairGenerator(token, algorithm, mechanism);
} else if (type == KA) {
if (algorithm.equals("ECDH")) {
return new P11ECDHKeyAgreement(token, algorithm, mechanism);
} else {
return new P11KeyAgreement(token, algorithm, mechanism);
}
} else if (type == KF) {
return token.getKeyFactory(algorithm);
} else if (type == SKF) {
return new P11SecretKeyFactory(token, algorithm);
} else if (type == KG) {
// reference equality
if (algorithm == "SunTlsRsaPremasterSecret") {
return new P11TlsRsaPremasterSecretGenerator(
token, algorithm, mechanism);
} else if (algorithm == "SunTlsMasterSecret"
|| algorithm == "SunTls12MasterSecret") {
return new P11TlsMasterSecretGenerator(
token, algorithm, mechanism);
} else if (algorithm == "SunTlsKeyMaterial"
|| algorithm == "SunTls12KeyMaterial") {
return new P11TlsKeyMaterialGenerator(
token, algorithm, mechanism);
} else if (algorithm == "SunTlsPrf"
|| algorithm == "SunTls12Prf") {
return new P11TlsPrfGenerator(token, algorithm, mechanism);
} else {
return new P11KeyGenerator(token, algorithm, mechanism);
}
} else if (type == SR) {
return token.getRandom();
} else if (type == KS) {
return token.getKeyStore();
} else if (type == AGP) {
if (algorithm == "EC") {
return new sun.security.util.ECParameters();
} else if (algorithm == "GCM") {
return new sun.security.util.GCMParameters();
} else {
throw new NoSuchAlgorithmException("Unsupported algorithm: "
+ algorithm);
}
} else {
throw new NoSuchAlgorithmException("Unknown type: " + type);
}
}
public boolean supportsParameter(Object param) {
if ((param == null) || (token.isValid() == false)) {
return false;
}
if (param instanceof Key == false) {
throw new InvalidParameterException("Parameter must be a Key");
}
String algorithm = getAlgorithm();
String type = getType();
Key key = (Key)param;
String keyAlgorithm = key.getAlgorithm();
// RSA signatures and cipher
if (((type == CIP) && algorithm.startsWith("RSA"))
|| (type == SIG) && (algorithm.indexOf("RSA") != -1)) {
if (keyAlgorithm.equals("RSA") == false) {
return false;
}
return isLocalKey(key)
|| (key instanceof RSAPrivateKey)
|| (key instanceof RSAPublicKey);
}
// EC
if (((type == KA) && algorithm.equals("ECDH"))
|| ((type == SIG) && algorithm.contains("ECDSA"))) {
if (keyAlgorithm.equals("EC") == false) {
return false;
}
return isLocalKey(key)
|| (key instanceof ECPrivateKey)
|| (key instanceof ECPublicKey);
}
// DSA signatures
if ((type == SIG) && algorithm.contains("DSA") &&
!algorithm.contains("ECDSA")) {
if (keyAlgorithm.equals("DSA") == false) {
return false;
}
return isLocalKey(key)
|| (key instanceof DSAPrivateKey)
|| (key instanceof DSAPublicKey);
}
// MACs and symmetric ciphers
if ((type == CIP) || (type == MAC)) {
// do not check algorithm name, mismatch is unlikely anyway
return isLocalKey(key) || "RAW".equals(key.getFormat());
}
// DH key agreement
if (type == KA) {
if (keyAlgorithm.equals("DH") == false) {
return false;
}
return isLocalKey(key)
|| (key instanceof DHPrivateKey)
|| (key instanceof DHPublicKey);
}
// should not reach here,
// unknown engine type or algorithm
throw new AssertionError
("SunPKCS11 error: " + type + ", " + algorithm);
}
private boolean isLocalKey(Key key) {
return (key instanceof P11Key) && (((P11Key)key).token == token);
}
public String toString() {
return super.toString() +
" (" + Functions.getMechanismName(mechanism) + ")";
}
}
/**
* Log in to this provider.
*
* <p> If the token expects a PIN to be supplied by the caller,
* the <code>handler</code> implementation must support
* a <code>PasswordCallback</code>.
*
* <p> To determine if the token supports a protected authentication path,
* the CK_TOKEN_INFO flag, CKF_PROTECTED_AUTHENTICATION_PATH, is consulted.
*
* @param subject this parameter is ignored
* @param handler the <code>CallbackHandler</code> used by
* this provider to communicate with the caller
*
* @throws IllegalStateException if the provider requires configuration
* and Provider.configure has not been called
* @throws LoginException if the login operation fails
* @throws SecurityException if the does not pass a security check for
* <code>SecurityPermission("authProvider.<i>name</i>")</code>,
* where <i>name</i> is the value returned by
* this provider's <code>getName</code> method
*/
public void login(Subject subject, CallbackHandler handler)
throws LoginException {
if (!isConfigured()) {
throw new IllegalStateException("Configuration is required");
}
// security check
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
if (debug != null) {
debug.println("checking login permission");
}
sm.checkPermission(new SecurityPermission
("authProvider." + this.getName()));
}
if (hasValidToken() == false) {
throw new LoginException("No token present");
}
// see if a login is required
if ((token.tokenInfo.flags & CKF_LOGIN_REQUIRED) == 0) {
if (debug != null) {
debug.println("login operation not required for token - " +
"ignoring login request");
}
return;
}
// see if user already logged in
try {
if (token.isLoggedInNow(null)) {
// user already logged in
if (debug != null) {
debug.println("user already logged in");
}
return;
}
} catch (PKCS11Exception e) {
// ignore - fall thru and attempt login
}
// get the pin if necessary
char[] pin = null;
if ((token.tokenInfo.flags & CKF_PROTECTED_AUTHENTICATION_PATH) == 0) {
// get password
CallbackHandler myHandler = getCallbackHandler(handler);
if (myHandler == null) {
throw new LoginException
("no password provided, and no callback handler " +
"available for retrieving password");
}
java.text.MessageFormat form = new java.text.MessageFormat
(ResourcesMgr.getString
("PKCS11.Token.providerName.Password."));
Object[] source = { getName() };
PasswordCallback pcall = new PasswordCallback(form.format(source),
false);
Callback[] callbacks = { pcall };
try {
myHandler.handle(callbacks);
} catch (Exception e) {
LoginException le = new LoginException
("Unable to perform password callback");
le.initCause(e);
throw le;
}
pin = pcall.getPassword();
pcall.clearPassword();
if (pin == null) {
if (debug != null) {
debug.println("caller passed NULL pin");
}
}
}
// perform token login
Session session = null;
try {
session = token.getOpSession();
// pin is NULL if using CKF_PROTECTED_AUTHENTICATION_PATH
p11.C_Login(session.id(), CKU_USER, pin);
if (debug != null) {
debug.println("login succeeded");
}
} catch (PKCS11Exception pe) {
if (pe.getErrorCode() == CKR_USER_ALREADY_LOGGED_IN) {
// let this one go
if (debug != null) {
debug.println("user already logged in");
}
return;
} else if (pe.getErrorCode() == CKR_PIN_INCORRECT) {
FailedLoginException fle = new FailedLoginException();
fle.initCause(pe);
throw fle;
} else {
LoginException le = new LoginException();
le.initCause(pe);
throw le;
}
} finally {
token.releaseSession(session);
if (pin != null) {
Arrays.fill(pin, ' ');
}
}
// we do not store the PIN in the subject for now
}
/**
* Log out from this provider
*
* @throws IllegalStateException if the provider requires configuration
* and Provider.configure has not been called
* @throws LoginException if the logout operation fails
* @throws SecurityException if the does not pass a security check for
* <code>SecurityPermission("authProvider.<i>name</i>")</code>,
* where <i>name</i> is the value returned by
* this provider's <code>getName</code> method
*/
public void logout() throws LoginException {
if (!isConfigured()) {
throw new IllegalStateException("Configuration is required");
}
// security check
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission
(new SecurityPermission("authProvider." + this.getName()));
}
if (hasValidToken() == false) {
// app may call logout for cleanup, allow
return;
}
if ((token.tokenInfo.flags & CKF_LOGIN_REQUIRED) == 0) {
if (debug != null) {
debug.println("logout operation not required for token - " +
"ignoring logout request");
}
return;
}
try {
if (token.isLoggedInNow(null) == false) {
if (debug != null) {
debug.println("user not logged in");
}
return;
}
} catch (PKCS11Exception e) {
// ignore
}
// perform token logout
Session session = null;
try {
session = token.getOpSession();
p11.C_Logout(session.id());
if (debug != null) {
debug.println("logout succeeded");
}
} catch (PKCS11Exception pe) {
if (pe.getErrorCode() == CKR_USER_NOT_LOGGED_IN) {
// let this one go
if (debug != null) {
debug.println("user not logged in");
}
return;
}
LoginException le = new LoginException();
le.initCause(pe);
throw le;
} finally {
token.releaseSession(session);
}
}
/**
* Set a <code>CallbackHandler</code>
*
* <p> The provider uses this handler if one is not passed to the
* <code>login</code> method. The provider also uses this handler
* if it invokes <code>login</code> on behalf of callers.
* In either case if a handler is not set via this method,
* the provider queries the
* <i>auth.login.defaultCallbackHandler</i> security property
* for the fully qualified class name of a default handler implementation.
* If the security property is not set,
* the provider is assumed to have alternative means
* for obtaining authentication information.
*
* @param handler a <code>CallbackHandler</code> for obtaining
* authentication information, which may be <code>null</code>
*
* @throws IllegalStateException if the provider requires configuration
* and Provider.configure has not been called
* @throws SecurityException if the caller does not pass a
* security check for
* <code>SecurityPermission("authProvider.<i>name</i>")</code>,
* where <i>name</i> is the value returned by
* this provider's <code>getName</code> method
*/
public void setCallbackHandler(CallbackHandler handler) {
if (!isConfigured()) {
throw new IllegalStateException("Configuration is required");
}
// security check
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission
(new SecurityPermission("authProvider." + this.getName()));
}
synchronized (LOCK_HANDLER) {
pHandler = handler;
}
}
private CallbackHandler getCallbackHandler(CallbackHandler handler) {
// get default handler if necessary
if (handler != null) {
return handler;
}
if (debug != null) {
debug.println("getting provider callback handler");
}
synchronized (LOCK_HANDLER) {
// see if handler was set via setCallbackHandler
if (pHandler != null) {
return pHandler;
}
try {
if (debug != null) {
debug.println("getting default callback handler");
}
CallbackHandler myHandler = AccessController.doPrivileged
(new PrivilegedExceptionAction<CallbackHandler>() {
public CallbackHandler run() throws Exception {
String defaultHandler =
java.security.Security.getProperty
("auth.login.defaultCallbackHandler");
if (defaultHandler == null ||
defaultHandler.length() == 0) {
// ok
if (debug != null) {
debug.println("no default handler set");
}
return null;
}
Class<?> c = Class.forName
(defaultHandler,
true,
Thread.currentThread().getContextClassLoader());
if (!javax.security.auth.callback.CallbackHandler.class.isAssignableFrom(c)) {
// not the right subtype
if (debug != null) {
debug.println("default handler " + defaultHandler +
" is not a CallbackHandler");
}
return null;
}
@SuppressWarnings("deprecation")
Object result = c.newInstance();
return (CallbackHandler)result;
}
});
// save it
pHandler = myHandler;
return myHandler;
} catch (PrivilegedActionException pae) {
// ok
if (debug != null) {
debug.println("Unable to load default callback handler");
pae.printStackTrace();
}
}
}
return null;
}
private Object writeReplace() throws ObjectStreamException {
return new SunPKCS11Rep(this);
}
/**
* Serialized representation of the SunPKCS11 provider.
*/
private static class SunPKCS11Rep implements Serializable {
static final long serialVersionUID = -2896606995897745419L;
private final String providerName;
private final String configName;
SunPKCS11Rep(SunPKCS11 provider) throws NotSerializableException {
providerName = provider.getName();
configName = provider.config.getFileName();
if (Security.getProvider(providerName) != provider) {
throw new NotSerializableException("Only SunPKCS11 providers "
+ "installed in java.security.Security can be serialized");
}
}
private Object readResolve() throws ObjectStreamException {
SunPKCS11 p = (SunPKCS11)Security.getProvider(providerName);
if ((p == null) || (p.config.getFileName().equals(configName) == false)) {
throw new NotSerializableException("Could not find "
+ providerName + " in installed providers");
}
return p;
}
}
}
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