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|
// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.kra;
import org.mozilla.jss.util.Password;
import java.util.*;
import java.io.*;
import com.netscape.certsrv.security.*;
import java.net.*;
import java.security.*;
import java.security.cert.*;
import org.mozilla.jss.crypto.X509Certificate;
import org.mozilla.jss.crypto.TokenCertificate;
import netscape.security.x509.*;
import netscape.security.util.*;
import com.netscape.cmscore.util.*;
//import com.netscape.cmscore.kra.*;
import com.netscape.certsrv.dbs.keydb.*;
import com.netscape.certsrv.apps.*;
import com.netscape.certsrv.logging.*;
import com.netscape.certsrv.base.*;
import com.netscape.certsrv.security.*;
import com.netscape.certsrv.kra.*;
import org.mozilla.jss.crypto.PrivateKey;
import org.mozilla.jss.*;
import org.mozilla.jss.asn1.INTEGER;
import org.mozilla.jss.util.*;
import org.mozilla.jss.util.Password;
import org.mozilla.jss.crypto.*;
import com.netscape.cmscore.cert.*;
/**
* A class represents a storage key unit. Currently, this
* is implemented with cryptix, the final implementation
* should be built on JSS/HCL.
*
* @author thomask
* @version $Revision$, $Date$
*/
public class StorageKeyUnit extends EncryptionUnit implements
ISubsystem, IStorageKeyUnit {
private IConfigStore mConfig = null;
// private RSAPublicKey mPublicKey = null;
// private RSAPrivateKey mPrivateKey = null;
private IConfigStore mStorageConfig = null;
private IKeyRecoveryAuthority mKRA = null;
private String mTokenFile = null;
private X509Certificate mCert = null;
private CryptoManager mManager = null;
private CryptoToken mToken = null;
private PrivateKey mPrivateKey = null;
private byte mPrivateKeyData[] = null;
private boolean mKeySplitting = false;
private static final String PROP_N = "n";
private static final String PROP_M = "m";
private static final String PROP_UID = "uid";
private static final String PROP_SHARE = "share";
private static final String PROP_HARDWARE = "hardware";
private static final String PROP_LOGOUT = "logout";
public static final String PROP_NICKNAME = "nickName";
public static final String PROP_KEYDB = "keydb";
public static final String PROP_CERTDB = "certdb";
public static final String PROP_MN = "mn";
/**
* Constructs this token.
*/
public StorageKeyUnit() {
super();
}
/**
* Retrieves subsystem identifier.
*/
public String getId() {
return "storageKeyUnit";
}
/**
* Sets subsystem identifier. Once the system is
* loaded, system identifier cannot be changed
* dynamically.
*/
public void setId(String id) throws EBaseException {
throw new EBaseException(CMS.getUserMessage("CMS_INVALID_OPERATION"));
}
/**
* return true if byte arrays are equal, false otherwise
*/
private boolean byteArraysMatch(byte a[], byte b[]) {
if (a==null || b==null) { return false; }
if (a.length != b.length) { return false; }
for (int i=0; i<a.length; i++) {
if (a[i] != b[i]) { return false; }
}
return true;
}
/**
* Initializes this subsystem.
*/
public void init(ISubsystem owner, IConfigStore config)
throws EBaseException {
mKRA = (IKeyRecoveryAuthority) owner;
mConfig = config;
mKeySplitting = owner.getConfigStore().getBoolean("keySplitting", false);
try {
mManager = CryptoManager.getInstance();
mToken = getToken();
} catch (org.mozilla.jss.CryptoManager.NotInitializedException e) {
mKRA.log(ILogger.LL_FAILURE, CMS.getLogMessage("CMSCORE_KRA_STORAGE_INIT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", e.toString()));
}
if (mConfig.getString(PROP_HARDWARE, null) != null) {
System.setProperty("cms.skip_token", mConfig.getString(PROP_HARDWARE));
// The strategy here is to read all the certs in the token
// and cycle through them until we find one that matches the
// kra-cert.db file
if (mKeySplitting) {
byte certFileData[] = null;
try {
File certFile = new File(
mConfig.getString(PROP_CERTDB));
certFileData = new byte[
(Long.valueOf(certFile.length())).intValue()];
FileInputStream fi = new FileInputStream(certFile);
fi.read(certFileData);
fi.close();
// pick up cert by nickName
} catch (IOException e) {
mKRA.log(ILogger.LL_INFO,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_CERT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", e.toString()));
}
try {
X509Certificate certs[] =
getToken().getCryptoStore().getCertificates();
for (int i=0;i <certs.length;i++) {
if (byteArraysMatch(certs[i].getEncoded(),certFileData)) {
mCert = certs[i];
}
}
if (mCert == null) {
mKRA.log(ILogger.LL_FAILURE, "Storage Cert could not be initialized. No cert in token matched kra-cert file");
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", "mCert == null"));
} else {
mKRA.log(ILogger.LL_INFO, "Using Storage Cert "+mCert.getSubjectDN());
}
} catch (CertificateEncodingException e) {
mKRA.log(ILogger.LL_FAILURE, "Error encoding cert ");
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", e.toString()));
} catch (TokenException e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_CERT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", e.toString()));
}
}
} else {
// read certificate from file
byte certData[] = null;
try {
if (mKeySplitting) {
File certFile = new File(
mConfig.getString(PROP_CERTDB));
certData = new byte[
(Long.valueOf(certFile.length())).intValue()];
FileInputStream fi = new FileInputStream(certFile);
fi.read(certData);
fi.close();
// pick up cert by nickName
mCert = mManager.findCertByNickname(
config.getString(PROP_NICKNAME));
} else {
mCert = mManager.findCertByNickname(
config.getString(PROP_NICKNAME));
}
} catch (IOException e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_CERT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", e.toString()));
} catch (TokenException e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_CERT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", e.toString()));
} catch (ObjectNotFoundException e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_CERT", e.toString()));
// XXX - this import wont work
try {
mCert = mManager.importCertPackage(certData,
"kraStorageCert");
} catch (Exception ex) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_IMPORT_CERT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", ex.toString()));
}
}
if (mKeySplitting) {
// read private key from the file
try {
File priFile = new File(mConfig.getString(PROP_KEYDB));
mPrivateKeyData = new byte[
(Long.valueOf(priFile.length())).intValue()];
FileInputStream fi = new FileInputStream(priFile);
fi.read(mPrivateKeyData);
fi.close();
} catch (IOException e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_PRIVATE", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1", e.toString()));
}
}
}
if (mKeySplitting) {
// open internal data storage configuration
mTokenFile = mConfig.getString(PROP_MN);
try {
// read m, n and no of identifier
mStorageConfig = CMS.createFileConfigStore(mTokenFile);
} catch (EBaseException e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_MN",
e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_OPERATION"));
}
}
try {
if (mCert == null) {
CMS.debug("mCert is null...retrieving "+ config.getString(PROP_NICKNAME));
mCert = mManager.findCertByNickname(
config.getString(PROP_NICKNAME));
CMS.debug("mCert = "+mCert);
}
} catch (Exception e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_READ_CERT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_BASE_CERT_ERROR", e.toString()));
}
}
/**
* Starts up this subsystem.
*/
public void startup() throws EBaseException {
}
/**
* Shutdowns this subsystem.
*/
public void shutdown() {
}
/**
* Returns the configuration store of this token.
*/
public IConfigStore getConfigStore() {
return mConfig;
}
public static SymmetricKey buildSymmetricKeyWithInternalStorage(
String pin) throws EBaseException {
try {
return buildSymmetricKey(CryptoManager.getInstance().getInternalKeyStorageToken(), pin);
} catch (Exception e) {
return null;
}
}
/**
* Builds symmetric key from the given password.
*/
public static SymmetricKey buildSymmetricKey(CryptoToken token,
String pin) throws EBaseException {
try {
Password pass = new Password(pin.toCharArray());
KeyGenerator kg = null;
kg = token.getKeyGenerator(
PBEAlgorithm.PBE_SHA1_DES3_CBC);
byte salt[] = {0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01};
PBEKeyGenParams kgp = new PBEKeyGenParams(pass,
salt, 5);
pass.clear();
kg.initialize(kgp);
return kg.generate();
} catch (TokenException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"buildSymmetricKey:" +
e.toString()));
} catch (NoSuchAlgorithmException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"buildSymmetricKey:" +
e.toString()));
} catch (InvalidAlgorithmParameterException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"buildSymmetricKey:" +
e.toString()));
} catch (CharConversionException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"buildSymmetricKey:" +
e.toString()));
}
}
/**
* Unwraps the storage key with the given symmetric key.
*/
public static PrivateKey unwrapStorageKey(CryptoToken token,
SymmetricKey sk, byte wrapped[],
PublicKey pubKey)
throws EBaseException {
try {
KeyWrapper wrapper = token.getKeyWrapper(
KeyWrapAlgorithm.DES3_CBC_PAD);
byte iv[] = {0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1};
/*
org.mozilla.jss.pkcs11.PK11SecureRandom random =
new org.mozilla.jss.pkcs11.PK11SecureRandom();
random.nextBytes(iv);
*/
wrapper.initUnwrap(sk, new IVParameterSpec(iv));
// XXX - it does not like the public key that is
// not a crypto X509Certificate
PrivateKey pk = wrapper.unwrapTemporaryPrivate(wrapped,
PrivateKey.RSA, pubKey);
return pk;
} catch (TokenException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"unwrapStorageKey:" +
e.toString()));
} catch (NoSuchAlgorithmException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"unwrapStorageKey:" +
e.toString()));
} catch (InvalidKeyException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"unwrapStorageKey:" +
e.toString()));
} catch (InvalidAlgorithmParameterException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"unwrapStorageKey:" +
e.toString()));
}
}
/**
* Used by config-cert.
*/
public static byte[] wrapStorageKey(CryptoToken token,
SymmetricKey sk, PrivateKey pri)
throws EBaseException {
try {
// move public & private to config/storage.dat
// delete private key
KeyWrapper wrapper = token.getKeyWrapper(
KeyWrapAlgorithm.DES3_CBC_PAD);
// next to randomly generate a symmetric
// password
byte iv[] = {0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1};
wrapper.initWrap(sk, new IVParameterSpec(iv));
return wrapper.wrap(pri);
} catch (TokenException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"wrapStorageKey:" +
e.toString()));
} catch (NoSuchAlgorithmException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"wrapStorageKey:" +
e.toString()));
} catch (InvalidKeyException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"wrapStorageKey:" +
e.toString()));
} catch (InvalidAlgorithmParameterException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
"wrapStorageKey:" +
e.toString()));
}
}
/**
* Logins to this token.
*/
public void login(String pin) throws EBaseException {
if (mConfig.getString(PROP_HARDWARE, null) != null) {
try {
getToken().login(new Password(pin.toCharArray()));
PrivateKey pk[] = getToken().getCryptoStore().getPrivateKeys();
for (int i = 0; i < pk.length; i++) {
if (arraysEqual(pk[i].getUniqueID(),
((TokenCertificate) mCert).getUniqueID())) {
mPrivateKey = pk[i];
}
}
} catch (Exception e) {
mKRA.log(ILogger.LL_FAILURE, CMS.getLogMessage("CMSCORE_KRA_STORAGE_LOGIN", e.toString()));
}
} else {
try {
SymmetricKey sk = buildSymmetricKey(mToken, pin);
mPrivateKey = unwrapStorageKey(mToken, sk,
mPrivateKeyData, getPublicKey());
} catch (Exception e) {
mKRA.log(ILogger.LL_FAILURE, CMS.getLogMessage("CMSCORE_KRA_STORAGE_LOGIN", e.toString()));
}
if (mPrivateKey == null) {
mPrivateKey = getPrivateKey();
}
}
}
/**
* Logins to this token.
*/
public void login(Credential creds[])
throws EBaseException {
String pwd = constructPassword(creds);
login(pwd);
}
/**
* Logout from this token.
*/
public void logout() {
try {
if (mConfig.getString(PROP_HARDWARE, null) != null) {
if (mConfig.getBoolean(PROP_LOGOUT, false)) {
getToken().logout();
}
}
} catch (Exception e) {
mKRA.log(ILogger.LL_FAILURE, CMS.getLogMessage("CMSCORE_KRA_STORAGE_LOGOUT", e.toString()));
}
mPrivateKey = null;
}
/**
* Returns a list of recovery agent identifiers.
*/
public Enumeration getAgentIdentifiers() {
Vector v = new Vector();
for (int i = 0;; i++) {
try {
String uid =
mStorageConfig.getString(PROP_UID + i);
if (uid == null)
break;
v.addElement(uid);
} catch (EBaseException e) {
break;
}
}
return v.elements();
}
/**
* Changes agent password.
*/
public boolean changeAgentPassword(String id, String oldpwd,
String newpwd) throws EBaseException {
// locate the id(s)
for (int i = 0;; i++) {
try {
String uid =
mStorageConfig.getString(PROP_UID + i);
if (uid == null)
break;
if (id.equals(uid)) {
byte share[] = decryptShareWithInternalStorage(mStorageConfig.getString(PROP_SHARE + i), oldpwd);
mStorageConfig.putString(PROP_SHARE + i,
encryptShareWithInternalStorage(
share, newpwd));
mStorageConfig.commit(false);
return true;
}
} catch (Exception e) {
break;
}
}
return false;
}
/**
* Changes the m out of n recovery schema.
*/
public boolean changeAgentMN(int new_n, int new_m,
Credential oldcreds[],
Credential newcreds[])
throws EBaseException {
if (new_n != newcreds.length) {
throw new EKRAException(CMS.getUserMessage("CMS_KRA_INVALID_N"));
}
// XXX - verify and construct original password
String secret = constructPassword(oldcreds);
// XXX - remove extra configuration
for (int j = new_n; j < getNoOfAgents(); j++) {
mStorageConfig.remove(PROP_UID + j);
mStorageConfig.remove(PROP_SHARE + j);
}
// XXX - split pwd into n pieces
byte shares[][] = new byte[newcreds.length][];
IShare s = null;
try {
String className = mConfig.getString("share_class",
"com.netscape.cms.shares.OldShare");
s = (IShare)Class.forName(className).newInstance();
} catch (Exception e) {
CMS.debug("Loading Shares error " + e);
}
if (s == null) {
CMS.debug("Share plugin is not found");
return false;
}
try {
s.initialize(secret.getBytes(), new_m);
} catch (Exception e) {
CMS.debug("Failed to initialize Share plugin");
return false;
}
for (int i = 0; i < newcreds.length; i++) {
byte share[] = s.createShare(i + 1);
shares[i] = share;
}
// store the new shares into configuration
mStorageConfig.putInteger(PROP_N, new_n);
mStorageConfig.putInteger(PROP_M, new_m);
for (int i = 0; i < newcreds.length; i++) {
mStorageConfig.putString(PROP_UID + i,
newcreds[i].getIdentifier());
// use password to encrypt shares...
mStorageConfig.putString(PROP_SHARE + i,
encryptShareWithInternalStorage(shares[i],
newcreds[i].getPassword()));
}
try {
mStorageConfig.commit(false);
return true;
} catch (EBaseException e) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_CHANGE_MN", e.toString()));
}
return false;
}
/**
* Returns number of recovery agents.
*/
public int getNoOfAgents() throws EBaseException {
return mStorageConfig.getInteger(PROP_N);
}
/**
* Returns number of recovery agents required for
* recovery operation.
*/
public int getNoOfRequiredAgents() throws EBaseException {
return mStorageConfig.getInteger(PROP_M);
}
public CryptoToken getInternalToken() {
try {
return CryptoManager.getInstance().getInternalKeyStorageToken();
} catch (Exception e) {
return null;
}
}
public CryptoToken getToken() {
try {
if (mConfig.getString(PROP_HARDWARE, null) != null) {
return mManager.getTokenByName(mConfig.getString(PROP_HARDWARE));
} else {
return CryptoManager.getInstance().getInternalKeyStorageToken();
}
} catch (Exception e) {
return null;
}
}
/**
* Returns the certificate blob.
*/
public PublicKey getPublicKey() {
// NEED to move this key into internal storage token.
return mCert.getPublicKey();
}
public PrivateKey getPrivateKey() {
if (!mKeySplitting) {
try {
PrivateKey pk[] = getToken().getCryptoStore().getPrivateKeys();
for (int i = 0; i < pk.length; i++) {
if (arraysEqual(pk[i].getUniqueID(),
((TokenCertificate) mCert).getUniqueID())) {
return pk[i];
}
}
} catch (TokenException e) {
}
return null;
} else {
return mPrivateKey;
}
}
/**
* Verifies the integrity of the given key pairs.
*/
public void verify(byte publicKey[], PrivateKey privateKey)
throws EBaseException {
// XXX
}
public static String encryptShareWithInternalStorage(
byte share[], String pwd)
throws EBaseException {
try {
return encryptShare(CryptoManager.getInstance().getInternalKeyStorageToken(), share, pwd);
} catch (Exception e) {
return null;
}
}
/**
* Protectes the share with the given password.
*/
public static String encryptShare(CryptoToken token,
byte share[], String pwd)
throws EBaseException {
try {
Cipher cipher = token.getCipherContext(
EncryptionAlgorithm.DES3_CBC_PAD);
SymmetricKey sk = StorageKeyUnit.buildSymmetricKey(token, pwd);
byte iv[] = {0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01};
cipher.initEncrypt(sk, new IVParameterSpec(iv));
byte prev[] = preVerify(share);
byte enc[] = cipher.doFinal(prev);
// #615387 - cannot use CMS.BtoA because CMS is not present during
// configuration
return com.netscape.osutil.OSUtil.BtoA(enc).trim();
} catch (NoSuchAlgorithmException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
e.toString()));
} catch (TokenException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
e.toString()));
} catch (InvalidKeyException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
e.toString()));
} catch (InvalidAlgorithmParameterException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
e.toString()));
} catch (BadPaddingException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
e.toString()));
} catch (IllegalBlockSizeException e) {
throw new EBaseException(CMS.getUserMessage("CMS_BASE_INVALID_KEY_1",
e.toString()));
}
}
public static byte[] preVerify(byte share[]) {
byte data[] = new byte[share.length + 2];
data[0] = 0;
data[1] = 0;
for (int i = 0; i < share.length; i++) {
data[2 + i] = share[i];
}
return data;
}
public static boolean verifyShare(byte share[]) {
if (share[0] == 0 && share[1] == 0) {
return true;
} else {
return false;
}
}
public static byte[] postVerify(byte share[]) {
byte data[] = new byte[share.length - 2];
for (int i = 2; i < share.length; i++) {
data[i - 2] = share[i];
}
return data;
}
public void checkPassword(String userid, String pwd) throws EBaseException {
for (int i = 0;; i++) {
String uid = null;
try {
uid = mStorageConfig.getString(PROP_UID + i);
if (uid == null)
break;
} catch (Exception e) {
break;
}
if (uid.equals(userid)) {
byte data[] = decryptShareWithInternalStorage(
mStorageConfig.getString(PROP_SHARE + i),
pwd);
if (data == null) {
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
return;
}
}
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
public static byte[] decryptShareWithInternalStorage(
String encoding, String pwd)
throws EBaseException {
try {
return decryptShare(CryptoManager.getInstance().getInternalKeyStorageToken(), encoding, pwd);
} catch (Exception e) {
return null;
}
}
/**
* Decrypts shares with the given password.
*/
public static byte[] decryptShare(CryptoToken token,
String encoding, String pwd)
throws EBaseException {
try {
byte share[] = CMS.AtoB(encoding);
Cipher cipher = token.getCipherContext(
EncryptionAlgorithm.DES3_CBC_PAD);
SymmetricKey sk = StorageKeyUnit.buildSymmetricKey(
token, pwd);
byte iv[] = {0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01};
cipher.initDecrypt(sk, new IVParameterSpec(iv));
byte dec[] = cipher.doFinal(share);
if (dec == null || !verifyShare(dec)) {
// invalid passwod
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
return postVerify(dec);
} catch (OutOfMemoryError e) {
// XXX - this happens in cipher.doFinal when
// the given share is not valid (the password
// given from the agent is not correct).
// Actulla, cipher.doFinal should return
// something better than this!
//
// e.printStackTrace();
//
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
e.toString()));
} catch (TokenException e) {
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
e.toString()));
} catch (NoSuchAlgorithmException e) {
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
e.toString()));
} catch (InvalidKeyException e) {
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
e.toString()));
} catch (InvalidAlgorithmParameterException e) {
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
e.toString()));
} catch (IllegalBlockSizeException e) {
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
e.toString()));
} catch (BadPaddingException e) {
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
e.toString()));
}
}
/**
* Reconstructs password from recovery agents.
*/
private String constructPassword(Credential creds[])
throws EBaseException {
// sort the credential according to the order in
// configuration file
Hashtable v = new Hashtable();
for (int i = 0;; i++) {
String uid = null;
try {
uid = mStorageConfig.getString(PROP_UID + i);
if (uid == null)
break;
} catch (Exception e) {
break;
}
for (int j = 0; j < creds.length; j++) {
if (uid.equals(creds[j].getIdentifier())) {
byte pwd[] = decryptShareWithInternalStorage(
mStorageConfig.getString(
PROP_SHARE + i),
creds[j].getPassword());
if (pwd == null) {
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
v.put(Integer.toString(i), pwd);
break;
}
}
}
if (v.size() < 0) {
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
if (v.size() != creds.length) {
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
IJoinShares j = null;
try {
String className = mConfig.getString("joinshares_class",
"com.netscape.cms.shares.OldJoinShares");
j = (IJoinShares)Class.forName(className).newInstance();
} catch (Exception e) {
CMS.debug("JoinShares error " + e);
}
if (j == null) {
CMS.debug("JoinShares plugin is not found");
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
try {
j.initialize(v.size());
} catch (Exception e) {
CMS.debug("Failed to initialize JoinShares");
throw new EBaseException(CMS.getUserMessage("CMS_AUTHENTICATION_INVALID_CREDENTIAL"));
}
Enumeration e = v.keys();
while (e.hasMoreElements()) {
String next = (String) e.nextElement();
j.addShare(Integer.parseInt(next) + 1,
(byte[]) v.get(next));
}
try {
byte secret[] = j.recoverSecret();
String pwd = new String(secret);
return pwd;
} catch (Exception ee) {
mKRA.log(ILogger.LL_FAILURE,
CMS.getLogMessage("CMSCORE_KRA_STORAGE_RECONSTRUCT", e.toString()));
throw new EBaseException(CMS.getUserMessage("CMS_KRA_INVALID_PASSWORD",
ee.toString()));
}
}
public static boolean arraysEqual(byte[] bytes, byte[] ints) {
if (bytes == null || ints == null) {
return false;
}
if (bytes.length != ints.length) {
return false;
}
for (int i = 0; i < bytes.length; i++) {
if (bytes[i] != ints[i]) {
return false;
}
}
return true;
}
}
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