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From voze...@apache.org
Subject [2/4] ignite git commit: IGNITE-7436: Simple username/password authentication. This closes #3483.
Date Thu, 22 Mar 2018 11:47:15 GMT
http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcConnectionContext.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcConnectionContext.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcConnectionContext.java
index d8f82f5..2fe3b9c 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcConnectionContext.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcConnectionContext.java
@@ -17,15 +17,19 @@
 
 package org.apache.ignite.internal.processors.odbc.jdbc;
 
+import java.io.IOException;
 import java.util.HashSet;
 import java.util.Set;
+import org.apache.ignite.IgniteCheckedException;
 import org.apache.ignite.internal.GridKernalContext;
 import org.apache.ignite.internal.binary.BinaryReaderExImpl;
+import org.apache.ignite.internal.processors.authentication.AuthorizationContext;
 import org.apache.ignite.internal.processors.odbc.ClientListenerConnectionContext;
 import org.apache.ignite.internal.processors.odbc.ClientListenerMessageParser;
 import org.apache.ignite.internal.processors.odbc.ClientListenerProtocolVersion;
 import org.apache.ignite.internal.processors.odbc.ClientListenerRequestHandler;
 import org.apache.ignite.internal.util.GridSpinBusyLock;
+import org.apache.ignite.internal.util.typedef.F;
 
 /**
  * JDBC Connection Context.
@@ -99,7 +103,8 @@ public class JdbcConnectionContext implements ClientListenerConnectionContext {
     }
 
     /** {@inheritDoc} */
-    @Override public void initializeFromHandshake(ClientListenerProtocolVersion ver, BinaryReaderExImpl reader) {
+    @Override public void initializeFromHandshake(ClientListenerProtocolVersion ver, BinaryReaderExImpl reader)
+        throws IgniteCheckedException {
         assert SUPPORTED_VERS.contains(ver): "Unsupported JDBC protocol version.";
 
         boolean distributedJoins = reader.readBoolean();
@@ -118,8 +123,32 @@ public class JdbcConnectionContext implements ClientListenerConnectionContext {
         if (ver.compareTo(VER_2_3_0) >= 0)
             skipReducerOnUpdate = reader.readBoolean();
 
+        AuthorizationContext actx = null;
+
+        try {
+            if (reader.available() > 0) {
+                String user = reader.readString();
+                String passwd = reader.readString();
+
+                if (F.isEmpty(user) && ctx.authentication().enabled())
+                    throw new IgniteCheckedException("Unauthenticated sessions are prohibited");
+
+                actx = ctx.authentication().authenticate(user, passwd);
+
+                if (actx == null)
+                    throw new IgniteCheckedException("Unknown authentication error");
+            }
+            else {
+                if (ctx.authentication().enabled())
+                    throw new IgniteCheckedException("Unauthenticated sessions are prohibited");
+            }
+        }
+        catch (Exception e) {
+            throw new IgniteCheckedException("Handshake error: " + e.getMessage(), e);
+        }
+
         handler = new JdbcRequestHandler(ctx, busyLock, maxCursors, distributedJoins, enforceJoinOrder,
-            collocated, replicatedOnly, autoCloseCursors, lazyExec, skipReducerOnUpdate, ver);
+            collocated, replicatedOnly, autoCloseCursors, lazyExec, skipReducerOnUpdate, actx, ver);
 
         parser = new JdbcMessageParser(ctx);
     }

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcRequestHandler.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcRequestHandler.java b/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcRequestHandler.java
index baf4ec5..cf0e98b 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcRequestHandler.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/processors/odbc/jdbc/JdbcRequestHandler.java
@@ -40,6 +40,7 @@ import org.apache.ignite.internal.IgniteVersionUtils;
 import org.apache.ignite.internal.binary.BinaryWriterExImpl;
 import org.apache.ignite.internal.processors.bulkload.BulkLoadAckClientParameters;
 import org.apache.ignite.internal.processors.bulkload.BulkLoadProcessor;
+import org.apache.ignite.internal.processors.authentication.AuthorizationContext;
 import org.apache.ignite.internal.processors.cache.QueryCursorImpl;
 import org.apache.ignite.internal.processors.cache.query.IgniteQueryErrorCode;
 import org.apache.ignite.internal.processors.cache.query.SqlFieldsQueryEx;
@@ -113,6 +114,9 @@ public class JdbcRequestHandler implements ClientListenerRequestHandler {
     /** Protocol version. */
     private ClientListenerProtocolVersion protocolVer;
 
+    /** Authentication context */
+    private AuthorizationContext actx;
+
     /**
      * Constructor.
      * @param ctx Context.
@@ -125,12 +129,13 @@ public class JdbcRequestHandler implements ClientListenerRequestHandler {
      * @param autoCloseCursors Flag to automatically close server cursors.
      * @param lazy Lazy query execution flag.
      * @param skipReducerOnUpdate Skip reducer on update flag.
+     * @param actx Authentication context.
      * @param protocolVer Protocol version.
      */
     public JdbcRequestHandler(GridKernalContext ctx, GridSpinBusyLock busyLock, int maxCursors,
         boolean distributedJoins, boolean enforceJoinOrder, boolean collocated, boolean replicatedOnly,
         boolean autoCloseCursors, boolean lazy, boolean skipReducerOnUpdate,
-        ClientListenerProtocolVersion protocolVer) {
+        AuthorizationContext actx, ClientListenerProtocolVersion protocolVer) {
         this.ctx = ctx;
 
         this.cliCtx = new SqlClientContext(
@@ -147,6 +152,7 @@ public class JdbcRequestHandler implements ClientListenerRequestHandler {
         this.maxCursors = maxCursors;
         this.autoCloseCursors = autoCloseCursors;
         this.protocolVer = protocolVer;
+        this.actx = actx;
 
         log = ctx.log(getClass());
     }
@@ -163,6 +169,9 @@ public class JdbcRequestHandler implements ClientListenerRequestHandler {
             return new JdbcResponse(IgniteQueryErrorCode.UNKNOWN,
                 "Failed to handle JDBC request because node is stopping.");
 
+        if (actx != null)
+            AuthorizationContext.context(actx);
+
         try {
             switch (req.type()) {
                 case QRY_EXEC:
@@ -206,6 +215,8 @@ public class JdbcRequestHandler implements ClientListenerRequestHandler {
                 "Unsupported JDBC request [req=" + req + ']');
         }
         finally {
+            AuthorizationContext.clear();
+
             busyLock.leaveBusy();
         }
     }

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlKeyword.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlKeyword.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlKeyword.java
index 26b2263..e25096d 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlKeyword.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlKeyword.java
@@ -251,6 +251,15 @@ public class SqlKeyword {
     /** Keyword: PARALLEL. */
     public static final String PARALLEL = "PARALLEL";
 
+    /** Keyword: USER. */
+    public static final String USER = "USER";
+
+    /** Keyword: WITH. */
+    public static final String WITH = "WITH";
+
+    /** Keyword: PASSWORD. */
+    public static final String PASSWORD = "PASSWORD";
+
     /** All keywords. */
     private static final HashSet<String> KEYWORDS;
 

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexer.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexer.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexer.java
index 3fd6fa9..d091fc4 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexer.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexer.java
@@ -140,6 +140,32 @@ public class SqlLexer implements SqlLexerToken {
 
                     break;
 
+                case '\'':
+                    while (true) {
+                        if (eod()) {
+                            throw new SqlParseException(sql, tokenStartPos0, IgniteQueryErrorCode.PARSING,
+                                "Unclosed string constant.");
+                        }
+
+                        char c1 = inputChars[pos];
+
+                        pos++;
+
+                        if (c1 == '\'') {
+                            char c2 = inputChars[pos];
+
+                            if (c2 == '\'')
+                                pos++;
+                            else
+                                break;
+                        }
+                    }
+
+                    token0 = sql.substring(tokenStartPos0 + 1, pos - 1).replaceAll("''", "'");
+                    tokenTyp0 = SqlLexerTokenType.STRING;
+
+                    break;
+
                 case '.':
                 case ',':
                 case ';':

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexerTokenType.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexerTokenType.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexerTokenType.java
index 693832b..453444b 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexerTokenType.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlLexerTokenType.java
@@ -29,6 +29,9 @@ public enum SqlLexerTokenType {
     /** Quoted phrase. */
     QUOTED,
 
+    /** Quoted string constant. */
+    STRING,
+
     /** Minus sign. */
     MINUS('-'),
 

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParser.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParser.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParser.java
index da6d28e..cbde936 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParser.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParser.java
@@ -18,11 +18,14 @@
 package org.apache.ignite.internal.sql;
 
 import org.apache.ignite.internal.sql.command.SqlAlterTableCommand;
+import org.apache.ignite.internal.sql.command.SqlAlterUserCommand;
 import org.apache.ignite.internal.sql.command.SqlBulkLoadCommand;
 import org.apache.ignite.internal.sql.command.SqlCommand;
 import org.apache.ignite.internal.sql.command.SqlCreateIndexCommand;
+import org.apache.ignite.internal.sql.command.SqlCreateUserCommand;
 import org.apache.ignite.internal.sql.command.SqlDropIndexCommand;
 import org.apache.ignite.internal.sql.command.SqlSetStreamingCommand;
+import org.apache.ignite.internal.sql.command.SqlDropUserCommand;
 import org.jetbrains.annotations.Nullable;
 
 import static org.apache.ignite.internal.sql.SqlKeyword.ALTER;
@@ -37,6 +40,7 @@ import static org.apache.ignite.internal.sql.SqlKeyword.SPATIAL;
 import static org.apache.ignite.internal.sql.SqlKeyword.STREAMING;
 import static org.apache.ignite.internal.sql.SqlKeyword.TABLE;
 import static org.apache.ignite.internal.sql.SqlKeyword.UNIQUE;
+import static org.apache.ignite.internal.sql.SqlKeyword.USER;
 import static org.apache.ignite.internal.sql.SqlParserUtils.errorUnexpectedToken;
 import static org.apache.ignite.internal.sql.SqlParserUtils.errorUnsupportedIfMatchesKeyword;
 import static org.apache.ignite.internal.sql.SqlParserUtils.matchesKeyword;
@@ -191,6 +195,12 @@ public class SqlParser {
                         throw errorUnexpectedToken(lex, INDEX);
 
                     break;
+
+                case USER:
+                    cmd = new SqlCreateUserCommand();
+
+                    break;
+
             }
 
             if (cmd != null)
@@ -216,6 +226,11 @@ public class SqlParser {
                     cmd = new SqlDropIndexCommand();
 
                     break;
+
+                case USER:
+                    cmd = new SqlDropUserCommand();
+
+                    break;
             }
 
             if (cmd != null)
@@ -239,6 +254,11 @@ public class SqlParser {
                     cmd = new SqlAlterTableCommand();
 
                     break;
+
+                case USER:
+                    cmd = new SqlAlterUserCommand();
+
+                    break;
             }
 
             if (cmd != null)

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java
index 9ed75ef..e99af1d 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/SqlParserUtils.java
@@ -159,6 +159,34 @@ public class SqlParserUtils {
     }
 
     /**
+     * Process name.
+     *
+     * @param lex Lexer.
+     * @param additionalExpTokens Additional expected tokens in case of error.
+     * @return Name.
+     */
+    public static String parseUsername(SqlLexer lex, String... additionalExpTokens) {
+        if (lex.shift() && isValidIdentifier(lex))
+            return lex.token();
+
+        throw errorUnexpectedToken(lex, "[username identifier]", additionalExpTokens);
+    }
+
+    /**
+     * Process name.
+     *
+     * @param lex Lexer.
+     * @param additionalExpTokens Additional expected tokens in case of error.
+     * @return Name.
+     */
+    public static String parseString(SqlLexer lex, String... additionalExpTokens) {
+        if (lex.shift() && lex.tokenType() == SqlLexerTokenType.STRING)
+            return lex.token();
+
+        throw errorUnexpectedToken(lex, "[string]", additionalExpTokens);
+    }
+
+    /**
      * Process qualified name.
      *
      * @param lex Lexer.

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlAlterUserCommand.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlAlterUserCommand.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlAlterUserCommand.java
new file mode 100644
index 0000000..3e9c15f
--- /dev/null
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlAlterUserCommand.java
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.sql.command;
+
+import org.apache.ignite.internal.sql.SqlLexer;
+import org.apache.ignite.internal.sql.SqlParserUtils;
+import org.apache.ignite.internal.util.typedef.internal.S;
+
+import static org.apache.ignite.internal.sql.SqlKeyword.PASSWORD;
+import static org.apache.ignite.internal.sql.SqlKeyword.WITH;
+import static org.apache.ignite.internal.sql.SqlParserUtils.parseString;
+import static org.apache.ignite.internal.sql.SqlParserUtils.skipIfMatchesKeyword;
+
+/**
+ * ALTER USER command.
+ */
+public class SqlAlterUserCommand implements SqlCommand {
+    /** User name. */
+    private String userName;
+
+    /** User's password. */
+    private String passwd;
+
+    /** {@inheritDoc} */
+    @Override public String schemaName() {
+        return null;
+    }
+
+    /** {@inheritDoc} */
+    @Override public void schemaName(String schemaName) {
+        // No-op.
+    }
+
+    /**
+     * @return User name.
+     */
+    public String userName() {
+        return userName;
+    }
+
+    /**
+     * @return User's password.
+     */
+    public String password() {
+        return passwd;
+    }
+
+    /** {@inheritDoc} */
+    @Override public SqlCommand parse(SqlLexer lex) {
+        userName = SqlParserUtils.parseUsername(lex);
+
+        skipIfMatchesKeyword(lex, WITH);
+        skipIfMatchesKeyword(lex, PASSWORD);
+
+        passwd = parseString(lex);
+
+        return this;
+    }
+
+    /** {@inheritDoc} */
+    @Override public String toString() {
+        return S.toString(SqlAlterUserCommand.class, this);
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlCreateUserCommand.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlCreateUserCommand.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlCreateUserCommand.java
new file mode 100644
index 0000000..15223b3
--- /dev/null
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlCreateUserCommand.java
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.sql.command;
+
+import org.apache.ignite.internal.sql.SqlLexer;
+import org.apache.ignite.internal.sql.SqlParserUtils;
+import org.apache.ignite.internal.util.typedef.internal.S;
+
+import static org.apache.ignite.internal.sql.SqlKeyword.PASSWORD;
+import static org.apache.ignite.internal.sql.SqlKeyword.WITH;
+import static org.apache.ignite.internal.sql.SqlParserUtils.parseString;
+import static org.apache.ignite.internal.sql.SqlParserUtils.skipIfMatchesKeyword;
+
+/**
+ * CREATE USER command.
+ */
+public class SqlCreateUserCommand implements SqlCommand {
+    /** User name. */
+    private String userName;
+
+    /** User's password. */
+    private String passwd;
+
+    /** {@inheritDoc} */
+    @Override public String schemaName() {
+        return null;
+    }
+
+    /** {@inheritDoc} */
+    @Override public void schemaName(String schemaName) {
+        // No-op.
+    }
+
+    /**
+     * @return User name.
+     */
+    public String userName() {
+        return userName;
+    }
+
+    /**
+     * @return User's password.
+     */
+    public String password() {
+        return passwd;
+    }
+
+    /** {@inheritDoc} */
+    @Override public SqlCommand parse(SqlLexer lex) {
+        userName = SqlParserUtils.parseUsername(lex);
+
+        skipIfMatchesKeyword(lex, WITH);
+        skipIfMatchesKeyword(lex, PASSWORD);
+
+        passwd = parseString(lex);
+
+        return this;
+    }
+
+    /** {@inheritDoc} */
+    @Override public String toString() {
+        return S.toString(SqlCreateUserCommand.class, this);
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlDropUserCommand.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlDropUserCommand.java b/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlDropUserCommand.java
new file mode 100644
index 0000000..e49d251
--- /dev/null
+++ b/modules/core/src/main/java/org/apache/ignite/internal/sql/command/SqlDropUserCommand.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.sql.command;
+
+import org.apache.ignite.internal.sql.SqlLexer;
+import org.apache.ignite.internal.sql.SqlParserUtils;
+import org.apache.ignite.internal.util.typedef.internal.S;
+
+/**
+ * DROP USER command.
+ */
+public class SqlDropUserCommand implements SqlCommand {
+    /** User name. */
+    private String userName;
+
+    /** {@inheritDoc} */
+    @Override public String schemaName() {
+        return null;
+    }
+
+    /** {@inheritDoc} */
+    @Override public void schemaName(String schemaName) {
+        // No-op.
+    }
+
+    /**
+     * @return User name.
+     */
+    public String userName() {
+        return userName;
+    }
+
+    /** {@inheritDoc} */
+    @Override public SqlCommand parse(SqlLexer lex) {
+        userName = SqlParserUtils.parseUsername(lex);
+
+        return this;
+    }
+
+    /** {@inheritDoc} */
+    @Override public String toString() {
+        return S.toString(SqlDropUserCommand.class, this);
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
index cbe64cd..18e182d 100755
--- a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
@@ -5480,6 +5480,44 @@ public abstract class IgniteUtils {
     }
 
     /**
+     * Gets declared annotation for a class.
+     *
+     * @param <T> Type of annotation to return.
+     * @param cls Class to get annotation from.
+     * @param annCls Annotation to get.
+     * @return Instance of annotation, or {@code null} if not found.
+     */
+    @Nullable public static <T extends Annotation> T getDeclaredAnnotation(Class<?> cls, Class<T> annCls) {
+        if (cls == Object.class)
+            return null;
+
+        return cls.getDeclaredAnnotation(annCls);
+    }
+
+    /**
+     * Indicates if class has given declared annotation.
+     *
+     * @param <T> Annotation type.
+     * @param cls Class to get annotation from.
+     * @param annCls Annotation to get.
+     * @return {@code true} if class has annotation or {@code false} otherwise.
+     */
+    public static <T extends Annotation> boolean hasDeclaredAnnotation(Class<?> cls, Class<T> annCls) {
+        return getDeclaredAnnotation(cls, annCls) != null;
+    }
+
+    /**
+     * Indicates if class has given annotation.
+     *
+     * @param o Object to get annotation from.
+     * @param annCls Annotation to get.
+     * @return {@code true} if class has annotation or {@code false} otherwise.
+     */
+    public static <T extends Annotation> boolean hasDeclaredAnnotation(Object o, Class<T> annCls) {
+        return o != null && hasDeclaredAnnotation(o.getClass(), annCls);
+    }
+
+    /**
      * Indicates if class has given annotation.
      *
      * @param <T> Annotation type.

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/spi/discovery/DiscoveryDataBag.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/DiscoveryDataBag.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/DiscoveryDataBag.java
index 803beed..b8d8908 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/DiscoveryDataBag.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/DiscoveryDataBag.java
@@ -171,20 +171,27 @@ public class DiscoveryDataBag {
     /** */
     private GridDiscoveryDataImpl gridData;
 
+    /** */
+    private final boolean isJoiningNodeClient;
+
     /**
      * @param joiningNodeId Joining node id.
+     * @param isJoiningNodeClient Flag indicates the joining node is client.
      */
-    public DiscoveryDataBag(UUID joiningNodeId) {
+    public DiscoveryDataBag(UUID joiningNodeId, boolean isJoiningNodeClient) {
         this.joiningNodeId = joiningNodeId;
+        this.isJoiningNodeClient = isJoiningNodeClient;
     }
 
     /**
      * @param joiningNodeId Joining node id.
      * @param cmnDataInitializedCmps Component IDs with already initialized common discovery data.
+     * @param isJoiningNodeClient Flag indicates the joining node is client.
      */
-    public DiscoveryDataBag(UUID joiningNodeId, Set<Integer> cmnDataInitializedCmps) {
+    public DiscoveryDataBag(UUID joiningNodeId, Set<Integer> cmnDataInitializedCmps, boolean isJoiningNodeClient) {
         this.joiningNodeId = joiningNodeId;
         this.cmnDataInitializedCmps = cmnDataInitializedCmps;
+        this.isJoiningNodeClient = isJoiningNodeClient;
     }
 
     /**
@@ -195,6 +202,13 @@ public class DiscoveryDataBag {
     }
 
     /**
+     * @return {@code true} if the joining node is client node. Return {@code false} otherwise.
+     */
+    public boolean isJoiningNodeClient() {
+        return isJoiningNodeClient;
+    }
+
+    /**
      * @param cmpId Component ID.
      * @return Discovery data for given component.
      */

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ClientImpl.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ClientImpl.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ClientImpl.java
index f52cae4..16c5d3a 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ClientImpl.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ClientImpl.java
@@ -58,6 +58,8 @@ import org.apache.ignite.cluster.ClusterNode;
 import org.apache.ignite.internal.IgniteClientDisconnectedCheckedException;
 import org.apache.ignite.internal.IgniteInterruptedCheckedException;
 import org.apache.ignite.internal.IgniteNodeAttributes;
+import org.apache.ignite.internal.managers.discovery.CustomMessageWrapper;
+import org.apache.ignite.internal.managers.discovery.DiscoveryServerOnlyCustomMessage;
 import org.apache.ignite.internal.util.future.GridFutureAdapter;
 import org.apache.ignite.internal.util.tostring.GridToStringExclude;
 import org.apache.ignite.internal.util.typedef.F;
@@ -99,6 +101,7 @@ import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryNodeLeftMessage;
 import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryPingRequest;
 import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryPingResponse;
 import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryRingLatencyCheckMessage;
+import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryServerOnlyCustomEventMessage;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import java.util.concurrent.ConcurrentHashMap;
@@ -445,8 +448,16 @@ class ClientImpl extends TcpDiscoveryImpl {
             throw new IgniteClientDisconnectedException(null, "Failed to send custom message: client is disconnected.");
 
         try {
-            sockWriter.sendMessage(new TcpDiscoveryCustomEventMessage(getLocalNodeId(), evt,
-                U.marshal(spi.marshaller(), evt)));
+            TcpDiscoveryAbstractMessage msg;
+
+            if (((CustomMessageWrapper)evt).delegate() instanceof DiscoveryServerOnlyCustomMessage)
+                msg = new TcpDiscoveryServerOnlyCustomEventMessage(getLocalNodeId(), evt,
+                    U.marshal(spi.marshaller(), evt));
+            else
+                msg = new TcpDiscoveryCustomEventMessage(getLocalNodeId(), evt,
+                    U.marshal(spi.marshaller(), evt));
+
+            sockWriter.sendMessage(msg);
         }
         catch (IgniteCheckedException e) {
             throw new IgniteSpiException("Failed to marshal custom event: " + evt, e);

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
index bdf9440..4aa1316 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java
@@ -71,6 +71,8 @@ import org.apache.ignite.internal.IgniteInterruptedCheckedException;
 import org.apache.ignite.internal.IgniteNodeAttributes;
 import org.apache.ignite.internal.IgnitionEx;
 import org.apache.ignite.internal.events.DiscoveryCustomEvent;
+import org.apache.ignite.internal.managers.discovery.CustomMessageWrapper;
+import org.apache.ignite.internal.managers.discovery.DiscoveryServerOnlyCustomMessage;
 import org.apache.ignite.internal.processors.security.SecurityContext;
 import org.apache.ignite.internal.processors.security.SecurityUtils;
 import org.apache.ignite.internal.util.GridBoundedLinkedHashSet;
@@ -131,6 +133,7 @@ import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryPingRequest;
 import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryPingResponse;
 import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryRedirectToClient;
 import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryRingLatencyCheckMessage;
+import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryServerOnlyCustomEventMessage;
 import org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryStatusCheckMessage;
 import org.apache.ignite.thread.IgniteThreadPoolExecutor;
 import org.jetbrains.annotations.Nullable;
@@ -788,8 +791,16 @@ class ServerImpl extends TcpDiscoveryImpl {
     /** {@inheritDoc} */
     @Override public void sendCustomEvent(DiscoverySpiCustomMessage evt) {
         try {
-            msgWorker.addMessage(new TcpDiscoveryCustomEventMessage(getLocalNodeId(), evt,
-                U.marshal(spi.marshaller(), evt)));
+            TcpDiscoveryAbstractMessage msg;
+
+            if (((CustomMessageWrapper)evt).delegate() instanceof DiscoveryServerOnlyCustomMessage)
+                msg = new TcpDiscoveryServerOnlyCustomEventMessage(getLocalNodeId(), evt,
+                    U.marshal(spi.marshaller(), evt));
+            else
+                msg = new TcpDiscoveryCustomEventMessage(getLocalNodeId(), evt,
+                    U.marshal(spi.marshaller(), evt));
+
+            msgWorker.addMessage(msg);
         }
         catch (IgniteCheckedException e) {
             throw new IgniteSpiException("Failed to marshal custom event: " + evt, e);
@@ -3311,7 +3322,7 @@ class ServerImpl extends TcpDiscoveryImpl {
          * @return Whether to redirect message to client nodes.
          */
         private boolean redirectToClients(TcpDiscoveryAbstractMessage msg) {
-            return msg.verified() && U.getAnnotation(msg.getClass(), TcpDiscoveryRedirectToClient.class) != null;
+            return msg.verified() && U.hasDeclaredAnnotation(msg, TcpDiscoveryRedirectToClient.class);
         }
 
         /**
@@ -4165,6 +4176,8 @@ class ServerImpl extends TcpDiscoveryImpl {
 
                     DiscoveryDataPacket dataPacket = msg.gridDiscoveryData();
 
+                    dataPacket.joiningNodeClient(msg.client());
+
                     assert dataPacket != null : msg;
 
                     if (dataPacket.hasJoiningNodeData())

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/DiscoveryDataPacket.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/DiscoveryDataPacket.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/DiscoveryDataPacket.java
index 5f70f3c..bec8cee 100644
--- a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/DiscoveryDataPacket.java
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/internal/DiscoveryDataPacket.java
@@ -56,6 +56,9 @@ public class DiscoveryDataPacket implements Serializable {
     /** */
     private Map<UUID, Map<Integer, byte[]>> nodeSpecificData = new LinkedHashMap<>();
 
+    /** */
+    private transient boolean joiningNodeClient;
+
     /**
      * @param joiningNodeId Joining node id.
      */
@@ -114,7 +117,7 @@ public class DiscoveryDataPacket implements Serializable {
             boolean clientNode,
             IgniteLogger log
     ) {
-        DiscoveryDataBag dataBag = new DiscoveryDataBag(joiningNodeId);
+        DiscoveryDataBag dataBag = new DiscoveryDataBag(joiningNodeId, joiningNodeClient);
 
         if (commonData != null && !commonData.isEmpty()) {
             Map<Integer, Serializable> unmarshCommonData = unmarshalData(commonData, marsh, clsLdr, clientNode, log);
@@ -154,7 +157,7 @@ public class DiscoveryDataPacket implements Serializable {
             boolean clientNode,
             IgniteLogger log
     ) {
-        DiscoveryDataBag dataBag = new DiscoveryDataBag(joiningNodeId);
+        DiscoveryDataBag dataBag = new DiscoveryDataBag(joiningNodeId, joiningNodeClient);
 
         if (joiningNodeData != null && !joiningNodeData.isEmpty()) {
             unmarshalledJoiningNodeData = unmarshalData(
@@ -343,11 +346,18 @@ public class DiscoveryDataPacket implements Serializable {
      * (e.g. on nodes prior in cluster to the one where this method is called).
      */
     public DiscoveryDataBag bagForDataCollection() {
-        DiscoveryDataBag dataBag = new DiscoveryDataBag(joiningNodeId, commonData.keySet());
+        DiscoveryDataBag dataBag = new DiscoveryDataBag(joiningNodeId, commonData.keySet(), joiningNodeClient);
 
         if (unmarshalledJoiningNodeData != null)
             dataBag.joiningNodeData(unmarshalledJoiningNodeData);
 
         return dataBag;
     }
+
+    /**
+     * @param joiningNodeClient Joining node is client flag.
+     */
+    public void joiningNodeClient(boolean joiningNodeClient) {
+        this.joiningNodeClient = joiningNodeClient;
+    }
 }

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryServerOnlyCustomEventMessage.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryServerOnlyCustomEventMessage.java b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryServerOnlyCustomEventMessage.java
new file mode 100644
index 0000000..846eaac
--- /dev/null
+++ b/modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/messages/TcpDiscoveryServerOnlyCustomEventMessage.java
@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.spi.discovery.tcp.messages;
+
+import org.apache.ignite.spi.discovery.DiscoverySpiCustomMessage;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.UUID;
+
+/**
+ * Wrapped for custom message that must not be delivered to the client nodes.
+ */
+@TcpDiscoveryEnsureDelivery
+public class TcpDiscoveryServerOnlyCustomEventMessage extends TcpDiscoveryCustomEventMessage {
+    /** */
+    private static final long serialVersionUID = 0L;
+
+    /**
+     * @param creatorNodeId Creator node id.
+     * @param msg Message.
+     * @param msgBytes Serialized message.
+     */
+    public TcpDiscoveryServerOnlyCustomEventMessage(UUID creatorNodeId, @Nullable DiscoverySpiCustomMessage msg,
+        @NotNull byte[] msgBytes) {
+        super(creatorNodeId, msg, msgBytes);
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/mindrot/BCrypt.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/mindrot/BCrypt.java b/modules/core/src/main/java/org/mindrot/BCrypt.java
new file mode 100644
index 0000000..f0817f1
--- /dev/null
+++ b/modules/core/src/main/java/org/mindrot/BCrypt.java
@@ -0,0 +1,783 @@
+/*
+ *
+ *  Copyright (c) 2006 Damien Miller <djm@mindrot.org>
+ *
+ *  Permission to use, copy, modify, and distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+package org.mindrot;
+
+import java.io.UnsupportedEncodingException;
+import java.security.SecureRandom;
+
+/**
+ * BCrypt implements OpenBSD-style Blowfish password hashing using
+ * the scheme described in "A Future-Adaptable Password Scheme" by
+ * Niels Provos and David Mazieres.
+ * <p>
+ * This password hashing system tries to thwart off-line password
+ * cracking using a computationally-intensive hashing algorithm,
+ * based on Bruce Schneier's Blowfish cipher. The work factor of
+ * the algorithm is parameterised, so it can be increased as
+ * computers get faster.
+ * <p>
+ * Usage is really simple. To hash a password for the first time,
+ * call the hashpw method with a random salt, like this:
+ * <p>
+ * <code>
+ * String pw_hash = BCrypt.hashpw(plain_password, BCrypt.gensalt()); <br />
+ * </code>
+ * <p>
+ * To check whether a plaintext password matches one that has been
+ * hashed previously, use the checkpw method:
+ * <p>
+ * <code>
+ * if (BCrypt.checkpw(candidate_password, stored_hash))<br />
+ * &nbsp;&nbsp;&nbsp;&nbsp;System.out.println("It matches");<br />
+ * else<br />
+ * &nbsp;&nbsp;&nbsp;&nbsp;System.out.println("It does not match");<br />
+ * </code>
+ * <p>
+ * The gensalt() method takes an optional parameter (log_rounds)
+ * that determines the computational complexity of the hashing:
+ * <p>
+ * <code>
+ * String strong_salt = BCrypt.gensalt(10)<br />
+ * String stronger_salt = BCrypt.gensalt(12)<br />
+ * </code>
+ * <p>
+ * The amount of work increases exponentially (2**log_rounds), so
+ * each increment is twice as much work. The default log_rounds is
+ * 10, and the valid range is 4 to 30.
+ *
+ * @author Damien Miller
+ * @version 0.4
+ */
+public class BCrypt {
+    // BCrypt parameters
+    private static final int GENSALT_DEFAULT_LOG2_ROUNDS = 10;
+    private static final int BCRYPT_SALT_LEN = 16;
+
+    // Blowfish parameters
+    private static final int BLOWFISH_NUM_ROUNDS = 16;
+
+    // Initial contents of key schedule
+    private static final int P_orig[] = {
+        0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
+        0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
+        0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
+        0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
+        0x9216d5d9, 0x8979fb1b
+    };
+    private static final int S_orig[] = {
+        0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
+        0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
+        0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
+        0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
+        0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
+        0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
+        0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
+        0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
+        0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
+        0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
+        0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
+        0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
+        0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
+        0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
+        0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
+        0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
+        0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
+        0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
+        0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
+        0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
+        0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
+        0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
+        0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
+        0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
+        0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
+        0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
+        0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
+        0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
+        0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
+        0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
+        0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
+        0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
+        0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
+        0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
+        0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
+        0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
+        0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
+        0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
+        0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
+        0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
+        0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
+        0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
+        0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
+        0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
+        0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
+        0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
+        0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
+        0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
+        0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
+        0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
+        0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
+        0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
+        0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
+        0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
+        0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
+        0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
+        0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
+        0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
+        0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
+        0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
+        0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
+        0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
+        0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
+        0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a,
+        0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
+        0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
+        0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
+        0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
+        0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
+        0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
+        0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
+        0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
+        0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
+        0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
+        0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
+        0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
+        0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
+        0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
+        0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
+        0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
+        0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
+        0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
+        0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
+        0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
+        0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
+        0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
+        0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
+        0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
+        0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
+        0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
+        0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
+        0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
+        0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
+        0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
+        0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
+        0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
+        0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
+        0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
+        0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
+        0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
+        0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
+        0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
+        0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
+        0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
+        0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
+        0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
+        0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
+        0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
+        0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
+        0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
+        0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
+        0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
+        0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
+        0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
+        0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
+        0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
+        0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
+        0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
+        0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
+        0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
+        0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
+        0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
+        0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
+        0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
+        0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
+        0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
+        0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
+        0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7,
+        0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
+        0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
+        0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
+        0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
+        0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
+        0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
+        0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
+        0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
+        0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
+        0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
+        0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
+        0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
+        0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
+        0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
+        0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
+        0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
+        0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
+        0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
+        0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
+        0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
+        0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
+        0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
+        0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
+        0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
+        0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
+        0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
+        0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
+        0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
+        0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
+        0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
+        0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
+        0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
+        0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
+        0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
+        0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
+        0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
+        0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
+        0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
+        0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
+        0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
+        0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
+        0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
+        0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
+        0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
+        0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
+        0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
+        0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
+        0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
+        0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
+        0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
+        0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
+        0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
+        0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
+        0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
+        0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
+        0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
+        0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
+        0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
+        0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
+        0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
+        0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
+        0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
+        0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
+        0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0,
+        0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
+        0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
+        0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
+        0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
+        0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
+        0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
+        0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
+        0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
+        0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
+        0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
+        0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
+        0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
+        0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
+        0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
+        0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
+        0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
+        0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
+        0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
+        0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
+        0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
+        0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
+        0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
+        0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
+        0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
+        0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
+        0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
+        0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
+        0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
+        0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
+        0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
+        0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
+        0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
+        0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
+        0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
+        0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
+        0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
+        0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
+        0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
+        0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
+        0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
+        0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
+        0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
+        0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
+        0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
+        0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
+        0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
+        0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
+        0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
+        0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
+        0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
+        0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
+        0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
+        0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
+        0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
+        0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
+        0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
+        0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
+        0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
+        0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
+        0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
+        0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
+        0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
+        0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
+        0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
+    };
+
+    // bcrypt IV: "OrpheanBeholderScryDoubt". The C implementation calls
+    // this "ciphertext", but it is really plaintext or an IV. We keep
+    // the name to make code comparison easier.
+    static private final int bf_crypt_ciphertext[] = {
+        0x4f727068, 0x65616e42, 0x65686f6c,
+        0x64657253, 0x63727944, 0x6f756274
+    };
+
+    // Table for Base64 encoding
+    static private final char base64_code[] = {
+        '.', '/', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
+        'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
+        'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
+        'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+        'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5',
+        '6', '7', '8', '9'
+    };
+
+    // Table for Base64 decoding
+    static private final byte index_64[] = {
+        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+        -1, -1, -1, -1, -1, -1, 0, 1, 54, 55,
+        56, 57, 58, 59, 60, 61, 62, 63, -1, -1,
+        -1, -1, -1, -1, -1, 2, 3, 4, 5, 6,
+        7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
+        17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
+        -1, -1, -1, -1, -1, -1, 28, 29, 30,
+        31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
+        41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
+        51, 52, 53, -1, -1, -1, -1, -1
+    };
+
+    // Expanded Blowfish key
+    private int P[];
+    private int S[];
+
+    /**
+     * Encode a byte array using bcrypt's slightly-modified base64
+     * encoding scheme. Note that this is *not* compatible with
+     * the standard MIME-base64 encoding.
+     *
+     * @param d the byte array to encode
+     * @param len the number of bytes to encode
+     * @throws IllegalArgumentException if the length is invalid
+     */
+    private static String encode_base64(byte d[], int len)
+        throws IllegalArgumentException {
+        int off = 0;
+        StringBuffer rs = new StringBuffer();
+        int c1, c2;
+
+        if (len <= 0 || len > d.length)
+            throw new IllegalArgumentException("Invalid len");
+
+        while (off < len) {
+            c1 = d[off++] & 0xff;
+            rs.append(base64_code[(c1 >> 2) & 0x3f]);
+            c1 = (c1 & 0x03) << 4;
+            if (off >= len) {
+                rs.append(base64_code[c1 & 0x3f]);
+                break;
+            }
+            c2 = d[off++] & 0xff;
+            c1 |= (c2 >> 4) & 0x0f;
+            rs.append(base64_code[c1 & 0x3f]);
+            c1 = (c2 & 0x0f) << 2;
+            if (off >= len) {
+                rs.append(base64_code[c1 & 0x3f]);
+                break;
+            }
+            c2 = d[off++] & 0xff;
+            c1 |= (c2 >> 6) & 0x03;
+            rs.append(base64_code[c1 & 0x3f]);
+            rs.append(base64_code[c2 & 0x3f]);
+        }
+        return rs.toString();
+    }
+
+    /**
+     * Look up the 3 bits base64-encoded by the specified character,
+     * range-checking againt conversion table
+     *
+     * @param x the base64-encoded value
+     */
+    private static byte char64(char x) {
+        if ((int)x < 0 || (int)x > index_64.length)
+            return -1;
+        return index_64[(int)x];
+    }
+
+    /**
+     * Decode a string encoded using bcrypt's base64 scheme to a
+     * byte array. Note that this is *not* compatible with
+     * the standard MIME-base64 encoding.
+     *
+     * @param s the string to decode
+     * @param maxolen the maximum number of bytes to decode
+     * @throws IllegalArgumentException if maxolen is invalid
+     */
+    private static byte[] decode_base64(String s, int maxolen)
+        throws IllegalArgumentException {
+        StringBuffer rs = new StringBuffer();
+        int off = 0, slen = s.length(), olen = 0;
+        byte ret[];
+        byte c1, c2, c3, c4, o;
+
+        if (maxolen <= 0)
+            throw new IllegalArgumentException("Invalid maxolen");
+
+        while (off < slen - 1 && olen < maxolen) {
+            c1 = char64(s.charAt(off++));
+            c2 = char64(s.charAt(off++));
+            if (c1 == -1 || c2 == -1)
+                break;
+            o = (byte)(c1 << 2);
+            o |= (c2 & 0x30) >> 4;
+            rs.append((char)o);
+            if (++olen >= maxolen || off >= slen)
+                break;
+            c3 = char64(s.charAt(off++));
+            if (c3 == -1)
+                break;
+            o = (byte)((c2 & 0x0f) << 4);
+            o |= (c3 & 0x3c) >> 2;
+            rs.append((char)o);
+            if (++olen >= maxolen || off >= slen)
+                break;
+            c4 = char64(s.charAt(off++));
+            o = (byte)((c3 & 0x03) << 6);
+            o |= c4;
+            rs.append((char)o);
+            ++olen;
+        }
+
+        ret = new byte[olen];
+        for (off = 0; off < olen; off++)
+            ret[off] = (byte)rs.charAt(off);
+        return ret;
+    }
+
+    /**
+     * Cycically extract a word of key material
+     *
+     * @param data the string to extract the data from
+     * @param offp a "pointer" (as a one-entry array) to the
+     * current offset into data
+     */
+    private static int streamtoword(byte data[], int offp[]) {
+        int i;
+        int word = 0;
+        int off = offp[0];
+
+        for (i = 0; i < 4; i++) {
+            word = (word << 8) | (data[off] & 0xff);
+            off = (off + 1) % data.length;
+        }
+
+        offp[0] = off;
+        return word;
+    }
+
+    /**
+     * Hash a password using the OpenBSD bcrypt scheme
+     *
+     * @param password the password to hash
+     * @param salt the salt to hash with (perhaps generated
+     * using BCrypt.gensalt)
+     */
+    public static String hashpw(String password, String salt) {
+        BCrypt B;
+        String real_salt;
+        byte passwordb[], saltb[], hashed[];
+        char minor = (char)0;
+        int rounds, off = 0;
+        StringBuffer rs = new StringBuffer();
+
+        if (salt.charAt(0) != '$' || salt.charAt(1) != '2')
+            throw new IllegalArgumentException("Invalid salt version");
+        if (salt.charAt(2) == '$')
+            off = 3;
+        else {
+            minor = salt.charAt(2);
+            if (minor != 'a' || salt.charAt(3) != '$')
+                throw new IllegalArgumentException("Invalid salt revision");
+            off = 4;
+        }
+
+        // Extract number of rounds
+        if (salt.charAt(off + 2) > '$')
+            throw new IllegalArgumentException("Missing salt rounds");
+        rounds = Integer.parseInt(salt.substring(off, off + 2));
+
+        real_salt = salt.substring(off + 3, off + 25);
+        try {
+            passwordb = (password + (minor >= 'a' ? "\000" : "")).getBytes("UTF-8");
+        }
+        catch (UnsupportedEncodingException uee) {
+            throw new AssertionError("UTF-8 is not supported");
+        }
+
+        saltb = decode_base64(real_salt, BCRYPT_SALT_LEN);
+
+        B = new BCrypt();
+        hashed = B.crypt_raw(passwordb, saltb, rounds,
+            (int[])bf_crypt_ciphertext.clone());
+
+        rs.append("$2");
+        if (minor >= 'a')
+            rs.append(minor);
+        rs.append("$");
+        if (rounds < 10)
+            rs.append("0");
+        if (rounds > 30) {
+            throw new IllegalArgumentException(
+                "rounds exceeds maximum (30)");
+        }
+        rs.append(Integer.toString(rounds));
+        rs.append("$");
+        rs.append(encode_base64(saltb, saltb.length));
+        rs.append(encode_base64(hashed,
+            bf_crypt_ciphertext.length * 4 - 1));
+        return rs.toString();
+    }
+
+    /**
+     * Generate a salt for use with the BCrypt.hashpw() method
+     *
+     * @param log_rounds the log2 of the number of rounds of
+     * hashing to apply - the work factor therefore increases as
+     * 2**log_rounds.
+     * @param random an instance of SecureRandom to use
+     */
+    public static String gensalt(int log_rounds, SecureRandom random) {
+        StringBuffer rs = new StringBuffer();
+        byte rnd[] = new byte[BCRYPT_SALT_LEN];
+
+        random.nextBytes(rnd);
+
+        rs.append("$2a$");
+        if (log_rounds < 10)
+            rs.append("0");
+        if (log_rounds > 30) {
+            throw new IllegalArgumentException(
+                "log_rounds exceeds maximum (30)");
+        }
+        rs.append(Integer.toString(log_rounds));
+        rs.append("$");
+        rs.append(encode_base64(rnd, rnd.length));
+        return rs.toString();
+    }
+
+    /**
+     * Generate a salt for use with the BCrypt.hashpw() method
+     *
+     * @param log_rounds the log2 of the number of rounds of
+     * hashing to apply - the work factor therefore increases as
+     * 2**log_rounds.
+     */
+    public static String gensalt(int log_rounds) {
+        return gensalt(log_rounds, new SecureRandom());
+    }
+
+    /**
+     * Generate a salt for use with the BCrypt.hashpw() method,
+     * selecting a reasonable default for the number of hashing
+     * rounds to apply
+     */
+    public static String gensalt() {
+        return gensalt(GENSALT_DEFAULT_LOG2_ROUNDS);
+    }
+
+    /**
+     * Check that a plaintext password matches a previously hashed
+     * one
+     *
+     * @param plaintext the plaintext password to verify
+     * @param hashed the previously-hashed password
+     */
+    public static boolean checkpw(String plaintext, String hashed) {
+        byte hashed_bytes[];
+        byte try_bytes[];
+        try {
+            String try_pw = hashpw(plaintext, hashed);
+            hashed_bytes = hashed.getBytes("UTF-8");
+            try_bytes = try_pw.getBytes("UTF-8");
+        }
+        catch (UnsupportedEncodingException uee) {
+            return false;
+        }
+        if (hashed_bytes.length != try_bytes.length)
+            return false;
+        byte ret = 0;
+        for (int i = 0; i < try_bytes.length; i++)
+            ret |= hashed_bytes[i] ^ try_bytes[i];
+        return ret == 0;
+    }
+
+    /**
+     * Blowfish encipher a single 64-bit block encoded as
+     * two 32-bit halves
+     *
+     * @param lr an array containing the two 32-bit half blocks
+     * @param off the position in the array of the blocks
+     */
+    private final void encipher(int lr[], int off) {
+        int i, n, l = lr[off], r = lr[off + 1];
+
+        l ^= P[0];
+        for (i = 0; i <= BLOWFISH_NUM_ROUNDS - 2; ) {
+            // Feistel substitution on left word
+            n = S[(l >> 24) & 0xff];
+            n += S[0x100 | ((l >> 16) & 0xff)];
+            n ^= S[0x200 | ((l >> 8) & 0xff)];
+            n += S[0x300 | (l & 0xff)];
+            r ^= n ^ P[++i];
+
+            // Feistel substitution on right word
+            n = S[(r >> 24) & 0xff];
+            n += S[0x100 | ((r >> 16) & 0xff)];
+            n ^= S[0x200 | ((r >> 8) & 0xff)];
+            n += S[0x300 | (r & 0xff)];
+            l ^= n ^ P[++i];
+        }
+        lr[off] = r ^ P[BLOWFISH_NUM_ROUNDS + 1];
+        lr[off + 1] = l;
+    }
+
+    /**
+     * Initialise the Blowfish key schedule
+     */
+    private void init_key() {
+        P = (int[])P_orig.clone();
+        S = (int[])S_orig.clone();
+    }
+
+    /**
+     * Key the Blowfish cipher
+     *
+     * @param key an array containing the key
+     */
+    private void key(byte key[]) {
+        int i;
+        int koffp[] = {0};
+        int lr[] = {0, 0};
+        int plen = P.length, slen = S.length;
+
+        for (i = 0; i < plen; i++)
+            P[i] = P[i] ^ streamtoword(key, koffp);
+
+        for (i = 0; i < plen; i += 2) {
+            encipher(lr, 0);
+            P[i] = lr[0];
+            P[i + 1] = lr[1];
+        }
+
+        for (i = 0; i < slen; i += 2) {
+            encipher(lr, 0);
+            S[i] = lr[0];
+            S[i + 1] = lr[1];
+        }
+    }
+
+    /**
+     * Perform the "enhanced key schedule" step described by
+     * Provos and Mazieres in "A Future-Adaptable Password Scheme"
+     * http://www.openbsd.org/papers/bcrypt-paper.ps
+     *
+     * @param data salt information
+     * @param key password information
+     */
+    private void ekskey(byte data[], byte key[]) {
+        int i;
+        int koffp[] = {0}, doffp[] = {0};
+        int lr[] = {0, 0};
+        int plen = P.length, slen = S.length;
+
+        for (i = 0; i < plen; i++)
+            P[i] = P[i] ^ streamtoword(key, koffp);
+
+        for (i = 0; i < plen; i += 2) {
+            lr[0] ^= streamtoword(data, doffp);
+            lr[1] ^= streamtoword(data, doffp);
+            encipher(lr, 0);
+            P[i] = lr[0];
+            P[i + 1] = lr[1];
+        }
+
+        for (i = 0; i < slen; i += 2) {
+            lr[0] ^= streamtoword(data, doffp);
+            lr[1] ^= streamtoword(data, doffp);
+            encipher(lr, 0);
+            S[i] = lr[0];
+            S[i + 1] = lr[1];
+        }
+    }
+
+    /**
+     * Perform the central password hashing step in the
+     * bcrypt scheme
+     *
+     * @param password the password to hash
+     * @param salt the binary salt to hash with the password
+     * @param log_rounds the binary logarithm of the number
+     * of rounds of hashing to apply
+     * @param cdata the plaintext to encrypt
+     */
+    public byte[] crypt_raw(byte password[], byte salt[], int log_rounds,
+        int cdata[]) {
+        int rounds, i, j;
+        int clen = cdata.length;
+        byte ret[];
+
+        if (log_rounds < 4 || log_rounds > 30)
+            throw new IllegalArgumentException("Bad number of rounds");
+        rounds = 1 << log_rounds;
+        if (salt.length != BCRYPT_SALT_LEN)
+            throw new IllegalArgumentException("Bad salt length");
+
+        init_key();
+        ekskey(salt, password);
+        for (i = 0; i != rounds; i++) {
+            key(password);
+            key(salt);
+        }
+
+        for (i = 0; i < 64; i++) {
+            for (j = 0; j < (clen >> 1); j++)
+                encipher(cdata, j << 1);
+        }
+
+        ret = new byte[clen * 4];
+        for (i = 0, j = 0; i < clen; i++) {
+            ret[j++] = (byte)((cdata[i] >> 24) & 0xff);
+            ret[j++] = (byte)((cdata[i] >> 16) & 0xff);
+            ret[j++] = (byte)((cdata[i] >> 8) & 0xff);
+            ret[j++] = (byte)(cdata[i] & 0xff);
+        }
+        return ret;
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/java/org/mindrot/package-info.java
----------------------------------------------------------------------
diff --git a/modules/core/src/main/java/org/mindrot/package-info.java b/modules/core/src/main/java/org/mindrot/package-info.java
new file mode 100644
index 0000000..ce52e4e
--- /dev/null
+++ b/modules/core/src/main/java/org/mindrot/package-info.java
@@ -0,0 +1,16 @@
+/*
+ * Written by Doug Lea with assistance from members of JCP JSR-166
+ * Expert Group and released to the public domain, as explained at
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/**
+ * Package contains class that from jbcrypt.
+ *
+ * The file was imported from the following repository:
+ *  - https://github.com/jeremyh/jBCrypt.git
+ *
+ * For more information please refer to the project page:
+ * http://www.mindrot.org/projects/jBCrypt
+ */
+package org.mindrot;
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/main/resources/META-INF/classnames.properties
----------------------------------------------------------------------
diff --git a/modules/core/src/main/resources/META-INF/classnames.properties b/modules/core/src/main/resources/META-INF/classnames.properties
index 1de3633..f0f143d 100644
--- a/modules/core/src/main/resources/META-INF/classnames.properties
+++ b/modules/core/src/main/resources/META-INF/classnames.properties
@@ -2175,6 +2175,7 @@ org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryNodeLeftMessage
 org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryPingRequest
 org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryPingResponse
 org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryRingLatencyCheckMessage
+org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryServerOnlyCustomEventMessage
 org.apache.ignite.spi.discovery.tcp.messages.TcpDiscoveryStatusCheckMessage
 org.apache.ignite.ssl.SslContextFactory
 org.apache.ignite.startup.BasicWarmupClosure

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/Authentication1kUsersNodeRestartTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/Authentication1kUsersNodeRestartTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/Authentication1kUsersNodeRestartTest.java
new file mode 100644
index 0000000..384cbe8
--- /dev/null
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/Authentication1kUsersNodeRestartTest.java
@@ -0,0 +1,107 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.authentication;
+
+import java.util.concurrent.atomic.AtomicInteger;
+import org.apache.ignite.configuration.DataRegionConfiguration;
+import org.apache.ignite.configuration.DataStorageConfiguration;
+import org.apache.ignite.configuration.IgniteConfiguration;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
+import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder;
+import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
+import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
+
+/**
+ * Test for {@link IgniteAuthenticationProcessor} on unstable topology.
+ */
+public class Authentication1kUsersNodeRestartTest extends GridCommonAbstractTest {
+    /** */
+    private static final TcpDiscoveryIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);
+
+
+    /** {@inheritDoc} */
+    @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
+        IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
+
+        TcpDiscoverySpi spi = new TcpDiscoverySpi();
+
+        spi.setIpFinder(IP_FINDER);
+
+        cfg.setDiscoverySpi(spi);
+
+        cfg.setAuthenticationEnabled(true);
+
+        cfg.setDataStorageConfiguration(new DataStorageConfiguration()
+            .setDefaultDataRegionConfiguration(new DataRegionConfiguration()
+                .setPersistenceEnabled(true)));
+
+        return cfg;
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void beforeTest() throws Exception {
+        super.beforeTest();
+
+        U.resolveWorkDirectory(U.defaultWorkDirectory(), "db", true);
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void afterTest() throws Exception {
+        stopAllGrids();
+
+        super.afterTest();
+    }
+    /**
+     * @throws Exception If failed.
+     */
+    public void test1kUsersNodeRestartServer() throws Exception {
+        final int USERS_COUNT = 1000;
+
+        startGrid(0);
+
+        grid(0).cluster().active(true);
+
+        final AuthorizationContext actxDflt = grid(0).context().authentication().authenticate(User.DFAULT_USER_NAME, "ignite");
+
+        final AtomicInteger usrCnt = new AtomicInteger();
+
+        AuthorizationContext.context(actxDflt);
+
+        for (int i = 0; i < USERS_COUNT; ++i)
+            grid(0).context().authentication().addUser("test" + i, "init");
+
+        usrCnt.set(0);
+
+        for (int i = 0; i < USERS_COUNT; ++i)
+            grid(0).context().authentication().updateUser("test"  + i, "passwd_" + i);
+
+        System.out.println("+++ STOP");
+
+        U.sleep(1000);
+
+        stopGrid(0);
+
+        U.sleep(1000);
+
+        System.out.println("+++ START");
+        startGrid(0);
+
+        AuthorizationContext actx = grid(0).context().authentication().authenticate("ignite", "ignite");
+    }
+}

http://git-wip-us.apache.org/repos/asf/ignite/blob/edef7add/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/AuthenticationConfigurationClusterTest.java
----------------------------------------------------------------------
diff --git a/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/AuthenticationConfigurationClusterTest.java b/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/AuthenticationConfigurationClusterTest.java
new file mode 100644
index 0000000..7d946dc
--- /dev/null
+++ b/modules/core/src/test/java/org/apache/ignite/internal/processors/authentication/AuthenticationConfigurationClusterTest.java
@@ -0,0 +1,204 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.processors.authentication;
+
+import java.util.concurrent.Callable;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.configuration.DataRegionConfiguration;
+import org.apache.ignite.configuration.DataStorageConfiguration;
+import org.apache.ignite.configuration.IgniteConfiguration;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
+import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder;
+import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
+import org.apache.ignite.testframework.GridTestUtils;
+import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
+
+/**
+ * Test for disabled {@link IgniteAuthenticationProcessor}.
+ */
+public class AuthenticationConfigurationClusterTest extends GridCommonAbstractTest {
+    /** */
+    private static final TcpDiscoveryIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);
+
+    /**
+     * @param idx Node index.
+     * @param authEnabled Authentication enabled.
+     * @param client Client node flag.
+     * @return Ignite configuration.
+     * @throws Exception On error.
+     */
+    private IgniteConfiguration configuration(int idx, boolean authEnabled, boolean client) throws Exception {
+        IgniteConfiguration cfg = getConfiguration(getTestIgniteInstanceName(idx));
+
+        cfg.setClientMode(client);
+
+        TcpDiscoverySpi spi = new TcpDiscoverySpi();
+
+        spi.setIpFinder(IP_FINDER);
+
+        cfg.setDiscoverySpi(spi);
+
+        cfg.setAuthenticationEnabled(authEnabled);
+
+        cfg.setDataStorageConfiguration(new DataStorageConfiguration()
+            .setDefaultDataRegionConfiguration(new DataRegionConfiguration()
+                .setPersistenceEnabled(true)));
+
+        return cfg;
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void afterTest() throws Exception {
+        stopAllGrids();
+
+        super.afterTest();
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void beforeTest() throws Exception {
+        super.beforeTest();
+
+        U.resolveWorkDirectory(U.defaultWorkDirectory(), "db", true);
+    }
+
+    /**
+     * @throws Exception If failed.
+     */
+    public void testServerNodeJoinDisabled() throws Exception {
+        checkNodeJoinDisabled(false);
+    }
+
+    /**
+     * @throws Exception If failed.
+     */
+    public void testClientNodeJoinDisabled() throws Exception {
+        checkNodeJoinDisabled(true);
+    }
+
+    /**
+     * @throws Exception If failed.
+     */
+    public void testServerNodeJoinEnabled() throws Exception {
+        checkNodeJoinEnabled(false);
+    }
+
+    /**
+     * @throws Exception If failed.
+     */
+    public void testClientNodeJoinEnabled() throws Exception {
+        checkNodeJoinEnabled(true);
+    }
+
+    /**
+     * @param client Is joining node client.
+     * @throws Exception If failed.
+     */
+    private void checkNodeJoinDisabled(boolean client) throws Exception {
+        startGrid(configuration(0, true, false));
+
+        startGrid(configuration(1, false, client));
+
+        grid(0).cluster().active(true);
+
+        AuthorizationContext actx = grid(1).context().authentication().authenticate("ignite", "ignite");
+
+        assertNotNull(actx);
+
+        assertEquals("ignite", actx.userName());
+    }
+
+    /**
+     * @param client Is joining node client.
+     * @throws Exception If failed.
+     */
+    private void checkNodeJoinEnabled(boolean client) throws Exception {
+        startGrid(configuration(0, false, false));
+
+        GridTestUtils.assertThrows(log, new Callable<Object>() {
+                @Override public Object call() throws Exception {
+                    startGrid(configuration(1, true, client));
+
+                    return null;
+                }
+            },
+            IgniteCheckedException.class,
+            "User authentication is disabled on cluster");
+    }
+
+    /**
+     * @throws Exception If failed.
+     */
+    public void testDisabledAuthentication() throws Exception {
+        startGrid(configuration(0, false, false));
+
+        grid(0).cluster().active(true);
+
+        GridTestUtils.assertThrows(log, new Callable<Object>() {
+                @Override public Object call() throws Exception {
+                    grid(0).context().authentication().addUser("test", "test");
+
+                    return null;
+                }
+            }, IgniteException.class,
+            "Can not perform the operation because the authentication is not enabled for the cluster");
+
+        GridTestUtils.assertThrows(log, new Callable<Object>() {
+                @Override public Object call() throws Exception {
+                    grid(0).context().authentication().removeUser("test");
+
+                    return null;
+                }
+            }, IgniteException.class,
+            "Can not perform the operation because the authentication is not enabled for the cluster");
+
+        GridTestUtils.assertThrows(log, new Callable<Object>() {
+                @Override public Object call() throws Exception {
+                    grid(0).context().authentication().updateUser("test", "test");
+
+                    return null;
+                }
+            }, IgniteException.class,
+            "Can not perform the operation because the authentication is not enabled for the cluster");
+
+        GridTestUtils.assertThrows(log, new Callable<Object>() {
+                @Override public Object call() throws Exception {
+                    grid(0).context().authentication().authenticate("test", "test");
+
+                    return null;
+                }
+            }, IgniteException.class,
+            "Can not perform the operation because the authentication is not enabled for the cluster");
+    }
+
+    /**
+     * @throws Exception If failed.
+     */
+    public void testEnableAuthenticationWithoutPersistence() throws Exception {
+        GridTestUtils.assertThrowsAnyCause(log, new Callable<Object>() {
+                @Override public Object call() throws Exception {
+                    startGrid(configuration(0, true, false).setDataStorageConfiguration(null));
+
+                    return null;
+                }
+            },
+            IgniteCheckedException.class,
+            "Authentication can be enabled only for cluster with enabled persistence");
+    }
+}


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