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From dran...@apache.org
Subject [21/50] [abbrv] directory-kerberos git commit: Many changes with newname
Date Thu, 22 Jan 2015 00:56:45 GMT
http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/EncTicketPart.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/EncTicketPart.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/EncTicketPart.java
new file mode 100644
index 0000000..86d0e33
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/EncTicketPart.java
@@ -0,0 +1,164 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.ticket;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.kerberos.kerb.spec.KerberosString;
+import org.apache.kerby.kerberos.kerb.spec.KerberosTime;
+import org.apache.kerby.kerberos.kerb.spec.KrbAppSequenceType;
+import org.apache.kerby.kerberos.kerb.spec.common.*;
+
+/**
+ -- Encrypted part of ticket
+ EncTicketPart   ::= [APPLICATION 3] SEQUENCE {
+ flags                   [0] TicketFlags,
+ key                     [1] EncryptionKey,
+ crealm                  [2] Realm,
+ cname                   [3] PrincipalName,
+ transited               [4] TransitedEncoding,
+ authtime                [5] KerberosTime,
+ starttime               [6] KerberosTime OPTIONAL,
+ endtime                 [7] KerberosTime,
+ renew-till              [8] KerberosTime OPTIONAL,
+ caddr                   [9] HostAddresses OPTIONAL,
+ authorization-data      [10] AuthorizationData OPTIONAL
+ }
+ */
+public class EncTicketPart extends KrbAppSequenceType {
+    public static final int TAG = 3;
+
+    private static int FLAGS = 0;
+    private static int KEY = 1;
+    private static int CREALM = 2;
+    private static int CNAME = 3;
+    private static int TRANSITED = 4;
+    private static int AUTHTIME = 5;
+    private static int STARTTIME = 6;
+    private static int ENDTIME = 7;
+    private static int RENEW_TILL = 8;
+    private static int CADDR = 9;
+    private static int AUTHORIZATION_DATA = 10;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(FLAGS, 0, TicketFlags.class),
+            new Asn1FieldInfo(KEY, 1, EncryptionKey.class),
+            new Asn1FieldInfo(CREALM, 2, KerberosString.class),
+            new Asn1FieldInfo(CNAME, 3, PrincipalName.class),
+            new Asn1FieldInfo(TRANSITED, 4, TransitedEncoding.class),
+            new Asn1FieldInfo(AUTHTIME, 5, KerberosTime.class),
+            new Asn1FieldInfo(STARTTIME, 6, KerberosTime.class),
+            new Asn1FieldInfo(ENDTIME, 7, KerberosTime.class),
+            new Asn1FieldInfo(ENDTIME, 8, KerberosTime.class),
+            new Asn1FieldInfo(CADDR, 9, HostAddresses.class),
+            new Asn1FieldInfo(AUTHORIZATION_DATA, 10, AuthorizationData.class)
+    };
+
+    public EncTicketPart() {
+        super(TAG, fieldInfos);
+    }
+
+    public TicketFlags getFlags() {
+        return getFieldAs(FLAGS, TicketFlags.class);
+    }
+
+    public void setFlags(TicketFlags flags) {
+        setFieldAs(FLAGS, flags);
+    }
+
+    public EncryptionKey getKey() {
+        return getFieldAs(KEY, EncryptionKey.class);
+    }
+
+    public void setKey(EncryptionKey key) {
+        setFieldAs(KEY, key);
+    }
+
+    public String getCrealm() {
+        return getFieldAsString(CREALM);
+    }
+
+    public void setCrealm(String crealm) {
+        setFieldAsString(CREALM, crealm);
+    }
+
+    public PrincipalName getCname() {
+        return getFieldAs(CNAME, PrincipalName.class);
+    }
+
+    public void setCname(PrincipalName cname) {
+        setFieldAs(CNAME, cname);
+    }
+
+    public TransitedEncoding getTransited() {
+        return getFieldAs(TRANSITED, TransitedEncoding.class);
+    }
+
+    public void setTransited(TransitedEncoding transited) {
+        setFieldAs(TRANSITED, transited);
+    }
+
+    public KerberosTime getAuthTime() {
+        return getFieldAs(AUTHTIME, KerberosTime.class);
+    }
+
+    public void setAuthTime(KerberosTime authTime) {
+        setFieldAs(AUTHTIME, authTime);
+    }
+
+    public KerberosTime getStartTime() {
+        return getFieldAs(STARTTIME, KerberosTime.class);
+    }
+
+    public void setStartTime(KerberosTime startTime) {
+        setFieldAs(STARTTIME, startTime);
+    }
+
+    public KerberosTime getEndTime() {
+        return getFieldAs(ENDTIME, KerberosTime.class);
+    }
+
+    public void setEndTime(KerberosTime endTime) {
+        setFieldAs(ENDTIME, endTime);
+    }
+
+    public KerberosTime getRenewtill() {
+        return getFieldAs(RENEW_TILL, KerberosTime.class);
+    }
+
+    public void setRenewtill(KerberosTime renewtill) {
+        setFieldAs(RENEW_TILL, renewtill);
+    }
+
+    public HostAddresses getClientAddresses() {
+        return getFieldAs(CADDR, HostAddresses.class);
+    }
+
+    public void setClientAddresses(HostAddresses clientAddresses) {
+        setFieldAs(CADDR, clientAddresses);
+    }
+
+    public AuthorizationData getAuthorizationData() {
+        return getFieldAs(AUTHORIZATION_DATA, AuthorizationData.class);
+    }
+
+    public void setAuthorizationData(AuthorizationData authorizationData) {
+        setFieldAs(AUTHORIZATION_DATA, authorizationData);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/ServiceTicket.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/ServiceTicket.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/ServiceTicket.java
new file mode 100644
index 0000000..f081b41
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/ServiceTicket.java
@@ -0,0 +1,28 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.ticket;
+
+import org.apache.kerby.kerberos.kerb.spec.kdc.EncTgsRepPart;
+
+public class ServiceTicket extends AbstractServiceTicket {
+    public ServiceTicket(Ticket ticket, EncTgsRepPart encKdcRepPart) {
+        super(ticket, encKdcRepPart);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TgtTicket.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TgtTicket.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TgtTicket.java
new file mode 100644
index 0000000..a530856
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TgtTicket.java
@@ -0,0 +1,36 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.ticket;
+
+import org.apache.kerby.kerberos.kerb.spec.common.PrincipalName;
+import org.apache.kerby.kerberos.kerb.spec.kdc.EncAsRepPart;
+
+public class TgtTicket extends AbstractServiceTicket {
+    private PrincipalName clientPrincipal;
+
+    public TgtTicket(Ticket ticket, EncAsRepPart encKdcRepPart, String clientPrincipal) {
+        super(ticket, encKdcRepPart);
+        this.clientPrincipal = new PrincipalName(clientPrincipal);
+    }
+
+    public PrincipalName getClientPrincipal() {
+        return clientPrincipal;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Ticket.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Ticket.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Ticket.java
new file mode 100644
index 0000000..543b02d
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Ticket.java
@@ -0,0 +1,99 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.ticket;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.kerberos.kerb.KrbConstant;
+import org.apache.kerby.kerberos.kerb.spec.KerberosString;
+import org.apache.kerby.kerberos.kerb.spec.KrbAppSequenceType;
+import org.apache.kerby.kerberos.kerb.spec.common.EncryptedData;
+import org.apache.kerby.kerberos.kerb.spec.common.PrincipalName;
+
+/**
+ Ticket          ::= [APPLICATION 1] SEQUENCE {
+ tkt-vno         [0] INTEGER (5),
+ realm           [1] Realm,
+ sname           [2] PrincipalName,
+ enc-part        [3] EncryptedData -- EncTicketPart
+ }
+ */
+public class Ticket extends KrbAppSequenceType {
+    public static final int TKT_KVNO = KrbConstant.KRB_V5;
+    public static final int TAG = 1;
+
+    private static int TKT_VNO = 0;
+    private static int REALM = 1;
+    private static int SNAME = 2;
+    private static int ENC_PART = 3;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(TKT_VNO, 0, Asn1Integer.class),
+            new Asn1FieldInfo(REALM, 1, KerberosString.class),
+            new Asn1FieldInfo(SNAME, 2, PrincipalName.class),
+            new Asn1FieldInfo(ENC_PART, 3, EncryptedData.class)
+    };
+
+    public Ticket() {
+        super(TAG, fieldInfos);
+        setTktKvno(TKT_KVNO);
+    }
+
+    private EncTicketPart encPart;
+
+    public int getTktvno() {
+        return getFieldAsInt(TKT_VNO);
+    }
+
+    public void setTktKvno(int kvno) {
+        setFieldAsInt(TKT_VNO, kvno);
+    }
+    public PrincipalName getSname() {
+        return getFieldAs(SNAME, PrincipalName.class);
+    }
+
+    public void setSname(PrincipalName sname) {
+        setFieldAs(SNAME, sname);
+    }
+
+    public String getRealm() {
+        return getFieldAsString(REALM);
+    }
+
+    public void setRealm(String realm) {
+        setFieldAs(REALM, new KerberosString(realm));
+    }
+
+    public EncryptedData getEncryptedEncPart() {
+        return getFieldAs(ENC_PART, EncryptedData.class);
+    }
+
+    public void setEncryptedEncPart(EncryptedData encryptedEncPart) {
+        setFieldAs(ENC_PART, encryptedEncPart);
+    }
+
+    public EncTicketPart getEncPart() {
+        return encPart;
+    }
+
+    public void setEncPart(EncTicketPart encPart) {
+        this.encPart = encPart;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlag.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlag.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlag.java
new file mode 100644
index 0000000..b9de3c8
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlag.java
@@ -0,0 +1,62 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.ticket;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum TicketFlag implements KrbEnum {
+    NONE(-1),
+    FORWARDABLE(0x40000000),
+    FORWARDED(0x20000000),
+    PROXIABLE(0x10000000),
+    PROXY(0x08000000),
+    MAY_POSTDATE(0x04000000),
+    POSTDATED(0x02000000),
+    INVALID(0x01000000),
+    RENEWABLE(0x00800000),
+    INITIAL(0x00400000),
+    PRE_AUTH(0x00200000),
+    HW_AUTH(0x00100000),
+    TRANSIT_POLICY_CHECKED(  0x00080000),
+    OK_AS_DELEGATE(0x00040000),
+    ENC_PA_REP(0x00010000),
+    ANONYMOUS(0x00008000);
+
+    private final int value;
+
+    private TicketFlag(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static TicketFlag fromValue(int value) {
+        for (KrbEnum e : values()) {
+            if (e.getValue() == value) {
+                return (TicketFlag) e;
+            }
+        }
+
+        return NONE;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlags.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlags.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlags.java
new file mode 100644
index 0000000..4bbadf2
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/TicketFlags.java
@@ -0,0 +1,39 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.ticket;
+
+import org.apache.kerby.kerberos.kerb.spec.common.KrbFlags;
+
+import static org.apache.kerby.kerberos.kerb.spec.ticket.TicketFlag.INVALID;
+
+public class TicketFlags extends KrbFlags {
+
+    public TicketFlags() {
+        this(0);
+    }
+
+    public TicketFlags(int value) {
+        setFlags(value);
+    }
+
+    public boolean isInvalid() {
+        return isFlagSet(INVALID.getValue());
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Tickets.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Tickets.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Tickets.java
new file mode 100644
index 0000000..a7acef0
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/ticket/Tickets.java
@@ -0,0 +1,29 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.ticket;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceOfType;
+
+/**
+ SEQUENCE OF Ticket
+ */
+public class Tickets extends KrbSequenceOfType<Ticket> {
+
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/AlgorithmIdentifier.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/AlgorithmIdentifier.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/AlgorithmIdentifier.java
new file mode 100644
index 0000000..369b99a
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/AlgorithmIdentifier.java
@@ -0,0 +1,58 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.x509;
+
+import org.apache.kerby.asn1.type.*;
+
+/**
+ AlgorithmIdentifier  ::=  SEQUENCE  {
+     algorithm               OBJECT IDENTIFIER,
+     parameters              ANY DEFINED BY algorithm OPTIONAL
+ }
+ */
+public class AlgorithmIdentifier extends Asn1SequenceType {
+    private static int ALGORITHM = 0;
+    private static int PARAMETERS = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ALGORITHM, -1, Asn1ObjectIdentifier.class),
+            new Asn1FieldInfo(PARAMETERS, -1, Asn1Any.class)
+    };
+
+    public AlgorithmIdentifier() {
+        super(fieldInfos);
+    }
+
+    public Asn1ObjectIdentifier getAlgorithm() {
+        return getFieldAs(ALGORITHM, Asn1ObjectIdentifier.class);
+    }
+
+    public void setAlgorithm(Asn1ObjectIdentifier algorithm) {
+        setFieldAs(ALGORITHM, algorithm);
+    }
+
+    public Asn1Type getParameters() {
+        return getFieldAsAny(PARAMETERS);
+    }
+
+    public void setParameters(Asn1Type parameters) {
+        setFieldAsAny(PARAMETERS, parameters);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/SubjectPublicKeyInfo.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/SubjectPublicKeyInfo.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/SubjectPublicKeyInfo.java
new file mode 100644
index 0000000..f69345f
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/x509/SubjectPublicKeyInfo.java
@@ -0,0 +1,60 @@
+/**
+ *  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.kerby.kerberos.kerb.spec.x509;
+
+import org.apache.kerby.asn1.type.Asn1BitString;
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1SequenceType;
+
+/**
+ SubjectPublicKeyInfo  ::=  SEQUENCE  {
+     algorithm            AlgorithmIdentifier,
+     subjectPublicKey     BIT STRING
+ }
+ */
+public class SubjectPublicKeyInfo extends Asn1SequenceType {
+    private static int ALGORITHM = 0;
+    private static int SUBJECT_PUBLIC_KEY = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ALGORITHM, -1, AlgorithmIdentifier.class),
+            new Asn1FieldInfo(SUBJECT_PUBLIC_KEY, -1, Asn1BitString.class)
+    };
+
+    public SubjectPublicKeyInfo() {
+        super(fieldInfos);
+    }
+
+    public AlgorithmIdentifier getAlgorithm() {
+        return getFieldAs(ALGORITHM, AlgorithmIdentifier.class);
+    }
+
+    public void setAlgorithm(AlgorithmIdentifier algorithm) {
+        setFieldAs(ALGORITHM, algorithm);
+    }
+
+    public byte[] getSubjectPubKey() {
+        return getFieldAsOctets(SUBJECT_PUBLIC_KEY);
+    }
+
+    public void setSubjectPubKey(byte[] subjectPubKey) {
+        setFieldAs(SUBJECT_PUBLIC_KEY, new Asn1BitString(subjectPubKey));
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/pom.xml
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/pom.xml b/kerby-kerb/kerb-crypto/pom.xml
new file mode 100644
index 0000000..ed7e8f5
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/pom.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed 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. See accompanying LICENSE file.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache.kerby</groupId>
+    <artifactId>kerby-kerb</artifactId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>kerb-crypto</artifactId>
+
+  <name>Kerby-kerb Crypto</name>
+  <description>Kerby-kerb Crypto facility</description>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.kerby</groupId>
+      <artifactId>kerby-util</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+
+    <dependency>
+      <groupId>org.apache.kerby</groupId>
+      <artifactId>kerb-core</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+  </dependencies>
+</project>

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/AbstractCryptoTypeHandler.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/AbstractCryptoTypeHandler.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/AbstractCryptoTypeHandler.java
new file mode 100644
index 0000000..76d6a61
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/AbstractCryptoTypeHandler.java
@@ -0,0 +1,68 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+import org.apache.kerby.kerberos.kerb.crypto.cksum.HashProvider;
+import org.apache.kerby.kerberos.kerb.crypto.enc.EncryptProvider;
+
+import java.util.Arrays;
+
+public abstract class AbstractCryptoTypeHandler implements CryptoTypeHandler {
+
+    private EncryptProvider encProvider;
+    private HashProvider hashProvider;
+
+    public AbstractCryptoTypeHandler(EncryptProvider encProvider,
+                                     HashProvider hashProvider) {
+        this.encProvider = encProvider;
+        this.hashProvider = hashProvider;
+    }
+
+    @Override
+    public EncryptProvider encProvider() {
+        return encProvider;
+    }
+
+    @Override
+    public HashProvider hashProvider() {
+        return hashProvider;
+    }
+
+    protected static boolean checksumEqual(byte[] cksum1, byte[] cksum2) {
+        return Arrays.equals(cksum1, cksum2);
+    }
+
+    protected static boolean checksumEqual(byte[] cksum1, byte[] cksum2, int cksum2Start, int len) {
+        if (cksum1 == cksum2)
+            return true;
+        if (cksum1 == null || cksum2 == null)
+            return false;
+
+        if (len <= cksum2.length && len <= cksum1.length) {
+            for (int i = 0; i < len; i++)
+                if (cksum1[i] != cksum2[cksum2Start + i])
+                    return false;
+        } else {
+            return false;
+        }
+
+        return true;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/BytesUtil.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/BytesUtil.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/BytesUtil.java
new file mode 100644
index 0000000..43ddfe8
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/BytesUtil.java
@@ -0,0 +1,183 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+public class BytesUtil {
+
+    public static short bytes2short(byte[] bytes, int offset, boolean bigEndian) {
+        short val = 0;
+
+        if (bigEndian) {
+            val += (bytes[offset + 0] & 0xff) << 8;
+            val += (bytes[offset + 1] & 0xff);
+        } else {
+            val += (bytes[offset + 1] & 0xff) << 8;
+            val += (bytes[offset + 0] & 0xff);
+        }
+
+        return val;
+    }
+
+    public static short bytes2short(byte[] bytes, boolean bigEndian) {
+        return bytes2short(bytes, 0, bigEndian);
+    }
+
+    public static byte[] short2bytes(int val, boolean bigEndian) {
+        byte[] bytes = new byte[2];
+
+        short2bytes(val, bytes, 0, bigEndian);
+
+        return bytes;
+    }
+
+    public static void short2bytes(int val, byte[] bytes, int offset, boolean bigEndian) {
+        if (bigEndian) {
+            bytes[offset + 0] = (byte) ((val >> 8) & 0xff);
+            bytes[offset + 1] = (byte) ((val) & 0xff);
+        } else {
+            bytes[offset + 1] = (byte) ((val >>  8) & 0xff);
+            bytes[offset + 0] = (byte) ((val      ) & 0xff);
+        }
+    }
+
+    public static int bytes2int(byte[] bytes, boolean bigEndian) {
+        return bytes2int(bytes, 0, bigEndian);
+    }
+
+    public static int bytes2int(byte[] bytes, int offset, boolean bigEndian) {
+        int val = 0;
+
+        if (bigEndian) {
+            val += (bytes[offset + 0] & 0xff) << 24;
+            val += (bytes[offset + 1] & 0xff) << 16;
+            val += (bytes[offset + 2] & 0xff) << 8;
+            val += (bytes[offset + 3] & 0xff);
+        } else {
+            val += (bytes[offset + 3] & 0xff) << 24;
+            val += (bytes[offset + 2] & 0xff) << 16;
+            val += (bytes[offset + 1] & 0xff) << 8;
+            val += (bytes[offset + 0] & 0xff);
+        }
+
+        return val;
+    }
+
+    public static byte[] int2bytes(int val, boolean bigEndian) {
+        byte[] bytes = new byte[4];
+
+        int2bytes(val, bytes, 0, bigEndian);
+
+        return bytes;
+    }
+
+    public static void int2bytes(int val, byte[] bytes, int offset, boolean bigEndian) {
+        if (bigEndian) {
+            bytes[offset + 0] = (byte) ((val >> 24) & 0xff);
+            bytes[offset + 1] = (byte) ((val >> 16) & 0xff);
+            bytes[offset + 2] = (byte) ((val >> 8) & 0xff);
+            bytes[offset + 3] = (byte) ((val) & 0xff);
+        } else {
+            bytes[offset + 3] = (byte) ((val >> 24) & 0xff);
+            bytes[offset + 2] = (byte) ((val >> 16) & 0xff);
+            bytes[offset + 1] = (byte) ((val >> 8) & 0xff);
+            bytes[offset + 0] = (byte) ((val) & 0xff);
+        }
+    }
+
+    public static byte[] long2bytes(long val, boolean bigEndian) {
+        byte[] bytes = new byte[8];
+        long2bytes(val, bytes, 0, bigEndian);
+        return bytes;
+    }
+
+    public static void long2bytes(long val, byte[] bytes, int offset, boolean bigEndian) {
+        if (bigEndian) {
+            for (int i = 0; i < 8; i++) {
+                bytes[i + offset] = (byte) ((val >> ((7 - i) * 8)) & 0xffL);
+            }
+        } else {
+            for (int i = 0; i < 8; i++) {
+                bytes[i + offset] = (byte) ((val >> (i * 8)) & 0xffL);
+            }
+        }
+    }
+
+    public static long bytes2long(byte[] bytes, boolean bigEndian) {
+        return bytes2long(bytes, 0, bigEndian);
+    }
+
+    public static long bytes2long(byte[] bytes, int offset, boolean bigEndian) {
+        long val = 0;
+
+        if (bigEndian) {
+            for (int i = 0; i < 8; i++) {
+                val |= (((long) bytes[i + offset]) & 0xffL) << ((7 - i) * 8);
+            }
+        } else {
+            for (int i = 0; i < 8; i++) {
+                val |= (((long) bytes[i + offset]) & 0xffL) << (i * 8);
+            }
+        }
+
+        return val;
+    }
+
+    public static byte[] padding(byte[] data, int block) {
+        int len = data.length;
+        int paddingLen = len % block != 0 ? 8 - len % block : 0;
+        if (paddingLen == 0) {
+            return data;
+        }
+
+        byte[] result = new byte[len + + paddingLen];
+        System.arraycopy(data, 0, result, 0, len);
+        return result;
+    }
+
+    public static byte[] duplicate(byte[] bytes) {
+        return duplicate(bytes, 0, bytes.length);
+    }
+
+    public static byte[] duplicate(byte[] bytes, int offset, int len) {
+        byte[] dup = new byte[len];
+        System.arraycopy(bytes, offset, dup, 0, len);
+        return dup;
+    }
+
+    public static void xor(byte[] input, int offset, byte[] output) {
+        int a, b;
+        for (int i = 0; i < output.length / 4; ++i) {
+            a = BytesUtil.bytes2int(input, offset + i * 4, true);
+            b = BytesUtil.bytes2int(output, i * 4, true);
+            b = a ^ b;
+            BytesUtil.int2bytes(b, output, i * 4, true);
+        }
+    }
+
+    public static void xor(byte[] a, byte[] b, byte[] output) {
+        int av, bv, v;
+        for (int i = 0; i < a.length / 4; ++i) {
+            av = BytesUtil.bytes2int(a, i * 4, true);
+            bv = BytesUtil.bytes2int(b, i * 4, true);
+            v = av ^ bv;
+            BytesUtil.int2bytes(v, output, i * 4, true);
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Camellia.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Camellia.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Camellia.java
new file mode 100644
index 0000000..3737e9d
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Camellia.java
@@ -0,0 +1,250 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+/**
+ * Camellia - based on RFC 3713, about half the size of CamelliaEngine.
+ *
+ * This is based on CamelliaEngine.java from bouncycastle library.
+ */
+
+public class Camellia {
+    private static final int BLOCK_SIZE = 16;
+    private int[] state = new int[4]; // for encryption and decryption
+
+    private CamelliaKey camKey;
+
+    public void setKey(boolean forEncryption, byte[] key) {
+        camKey = new CamelliaKey(key, forEncryption);
+    }
+
+    private void process128Block(byte[] in, int inOff,
+                                byte[] out, int outOff) {
+        for (int i = 0; i < 4; i++) {
+            state[i] = BytesUtil.bytes2int(in, inOff + (i * 4), true);
+            state[i] ^= camKey.kw[i];
+        }
+
+        camKey.f2(state, camKey.subkey, 0);
+        camKey.f2(state, camKey.subkey, 4);
+        camKey.f2(state, camKey.subkey, 8);
+        camKey.fls(state, camKey.ke, 0);
+        camKey.f2(state, camKey.subkey, 12);
+        camKey.f2(state, camKey.subkey, 16);
+        camKey.f2(state, camKey.subkey, 20);
+        camKey.fls(state, camKey.ke, 4);
+        camKey.f2(state, camKey.subkey, 24);
+        camKey.f2(state, camKey.subkey, 28);
+        camKey.f2(state, camKey.subkey, 32);
+
+        state[2] ^= camKey.kw[4];
+        state[3] ^= camKey.kw[5];
+        state[0] ^= camKey.kw[6];
+        state[1] ^= camKey.kw[7];
+
+        BytesUtil.int2bytes(state[2], out, outOff, true);
+        BytesUtil.int2bytes(state[3], out, outOff + 4, true);
+        BytesUtil.int2bytes(state[0], out, outOff + 8, true);
+        BytesUtil.int2bytes(state[1], out, outOff + 12, true);
+    }
+
+    private void processBlockLargerBlock(byte[] in, int inOff,
+                                        byte[] out, int outOff) {
+        for (int i = 0; i < 4; i++) {
+            state[i] = BytesUtil.bytes2int(in, inOff + (i * 4), true);
+            state[i] ^= camKey.kw[i];
+        }
+
+        camKey.f2(state, camKey.subkey, 0);
+        camKey.f2(state, camKey.subkey, 4);
+        camKey.f2(state, camKey.subkey, 8);
+        camKey.fls(state, camKey.ke, 0);
+        camKey.f2(state, camKey.subkey, 12);
+        camKey.f2(state, camKey.subkey, 16);
+        camKey.f2(state, camKey.subkey, 20);
+        camKey.fls(state, camKey.ke, 4);
+        camKey.f2(state, camKey.subkey, 24);
+        camKey.f2(state, camKey.subkey, 28);
+        camKey.f2(state, camKey.subkey, 32);
+        camKey.fls(state, camKey.ke, 8);
+        camKey.f2(state, camKey.subkey, 36);
+        camKey.f2(state, camKey.subkey, 40);
+        camKey.f2(state, camKey.subkey, 44);
+
+        state[2] ^= camKey.kw[4];
+        state[3] ^= camKey.kw[5];
+        state[0] ^= camKey.kw[6];
+        state[1] ^= camKey.kw[7];
+
+        BytesUtil.int2bytes(state[2], out, outOff, true);
+        BytesUtil.int2bytes(state[3], out, outOff + 4, true);
+        BytesUtil.int2bytes(state[0], out, outOff + 8, true);
+        BytesUtil.int2bytes(state[1], out, outOff + 12, true);
+    }
+
+    public void processBlock(byte[] in, int inOff) {
+        byte[] out = new byte[BLOCK_SIZE];
+
+        if (camKey.is128()) {
+            process128Block(in, inOff, out, 0);
+        } else {
+            processBlockLargerBlock(in, inOff, out, 0);
+        }
+
+        System.arraycopy(out, 0, in, inOff, BLOCK_SIZE);
+    }
+
+    public void encrypt(byte[] data, byte[] iv) {
+        byte[] cipher = new byte[BLOCK_SIZE];
+        byte[] cipherState = new byte[BLOCK_SIZE];
+
+        int blocksNum = (data.length + BLOCK_SIZE - 1) / BLOCK_SIZE;
+        int lastBlockLen = data.length - (blocksNum - 1) * BLOCK_SIZE;
+        if (blocksNum == 1) {
+            cbcEnc(data, 0, 1, cipherState);
+            return;
+        }
+
+        if (iv != null) {
+            System.arraycopy(iv, 0, cipherState, 0, BLOCK_SIZE);
+        }
+
+        int contBlocksNum, offset = 0;
+        while (blocksNum > 2) {
+            contBlocksNum = (data.length - offset) / BLOCK_SIZE;
+            if (contBlocksNum > 0) {
+                // Encrypt a series of contiguous blocks in place if we can, but
+                // don't touch the last two blocks.
+                contBlocksNum = (contBlocksNum > blocksNum - 2) ? blocksNum - 2 : contBlocksNum;
+                cbcEnc(data, offset, contBlocksNum, cipherState);
+                offset += contBlocksNum * BLOCK_SIZE;
+                blocksNum -= contBlocksNum;
+            } else {
+                cbcEnc(data, offset, 1, cipherState);
+                offset += BLOCK_SIZE;
+                blocksNum--;
+            }
+        }
+
+        // Encrypt the last two blocks and store the results in reverse order
+        byte[] blockN2 = new byte[BLOCK_SIZE];
+        byte[] blockN1 = new byte[BLOCK_SIZE];
+
+        System.arraycopy(data, offset, blockN2, 0, BLOCK_SIZE);
+        cbcEnc(blockN2, 0, 1, cipherState);
+        System.arraycopy(data, offset + BLOCK_SIZE, blockN1, 0, lastBlockLen);
+        cbcEnc(blockN1, 0, 1, cipherState);
+
+        System.arraycopy(blockN1, 0, data, offset, BLOCK_SIZE);
+        System.arraycopy(blockN2, 0, data, offset + BLOCK_SIZE, lastBlockLen);
+
+        if (iv != null) {
+            System.arraycopy(cipherState, 0, iv, 0, BLOCK_SIZE);
+        }
+    }
+
+    public void decrypt(byte[] data, byte[] iv) {
+        byte[] cipher = new byte[BLOCK_SIZE];
+        byte[] cipherState = new byte[BLOCK_SIZE];
+
+        int blocksNum = (data.length + BLOCK_SIZE - 1) / BLOCK_SIZE;
+        int lastBlockLen = data.length - (blocksNum - 1) * BLOCK_SIZE;
+        if (blocksNum == 1) {
+            cbcDec(data, 0, 1, cipherState);
+            return;
+        }
+
+        if (iv != null) {
+            System.arraycopy(iv, 0, cipherState, 0, BLOCK_SIZE);
+        }
+
+        int contBlocksNum, offset = 0;
+        while (blocksNum > 2) {
+            contBlocksNum = (data.length - offset) / BLOCK_SIZE;
+            if (contBlocksNum > 0) {
+                // Decrypt a series of contiguous blocks in place if we can, but
+                // don't touch the last two blocks.
+                contBlocksNum = (contBlocksNum > blocksNum - 2) ? blocksNum - 2 : contBlocksNum;
+                cbcDec(data, offset, contBlocksNum, cipherState);
+                offset += contBlocksNum * BLOCK_SIZE;
+                blocksNum -= contBlocksNum;
+            } else {
+                cbcDec(data, offset, 1, cipherState);
+                offset += BLOCK_SIZE;
+                blocksNum--;
+            }
+        }
+
+        // Decrypt the last two blocks
+        byte[] blockN2 = new byte[BLOCK_SIZE];
+        byte[] blockN1 = new byte[BLOCK_SIZE];
+        System.arraycopy(data, offset, blockN2, 0, BLOCK_SIZE);
+        System.arraycopy(data, offset + BLOCK_SIZE, blockN1, 0, lastBlockLen);
+        if (iv != null) {
+            System.arraycopy(blockN2, 0, iv, 0, BLOCK_SIZE);
+        }
+
+        byte[] tmpCipherState = new byte[BLOCK_SIZE];
+        System.arraycopy(blockN1, 0, tmpCipherState, 0, BLOCK_SIZE);
+        cbcDec(blockN2, 0, 1, tmpCipherState);
+        System.arraycopy(blockN2, lastBlockLen, blockN1, lastBlockLen, BLOCK_SIZE - lastBlockLen);
+        cbcDec(blockN1, 0, 1, cipherState);
+
+        System.arraycopy(blockN1, 0, data, offset, BLOCK_SIZE);
+        System.arraycopy(blockN2, 0, data, offset + BLOCK_SIZE, lastBlockLen);
+    }
+
+    /**
+     * CBC encrypt nblocks blocks of data in place, using and updating iv.
+     */
+    public void cbcEnc(byte[] data, int offset, int blocksNum, byte[] cipherState) {
+        byte[] cipher = new byte[BLOCK_SIZE];
+        for (int i = 0; i < blocksNum; ++i) {
+            System.arraycopy(data, offset + i * BLOCK_SIZE, cipher, 0, BLOCK_SIZE);
+            BytesUtil.xor(cipherState, 0, cipher);
+            processBlock(cipher, 0);
+            System.arraycopy(cipher, 0, data, offset + i * BLOCK_SIZE, BLOCK_SIZE);
+            System.arraycopy(cipher, 0, cipherState, 0, BLOCK_SIZE);
+        }
+    }
+
+    /**
+     * CBC encrypt nblocks blocks of data in place, using and updating iv.
+     */
+    public void cbcDec(byte[] data, int offset, int blocksNum, byte[] cipherState) {
+        byte[] lastBlock = new byte[BLOCK_SIZE];
+        byte[] cipher = new byte[BLOCK_SIZE];
+
+        System.arraycopy(data, offset + (blocksNum - 1) * BLOCK_SIZE, lastBlock, 0, BLOCK_SIZE);
+        for (int i = blocksNum; i > 0; i--) {
+            System.arraycopy(data, offset + (i - 1) * BLOCK_SIZE, cipher, 0, BLOCK_SIZE);
+            processBlock(cipher, 0);
+
+            if (i == 1) {
+                BytesUtil.xor(cipherState, 0, cipher);
+            } else {
+                BytesUtil.xor(data, offset + (i - 2) * BLOCK_SIZE, cipher);
+            }
+
+            System.arraycopy(cipher, 0, data, offset + (i - 1) * BLOCK_SIZE, BLOCK_SIZE);
+        }
+        System.arraycopy(lastBlock, 0, cipherState, 0, BLOCK_SIZE);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CamelliaKey.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CamelliaKey.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CamelliaKey.java
new file mode 100644
index 0000000..c792910
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CamelliaKey.java
@@ -0,0 +1,433 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+/**
+ * Camellia - based on RFC 3713, about half the size of CamelliaEngine.
+ *
+ * This is based on CamelliaEngine.java from bouncycastle library.
+ */
+
+public class CamelliaKey {
+    private int keySize;
+
+    protected int[] subkey = new int[24 * 4];
+    protected int[] kw = new int[4 * 2]; // for whitening
+    protected int[] ke = new int[6 * 2]; // for FL and FL^(-1)
+
+    private static final int SIGMA[] = {
+            0xa09e667f, 0x3bcc908b,
+            0xb67ae858, 0x4caa73b2,
+            0xc6ef372f, 0xe94f82be,
+            0x54ff53a5, 0xf1d36f1c,
+            0x10e527fa, 0xde682d1d,
+            0xb05688c2, 0xb3e6c1fd
+    };
+
+    // S-box data
+    protected static final byte SBOX1[] = {
+            (byte)112, (byte)130, (byte)44, (byte)236,
+            (byte)179, (byte)39, (byte)192, (byte)229,
+            (byte)228, (byte)133, (byte)87, (byte)53,
+            (byte)234, (byte)12, (byte)174, (byte)65,
+            (byte)35, (byte)239, (byte)107, (byte)147,
+            (byte)69, (byte)25, (byte)165, (byte)33,
+            (byte)237, (byte)14, (byte)79, (byte)78,
+            (byte)29, (byte)101, (byte)146, (byte)189,
+            (byte)134, (byte)184, (byte)175, (byte)143,
+            (byte)124, (byte)235, (byte)31, (byte)206,
+            (byte)62, (byte)48, (byte)220, (byte)95,
+            (byte)94, (byte)197, (byte)11, (byte)26,
+            (byte)166, (byte)225, (byte)57, (byte)202,
+            (byte)213, (byte)71, (byte)93, (byte)61,
+            (byte)217, (byte)1, (byte)90, (byte)214,
+            (byte)81, (byte)86, (byte)108, (byte)77,
+            (byte)139, (byte)13, (byte)154, (byte)102,
+            (byte)251, (byte)204, (byte)176, (byte)45,
+            (byte)116, (byte)18, (byte)43, (byte)32,
+            (byte)240, (byte)177, (byte)132, (byte)153,
+            (byte)223, (byte)76, (byte)203, (byte)194,
+            (byte)52, (byte)126, (byte)118, (byte)5,
+            (byte)109, (byte)183, (byte)169, (byte)49,
+            (byte)209, (byte)23, (byte)4, (byte)215,
+            (byte)20, (byte)88, (byte)58, (byte)97,
+            (byte)222, (byte)27, (byte)17, (byte)28,
+            (byte)50, (byte)15, (byte)156, (byte)22,
+            (byte)83, (byte)24, (byte)242, (byte)34,
+            (byte)254, (byte)68, (byte)207, (byte)178,
+            (byte)195, (byte)181, (byte)122, (byte)145,
+            (byte)36, (byte)8, (byte)232, (byte)168,
+            (byte)96, (byte)252, (byte)105, (byte)80,
+            (byte)170, (byte)208, (byte)160, (byte)125,
+            (byte)161, (byte)137, (byte)98, (byte)151,
+            (byte)84, (byte)91, (byte)30, (byte)149,
+            (byte)224, (byte)255, (byte)100, (byte)210,
+            (byte)16, (byte)196, (byte)0, (byte)72,
+            (byte)163, (byte)247, (byte)117, (byte)219,
+            (byte)138, (byte)3, (byte)230, (byte)218,
+            (byte)9, (byte)63, (byte)221, (byte)148,
+            (byte)135, (byte)92, (byte)131, (byte)2,
+            (byte)205, (byte)74, (byte)144, (byte)51,
+            (byte)115, (byte)103, (byte)246, (byte)243,
+            (byte)157, (byte)127, (byte)191, (byte)226,
+            (byte)82, (byte)155, (byte)216, (byte)38,
+            (byte)200, (byte)55, (byte)198, (byte)59,
+            (byte)129, (byte)150, (byte)111, (byte)75,
+            (byte)19, (byte)190, (byte)99, (byte)46,
+            (byte)233, (byte)121, (byte)167, (byte)140,
+            (byte)159, (byte)110, (byte)188, (byte)142,
+            (byte)41, (byte)245, (byte)249, (byte)182,
+            (byte)47, (byte)253, (byte)180, (byte)89,
+            (byte)120, (byte)152, (byte)6, (byte)106,
+            (byte)231, (byte)70, (byte)113, (byte)186,
+            (byte)212, (byte)37, (byte)171, (byte)66,
+            (byte)136, (byte)162, (byte)141, (byte)250,
+            (byte)114, (byte)7, (byte)185, (byte)85,
+            (byte)248, (byte)238, (byte)172, (byte)10,
+            (byte)54, (byte)73, (byte)42, (byte)104,
+            (byte)60, (byte)56, (byte)241, (byte)164,
+            (byte)64, (byte)40, (byte)211, (byte)123,
+            (byte)187, (byte)201, (byte)67, (byte)193,
+            (byte)21, (byte)227, (byte)173, (byte)244,
+            (byte)119, (byte)199, (byte)128, (byte)158
+    };
+
+    public CamelliaKey(byte[] key, boolean isEncrypt) {
+        init(key, isEncrypt);
+    }
+
+    protected boolean is128() {
+        return keySize == 16;
+    }
+
+    private static int rightRotate(int x, int s) {
+        return (((x) >>> (s)) + ((x) << (32 - s)));
+    }
+
+    private static int leftRotate(int x, int s) {
+        return ((x) << (s)) + ((x) >>> (32 - s));
+    }
+
+    private static void roldq(int rot, int[] ki, int ioff,
+                              int[] ko, int ooff) {
+        ko[0 + ooff] = (ki[0 + ioff] << rot) | (ki[1 + ioff] >>> (32 - rot));
+        ko[1 + ooff] = (ki[1 + ioff] << rot) | (ki[2 + ioff] >>> (32 - rot));
+        ko[2 + ooff] = (ki[2 + ioff] << rot) | (ki[3 + ioff] >>> (32 - rot));
+        ko[3 + ooff] = (ki[3 + ioff] << rot) | (ki[0 + ioff] >>> (32 - rot));
+        ki[0 + ioff] = ko[0 + ooff];
+        ki[1 + ioff] = ko[1 + ooff];
+        ki[2 + ioff] = ko[2 + ooff];
+        ki[3 + ioff] = ko[3 + ooff];
+    }
+
+    private static void decroldq(int rot, int[] ki, int ioff,
+                                 int[] ko, int ooff) {
+        ko[2 + ooff] = (ki[0 + ioff] << rot) | (ki[1 + ioff] >>> (32 - rot));
+        ko[3 + ooff] = (ki[1 + ioff] << rot) | (ki[2 + ioff] >>> (32 - rot));
+        ko[0 + ooff] = (ki[2 + ioff] << rot) | (ki[3 + ioff] >>> (32 - rot));
+        ko[1 + ooff] = (ki[3 + ioff] << rot) | (ki[0 + ioff] >>> (32 - rot));
+        ki[0 + ioff] = ko[2 + ooff];
+        ki[1 + ioff] = ko[3 + ooff];
+        ki[2 + ioff] = ko[0 + ooff];
+        ki[3 + ioff] = ko[1 + ooff];
+    }
+
+    private static void roldqo32(int rot, int[] ki, int ioff,
+                                 int[] ko, int ooff)
+    {
+        ko[0 + ooff] = (ki[1 + ioff] << (rot - 32)) | (ki[2 + ioff] >>> (64 - rot));
+        ko[1 + ooff] = (ki[2 + ioff] << (rot - 32)) | (ki[3 + ioff] >>> (64 - rot));
+        ko[2 + ooff] = (ki[3 + ioff] << (rot - 32)) | (ki[0 + ioff] >>> (64 - rot));
+        ko[3 + ooff] = (ki[0 + ioff] << (rot - 32)) | (ki[1 + ioff] >>> (64 - rot));
+        ki[0 + ioff] = ko[0 + ooff];
+        ki[1 + ioff] = ko[1 + ooff];
+        ki[2 + ioff] = ko[2 + ooff];
+        ki[3 + ioff] = ko[3 + ooff];
+    }
+
+    private static void decroldqo32(int rot, int[] ki, int ioff,
+                                    int[] ko, int ooff) {
+        ko[2 + ooff] = (ki[1 + ioff] << (rot - 32)) | (ki[2 + ioff] >>> (64 - rot));
+        ko[3 + ooff] = (ki[2 + ioff] << (rot - 32)) | (ki[3 + ioff] >>> (64 - rot));
+        ko[0 + ooff] = (ki[3 + ioff] << (rot - 32)) | (ki[0 + ioff] >>> (64 - rot));
+        ko[1 + ooff] = (ki[0 + ioff] << (rot - 32)) | (ki[1 + ioff] >>> (64 - rot));
+        ki[0 + ioff] = ko[2 + ooff];
+        ki[1 + ioff] = ko[3 + ooff];
+        ki[2 + ioff] = ko[0 + ooff];
+        ki[3 + ioff] = ko[1 + ooff];
+    }
+
+    private byte lRot8(byte v, int rot)
+    {
+        return (byte)((v << rot) | ((v & 0xff) >>> (8 - rot)));
+    }
+
+    private int sbox2(int x)
+    {
+        return (lRot8(SBOX1[x], 1) & 0xff);
+    }
+
+    private int sbox3(int x)
+    {
+        return (lRot8(SBOX1[x], 7) & 0xff);
+    }
+
+    private int sbox4(int x)
+    {
+        return (SBOX1[((int)lRot8((byte)x, 1) & 0xff)] & 0xff);
+    }
+
+    protected void fls(int[] s, int[] fkey, int keyoff) {
+        s[1] ^= leftRotate(s[0] & fkey[0 + keyoff], 1);
+        s[0] ^= fkey[1 + keyoff] | s[1];
+
+        s[2] ^= fkey[3 + keyoff] | s[3];
+        s[3] ^= leftRotate(fkey[2 + keyoff] & s[2], 1);
+    }
+
+    protected void f2(int[] s, int[] skey, int keyoff) {
+        int t1, t2, u, v;
+
+        t1 = s[0] ^ skey[0 + keyoff];
+        u = sbox4((t1 & 0xff));
+        u |= (sbox3(((t1 >>> 8) & 0xff)) << 8);
+        u |= (sbox2(((t1 >>> 16) & 0xff)) << 16);
+        u |= ((int)(SBOX1[((t1 >>> 24) & 0xff)] & 0xff) << 24);
+
+        t2 = s[1] ^ skey[1 + keyoff];
+        v = (int)SBOX1[(t2 & 0xff)] & 0xff;
+        v |= (sbox4(((t2 >>> 8) & 0xff)) << 8);
+        v |= (sbox3(((t2 >>> 16) & 0xff)) << 16);
+        v |= (sbox2(((t2 >>> 24) & 0xff)) << 24);
+
+        v = leftRotate(v, 8);
+        u ^= v;
+        v = leftRotate(v, 8) ^ u;
+        u = rightRotate(u, 8) ^ v;
+        s[2] ^= leftRotate(v, 16) ^ u;
+        s[3] ^= leftRotate(u, 8);
+
+        t1 = s[2] ^ skey[2 + keyoff];
+        u = sbox4((t1 & 0xff));
+        u |= sbox3(((t1 >>> 8) & 0xff)) << 8;
+        u |= sbox2(((t1 >>> 16) & 0xff)) << 16;
+        u |= ((int)SBOX1[((t1 >>> 24) & 0xff)] & 0xff) << 24;
+
+        t2 = s[3] ^ skey[3 + keyoff];
+        v = ((int)SBOX1[(t2 & 0xff)] & 0xff);
+        v |= sbox4(((t2 >>> 8) & 0xff)) << 8;
+        v |= sbox3(((t2 >>> 16) & 0xff)) << 16;
+        v |= sbox2(((t2 >>> 24) & 0xff)) << 24;
+
+        v = leftRotate(v, 8);
+        u ^= v;
+        v = leftRotate(v, 8) ^ u;
+        u = rightRotate(u, 8) ^ v;
+        s[0] ^= leftRotate(v, 16) ^ u;
+        s[1] ^= leftRotate(u, 8);
+    }
+
+    private void init(byte[] key, boolean isEncrypt) {
+        keySize = key.length;
+
+        int[] k = new int[8];
+        int[] ka = new int[4];
+        int[] kb = new int[4];
+        int[] t = new int[4];
+
+        switch (key.length) {
+            case 16:
+                k[0] = BytesUtil.bytes2int(key, 0, true);
+                k[1] = BytesUtil.bytes2int(key, 4, true);
+                k[2] = BytesUtil.bytes2int(key, 8, true);
+                k[3] = BytesUtil.bytes2int(key, 12, true);
+                k[4] = k[5] = k[6] = k[7] = 0;
+                break;
+            case 24:
+                k[0] = BytesUtil.bytes2int(key, 0, true);
+                k[1] = BytesUtil.bytes2int(key, 4, true);
+                k[2] = BytesUtil.bytes2int(key, 8, true);
+                k[3] = BytesUtil.bytes2int(key, 12, true);
+                k[4] = BytesUtil.bytes2int(key, 16, true);
+                k[5] = BytesUtil.bytes2int(key, 20, true);
+                k[6] = ~k[4];
+                k[7] = ~k[5];
+                break;
+            case 32:
+                k[0] = BytesUtil.bytes2int(key, 0, true);
+                k[1] = BytesUtil.bytes2int(key, 4, true);
+                k[2] = BytesUtil.bytes2int(key, 8, true);
+                k[3] = BytesUtil.bytes2int(key, 12, true);
+                k[4] = BytesUtil.bytes2int(key, 16, true);
+                k[5] = BytesUtil.bytes2int(key, 20, true);
+                k[6] = BytesUtil.bytes2int(key, 24, true);
+                k[7] = BytesUtil.bytes2int(key, 28, true);
+                break;
+            default:
+                throw new
+                        IllegalArgumentException("Invalid key size, only support 16/24/32 bytes");
+        }
+
+        for (int i = 0; i < 4; i++) {
+            ka[i] = k[i] ^ k[i + 4];
+        }
+
+        /* compute KA */
+        f2(ka, SIGMA, 0);
+        for (int i = 0; i < 4; i++) {
+            ka[i] ^= k[i];
+        }
+        f2(ka, SIGMA, 4);
+
+        if (keySize == 16) {
+            if (isEncrypt) {
+                /* KL dependant keys */
+                kw[0] = k[0];
+                kw[1] = k[1];
+                kw[2] = k[2];
+                kw[3] = k[3];
+                roldq(15, k, 0, subkey, 4);
+                roldq(30, k, 0, subkey, 12);
+                roldq(15, k, 0, t, 0);
+                subkey[18] = t[2];
+                subkey[19] = t[3];
+                roldq(17, k, 0, ke, 4);
+                roldq(17, k, 0, subkey, 24);
+                roldq(17, k, 0, subkey, 32);
+                /* KA dependant keys */
+                subkey[0] = ka[0];
+                subkey[1] = ka[1];
+                subkey[2] = ka[2];
+                subkey[3] = ka[3];
+                roldq(15, ka, 0, subkey, 8);
+                roldq(15, ka, 0, ke, 0);
+                roldq(15, ka, 0, t, 0);
+                subkey[16] = t[0];
+                subkey[17] = t[1];
+                roldq(15, ka, 0, subkey, 20);
+                roldqo32(34, ka, 0, subkey, 28);
+                roldq(17, ka, 0, kw, 4);
+
+            } else { // decryption
+                /* KL dependant keys */
+                kw[4] = k[0];
+                kw[5] = k[1];
+                kw[6] = k[2];
+                kw[7] = k[3];
+                decroldq(15, k, 0, subkey, 28);
+                decroldq(30, k, 0, subkey, 20);
+                decroldq(15, k, 0, t, 0);
+                subkey[16] = t[0];
+                subkey[17] = t[1];
+                decroldq(17, k, 0, ke, 0);
+                decroldq(17, k, 0, subkey, 8);
+                decroldq(17, k, 0, subkey, 0);
+                /* KA dependant keys */
+                subkey[34] = ka[0];
+                subkey[35] = ka[1];
+                subkey[32] = ka[2];
+                subkey[33] = ka[3];
+                decroldq(15, ka, 0, subkey, 24);
+                decroldq(15, ka, 0, ke, 4);
+                decroldq(15, ka, 0, t, 0);
+                subkey[18] = t[2];
+                subkey[19] = t[3];
+                decroldq(15, ka, 0, subkey, 12);
+                decroldqo32(34, ka, 0, subkey, 4);
+                roldq(17, ka, 0, kw, 0);
+            }
+        } else { // 192bit or 256bit
+            /* compute KB */
+            for (int i = 0; i < 4; i++) {
+                kb[i] = ka[i] ^ k[i + 4];
+            }
+            f2(kb, SIGMA, 8);
+
+            if (isEncrypt) {
+                /* KL dependant keys */
+                kw[0] = k[0];
+                kw[1] = k[1];
+                kw[2] = k[2];
+                kw[3] = k[3];
+                roldqo32(45, k, 0, subkey, 16);
+                roldq(15, k, 0, ke, 4);
+                roldq(17, k, 0, subkey, 32);
+                roldqo32(34, k, 0, subkey, 44);
+                /* KR dependant keys */
+                roldq(15, k, 4, subkey, 4);
+                roldq(15, k, 4, ke, 0);
+                roldq(30, k, 4, subkey, 24);
+                roldqo32(34, k, 4, subkey, 36);
+                /* KA dependant keys */
+                roldq(15, ka, 0, subkey, 8);
+                roldq(30, ka, 0, subkey, 20);
+                /* 32bit rotation */
+                ke[8] = ka[1];
+                ke[9] = ka[2];
+                ke[10] = ka[3];
+                ke[11] = ka[0];
+                roldqo32(49, ka, 0, subkey, 40);
+
+                /* KB dependant keys */
+                subkey[0] = kb[0];
+                subkey[1] = kb[1];
+                subkey[2] = kb[2];
+                subkey[3] = kb[3];
+                roldq(30, kb, 0, subkey, 12);
+                roldq(30, kb, 0, subkey, 28);
+                roldqo32(51, kb, 0, kw, 4);
+
+            } else { // decryption
+                /* KL dependant keys */
+                kw[4] = k[0];
+                kw[5] = k[1];
+                kw[6] = k[2];
+                kw[7] = k[3];
+                decroldqo32(45, k, 0, subkey, 28);
+                decroldq(15, k, 0, ke, 4);
+                decroldq(17, k, 0, subkey, 12);
+                decroldqo32(34, k, 0, subkey, 0);
+                /* KR dependant keys */
+                decroldq(15, k, 4, subkey, 40);
+                decroldq(15, k, 4, ke, 8);
+                decroldq(30, k, 4, subkey, 20);
+                decroldqo32(34, k, 4, subkey, 8);
+                /* KA dependant keys */
+                decroldq(15, ka, 0, subkey, 36);
+                decroldq(30, ka, 0, subkey, 24);
+                /* 32bit rotation */
+                ke[2] = ka[1];
+                ke[3] = ka[2];
+                ke[0] = ka[3];
+                ke[1] = ka[0];
+                decroldqo32(49, ka, 0, subkey, 4);
+
+                /* KB dependant keys */
+                subkey[46] = kb[0];
+                subkey[47] = kb[1];
+                subkey[44] = kb[2];
+                subkey[45] = kb[3];
+                decroldq(30, kb, 0, subkey, 32);
+                decroldq(30, kb, 0, subkey, 16);
+                roldqo32(51, kb, 0, kw, 0);
+            }
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumHandler.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumHandler.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumHandler.java
new file mode 100644
index 0000000..2cad95b
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumHandler.java
@@ -0,0 +1,153 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+import org.apache.kerby.kerberos.kerb.KrbErrorCode;
+import org.apache.kerby.kerberos.kerb.KrbException;
+import org.apache.kerby.kerberos.kerb.crypto.cksum.*;
+import org.apache.kerby.kerberos.kerb.spec.common.CheckSum;
+import org.apache.kerby.kerberos.kerb.spec.common.CheckSumType;
+import org.apache.kerby.kerberos.kerb.spec.common.KeyUsage;
+
+public class CheckSumHandler {
+
+    public static CheckSumTypeHandler getCheckSumHandler(String cksumType) throws KrbException {
+        CheckSumType eTypeEnum = CheckSumType.fromName(cksumType);
+        return getCheckSumHandler(eTypeEnum);
+    }
+
+    public static CheckSumTypeHandler getCheckSumHandler(int cksumType) throws KrbException {
+        CheckSumType eTypeEnum = CheckSumType.fromValue(cksumType);
+        return getCheckSumHandler(eTypeEnum);
+    }
+
+    public static boolean isImplemented(CheckSumType cksumType) throws KrbException {
+        return getCheckSumHandler(cksumType, true) != null;
+    }
+
+    public static CheckSumTypeHandler getCheckSumHandler(CheckSumType cksumType) throws KrbException {
+        return getCheckSumHandler(cksumType, false);
+    }
+
+    private static CheckSumTypeHandler getCheckSumHandler(CheckSumType cksumType, boolean check) throws KrbException {
+        CheckSumTypeHandler cksumHandler = null;
+        switch (cksumType) {
+            case CRC32:
+                cksumHandler = new Crc32CheckSum();
+                break;
+
+            case DES_MAC:
+                cksumHandler = new DesCbcCheckSum();
+                break;
+
+            case RSA_MD4:
+                cksumHandler = new RsaMd4CheckSum();
+                break;
+
+            case RSA_MD5:
+                cksumHandler = new RsaMd5CheckSum();
+                break;
+
+            case NIST_SHA:
+                cksumHandler = new Sha1CheckSum();
+                break;
+
+            case RSA_MD4_DES:
+                cksumHandler = new RsaMd4DesCheckSum();
+                break;
+
+            case RSA_MD5_DES:
+                cksumHandler = new RsaMd5DesCheckSum();
+                break;
+
+            case HMAC_SHA1_DES3:
+            case HMAC_SHA1_DES3_KD:
+                cksumHandler = new HmacSha1Des3CheckSum();
+                break;
+
+            case HMAC_SHA1_96_AES128:
+                cksumHandler = new HmacSha1Aes128CheckSum();
+                break;
+
+            case HMAC_SHA1_96_AES256:
+                cksumHandler = new HmacSha1Aes256CheckSum();
+                break;
+
+            case CMAC_CAMELLIA128:
+                cksumHandler = new CmacCamellia128CheckSum();
+                break;
+
+            case CMAC_CAMELLIA256:
+                cksumHandler = new CmacCamellia256CheckSum();
+                break;
+
+            case HMAC_MD5_ARCFOUR:
+                cksumHandler = new HmacMd5Rc4CheckSum();
+                break;
+
+            case MD5_HMAC_ARCFOUR:
+                cksumHandler = new Md5HmacRc4CheckSum();
+                break;
+
+            default:
+                break;
+        }
+
+        if (cksumHandler == null && ! check) {
+            String message = "Unsupported checksum type: " + cksumType.name();
+            throw new KrbException(KrbErrorCode.KDC_ERR_SUMTYPE_NOSUPP, message);
+        }
+
+        return cksumHandler;
+    }
+
+    public static CheckSum checksum(CheckSumType checkSumType, byte[] bytes) throws KrbException {
+        CheckSumTypeHandler handler = getCheckSumHandler(checkSumType);
+        byte[] checksumBytes = handler.checksum(bytes);
+        CheckSum checkSum = new CheckSum();
+        checkSum.setCksumtype(checkSumType);
+        checkSum.setChecksum(checksumBytes);
+        return checkSum;
+    }
+
+    public static boolean verify(CheckSum checkSum, byte[] bytes) throws KrbException {
+        CheckSumType checkSumType = checkSum.getCksumtype();
+        CheckSumTypeHandler handler = getCheckSumHandler(checkSumType);
+        return handler.verify(bytes, checkSum.getChecksum());
+    }
+
+    public static CheckSum checksumWithKey(CheckSumType checkSumType,
+                           byte[] bytes, byte[] key, KeyUsage usage) throws KrbException {
+        CheckSumTypeHandler handler = getCheckSumHandler(checkSumType);
+        byte[] checksumBytes = handler.checksumWithKey(bytes, key, usage.getValue());
+        CheckSum checkSum = new CheckSum();
+        checkSum.setCksumtype(checkSumType);
+        checkSum.setChecksum(checksumBytes);
+        return checkSum;
+    }
+
+    public static boolean verifyWithKey(CheckSum checkSum, byte[] bytes,
+                                        byte[] key, KeyUsage usage) throws KrbException {
+        CheckSumType checkSumType = checkSum.getCksumtype();
+        CheckSumTypeHandler handler = getCheckSumHandler(checkSumType);
+        return handler.verifyWithKey(bytes, key,
+                usage.getValue(), checkSum.getChecksum());
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumTypeHandler.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumTypeHandler.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumTypeHandler.java
new file mode 100644
index 0000000..2eff5a1
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/CheckSumTypeHandler.java
@@ -0,0 +1,57 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+import org.apache.kerby.kerberos.kerb.KrbException;
+import org.apache.kerby.kerberos.kerb.spec.common.CheckSumType;
+
+public interface CheckSumTypeHandler extends CryptoTypeHandler {
+
+    public int confounderSize();
+
+    public CheckSumType cksumType();
+
+    public int computeSize(); // allocation size for checksum computation
+
+    public int outputSize(); // possibly truncated output size
+
+    public boolean isSafe();
+
+    public int cksumSize();
+
+    public int keySize();
+
+    public byte[] checksum(byte[] data) throws KrbException;
+
+    public byte[] checksum(byte[] data, int start, int len) throws KrbException;
+
+    public boolean verify(byte[] data, byte[] checksum) throws KrbException;
+
+    public boolean verify(byte[] data, int start, int len, byte[] checksum) throws KrbException;
+
+    public byte[] checksumWithKey(byte[] data,
+                                  byte[] key, int usage) throws KrbException;
+
+    public byte[] checksumWithKey(byte[] data, int start, int len,
+                                  byte[] key, int usage) throws KrbException;
+
+    public boolean verifyWithKey(byte[] data,
+                                 byte[] key, int usage, byte[] checksum) throws KrbException;
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Cmac.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Cmac.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Cmac.java
new file mode 100644
index 0000000..23314da
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Cmac.java
@@ -0,0 +1,178 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+import org.apache.kerby.kerberos.kerb.crypto.enc.EncryptProvider;
+import org.apache.kerby.kerberos.kerb.KrbException;
+
+import java.util.Arrays;
+
+/**
+ * Based on MIT krb5 cmac.c
+ */
+public class Cmac {
+
+    private static byte[] constRb = {
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, (byte) 0x87
+    };
+
+    public static byte[] cmac(EncryptProvider encProvider, byte[] key,
+                       byte[] data, int outputSize) throws KrbException {
+        return cmac(encProvider, key, data, 0, data.length, outputSize);
+    }
+
+    public static byte[] cmac(EncryptProvider encProvider, byte[] key, byte[] data,
+                       int start, int len, int outputSize) throws KrbException {
+        byte[] hash = Cmac.cmac(encProvider, key, data, start, len);
+        if (hash.length > outputSize) {
+            byte[] output = new byte[outputSize];
+            System.arraycopy(hash, 0, output, 0, outputSize);
+            return output;
+        } else {
+            return hash;
+        }
+    }
+
+    public static byte[] cmac(EncryptProvider encProvider,
+                              byte[] key, byte[] data) throws KrbException {
+        return cmac(encProvider, key, data, 0, data.length);
+    }
+
+    public static byte[] cmac(EncryptProvider encProvider,
+                              byte[] key, byte[] data, int start, int len) throws KrbException {
+
+        int blockSize = encProvider.blockSize();
+
+        byte[] Y = new byte[blockSize];
+        byte[] mLast = new byte[blockSize];
+        byte[] padded = new byte[blockSize];
+        byte[] K1 = new byte[blockSize];
+        byte[] K2 = new byte[blockSize];
+
+        // step 1
+        makeSubkey(encProvider, key, K1, K2);
+
+        // step 2
+        int n = (len + blockSize - 1) / blockSize;
+
+        // step 3
+        boolean lastIsComplete;
+        if (n == 0) {
+            n = 1;
+            lastIsComplete = false;
+        } else {
+            lastIsComplete = ((len % blockSize) == 0);
+        }
+
+        // Step 6 (all but last block)
+        byte[] cipherState = new byte[blockSize];
+        byte[] cipher = new byte[blockSize];
+        for (int i = 0; i < n - 1; i++) {
+            System.arraycopy(data, i * blockSize, cipher, 0, blockSize);
+            encryptBlock(encProvider, key, cipherState, cipher);
+            System.arraycopy(cipher, 0, cipherState, 0, blockSize);
+        }
+
+        // step 5
+        System.arraycopy(cipher, 0, Y, 0, blockSize);
+
+        // step 4
+        int lastPos = (n - 1) * blockSize;
+        int lastLen = lastIsComplete ? blockSize : len % blockSize;
+        byte[] lastBlock = new byte[lastLen];
+        System.arraycopy(data, lastPos, lastBlock, 0, lastLen);
+        if (lastIsComplete) {
+            BytesUtil.xor(lastBlock, K1, mLast);
+        } else {
+            padding(lastBlock, padded);
+            BytesUtil.xor(padded, K2, mLast);
+        }
+
+        // Step 6 (last block)
+        encryptBlock(encProvider, key, cipherState, mLast);
+
+        return mLast;
+    }
+
+    // Generate subkeys K1 and K2 as described in RFC 4493 figure 2.2.
+    private static void makeSubkey(EncryptProvider encProvider,
+                              byte[] key, byte[] K1, byte[] K2) throws KrbException {
+
+        // L := encrypt(K, const_Zero)
+        byte[] L = new byte[K1.length];
+        Arrays.fill(L, (byte) 0);
+        encryptBlock(encProvider, key, null, L);
+
+        // K1 := (MSB(L) == 0) ? L << 1 : (L << 1) XOR const_Rb
+        if ((L[0] & 0x80) == 0) {
+            leftShiftByOne(L, K1);
+        } else {
+            byte[] tmp = new byte[K1.length];
+            leftShiftByOne(L, tmp);
+            BytesUtil.xor(tmp, constRb, K1);
+        }
+
+        // K2 := (MSB(K1) == 0) ? K1 << 1 : (K1 << 1) XOR const_Rb
+        if ((K1[0] & 0x80) == 0) {
+            leftShiftByOne(K1, K2);
+        } else {
+            byte[] tmp = new byte[K1.length];
+            leftShiftByOne(K1, tmp);
+            BytesUtil.xor(tmp, constRb, K2);
+        }
+    }
+
+    private static void encryptBlock(EncryptProvider encProvider,
+                                     byte[] key, byte[] cipherState, byte[] block) throws KrbException {
+        if (cipherState == null) {
+            cipherState = new byte[encProvider.blockSize()];
+        }
+        if (encProvider.supportCbcMac()) {
+            encProvider.cbcMac(key, cipherState, block);
+        } else {
+            encProvider.encrypt(key, cipherState, block);
+        }
+    }
+
+    private static void leftShiftByOne(byte[] input, byte[] output) {
+        byte overflow = 0;
+
+        for (int i = input.length - 1; i >= 0; i--) {
+            output[i] = (byte) (input[i] << 1);
+            output[i] |= overflow;
+            overflow = (byte) ((input[i] & 0x80) != 0 ? 1 : 0);
+        }
+    }
+
+    // Padding out data with a 1 bit followed by 0 bits, placing the result in pad
+    private static void padding(byte[] data, byte[] padded) {
+        int len = data.length;
+
+        // original last block
+        System.arraycopy(data, 0, padded, 0, len);
+
+        padded[len] = (byte) 0x80;
+
+        for (int i = len + 1; i < padded.length; i++) {
+            padded[i] = 0x00;
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Confounder.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Confounder.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Confounder.java
new file mode 100644
index 0000000..79f5848
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Confounder.java
@@ -0,0 +1,33 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+import java.security.SecureRandom;
+
+public final class Confounder {
+
+    private static SecureRandom srand = new SecureRandom();
+
+    public static byte[] makeBytes(int size) {
+        byte[] data = new byte[size];
+        srand.nextBytes(data);
+        return data;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/7d9261af/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Crc32.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Crc32.java b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Crc32.java
new file mode 100644
index 0000000..59feee8
--- /dev/null
+++ b/kerby-kerb/kerb-crypto/src/main/java/org/apache/kerby/kerberos/kerb/crypto/Crc32.java
@@ -0,0 +1,78 @@
+/**
+ *  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.kerby.kerberos.kerb.crypto;
+
+/**
+ * Reference: http://introcs.cs.princeton.edu/java/51data/CRC32.java
+ */
+public class Crc32 {
+
+    private static long[] table = {
+            0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
+            0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
+            0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+            0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
+            0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+            0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+            0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
+            0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
+            0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+            0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+            0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
+            0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+            0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
+            0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
+            0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+            0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
+            0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
+            0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+            0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
+            0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+            0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+            0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
+            0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
+            0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+            0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+            0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
+            0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+            0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
+            0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
+            0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+            0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
+            0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,
+    };
+
+    public static byte[] crc(byte[] data, int start, int size) {
+        long c = crc(0, data, start, size);
+        return BytesUtil.int2bytes((int) c, false);
+    }
+
+    public static long crc(long initial, byte[] data, int start, int len) {
+        long c = initial;
+
+        int idx;
+        for (int i = 0; i < len; i++) {
+            idx = (int) ((data[start + i] ^ c) & 0xff);
+            c = ((c & 0xffffffffL) >>> 8) ^ table[idx]; // why?
+        }
+
+        return c;
+    }
+}


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