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From dran...@apache.org
Subject [15/45] directory-kerberos git commit: DIRKRB-149 New layout structure with the new name "Apache Kerby"
Date Thu, 22 Jan 2015 21:47:54 GMT
http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfo2Entry.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfo2Entry.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfo2Entry.java
new file mode 100644
index 0000000..f435b93
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfo2Entry.java
@@ -0,0 +1,73 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.asn1.type.Asn1OctetString;
+import org.apache.kerby.kerberos.kerb.spec.KerberosString;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+/**
+ ETYPE-INFO2-ENTRY       ::= SEQUENCE {
+ etype           [0] Int32,
+ salt            [1] KerberosString OPTIONAL,
+ s2kparams       [2] OCTET STRING OPTIONAL
+ }
+ */
+public class EtypeInfo2Entry extends KrbSequenceType {
+    private static int ETYPE = 0;
+    private static int SALT = 1;
+    private static int S2KPARAMS = 2;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ETYPE, 0, Asn1Integer.class),
+            new Asn1FieldInfo(SALT, 1, KerberosString.class),
+            new Asn1FieldInfo(S2KPARAMS, 2, Asn1OctetString.class)
+    };
+
+    public EtypeInfo2Entry() {
+        super(fieldInfos);
+    }
+
+    public EncryptionType getEtype() {
+        return EncryptionType.fromValue(getFieldAsInt(ETYPE));
+    }
+
+    public void setEtype(EncryptionType etype) {
+        setField(ETYPE, etype);
+    }
+
+    public String getSalt() {
+        return getFieldAsString(SALT);
+    }
+
+    public void setSalt(String salt) {
+        setFieldAsString(SALT, salt);
+    }
+
+    public byte[] getS2kParams() {
+        return getFieldAsOctets(S2KPARAMS);
+    }
+
+    public void setS2kParams(byte[] s2kParams) {
+        setFieldAsOctets(S2KPARAMS, s2kParams);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfoEntry.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfoEntry.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfoEntry.java
new file mode 100644
index 0000000..a93951d
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/EtypeInfoEntry.java
@@ -0,0 +1,61 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.asn1.type.Asn1OctetString;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+/**
+ ETYPE-INFO-ENTRY        ::= SEQUENCE {
+ etype           [0] Int32,
+ salt            [1] OCTET STRING OPTIONAL
+ }
+ */
+public class EtypeInfoEntry extends KrbSequenceType {
+    private static int ETYPE = 0;
+    private static int SALT = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ETYPE, 0, Asn1Integer.class),
+            new Asn1FieldInfo(SALT, 1, Asn1OctetString.class)
+    };
+
+    public EtypeInfoEntry() {
+        super(fieldInfos);
+    }
+
+    public EncryptionType getEtype() {
+        return EncryptionType.fromValue(getFieldAsInt(ETYPE));
+    }
+
+    public void setEtype(EncryptionType etype) {
+        setField(ETYPE, etype);
+    }
+
+    public byte[] getSalt() {
+        return getFieldAsOctets(SALT);
+    }
+
+    public void setSalt(byte[] salt) {
+        setFieldAsOctets(SALT, salt);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddrType.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddrType.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddrType.java
new file mode 100644
index 0000000..0fdb752
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddrType.java
@@ -0,0 +1,100 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum HostAddrType implements KrbEnum {
+    /**
+     * Constant for the "null" host address type.
+     */
+    NULL(0),
+
+    /**
+     * Constant for the "Internet" host address type.
+     */
+    ADDRTYPE_INET(2),
+
+    /**
+     * Constant for the "Arpanet" host address type.
+     */
+    ADDRTYPE_IMPLINK(3),
+
+    /**
+     * Constant for the "CHAOS" host address type.
+     */
+    ADDRTYPE_CHAOS(5),
+
+    /**
+     * Constant for the "XEROX Network Services" host address type.
+     */
+    ADDRTYPE_XNS(6),
+
+    /**
+     * Constant for the "OSI" host address type.
+     */
+    ADDRTYPE_OSI(7),
+
+    /**
+     * Constant for the "DECnet" host address type.
+     */
+    ADDRTYPE_DECNET(12),
+
+    /**
+     * Constant for the "AppleTalk" host address type.
+     */
+    ADDRTYPE_APPLETALK(16),
+
+    /**
+     * Constant for the "NetBios" host address type.
+     *
+     * Not in RFC
+     */
+    ADDRTYPE_NETBIOS(20),
+
+    /**
+     * Constant for the "Internet Protocol V6" host address type.
+     */
+    ADDRTYPE_INET6(24);
+
+
+    private final int value;
+
+    private HostAddrType(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static HostAddrType fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value.intValue()) {
+                    return (HostAddrType) e;
+                }
+            }
+        }
+
+        return NULL;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddress.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddress.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddress.java
new file mode 100644
index 0000000..51928c6
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddress.java
@@ -0,0 +1,109 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.asn1.type.Asn1OctetString;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+import java.net.InetAddress;
+import java.util.Arrays;
+
+/*
+HostAddress     ::= SEQUENCE  {
+        addr-type       [0] Int32,
+        address         [1] OCTET STRING
+}
+ */
+public class HostAddress extends KrbSequenceType {
+    private static int ADDR_TYPE = 0;
+    private static int ADDRESS = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ADDR_TYPE, 0, Asn1Integer.class),
+            new Asn1FieldInfo(ADDRESS, 1, Asn1OctetString.class)
+    };
+
+    public HostAddress() {
+        super(fieldInfos);
+    }
+
+    public HostAddress(InetAddress inetAddress) {
+        this();
+
+        setAddrType(HostAddrType.ADDRTYPE_INET);
+        setAddress(inetAddress.getAddress());
+    }
+
+    public HostAddrType getAddrType() {
+        Integer value = getFieldAsInteger(ADDR_TYPE);
+        return HostAddrType.fromValue(value);
+    }
+
+    public void setAddrType(HostAddrType addrType) {
+        setField(ADDR_TYPE, addrType);
+    }
+
+    public byte[] getAddress() {
+        return getFieldAsOctets(ADDRESS);
+    }
+
+    public void setAddress(byte[] address) {
+        setFieldAsOctets(ADDRESS, address);
+    }
+
+    public boolean equalsWith(InetAddress address) {
+        if (address == null) {
+            return false;
+        }
+        HostAddress that = new HostAddress(address);
+        return that.equals(this);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (other == null) {
+            return false;
+        }
+        if (other == this) {
+            return true;
+        } else if (! (other instanceof HostAddress)) {
+            return false;
+        }
+
+        HostAddress that = (HostAddress) other;
+        if (getAddrType() == that.getAddrType() &&
+                Arrays.equals(getAddress(), that.getAddress())) {
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = getAddrType().getValue();
+        if (getAddress() != null) {
+            result = 31 * result + getAddress().hashCode();
+        }
+
+        return result;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddresses.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddresses.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddresses.java
new file mode 100644
index 0000000..9121ce5
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/HostAddresses.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.kerby.kerberos.kerb.spec.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceOfType;
+
+import java.net.InetAddress;
+
+/**
+ -- NOTE: HostAddresses is always used as an OPTIONAL field and
+ -- should not be empty.
+ HostAddresses   -- NOTE: subtly different from rfc1510,
+ -- but has a value mapping and encodes the same
+ ::= SEQUENCE OF HostAddress
+ */
+public class HostAddresses extends KrbSequenceOfType<HostAddress> {
+
+    public boolean contains(InetAddress address) {
+        for (HostAddress hostAddress : getElements()) {
+            if (hostAddress.equalsWith(address)) {
+                return true;
+            }
+        }
+        return false;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KeyUsage.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KeyUsage.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KeyUsage.java
new file mode 100644
index 0000000..a1055da
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KeyUsage.java
@@ -0,0 +1,128 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+/**
+ * From krb5.hin
+ */
+public enum KeyUsage implements KrbEnum
+{
+    UNKNOWN(-1),
+    NONE(0),
+    //AS-REQ PA-ENC-TIMESTAMP padata timestamp, encrypted with the client key
+    AS_REQ_PA_ENC_TS(1),
+    //AS-REP Ticket and TGS-REP Ticket (includes TGS session key or application session key),
+    //encrypted with the service key (Section 5.3)
+    KDC_REP_TICKET(2),
+    //AS-REP encrypted part (includes TGS session key or application session key),
+    //encrypted with the client key (Section 5.4.2)
+    AS_REP_ENCPART(3),
+    //TGS-REQ KDC-REQ-BODY AuthorizationData,
+    //encrypted with the TGS session key (Section 5.4.1)
+    TGS_REQ_AD_SESSKEY(4),
+    //TGS-REQ KDC-REQ-BODY AuthorizationData,
+    //encrypted with the TGS authenticator subkey (Section 5.4.1)
+    TGS_REQ_AD_SUBKEY(5),
+    //TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator cksum,
+    //keyed with the TGS session key (Section 5.5.1)
+    TGS_REQ_AUTH_CKSUM(6),
+    //TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator (includes TGS authenticator subkey),
+    //encrypted with the TGS session key (Section 5.5.1)
+    TGS_REQ_AUTH(7),
+    //TGS-REP encrypted part (includes application session key),
+    //encrypted with the TGS session key (Section 5.4.2)
+    TGS_REP_ENCPART_SESSKEY(8),
+    //TGS-REP encrypted part (includes application session key),
+    //encrypted with the TGS authenticator subkey (Section 5.4.2)
+    TGS_REP_ENCPART_SUBKEY(9),
+    //AP-REQ Authenticator cksum, keyed with the application session key (Section 5.5.1)
+    AP_REQ_AUTH_CKSUM(10),
+    //AP-REQ Authenticator (includes application authenticator subkey),
+    //encrypted with the application session key (Section 5.5.1)
+    AP_REQ_AUTH(11),
+    //AP-REP encrypted part (includes application session subkey),
+    //encrypted with the application session key (Section 5.5.2)
+    AP_REP_ENCPART(12),
+    //KRB-PRIV encrypted part, encrypted with a key chosen by the application (Section 5.7.1)
+    KRB_PRIV_ENCPART(13),
+    KRB_CRED_ENCPART(14),
+    KRB_SAFE_CKSUM(15),
+    APP_DATA_ENCRYPT(16),
+    APP_DATA_CKSUM(17),
+    KRB_ERROR_CKSUM(18),
+    AD_KDCISSUED_CKSUM(19),
+    AD_MTE(20),
+    AD_ITE(21),
+    GSS_TOK_MIC(22),
+    GSS_TOK_WRAP_INTEG(23),
+    GSS_TOK_WRAP_PRIV(24),
+    //Defined in Integrating SAM Mechanisms with Kerberos draft
+    PA_SAM_CHALLENGE_CKSUM(25),
+    //Note conflict with @ref PA_S4U_X509_USER_REQUEST
+    PA_SAM_CHALLENGE_TRACKID(26),
+    //Note conflict with @ref PA_S4U_X509_USER_REPLY
+    PA_SAM_RESPONSE(27),
+    //Defined in [MS-SFU]
+    //Note conflict with @ref PA_SAM_CHALLENGE_TRACKID
+    PA_S4U_X509_USER_REQUEST(26),
+    //Note conflict with @ref PA_SAM_RESPONSE
+    PA_S4U_X509_USER_REPLY(27),
+    //unused
+    PA_REFERRAL(26),
+    AD_SIGNEDPATH(-21),
+    IAKERB_FINISHED(42),
+    PA_PKINIT_KX(44),
+    PA_OTP_REQUEST(45),  //See RFC 6560 section 4.2
+    //define in preauth-framework
+    FAST_REQ_CHKSUM(50),
+    FAST_ENC(51),
+    FAST_REP(52),
+    FAST_FINISHED(53),
+    ENC_CHALLENGE_CLIENT(54),
+    ENC_CHALLENGE_KDC(55),
+    AS_REQ(56);
+
+    private int value;
+
+    private KeyUsage(int value) {
+        this.value = value;
+    }
+
+    public int getValue() {
+        return value;
+    }
+
+    public static KeyUsage fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value) {
+                    return (KeyUsage) e;
+                }
+            }
+        }
+        return UNKNOWN;
+    }
+
+    public static final boolean isValid(int usage) {
+        return usage > -1;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbError.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbError.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbError.java
new file mode 100644
index 0000000..1d19c88
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbError.java
@@ -0,0 +1,166 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.asn1.type.Asn1OctetString;
+import org.apache.kerby.kerberos.kerb.KrbErrorCode;
+import org.apache.kerby.kerberos.kerb.spec.KerberosString;
+import org.apache.kerby.kerberos.kerb.spec.KerberosTime;
+
+/**
+ KRB-ERROR       ::= [APPLICATION 30] SEQUENCE {
+ pvno            [0] INTEGER (5),
+ msg-type        [1] INTEGER (30),
+ ctime           [2] KerberosTime OPTIONAL,
+ cusec           [3] Microseconds OPTIONAL,
+ stime           [4] KerberosTime,
+ susec           [5] Microseconds,
+ error-code      [6] Int32,
+ crealm          [7] Realm OPTIONAL,
+ cname           [8] PrincipalName OPTIONAL,
+ realm           [9] Realm -- service realm --,
+ sname           [10] PrincipalName -- service name --,
+ e-text          [11] KerberosString OPTIONAL,
+ e-data          [12] OCTET STRING OPTIONAL
+ }
+ */
+public class KrbError extends KrbMessage {
+    private static int CTIME = 2;
+    private static int CUSEC = 3;
+    private static int STIME = 4;
+    private static int SUSEC = 5;
+    private static int ERROR_CODE = 6;
+    private static int CREALM = 7;
+    private static int CNAME = 8;
+    private static int REALM = 9;
+    private static int SNAME = 10;
+    private static int ETEXT = 11;
+    private static int EDATA = 12;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(PVNO, Asn1Integer.class),
+            new Asn1FieldInfo(MSG_TYPE, Asn1Integer.class),
+            new Asn1FieldInfo(CTIME, KerberosTime.class),
+            new Asn1FieldInfo(CUSEC, Asn1Integer.class),
+            new Asn1FieldInfo(STIME, KerberosTime.class),
+            new Asn1FieldInfo(SUSEC, Asn1Integer.class),
+            new Asn1FieldInfo(ERROR_CODE, Asn1Integer.class),
+            new Asn1FieldInfo(CREALM, KerberosString.class),
+            new Asn1FieldInfo(CNAME, PrincipalName.class),
+            new Asn1FieldInfo(REALM, KerberosString.class),
+            new Asn1FieldInfo(SNAME, PrincipalName.class),
+            new Asn1FieldInfo(ETEXT, KerberosString.class),
+            new Asn1FieldInfo(EDATA, Asn1OctetString.class)
+    };
+
+    public KrbError() {
+        super(KrbMessageType.KRB_ERROR, fieldInfos);
+    }
+
+    public KerberosTime getCtime() {
+        return getFieldAs(CTIME, KerberosTime.class);
+    }
+
+    public void setCtime(KerberosTime ctime) {
+        setFieldAs(CTIME, ctime);
+    }
+
+    public int getCusec() {
+        return getFieldAsInt(CUSEC);
+    }
+
+    public void setCusec(int cusec) {
+        setFieldAsInt(0, cusec);
+    }
+
+    public KerberosTime getStime() {
+        return getFieldAs(STIME, KerberosTime.class);
+    }
+
+    public void setStime(KerberosTime stime) {
+        setFieldAs(STIME, stime);
+    }
+
+    public int getSusec() {
+        return getFieldAsInt(SUSEC);
+    }
+
+    public void setSusec(int susec) {
+        setFieldAsInt(0, susec);
+    }
+
+    public KrbErrorCode getErrorCode() {
+        return KrbErrorCode.fromValue(getFieldAsInt(ERROR_CODE));
+    }
+
+    public void setErrorCode(KrbErrorCode errorCode) {
+        setField(0, errorCode);
+    }
+
+    public String getCrealm() {
+        return getFieldAsString(CREALM);
+    }
+
+    public void setCrealm(String realm) {
+        setFieldAs(CREALM, new KerberosString(realm));
+    }
+
+    public PrincipalName getCname() {
+        return getFieldAs(CNAME, PrincipalName.class);
+    }
+
+    public void setCname(PrincipalName sname) {
+        setFieldAs(CNAME, sname);
+    }
+
+    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 String getEtext() {
+        return getFieldAsString(ETEXT);
+    }
+
+    public void setEtext(String realm) {
+        setFieldAs(ETEXT, new KerberosString(realm));
+    }
+
+    public byte[] getEdata() {
+        return getFieldAsOctetBytes(EDATA);
+    }
+
+    public void setEdata(byte[] edata) {
+        setFieldAsOctetBytes(EDATA, edata);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbFlags.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbFlags.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbFlags.java
new file mode 100644
index 0000000..426516c
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbFlags.java
@@ -0,0 +1,118 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.asn1.type.Asn1BitString;
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+import java.io.IOException;
+
+/**
+ KrbFlags   ::= BIT STRING (SIZE (32..MAX))
+ -- minimum number of bits shall be sent,
+ -- but no fewer than 32
+ */
+public class KrbFlags extends Asn1BitString {
+    private static final int MAX_SIZE = 32;
+    private int flags;
+
+    public KrbFlags() {
+        this(0);
+    }
+
+    public KrbFlags(int value) {
+        super();
+        setFlags(value);
+    }
+
+    public void setFlags(int flags) {
+        this.flags = flags;
+        flags2Value();
+    }
+
+    public int getFlags() {
+        return flags;
+    }
+
+    public boolean isFlagSet(int flag) {
+        return (flags & (1 << flagPos(flag))) != 0;
+    }
+
+    public void setFlag(int flag)  {
+        int newFlags = flags | 1 << flagPos(flag);
+        setFlags(newFlags);
+    }
+
+    public void clearFlag(int flag) {
+        int newFlags = flags & ~(1 << flagPos(flag));
+        setFlags(newFlags);
+    }
+
+    public void clear() {
+        setFlags(0);
+    }
+
+    public boolean isFlagSet(KrbEnum flag) {
+        return isFlagSet(flag.getValue());
+    }
+
+    public void setFlag(KrbEnum flag)  {
+        setFlag(flag.getValue());
+    }
+
+    public void setFlag(KrbEnum flag, boolean isSet)  {
+        if (isSet) {
+            setFlag(flag.getValue());
+        } else {
+            clearFlag(flag);
+        }
+    }
+
+    public void clearFlag(KrbEnum flag) {
+        clearFlag(flag.getValue());
+    }
+
+    private int flagPos(int flag)  {
+        return MAX_SIZE - 1 - flag;
+    }
+
+    private void flags2Value() {
+        byte[] bytes = new byte[4];
+        bytes[0] = (byte) (flags >> 24);
+        bytes[1] = (byte) ((flags >> 16) & 0xFF);
+        bytes[2] = (byte) ((flags >> 8) & 0xFF);
+        bytes[3] = (byte) (flags & 0xFF);
+
+        setValue(bytes);
+    }
+
+    @Override
+    protected void toValue() throws IOException {
+        super.toValue();
+
+        if (getPadding() != 0 || getValue().length != 4) {
+            throw new IOException("Bad bitstring decoded as invalid krb flags");
+        }
+
+        byte[] valueBytes = getValue();
+        flags = ((valueBytes[0] & 0xFF) << 24) | ((valueBytes[1] & 0xFF) << 16) |
+                ((valueBytes[2] & 0xFF) << 8) | (0xFF & valueBytes[3]);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessage.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessage.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessage.java
new file mode 100644
index 0000000..965147f
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessage.java
@@ -0,0 +1,54 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.kerberos.kerb.KrbConstant;
+import org.apache.kerby.kerberos.kerb.spec.KrbAppSequenceType;
+
+public abstract class KrbMessage extends KrbAppSequenceType {
+    protected static int PVNO = 0;
+    protected static int MSG_TYPE = 1;
+
+    private final int pvno = KrbConstant.KRB_V5;
+
+    public KrbMessage(KrbMessageType msgType, Asn1FieldInfo[] fieldInfos) {
+        super(msgType.getValue(), fieldInfos);
+        setPvno(pvno);
+        setMsgType(msgType);
+    }
+
+    public int getPvno() {
+        return pvno;
+    }
+
+    protected void setPvno(int pvno) {
+        setFieldAsInt(0, pvno);
+    }
+
+    public KrbMessageType getMsgType() {
+        Integer value = getFieldAsInteger(MSG_TYPE);
+        return KrbMessageType.fromValue(value);
+    }
+
+    public void setMsgType(KrbMessageType msgType) {
+        setFieldAsInt(MSG_TYPE, msgType.getValue());
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessageType.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessageType.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessageType.java
new file mode 100644
index 0000000..0f6cb59
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbMessageType.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.kerby.kerberos.kerb.spec.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum KrbMessageType implements KrbEnum {
+    NONE(-1),
+    AS_REQ(10),
+    AS_REP(11),
+    TGS_REQ(12),
+    TGS_REP(13),
+    AP_REQ(14),
+    AP_REP(15),
+    KRB_SAFE(20),
+    KRB_PRIV(21),
+    KRB_CRED(22),
+    KRB_ERROR(30);
+
+    private int value;
+
+    private KrbMessageType(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static KrbMessageType fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value.intValue()) {
+                    return (KrbMessageType) e;
+                }
+            }
+        }
+
+        return NONE;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbToken.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbToken.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbToken.java
new file mode 100644
index 0000000..19da8a7
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbToken.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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.asn1.type.Asn1OctetString;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+import java.nio.ByteBuffer;
+import java.util.Map;
+
+/**
+ KRB-TOKEN_VALUE ::= SEQUENCE {
+    token-format [0] INTEGER,
+    token-value  [1] OCTET STRING,
+ }
+ */
+public class KrbToken extends KrbSequenceType {
+    private static KrbTokenEncoder tokenEncoder;
+
+    private static int TOKEN_FORMAT = 0;
+    private static int TOKEN_VALUE = 1;
+
+    private Map<String, Object> attributes;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(TOKEN_FORMAT, 0, Asn1Integer.class),
+            new Asn1FieldInfo(TOKEN_VALUE, 1, Asn1OctetString.class)
+    };
+
+    public KrbToken() {
+        super(fieldInfos);
+    }
+
+    @Override
+    public void encode(ByteBuffer buffer) {
+        setTokenValue(tokenEncoder.encode(this));
+        super.encode(buffer);
+    }
+
+    /*
+    @Override
+    public void decode(ByteBuffer content) throws IOException {
+        super.decode(content);
+        this.attributes = tokenEncoder.decode(this);
+    }
+    */
+
+    public static void setTokenEncoder(KrbTokenEncoder encoder) {
+        tokenEncoder = encoder;
+    }
+
+    public TokenFormat getTokenFormat() {
+        Integer value = getFieldAsInteger(TOKEN_FORMAT);
+        return TokenFormat.fromValue(value);
+    }
+
+    public void setTokenFormat(TokenFormat tokenFormat) {
+        setFieldAsInt(TOKEN_FORMAT, tokenFormat.getValue());
+    }
+
+    public byte[] getTokenValue() {
+        return getFieldAsOctets(TOKEN_VALUE);
+    }
+
+    public void setTokenValue(byte[] tokenValue) {
+        setFieldAsOctets(TOKEN_VALUE, tokenValue);
+    }
+
+    public Map<String, Object> getAttributes() {
+        if (attributes == null) {
+            this.attributes = tokenEncoder.decode(this);
+        }
+        return attributes;
+    }
+
+    public String getPrincipal() {
+        return (String) attributes.get("sub");
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbTokenEncoder.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbTokenEncoder.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbTokenEncoder.java
new file mode 100644
index 0000000..761b353
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/KrbTokenEncoder.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.common;
+
+import java.util.Map;
+
+public interface KrbTokenEncoder {
+
+    public byte[] encode(KrbToken token);
+    public Map<String, Object> decode(KrbToken token);
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReq.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReq.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReq.java
new file mode 100644
index 0000000..b22906e
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReq.java
@@ -0,0 +1,32 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceOfType;
+
+/**
+ LastReq         ::=     SEQUENCE OF SEQUENCE {
+ lr-type         [0] Int32,
+ lr-value        [1] KerberosTime
+ }
+ */
+public class LastReq extends KrbSequenceOfType<LastReqEntry> {
+
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqEntry.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqEntry.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqEntry.java
new file mode 100644
index 0000000..d3c11a8
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqEntry.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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.kerberos.kerb.spec.KerberosTime;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+/**
+ LastReq         ::=     SEQUENCE OF SEQUENCE {
+ lr-type         [0] Int32,
+ lr-value        [1] KerberosTime
+ }
+ */
+public class LastReqEntry extends KrbSequenceType {
+    private static int LR_TYPE = 0;
+    private static int LR_VALUE = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(LR_TYPE, 0, Asn1Integer.class),
+            new Asn1FieldInfo(LR_VALUE, 1, KerberosTime.class)
+    };
+
+    public LastReqEntry() {
+        super(fieldInfos);
+    }
+
+    public LastReqType getLrType() {
+        Integer value = getFieldAsInteger(LR_TYPE);
+        return LastReqType.fromValue(value);
+    }
+
+    public void setLrType(LastReqType lrType) {
+        setFieldAsInt(LR_TYPE, lrType.getValue());
+    }
+
+    public KerberosTime getLrValue() {
+        return getFieldAs(LR_VALUE, KerberosTime.class);
+    }
+
+    public void setLrValue(KerberosTime lrValue) {
+        setFieldAs(LR_VALUE, lrValue);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqType.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqType.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqType.java
new file mode 100644
index 0000000..bed2c93
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/LastReqType.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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum LastReqType implements KrbEnum {
+    NONE(0),
+    ALL_LAST_TGT(1),
+    THE_LAST_TGT(-1),
+    ALL_LAST_INITIAL(2),
+    THE_LAST_INITIAL(-2),
+    ALL_LAST_TGT_ISSUED(3),
+    THE_LAST_TGT_ISSUED(-3),
+    ALL_LAST_RENEWAL(4),
+    THE_LAST_RENEWAL(-4),
+    ALL_LAST_REQ(5),
+    THE_LAST_REQ(-5),
+    ALL_PW_EXPTIME(6),
+    THE_PW_EXPTIME(-6),
+    ALL_ACCT_EXPTIME(7),
+    THE_ACCT_EXPTIME(-7);
+
+    private int value;
+
+    private LastReqType(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static LastReqType fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value) {
+                    return (LastReqType) e;
+                }
+            }
+        }
+        return NONE;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/MethodData.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/MethodData.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/MethodData.java
new file mode 100644
index 0000000..e576e8c
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/MethodData.java
@@ -0,0 +1,30 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceOfType;
+import org.apache.kerby.kerberos.kerb.spec.pa.PaDataEntry;
+
+/**
+ METHOD-DATA     ::= SEQUENCE OF PA-DATA
+ */
+public class MethodData extends KrbSequenceOfType<PaDataEntry> {
+
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/NameType.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/NameType.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/NameType.java
new file mode 100644
index 0000000..849f9f9
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/NameType.java
@@ -0,0 +1,54 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum NameType implements KrbEnum {
+    NT_UNKNOWN(0),
+    NT_PRINCIPAL(1),
+    NT_SRV_INST(2),
+    NT_SRV_HST(3),
+    NT_SRV_XHST(4),
+    NT_UID(5);
+    
+    private int value;
+
+    private NameType(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static NameType fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value.intValue()) {
+                    return (NameType) e;
+                }
+            }
+        }
+
+        return NT_UNKNOWN;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/PrincipalName.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/PrincipalName.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/PrincipalName.java
new file mode 100644
index 0000000..eef8ede
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/PrincipalName.java
@@ -0,0 +1,199 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.kerberos.kerb.spec.KerberosStrings;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ PrincipalName   ::= SEQUENCE {
+ name-type       [0] Int32,
+ name-string     [1] SEQUENCE OF KerberosString
+ }
+ */
+public class PrincipalName extends KrbSequenceType {
+    private String realm;
+
+    private static int NAME_TYPE = 0;
+    private static int NAME_STRING = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(NAME_TYPE, Asn1Integer.class),
+            new Asn1FieldInfo(NAME_STRING, KerberosStrings.class)
+    };
+
+    public PrincipalName() {
+        super(fieldInfos);
+    }
+
+    public PrincipalName(String nameString) {
+        this();
+        setNameType(NameType.NT_PRINCIPAL);
+        fromNameString(nameString);
+    }
+
+    public PrincipalName(List<String> nameStrings, NameType type) {
+        this();
+        setNameStrings(nameStrings);
+        setNameType(type);
+    }
+
+    public NameType getNameType() {
+        Integer value = getFieldAsInteger(NAME_TYPE);
+        return NameType.fromValue(value);
+    }
+
+    public void setNameType(NameType nameType) {
+        setFieldAsInt(NAME_TYPE, nameType.getValue());
+    }
+
+    public List<String> getNameStrings() {
+        KerberosStrings krbStrings = getFieldAs(NAME_STRING, KerberosStrings.class);
+        if (krbStrings != null) {
+            return krbStrings.getAsStrings();
+        }
+        return Collections.EMPTY_LIST;
+    }
+
+    public void setNameStrings(List<String> nameStrings) {
+        setFieldAs(NAME_STRING, new KerberosStrings(nameStrings));
+    }
+
+    public void setRealm(String realm) {
+        this.realm = realm;
+    }
+
+    public String getRealm() {
+        return this.realm;
+    }
+
+    public String getName() {
+        return makeSingleName();
+    }
+
+    private String makeSingleName() {
+        List<String> names = getNameStrings();
+        StringBuilder sb = new StringBuilder();
+        boolean isFirst = true;
+        for (String name : names) {
+            sb.append(name);
+            if (isFirst && names.size() > 1) {
+                sb.append('/');
+            }
+            isFirst = false;
+        }
+
+        String realm = getRealm();
+        if (realm != null && !realm.isEmpty()) {
+            sb.append('@');
+            sb.append(realm);
+        }
+
+        return sb.toString();
+    }
+
+    @Override
+    public String toString() {
+        return getName();
+    }
+
+    @Override
+    public int hashCode() {
+        return getName().hashCode();
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (other == null) {
+            return false;
+        } else if (this == other) {
+            return true;
+        } else if (other instanceof String) {
+            String otherPrincipal = (String) other;
+            String thisPrincipal = getName();
+            return thisPrincipal.equals(otherPrincipal);
+        } else if (! (other instanceof PrincipalName)) {
+            return false;
+        }
+
+        PrincipalName otherPrincipal = (PrincipalName) other;
+        if (getNameType() != ((PrincipalName) other).getNameType()) {
+            return false;
+        }
+
+        return getName().equals(otherPrincipal.getName());
+    }
+
+    private void fromNameString(String nameString) {
+        String tmpRealm = null;
+        List<String> nameStrings;
+        int pos = nameString.indexOf('@');
+        String nameParts = nameString;
+        if (pos != -1) {
+            nameParts = nameString.substring(0, pos);
+            tmpRealm = nameString.substring(pos + 1);
+        }
+        String parts[] = nameParts.split("\\/");
+        nameStrings = Arrays.asList(parts);
+
+        setNameStrings(nameStrings);
+        setRealm(tmpRealm);
+    }
+
+    public static String extractRealm(String principal) {
+        int pos = principal.indexOf('@');
+
+        if (pos > 0) {
+            return principal.substring(pos + 1);
+        }
+
+        throw new IllegalArgumentException("Not a valid principal, missing realm name");
+    }
+
+
+    public static String extractName(String principal) {
+        int pos = principal.indexOf('@');
+
+        if (pos < 0) {
+            return principal;
+        }
+
+        return principal.substring(0, pos);
+    }
+
+    public static String makeSalt(PrincipalName principalName) {
+        StringBuilder salt = new StringBuilder();
+        if (principalName.getRealm() != null) {
+            salt.append(principalName.getRealm().toString());
+        }
+        List<String> nameStrings = principalName.getNameStrings();
+        for (String ns : nameStrings) {
+            salt.append(ns);
+        }
+        return salt.toString();
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/Realm.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/Realm.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/Realm.java
new file mode 100644
index 0000000..696ea99
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/Realm.java
@@ -0,0 +1,34 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KerberosString;
+
+/**
+ * Realm           ::= KerberosString
+ */
+public class Realm extends KerberosString {
+    public Realm() {
+    }
+
+    public Realm(String value) {
+        super(value);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/SamType.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/SamType.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/SamType.java
new file mode 100644
index 0000000..75e876f
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/SamType.java
@@ -0,0 +1,66 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum SamType implements KrbEnum
+{
+    SAM_NONE(0),
+    /** safe SAM type enum for Enigma Logic */
+    SAM_TYPE_ENIGMA(1), // Enigma Logic"
+
+    /** safe SAM type enum for Digital Pathways */
+    SAM_TYPE_DIGI_PATH(2), // Digital Pathways
+
+    /** safe SAM type enum for S/key where KDC has key 0 */
+    SAM_TYPE_SKEY_K0(3), // S/key where KDC has key 0
+
+    /** safe SAM type enum for Traditional S/Key */
+    SAM_TYPE_SKEY(4), // Traditional S/Key
+
+    /** safe SAM type enum for Security Dynamics */
+    SAM_TYPE_SECURID(5), // Security Dynamics
+
+    /** safe SAM type enum for CRYPTOCard */
+    SAM_TYPE_CRYPTOCARD(6); // CRYPTOCard
+
+    private int value;
+
+    private SamType(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static SamType fromValue(Integer value) {
+        if (value != null) {
+            for (SamType st : SamType.values() ) {
+                if (value == st.getValue()) {
+                    return st;
+                }
+            }
+        }
+        return SAM_NONE;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TokenFormat.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TokenFormat.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TokenFormat.java
new file mode 100644
index 0000000..b14751b
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TokenFormat.java
@@ -0,0 +1,50 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum TokenFormat implements KrbEnum {
+    NONE                (0),
+    JWT                 (1);
+
+    private final int value;
+
+    private TokenFormat(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static TokenFormat fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value.intValue()) {
+                    return (TokenFormat) e;
+                }
+            }
+        }
+
+        return NONE;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncoding.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncoding.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncoding.java
new file mode 100644
index 0000000..3cbd995
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncoding.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.common;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.asn1.type.Asn1OctetString;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+/**
+ TransitedEncoding       ::= SEQUENCE {
+ tr-type         [0] Int32 -- must be registered --,
+ contents        [1] OCTET STRING
+ }
+ */
+public class TransitedEncoding extends KrbSequenceType {
+    private static int TR_TYPE = 0;
+    private static int CONTENTS = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(TR_TYPE, 0, Asn1Integer.class),
+            new Asn1FieldInfo(CONTENTS, 1, Asn1OctetString.class)
+    };
+
+    public TransitedEncoding() {
+        super(fieldInfos);
+    }
+
+    public TransitedEncodingType getTrType() {
+        Integer value = getFieldAsInteger(TR_TYPE);
+        return TransitedEncodingType.fromValue(value);
+    }
+
+    public void setTrType(TransitedEncodingType trType) {
+        setField(TR_TYPE, trType);
+    }
+
+    public byte[] getContents() {
+        return getFieldAsOctets(CONTENTS);
+    }
+
+    public void setContents(byte[] contents) {
+        setFieldAsOctets(CONTENTS, contents);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncodingType.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncodingType.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncodingType.java
new file mode 100644
index 0000000..8acfb1b
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/common/TransitedEncodingType.java
@@ -0,0 +1,51 @@
+/**
+ *  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.common;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum TransitedEncodingType implements KrbEnum {
+    UNKNOWN(-1),
+    NULL(0),
+    DOMAIN_X500_COMPRESS(1);
+
+    private final int value;
+
+    private TransitedEncodingType(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static TransitedEncodingType fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value.intValue()) {
+                    return (TransitedEncodingType) e;
+                }
+            }
+        }
+
+        return NULL;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/ArmorType.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/ArmorType.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/ArmorType.java
new file mode 100644
index 0000000..1bd0589
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/ArmorType.java
@@ -0,0 +1,50 @@
+/**
+ *  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.fast;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum ArmorType implements KrbEnum {
+    NONE                (0),
+    ARMOR_AP_REQUEST              (1);
+
+    private final int value;
+
+    private ArmorType(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static ArmorType fromValue(Integer value) {
+        if (value != null) {
+            for (KrbEnum e : values()) {
+                if (e.getValue() == value.intValue()) {
+                    return (ArmorType) e;
+                }
+            }
+        }
+
+        return NONE;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOption.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOption.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOption.java
new file mode 100644
index 0000000..5819d7c
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOption.java
@@ -0,0 +1,51 @@
+/**
+ *  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.fast;
+
+import org.apache.kerby.kerberos.kerb.spec.KrbEnum;
+
+public enum FastOption implements KrbEnum {
+    NONE(-1),
+    RESERVED(0),
+    HIDE_CLIENT_NAMES(1),
+
+    KDC_FOLLOW_REFERRALS(16);
+
+    private final int value;
+
+    private FastOption(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public int getValue() {
+        return value;
+    }
+
+    public static FastOption fromValue(int value) {
+        for (KrbEnum e : values()) {
+            if (e.getValue() == value) {
+                return (FastOption) e;
+            }
+        }
+
+        return NONE;
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOptions.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOptions.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOptions.java
new file mode 100644
index 0000000..80ab325
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/FastOptions.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.spec.fast;
+
+import org.apache.kerby.kerberos.kerb.spec.common.KrbFlags;
+
+public class FastOptions extends KrbFlags {
+
+    public FastOptions() {
+        this(0);
+    }
+
+    public FastOptions(int value) {
+        setFlags(value);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmor.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmor.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmor.java
new file mode 100644
index 0000000..6fd36af
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmor.java
@@ -0,0 +1,64 @@
+/**
+ *  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.fast;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.asn1.type.Asn1Integer;
+import org.apache.kerby.asn1.type.Asn1OctetString;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+
+/**
+ KrbFastArmor ::= SEQUENCE {
+     armor-type   [0] Int32,
+     -- Type of the armor.
+     armor-value  [1] OCTET STRING,
+     -- Value of the armor.
+ }
+ */
+public class KrbFastArmor extends KrbSequenceType {
+    private static int ARMOR_TYPE = 0;
+    private static int ARMOR_VALUE = 1;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ARMOR_TYPE, Asn1Integer.class),
+            new Asn1FieldInfo(ARMOR_VALUE, Asn1OctetString.class)
+    };
+
+    public KrbFastArmor() {
+        super(fieldInfos);
+    }
+
+    public ArmorType getArmorType() {
+        Integer value = getFieldAsInteger(ARMOR_TYPE);
+        return ArmorType.fromValue(value);
+    }
+
+    public void setArmorType(ArmorType armorType) {
+        setFieldAsInt(ARMOR_TYPE, armorType.getValue());
+    }
+
+    public byte[] getArmorValue() {
+        return getFieldAsOctets(ARMOR_VALUE);
+    }
+
+    public void setArmorValue(byte[] armorValue) {
+        setFieldAsOctets(ARMOR_VALUE, armorValue);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredRep.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredRep.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredRep.java
new file mode 100644
index 0000000..5b4542f
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredRep.java
@@ -0,0 +1,52 @@
+/**
+ *  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.fast;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+import org.apache.kerby.kerberos.kerb.spec.common.EncryptedData;
+
+/**
+ KrbFastArmoredRep ::= SEQUENCE {
+    enc-fast-rep      [0] EncryptedData, -- KrbFastResponse --
+    -- The encryption key is the armor key in the request, and
+    -- the key usage number is KEY_USAGE_FAST_REP.
+ }
+ */
+public class KrbFastArmoredRep extends KrbSequenceType {
+    private static int ENC_FAST_REP = 0;
+
+    //private
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ENC_FAST_REP, EncryptedData.class)
+    };
+
+    public KrbFastArmoredRep() {
+        super(fieldInfos);
+    }
+
+    public EncryptedData getEncFastRep() {
+        return getFieldAs(ENC_FAST_REP, EncryptedData.class);
+    }
+
+    public void setEncFastRep(EncryptedData encFastRep) {
+        setFieldAs(ENC_FAST_REP, encFastRep);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredReq.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredReq.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredReq.java
new file mode 100644
index 0000000..2434103
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastArmoredReq.java
@@ -0,0 +1,95 @@
+/**
+ *  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.fast;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+import org.apache.kerby.kerberos.kerb.spec.common.CheckSum;
+import org.apache.kerby.kerberos.kerb.spec.common.EncryptedData;
+
+/**
+ KrbFastArmoredReq ::= SEQUENCE {
+     armor        [0] KrbFastArmor OPTIONAL,
+     -- Contains the armor that identifies the armor key.
+     -- MUST be present in AS-REQ.
+     req-checksum [1] Checksum,
+     -- For AS, contains the checksum performed over the type
+     -- KDC-REQ-BODY for the req-body field of the KDC-REQ
+     -- structure;
+     -- For TGS, contains the checksum performed over the type
+     -- AP-REQ in the PA-TGS-REQ padata.
+     -- The checksum key is the armor key, the checksum
+     -- type is the required checksum type for the enctype of
+     -- the armor key, and the key usage number is
+     -- KEY_USAGE_FAST_REQ_CHKSUM.
+     enc-fast-req [2] EncryptedData, -- KrbFastReq --
+     -- The encryption key is the armor key, and the key usage
+     -- number is KEY_USAGE_FAST_ENC.
+ }
+ */
+public class KrbFastArmoredReq extends KrbSequenceType {
+    private static int ARMOR = 0;
+    private static int REQ_CHECKSUM = 1;
+    private static int ENC_FAST_REQ = 2;
+
+    private KrbFastReq fastReq;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(ARMOR, KrbFastArmor.class),
+            new Asn1FieldInfo(REQ_CHECKSUM, CheckSum.class),
+            new Asn1FieldInfo(ENC_FAST_REQ, EncryptedData.class),
+    };
+
+    public KrbFastArmoredReq() {
+        super(fieldInfos);
+    }
+
+    public KrbFastArmor getArmor() {
+        return getFieldAs(ARMOR, KrbFastArmor.class);
+    }
+
+    public void setArmor(KrbFastArmor armor) {
+        setFieldAs(ARMOR, armor);
+    }
+
+    public CheckSum getReqChecksum() {
+        return getFieldAs(REQ_CHECKSUM, CheckSum.class);
+    }
+
+    public void setReqChecksum(CheckSum checkSum) {
+        setFieldAs(REQ_CHECKSUM, checkSum);
+    }
+
+    public KrbFastReq getFastReq() {
+        return fastReq;
+    }
+
+    public void setFastReq(KrbFastReq fastReq) {
+        this.fastReq = fastReq;
+    }
+
+    public EncryptedData getEncryptedFastReq() {
+        return getFieldAs(ENC_FAST_REQ, EncryptedData.class);
+    }
+
+    public void setEncryptedFastReq(EncryptedData encFastReq) {
+        setFieldAs(ENC_FAST_REQ, encFastReq);
+    }
+}

http://git-wip-us.apache.org/repos/asf/directory-kerberos/blob/ceacb982/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastFinished.java
----------------------------------------------------------------------
diff --git a/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastFinished.java b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastFinished.java
new file mode 100644
index 0000000..22f3ba8
--- /dev/null
+++ b/kerby-kerb/kerb-core/src/main/java/org/apache/kerby/kerberos/kerb/spec/fast/KrbFastFinished.java
@@ -0,0 +1,82 @@
+/**
+ *  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.fast;
+
+import org.apache.kerby.asn1.type.Asn1FieldInfo;
+import org.apache.kerby.kerberos.kerb.spec.KrbSequenceType;
+import org.apache.kerby.kerberos.kerb.spec.common.CheckSum;
+import org.apache.kerby.kerberos.kerb.spec.common.EncryptedData;
+import org.apache.kerby.kerberos.kerb.spec.pa.PaData;
+
+/**
+ KrbFastFinished ::= SEQUENCE {
+     timestamp       [0] KerberosTime,
+     usec            [1] Microseconds,
+     -- timestamp and usec represent the time on the KDC when
+     -- the reply was generated.
+     crealm          [2] Realm,
+     cname           [3] PrincipalName,
+     -- Contains the client realm and the client name.
+     ticket-checksum [4] Checksum,
+     -- checksum of the ticket in the KDC-REP using the armor
+     -- and the key usage is KEY_USAGE_FAST_FINISH.
+     -- The checksum type is the required checksum type
+     -- of the armor key.
+ }
+ */
+public class KrbFastFinished extends KrbSequenceType {
+    private static int FAST_OPTIONS = 0;
+    private static int PADATA = 1;
+    private static int REQ_BODY = 2;
+
+    static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] {
+            new Asn1FieldInfo(FAST_OPTIONS, KrbFastArmor.class),
+            new Asn1FieldInfo(PADATA, PaData.class),
+            new Asn1FieldInfo(REQ_BODY, EncryptedData.class),
+    };
+
+    public KrbFastFinished() {
+        super(fieldInfos);
+    }
+
+    public KrbFastArmor getArmor() {
+        return getFieldAs(FAST_OPTIONS, KrbFastArmor.class);
+    }
+
+    public void setArmor(KrbFastArmor armor) {
+        setFieldAs(FAST_OPTIONS, armor);
+    }
+
+    public CheckSum getReqChecksum() {
+        return getFieldAs(PADATA, CheckSum.class);
+    }
+
+    public void setReqChecksum(CheckSum checkSum) {
+        setFieldAs(PADATA, checkSum);
+    }
+
+    public EncryptedData getEncFastReq() {
+        return getFieldAs(REQ_BODY, EncryptedData.class);
+    }
+
+    public void setEncFastReq(EncryptedData encFastReq) {
+        setFieldAs(REQ_BODY, encFastReq);
+    }
+}


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