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From erodrig...@apache.org
Subject svn commit: r125809 - incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der
Date Thu, 20 Jan 2005 20:01:39 GMT
Author: erodriguez
Date: Thu Jan 20 12:01:38 2005
New Revision: 125809

URL: http://svn.apache.org/viewcvs?view=rev&rev=125809
Log:
Apache DER codecs for Kerberos.
Added:
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1InputStream.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1OutputStream.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERConstructedOctetString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERNull.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSequence.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSet.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERTaggedObject.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERApplicationSpecific.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBMPString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBitString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBoolean.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREncodable.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREnumerated.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralizedTime.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERIA5String.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERInteger.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNull.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNumericString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObject.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObjectIdentifier.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEROctetString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERPrintableString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSequence.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSet.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTaggedObject.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTeletexString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTCTime.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTF8String.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUniversalString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUnknownTag.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERVisibleString.java
   incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/OIDTokenizer.java

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1InputStream.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1InputStream.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1InputStream.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,461 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.EOFException;
+import java.io.FilterInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Vector;
+
+/**
+ * General purpose ASN.1 decoder.
+ */
+public class ASN1InputStream extends FilterInputStream
+{
+    private boolean EOF_FOUND = false;
+    
+    private DERObject END_OF_STREAM = new DERObject( 0, null ) {
+                                        public void encode( ASN1OutputStream out )
+                                        throws IOException
+                                        {
+                                            throw new IOException("End of stream.");
+                                        }
+                                        public int hashCode()
+                                        {
+                                            return 0;
+                                        }
+                                        public boolean equals( Object o ) 
+                                        {
+                                            return o == this;
+                                        }
+                                    };
+
+    public ASN1InputStream( InputStream is )
+    {
+        super( is );
+    }
+
+    public ASN1InputStream( byte[] input )
+    {
+        super( new ByteArrayInputStream( input ) );
+    }
+    
+    protected int readLength()
+        throws IOException
+    {
+        int length = read();
+        if ( length < 0 )
+        {
+            throw new IOException( "EOF found when length expected." );
+        }
+        
+        // Indefinite-length encoding.
+        if ( length == 0x80 )
+        {
+            return -1;
+        }
+
+        if ( length > 127 )
+        {
+            int size = length & 0x7f;
+
+            if ( size > 4 )
+            {
+                throw new IOException( "DER length more than 4 bytes." );
+            }
+            
+            length = 0;
+            for ( int i = 0; i < size; i++ )
+            {
+                int next = read();
+
+                if ( next < 0 )
+                {
+                    throw new IOException( "EOF found reading length." );
+                }
+
+                length = ( length << 8 ) + next;
+            }
+            
+            if ( length < 0 )
+            {
+                throw new IOException( "Corrupted steam - negative length found." );
+            }
+        }
+
+        return length;
+    }
+
+    protected void readFully( byte[] bytes )
+        throws IOException
+    {
+        int left = bytes.length;
+        int len;
+
+        if ( left == 0 )
+        {
+            return;
+        }
+
+        while ( ( len = read( bytes, bytes.length - left, left ) ) > 0 )
+        {
+            if ( ( left -= len ) == 0 )
+            {
+                return;
+            }
+        }
+
+        if ( left != 0 )
+        {
+            throw new EOFException( "EOF encountered in middle of object." );
+        }
+    }
+
+    /**
+     * Build an object given its tag and a byte stream.
+     */
+    protected DEREncodable buildObject( int tag, byte[] bytes )
+        throws IOException
+    {
+        if ( ( tag & DERObject.APPLICATION ) != 0 )
+        {
+            return new DERApplicationSpecific( tag, bytes );
+        }
+        
+        switch ( tag )
+        {
+        case DERObject.NULL:
+            return new DERNull();   
+        case DERObject.SEQUENCE | DERObject.CONSTRUCTED:
+            ByteArrayInputStream bais = new ByteArrayInputStream( bytes );
+            ASN1InputStream      ais  = new ASN1InputStream( bytes );
+            
+            DERSequence sequence = new DERSequence();
+
+            DEREncodable obj = ais.readObject();
+
+            while ( obj != null )
+            {
+                sequence.add( obj );
+                obj = ais.readObject();
+            }
+
+            return sequence;
+        case DERObject.SET | DERObject.CONSTRUCTED:
+            bais = new ByteArrayInputStream( bytes );
+            ais = new ASN1InputStream( bais );
+            DERSet set = new DERSet();
+
+            obj = ais.readObject();
+
+            while ( obj != null )
+            {
+                set.add( obj );
+                obj = ais.readObject();
+            }
+
+            return set;
+        case DERObject.BOOLEAN:
+            return new DERBoolean( bytes );
+        case DERObject.INTEGER:
+            return new DERInteger( bytes );
+        case DERObject.ENUMERATED:
+            return new DEREnumerated( bytes );
+        case DERObject.OBJECT_IDENTIFIER:
+            return new DERObjectIdentifier( bytes );
+        case DERObject.BIT_STRING:
+            return new DERBitString( bytes );
+        case DERObject.NUMERIC_STRING:
+            return new DERNumericString( bytes );
+        case DERObject.UTF8_STRING:
+            return new DERUTF8String( bytes );
+        case DERObject.PRINTABLE_STRING:
+            return new DERPrintableString( bytes );
+        case DERObject.IA5_STRING:
+            return new DERIA5String( bytes );
+        case DERObject.T61_STRING:
+            return new DERTeletexString( bytes );
+        case DERObject.VISIBLE_STRING:
+            return new DERVisibleString( bytes );
+        case DERObject.GENERAL_STRING:
+            return new DERGeneralString( bytes );
+        case DERObject.UNIVERSAL_STRING:
+            return new DERUniversalString( bytes );
+        case DERObject.BMP_STRING:
+            return new DERBMPString( bytes );
+        case DERObject.OCTET_STRING:
+            return new DEROctetString( bytes );
+        case DERObject.UTC_TIME:
+            return new DERUTCTime( bytes );
+        case DERObject.GENERALIZED_TIME:
+            return new DERGeneralizedTime( bytes );
+        default:
+            // Tag number is bottom 5 bits.
+            if ( ( tag & DERObject.TAGGED ) != 0 )  
+            {
+                int tagNo = tag & 0x1f;
+
+                if ( tagNo == 0x1f )
+                {
+                    int idx = 0;
+
+                    tagNo = 0;
+
+                    while ( ( bytes[ idx ] & 0x80 ) != 0 )
+                    {
+                        tagNo |= ( bytes[ idx++ ] & 0x7f );
+                        tagNo <<= 7;
+                    }
+
+                    tagNo |= ( bytes[ idx ] & 0x7f );
+
+                    byte[]  tmp = bytes;
+
+                    bytes = new byte[ tmp.length - ( idx + 1 ) ];
+                    System.arraycopy( tmp, idx + 1, bytes, 0, bytes.length );
+                }
+                
+                // Empty tag.
+                if ( bytes.length == 0 )
+                {
+                    if ( ( tag & DERObject.CONSTRUCTED ) == 0)
+                    {
+                        return new DERTaggedObject( tagNo, new DERNull() );
+                    }
+                    
+                    return new DERTaggedObject( false, tagNo, new DERSequence() );
+                }
+
+                // Simple type - implicit, return an octet string.
+                if ( ( tag & DERObject.CONSTRUCTED ) == 0 )
+                {
+                    return new DERTaggedObject( false, tagNo, new DEROctetString( bytes ) );
+                }
+
+                bais = new ByteArrayInputStream( bytes );
+                ais = new ASN1InputStream( bais );
+
+                DEREncodable encodable = ais.readObject();
+
+                // Explicitly tagged - if it isn't we'd have to tell from the context.
+                if ( ais.available() == 0 )
+                {
+                    return new DERTaggedObject( tagNo, encodable );
+                }
+
+                // Another implicit object, create a sequence.
+                DERSequence derSequence = new DERSequence();
+
+                while ( encodable != null )
+                {
+                    derSequence.add( encodable );
+                    encodable = ais.readObject();
+                }
+
+                return new DERTaggedObject( false, tagNo, derSequence );
+            }
+
+            return new DERUnknownTag( tag, bytes );
+        }
+    }
+
+    /**
+     * Read a string of bytes representing an indefinite length object.
+     */
+    private byte[] readIndefiniteLengthFully()
+        throws IOException
+    {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        int b, b1;
+
+        b1 = read();
+
+        while ( ( b = read() ) >= 0 )
+        {
+            if ( b1 == 0 && b == 0 )
+            {
+                break;
+            }
+
+            baos.write( b1 );
+            b1 = b;
+        }
+
+        return baos.toByteArray();
+    }
+
+    private BERConstructedOctetString buildConstructedOctetString()
+        throws IOException
+    {
+        Vector octets = new Vector();
+
+        for (;;)
+        {
+            DEREncodable encodable = readObject();
+
+            if ( encodable == END_OF_STREAM )
+            {
+                break;
+            }
+
+            octets.addElement( encodable );
+        }
+
+        return new BERConstructedOctetString( octets );
+    }
+
+    public DEREncodable readObject()
+        throws IOException
+    {
+        int tag = read();
+        if ( tag == -1 )
+        {
+            if ( EOF_FOUND )
+            {
+                throw new EOFException( "Attempt to read past end of file." );
+            }
+
+            EOF_FOUND = true;
+
+            return null;
+        }
+        
+        int length = readLength();
+        
+        // Indefinite length method.
+        if ( length < 0 )
+        {
+            switch ( tag )
+            {
+            case DERObject.NULL:
+                return new BERNull();
+            case DERObject.SEQUENCE | DERObject.CONSTRUCTED:
+                BERSequence sequence = new BERSequence();
+    
+                for (;;)
+                {
+                    DEREncodable obj = readObject();
+
+                    if ( obj == END_OF_STREAM )
+                    {
+                        break;
+                    }
+
+                    sequence.add( obj );
+                }
+                return sequence;
+            case DERObject.SET | DERObject.CONSTRUCTED:
+                BERSet set = new BERSet();
+    
+                for (;;)
+                {
+                    DEREncodable obj = readObject();
+
+                    if ( obj == END_OF_STREAM )
+                    {
+                        break;
+                    }
+
+                    set.add( obj );
+                }
+                return set;
+            case DERObject.OCTET_STRING | DERObject.CONSTRUCTED:
+                return buildConstructedOctetString();
+            default:
+                // Tag number is bottom 5 bits.
+                if ( ( tag & DERObject.TAGGED ) != 0 )  
+                {
+                    int tagNo = tag & 0x1f;
+
+                    if ( tagNo == 0x1f )
+                    {
+                        int b = read();
+
+                        tagNo = 0;
+
+                        while ( ( b >= 0 ) && ( ( b & 0x80 ) != 0 ) )
+                        {
+                            tagNo |= ( b & 0x7f );
+                            tagNo <<= 7;
+                            b = read();
+                        }
+
+                        tagNo |= ( b & 0x7f );
+                    }
+
+                    // Simple type - implicit, return an octet string.
+                    if ( ( tag & DERObject.CONSTRUCTED ) == 0 )
+                    {
+                        byte[]  bytes = readIndefiniteLengthFully();
+
+                        return new BERTaggedObject( false, tagNo, new DEROctetString( bytes ) );
+                    }
+
+                    // Either constructed or explicitly tagged
+                    DEREncodable dObj = readObject();
+                    
+                    // Empty tag!
+                    if ( dObj == END_OF_STREAM )
+                    {
+                        return new DERTaggedObject( tagNo );
+                    }
+
+                    DEREncodable next = readObject();
+
+                    // Explicitly tagged.
+                    if ( next == END_OF_STREAM )
+                    {
+                        return new BERTaggedObject( tagNo, dObj );
+                    }
+
+                    // Another implicit object, create a sequence.
+                    BERSequence berSequence = new BERSequence();
+
+                    berSequence.add( dObj );
+
+                    do
+                    {
+                    	berSequence.add( next );
+                        next = readObject();
+                    }
+                    while ( next != END_OF_STREAM );
+
+                    return new BERTaggedObject( false, tagNo, berSequence );
+                }
+
+                throw new IOException( "Unknown BER object encountered." );
+            }
+        }
+        
+        // End of contents marker.
+        if ( tag == 0 && length == 0 )
+        {
+            return END_OF_STREAM;
+        }
+
+        byte[] bytes = new byte[ length ];
+
+        readFully( bytes );
+
+        return buildObject( tag, bytes );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1OutputStream.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1OutputStream.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/ASN1OutputStream.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,90 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.FilterOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+
+public class ASN1OutputStream extends FilterOutputStream
+{
+    public ASN1OutputStream( OutputStream os )
+    {
+        super( os );
+    }
+
+    private void writeLength( int length )
+        throws IOException
+    {
+        if ( length > 127 )
+        {
+            int size = 1;
+            int val = length;
+
+            while ( ( val >>>= 8 ) != 0 )
+            {
+                size++;
+            }
+            
+            write( (byte)( size | 0x80 ) );
+
+            for ( int i = (size - 1) * 8; i >= 0; i -= 8 )
+            {
+                write( (byte)( length >> i ) );
+            }
+        }
+        else
+        {
+            write( (byte)length );
+        }
+    }
+
+    void writeEncoded( int tag, byte[] bytes )
+        throws IOException
+    {
+        write( tag );
+        writeLength( bytes.length );
+        write( bytes );
+    }
+
+    public void writeObject( Object obj )
+        throws IOException
+    {
+        if ( obj == null )
+        {
+            writeNull();
+        }
+        else if ( obj instanceof DEREncodable )
+        {
+            ( (DEREncodable)obj ).encode( this );
+        }
+        else 
+        {
+            throw new IOException( "Object not DEREncodable." );
+        }
+    }
+    
+    protected void writeNull()
+        throws IOException
+    {
+        write( DERObject.NULL );
+        write( DERObject.TERMINATOR );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERConstructedOctetString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERConstructedOctetString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERConstructedOctetString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,159 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Enumeration;
+import java.util.Vector;
+
+
+public class BERConstructedOctetString extends DEROctetString
+{
+	private Vector octets;
+    
+    /**
+     * @param string the octets making up the octet string.
+     */
+    public BERConstructedOctetString( byte[] string )
+    {
+        super( string );
+    }
+
+    public BERConstructedOctetString( Vector octets )
+    {
+        super( toBytes( octets ) );
+
+        this.octets = octets;
+    }
+    
+    /**
+     * Convert a vector of octet strings into a single byte string.
+     */
+    static private byte[] toBytes( Vector octs )
+    {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+
+        for ( int i = 0; i != octs.size(); i++ )
+        {
+            try
+            {
+                DEROctetString o = (DEROctetString)octs.elementAt( i );
+
+                baos.write( o.getOctets() );
+            }
+            catch (ClassCastException e)
+            {
+                throw new IllegalArgumentException( octs.elementAt( i ).getClass().getName() + " found in input should only contain DEROctetString." );
+            }
+            catch (IOException e)
+            {
+                throw new IllegalArgumentException( "Exception converting octets " + e.toString() );
+            }
+        }
+
+        return baos.toByteArray();
+    }
+
+    /**
+     * @return Enumeration the DER octets that make up this string.
+     */
+    public Enumeration getObjects()
+    {
+        if ( octets == null )
+        {
+            return generateOcts().elements();
+        }
+
+        return octets.elements();
+    }
+    
+    private Vector generateOcts()
+    {
+        int    start  = 0;
+        int    end    = 0;
+        Vector vector = new Vector();
+
+        while ( ( end + 1 ) < value.length )
+        {
+            if ( value[ end ] == 0 && value[ end + 1 ] == 0 )
+            {
+                byte[]  nStr = new byte[ end - start + 1 ];
+
+                System.arraycopy( value, start, nStr, 0, nStr.length );
+
+                vector.addElement( new DEROctetString( nStr ) );
+                start = end + 1;
+            }
+            end++;
+        }
+
+        byte[] nStr = new byte[ value.length - start ];
+
+        System.arraycopy( value, start, nStr, 0, nStr.length );
+
+        vector.addElement( new DEROctetString( nStr ) );
+
+        return vector;
+    }
+    
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        out.write( CONSTRUCTED | OCTET_STRING );
+
+        out.write( DERObject.TAGGED );
+        
+        if ( octets != null )
+        {
+            for ( int i = 0; i != octets.size(); i++ )
+            {
+                out.writeObject( octets.elementAt( i ) );
+            }
+        }
+        else
+        {
+            int start = 0;
+            int end   = 0;
+
+            while ( ( end + 1 ) < value.length )
+            {
+                if ( value[ end ] == 0 && value[ end + 1 ] == 0 )
+                {
+                    byte[] newString = new byte[ end - start + 1 ];
+
+                    System.arraycopy( value, start, newString, 0, newString.length );
+
+                    out.writeObject( new DEROctetString( newString ) );
+                    start = end + 1;
+                }
+                end++;
+            }
+
+            byte[] newString = new byte[ value.length - start ];
+
+            System.arraycopy( value, start, newString, 0, newString.length );
+
+            out.writeObject( new DEROctetString( newString ) );
+        }
+
+        out.write( TERMINATOR );
+        out.write( TERMINATOR );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERNull.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERNull.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERNull.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,33 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.IOException;
+
+/**
+ * A BER NULL object.
+ */
+public class BERNull extends DERNull
+{
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        out.write( NULL );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSequence.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSequence.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSequence.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.IOException;
+import java.util.Enumeration;
+
+public class BERSequence extends DERSequence
+{
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        out.write( DERObject.SEQUENCE | DERObject.CONSTRUCTED);
+        out.write( DERObject.TAGGED );
+        
+        Enumeration e = getObjects();
+        while ( e.hasMoreElements() )
+        {
+            out.writeObject( e.nextElement() );
+        }
+    
+        out.write( DERObject.TERMINATOR );
+        out.write( DERObject.TERMINATOR );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSet.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSet.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERSet.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,42 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.IOException;
+import java.util.Enumeration;
+
+
+public class BERSet extends DERSet
+{
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        out.write( DERObject.SET | DERObject.CONSTRUCTED );
+        out.write( DERObject.TAGGED );
+        
+        Enumeration e = getObjects();
+        while ( e.hasMoreElements() )
+        {
+            out.writeObject( e.nextElement() );
+        }
+    
+        out.write( DERObject.TERMINATOR );
+        out.write( DERObject.TERMINATOR );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERTaggedObject.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERTaggedObject.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/BERTaggedObject.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,102 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.IOException;
+import java.util.Enumeration;
+
+/**
+ * BER TaggedObject
+ */
+public class BERTaggedObject extends DERTaggedObject
+{
+    /**
+     * @param tag the tag number for this object.
+     * @param obj the tagged object.
+     */
+    public BERTaggedObject( int tag, DEREncodable obj )
+    {
+        super( tag, obj );
+    }
+
+    /**
+     * @param true if an explicitly tagged object.
+     * @param tag the tag number for this object.
+     * @param obj the tagged object.
+     */
+    public BERTaggedObject( boolean explicit, int tag, DEREncodable obj )
+    {
+        super( explicit, tag, obj );
+    }
+    
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        out.write( DERObject.CONSTRUCTED | DERObject.TAGGED | tag );
+        out.write( DERObject.TAGGED );
+
+        if ( !empty )
+        {
+            if ( !explicit )
+            {
+                if ( obj instanceof DEROctetString )
+                {
+                    Enumeration e;
+
+                    if ( obj instanceof BERConstructedOctetString )
+                    {
+                        e = ( (BERConstructedOctetString)obj ).getObjects();
+                    }
+                    else
+                    {
+                    	DEROctetString            octs = (DEROctetString)obj;
+                        BERConstructedOctetString berO = new BERConstructedOctetString( octs.getOctets() );
+
+                        e = berO.getObjects();
+                    }
+
+                    while ( e.hasMoreElements() )
+                    {
+                        out.writeObject( e.nextElement() );
+                    }
+                }
+                else if ( obj instanceof DERSequence )
+                {
+                    Enumeration  e = ( (DERSequence)obj ).getObjects();
+
+                    while ( e.hasMoreElements() )
+                    {
+                        out.writeObject( e.nextElement() );
+                    }
+                }
+                else
+                {
+                    throw new RuntimeException( "Not implemented: " + obj.getClass().getName() );
+                }
+            }
+            else
+            {
+                out.writeObject( obj );
+            }
+        }
+
+        out.write( DERObject.TERMINATOR );
+        out.write( DERObject.TERMINATOR );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERApplicationSpecific.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERApplicationSpecific.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERApplicationSpecific.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,72 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+/**
+ * DER Application Specific object.
+ */
+public class DERApplicationSpecific extends DERObject
+{
+    private int tag;
+    
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERApplicationSpecific( int tag, byte[] value )
+    {
+    	super( tag, value );
+        this.tag = tag;
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERApplicationSpecific valueOf( int tag, DEREncodable object ) 
+        throws IOException 
+    {
+        tag = tag | CONSTRUCTED;
+        
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ASN1OutputStream aos = new ASN1OutputStream( baos );
+        
+        aos.writeObject( object );
+        
+        return new DERApplicationSpecific( tag, baos.toByteArray() );
+    }
+    
+    public int getApplicationTag() 
+    {
+        return tag & 0x1F;
+    }
+    
+    public DEREncodable getObject() 
+        throws IOException 
+    {
+        return new ASN1InputStream( new ByteArrayInputStream( getOctets() ) ).readObject();
+    }
+    
+    public void encode( ASN1OutputStream out ) throws IOException
+    {
+        out.writeEncoded( APPLICATION | tag, value );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBMPString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBMPString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBMPString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,46 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER BMPString object.
+ */
+public class DERBMPString extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERBMPString( byte[] value )
+    {
+    	super( BMP_STRING, value );
+    }
+
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERBMPString valueOf( String string )
+    {
+        return new DERBMPString( stringToByteArray( string ) );
+    }
+
+    public String getString()
+    {
+        return byteArrayToString( value );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBitString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBitString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBitString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,51 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.IOException;
+
+/**
+ * DER Bit String object.
+ */
+public class DERBitString extends DERObject
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERBitString( byte[] value )
+    {
+    	super( BIT_STRING, value );
+    }
+    
+    public byte[] getOctets()
+    {
+        return value;
+    }
+    
+    public void encode( ASN1OutputStream out )
+    	throws IOException
+    {
+        byte[] bytes = new byte[ value.length + 1 ];
+
+        bytes[0] = (byte)0x00;
+        System.arraycopy( value, 0, bytes, 1, bytes.length - 1 );
+
+        out.writeEncoded( BIT_STRING, bytes );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBoolean.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBoolean.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERBoolean.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,56 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER Boolean object.
+ */
+public class DERBoolean extends DERObject
+{
+	private static final byte[] trueArray  = { (byte)0x01 };
+	private static final byte[] falseArray = { (byte)0x00 };
+	
+    public static final DERBoolean TRUE  = new DERBoolean( trueArray );
+    public static final DERBoolean FALSE = new DERBoolean( falseArray );
+    
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERBoolean( byte[] value )
+    {
+        super( BOOLEAN, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERBoolean valueOf( boolean value )
+    {
+        return ( value ? TRUE : FALSE );
+    }
+    
+    /**
+     * Lazy accessor
+     * @return boolean value
+     */
+    public boolean isTrue()
+    {
+        return value[ 0 ] == (byte)0x01;
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREncodable.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREncodable.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREncodable.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,29 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.IOException;
+
+/**
+ * Interface for encodable DER objects.
+ */
+public interface DEREncodable
+{
+    void encode( ASN1OutputStream out ) throws IOException;
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREnumerated.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREnumerated.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEREnumerated.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,73 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+
+/**
+ * DER Enumerated object.
+ */
+public class DEREnumerated extends DERObject
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DEREnumerated( byte[] value )
+    {
+    	super( ENUMERATED, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DEREnumerated valueOf( int integer )
+    {
+        return new DEREnumerated( intToOctet( integer ) );
+    }
+    
+    /**
+     * Lazy accessor
+     * @return integer value
+     */
+    public int intValue()
+    {
+        return octetToInt( value );
+    }
+    
+    private static int octetToInt( byte[] bytes )
+    {
+    	int result = 0;
+    	
+    	for ( int ii = 0; ii < Math.min( 4, bytes.length ); ii++ )
+    	{
+    		result += bytes[ ii ] * ( 16 ^ ii );
+    	}
+    	return result;
+    }
+	
+    private static byte[] intToOctet( int integer )
+    {
+        byte[] result = new byte[ 4 ];
+        
+        for ( int ii = 0, shift = 24; ii < 4; ii++, shift -= 8 )
+        {
+            result[ ii ] = (byte) ( 0xFF & ( integer >> shift ) );
+        }
+        return result;
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,39 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+
+public class DERGeneralString extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    DERGeneralString( byte[] value )
+    {
+    	super( GENERAL_STRING, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERGeneralString valueOf( String string )
+    {
+        return new DERGeneralString( stringToByteArray( string ) );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralizedTime.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralizedTime.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERGeneralizedTime.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,71 @@
+ /*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+/**
+ * DER Generalized time object.
+ */
+public class DERGeneralizedTime extends DERString
+{
+	private static final TimeZone UTC_TIME_ZONE = TimeZone.getTimeZone( "UTC" );
+    private static final SimpleDateFormat dateFormat = new SimpleDateFormat( "yyyyMMddHHmmss'Z'" );
+    
+	static
+	{
+		dateFormat.setTimeZone( UTC_TIME_ZONE );
+	}
+	
+    /**
+     * Basic DERObject constructor.
+     */
+    DERGeneralizedTime( byte[] value )
+    {
+    	super( GENERALIZED_TIME, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERGeneralizedTime valueOf( Date date )
+    {
+        String dateString = dateFormat.format( date );
+        
+        byte[] bytes = stringToByteArray( dateString );
+
+        return new DERGeneralizedTime( bytes );
+    }
+    
+    /**
+     * Lazy accessor
+     * @return Date representation of this DER Generalized Time
+     * @throws ParseException
+     */
+    public Date getDate()
+    	throws ParseException
+    {
+        String string = byteArrayToString( value );
+        
+        return dateFormat.parse( string );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERIA5String.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERIA5String.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERIA5String.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER IA5String object.
+ */
+public class DERIA5String extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    DERIA5String( byte[] value )
+    {
+    	super( IA5_STRING, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERIA5String valueOf( String string )
+    {
+        return new DERIA5String( stringToByteArray( string ) );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERInteger.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERInteger.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERInteger.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,62 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.math.BigInteger;
+
+/**
+ * DER Integer object.
+ */
+public class DERInteger extends DERObject
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    DERInteger( byte[] value )
+    {
+    	super( INTEGER, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERInteger valueOf( int integer )
+    {
+        return new DERInteger( intToOctet( integer ) );
+    }
+    
+    /**
+     * Lazy accessor
+     * @return integer value
+     */
+    public int intValue()
+    {
+        return octetToInt( value );
+    }
+    
+    private static int octetToInt( byte[] bytes )
+    {
+    	return new BigInteger( bytes ).intValue();
+    }
+	
+    private static byte[] intToOctet( int integer )
+    {
+        return BigInteger.valueOf( integer ).toByteArray();
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNull.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNull.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNull.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,32 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * A NULL object.
+ */
+public class DERNull extends DERObject
+{
+    private static final byte[] zeroBytes = new byte[ 0 ];
+
+    public DERNull()
+    {
+    	super( NULL, zeroBytes );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNumericString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNumericString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERNumericString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER NumericString - a string of ASCII numeric characters { 0,1,2,3,4,5,6,7,8,9 }.
+ */
+public class DERNumericString extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    DERNumericString( byte[] value )
+    {
+    	super( NUMERIC_STRING, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERNumericString valueOf( String string )
+    {
+    	return new DERNumericString( stringToByteArray( string ));
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObject.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObject.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObject.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,123 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+/**
+ * DER object.
+ */
+public abstract class DERObject implements DEREncodable
+{
+	static final int TERMINATOR        = 0x00;
+    static final int BOOLEAN           = 0x01;
+    static final int INTEGER           = 0x02;
+    static final int BIT_STRING        = 0x03;
+    static final int OCTET_STRING      = 0x04;
+    static final int NULL              = 0x05;
+    static final int OBJECT_IDENTIFIER = 0x06;
+    static final int EXTERNAL          = 0x08;
+    static final int ENUMERATED        = 0x0a;
+    static final int SEQUENCE          = 0x10;
+    static final int SET               = 0x11;
+    static final int NUMERIC_STRING    = 0x12;
+    static final int PRINTABLE_STRING  = 0x13;
+    static final int T61_STRING        = 0x14;
+    static final int VIDEOTEX_STRING   = 0x15;
+    static final int IA5_STRING        = 0x16;
+    static final int UTC_TIME          = 0x17;
+    static final int GENERALIZED_TIME  = 0x18;
+    static final int GRAPHIC_STRING    = 0x19;
+    static final int VISIBLE_STRING    = 0x1a;
+    static final int GENERAL_STRING    = 0x1b;
+    static final int UNIVERSAL_STRING  = 0x1c;
+    static final int BMP_STRING        = 0x1e;
+    static final int UTF8_STRING       = 0x0c;
+    static final int CONSTRUCTED       = 0x20;
+    static final int APPLICATION       = 0x40;
+    static final int TAGGED            = 0x80;
+    
+    protected int    tag;
+    protected byte[] value;
+    
+    /**
+     * Basic DERObject constructor.
+     */
+    protected DERObject( int tag, byte[] value )
+    {
+    	this.tag   = tag;
+    	this.value = value;
+    }
+    
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        out.writeEncoded( tag, value );
+    }
+    
+    byte[] getOctets()
+    {
+        return value;
+    }
+    
+    /**
+     * Fast rotate left and XOR hashcode generator.
+     * @return a hash code for the byte array backing this object.
+     */
+    public int hashCode()
+    {
+        int hash = 0;
+        int len = value.length;
+        
+        for ( int i = 0; i < len; i++ )
+        {
+        	// rotate left and xor
+            hash <<= 1;
+            if ( hash < 0 )
+            {
+            	hash |= 1;
+            }
+            hash ^= value[ i ];
+        }
+        
+        return hash;
+    }
+    
+    /**
+     * Two DERObjects are equal if their underlying byte arrays are equal.
+     * @return true if the two DERObject underlying byte arrays are equal.
+     */
+    public boolean equals( Object o )
+    {
+    	if ( this == o )
+    	{
+    		return true;
+    	}
+    	
+        if ( !( o instanceof DERObject ) )
+        {
+        	return false;
+        }
+        
+        DERObject that = (DERObject)o;
+        
+        return Arrays.equals( this.value, that.value );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObjectIdentifier.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObjectIdentifier.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERObjectIdentifier.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,131 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+
+public class DERObjectIdentifier extends DERObject
+{
+    String identifier;
+
+    DERObjectIdentifier( byte[] bytes )
+    {
+    	super( OBJECT_IDENTIFIER, bytes );
+    	
+        StringBuffer objId = new StringBuffer();
+        long         value = 0;
+        boolean      first = true;
+
+        for ( int i = 0; i != bytes.length; i++ )
+        {
+            int b = bytes[ i ] & 0xff;
+
+            value = value * 128 + ( b & 0x7f );
+            if ( ( b & 0x80 ) == 0 )             // end of number reached
+            {
+                if ( first )
+                {
+                    switch ( (int)value / 40 )
+                    {
+                    case 0:
+                        objId.append( '0' );
+                        break;
+                    case 1:
+                        objId.append( '1' );
+                        value -= 40;
+                        break;
+                    default:
+                        objId.append( '2' );
+                        value -= 80;
+                    }
+                    first = false;
+                }
+
+                objId.append( '.' );
+                objId.append( Long.toString( value ) );
+                value = 0;
+            }
+        }
+
+        this.identifier = objId.toString();
+    }
+    
+    private void writeField( OutputStream out, long fieldValue )
+        throws IOException
+    {
+        if ( fieldValue >= ( 1 << 7 ) )
+        {
+            if ( fieldValue >= ( 1 << 14 ) )
+            {
+                if ( fieldValue >= ( 1 << 21 ) )
+                {
+                    if ( fieldValue >= ( 1 << 28 ) )
+                    {
+                        if ( fieldValue >= ( 1 << 35 ) )
+                        {
+                            if ( fieldValue >= ( 1 << 42 ) )
+                            {
+                                if ( fieldValue >= ( 1 << 49 ) )
+                                {
+                                    if ( fieldValue >= ( 1 << 56 ) )
+                                    {
+                                        out.write( (int)( fieldValue >> 56 ) | 0x80 );
+                                    }
+                                    out.write( (int)( fieldValue >> 49 ) | 0x80 );
+                                }
+                                out.write( (int)( fieldValue >> 42 ) | 0x80 );
+                            }
+                            out.write( (int)( fieldValue >> 35 ) | 0x80 );
+                        }
+                        out.write( (int)( fieldValue >> 28 ) | 0x80 );
+                    }
+                    out.write( (int)( fieldValue >> 21 ) | 0x80 );
+                }
+                out.write( (int)( fieldValue >> 14 ) | 0x80 );
+            }
+            out.write( (int)( fieldValue >> 7 ) | 0x80 );
+        }
+        out.write( (int)fieldValue & 0x7f );
+    }
+
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        OIDTokenizer          tok  = new OIDTokenizer( identifier );
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ASN1OutputStream      aos  = new ASN1OutputStream( baos );
+
+        writeField( baos, Integer.parseInt( tok.nextToken() ) * 40
+                    + Integer.parseInt( tok.nextToken() ) );
+
+        while ( tok.hasMoreTokens() )
+        {
+            writeField( baos, Long.parseLong( tok.nextToken() ) );
+        }
+
+        aos.close();
+
+        byte[] bytes = baos.toByteArray();
+
+        out.writeEncoded( OBJECT_IDENTIFIER, bytes );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEROctetString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEROctetString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DEROctetString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,38 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER Octet String object.
+ */
+public class DEROctetString extends DERObject
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DEROctetString( byte[] value )
+    {
+        super( OCTET_STRING, value );
+    }
+    
+    public byte[] getOctets()
+    {
+        return value;
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERPrintableString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERPrintableString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERPrintableString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER PrintableString object.
+ */
+public class DERPrintableString extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERPrintableString( byte[] value )
+    {
+    	super( PRINTABLE_STRING, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERPrintableString valueOf( String string )
+    {
+        return new DERPrintableString( stringToByteArray( string ) );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSequence.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSequence.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSequence.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,76 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Enumeration;
+import java.util.Vector;
+
+
+public class DERSequence implements DEREncodable
+{
+    private Vector  v = new Vector();
+
+    public void add( DEREncodable obj )
+    {
+        v.addElement( obj );
+    }
+    
+    public Enumeration getObjects()
+    {
+        return v.elements();
+    }
+
+    public DEREncodable get( int i )
+    {
+        return (DEREncodable)v.elementAt( i );
+    }
+
+    public int size()
+    {
+        return v.size();
+    }
+	
+    /**
+     * As DER requires the constructed, definite-length model to
+     * be used for structured types, this varies slightly from the
+     * ASN.1 descriptions given. Rather than just outputing SEQUENCE,
+     * we also have to specify CONSTRUCTED, and the objects length.
+     */
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ASN1OutputStream      aos  = new ASN1OutputStream( baos );
+        
+        Enumeration e = getObjects();
+        
+        while ( e.hasMoreElements() )
+        {
+            aos.writeObject( e.nextElement() );
+        }
+
+        aos.close();
+
+        byte[] bytes = baos.toByteArray();
+
+        out.writeEncoded( DERObject.SEQUENCE | DERObject.CONSTRUCTED, bytes );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSet.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSet.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERSet.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,72 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Enumeration;
+import java.util.Vector;
+
+/**
+ * A DER encoded set object
+ */
+public class DERSet implements DEREncodable
+{
+    protected Vector set = new Vector();
+    
+    public Enumeration getObjects()
+    {
+        return set.elements();
+    }
+
+    public DEREncodable getObjectAt( int index )
+    {
+        return (DEREncodable)set.elementAt( index );
+    }
+
+    public int size()
+    {
+        return set.size();
+    }
+    
+    public void add( DEREncodable obj )
+    {
+        set.addElement( obj );
+    }
+	
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ASN1OutputStream      aos  = new ASN1OutputStream( baos );
+        
+        Enumeration e = getObjects();
+
+        while ( e.hasMoreElements() )
+        {
+            aos.writeObject( e.nextElement() );
+        }
+
+        aos.close();
+
+        byte[] bytes = baos.toByteArray();
+
+        out.writeEncoded( DERObject.SET | DERObject.CONSTRUCTED, bytes );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,77 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * Interface for DER string objects.
+ */
+public abstract class DERString extends DERObject
+{
+	/**
+     * Basic DERObject constructor.
+     */
+	DERString( int tag, byte[] value )
+	{
+		super( tag, value );
+	}
+	
+	/**
+	 * Lazy accessor.
+	 * @return underlying byte array converted to a String
+	 */
+    public String getString()
+    {
+        return byteArrayToString( value );
+    }
+    
+    /**
+     * Utility method for converting byte arrays to Strings.
+     * @param bytes
+     * @return String
+     */
+    protected static String byteArrayToString( byte[] bytes )
+    {
+        char[] characters = new char[ bytes.length ];
+
+        for ( int ii = 0; ii < characters.length; ii++ )
+        {
+            characters[ ii ] = (char)( bytes[ ii ] & 0xff );
+        }
+        
+        return new String( characters );
+    }
+    
+    /**
+     * Utility method for converting Strings to bytes.
+     * @param string
+     * @return bytes
+     */
+    protected static byte[] stringToByteArray( String string )
+    {
+        char[] characters = string.toCharArray();
+        byte[] bytes = new byte[ characters.length ];
+
+        for ( int ii = 0; ii < characters.length; ii++ )
+        {
+            bytes[ ii ] = (byte)characters[ ii ];
+        }
+
+        return bytes; 
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTaggedObject.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTaggedObject.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTaggedObject.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,125 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+/**
+ * DER TaggedObject
+ */
+public class DERTaggedObject implements DEREncodable
+{
+    protected int tag;
+    protected boolean empty    = false;
+    protected boolean explicit = true;
+    protected DEREncodable obj = null;
+    
+    /**
+     * @param tag the tag number for this object.
+     * @param obj the tagged object.
+     */
+    public DERTaggedObject( int tag, DEREncodable obj )
+    {
+        this.explicit = true;
+        this.tag = tag;
+        this.obj = obj;
+    }
+
+    /**
+     * @param explicit true if an explicitly tagged object.
+     * @param tagNo the tag number for this object.
+     * @param obj the tagged object.
+     */
+    public DERTaggedObject( boolean explicit, int tag, DEREncodable obj )
+    {
+        this.explicit = explicit;
+        this.tag = tag;
+        this.obj = obj;
+    }
+    
+    /**
+     * create an implicitly tagged object that contains a zero
+     * length sequence.
+     */
+    public DERTaggedObject( int tag )
+    {
+        this( false, tag, new DERSequence() );
+    }
+    
+    public int getTagNo()
+    {
+        return tag;
+    }
+    
+    /**
+     * return whatever was following the tag.
+     * <p>
+     * Note: tagged objects are generally context dependent if you're
+     * trying to extract a tagged object you should be going via the
+     * appropriate getInstance method.
+     */
+    public DEREncodable getObject()
+    {
+        if ( obj != null )
+        {
+            return obj;
+        }
+
+        return null;
+    }
+
+    public void encode( ASN1OutputStream out )
+        throws IOException
+    {
+        if ( !empty )
+        {
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            ASN1OutputStream aos = new ASN1OutputStream( baos );
+
+            aos.writeObject( obj );
+            aos.close();
+
+            byte[] bytes = baos.toByteArray();
+
+            if ( explicit )
+            {
+                out.writeEncoded( DERObject.CONSTRUCTED | DERObject.TAGGED | tag, bytes );
+            }
+            else
+            {
+                // need to mark constructed types
+                if ( ( bytes[ 0 ] & DERObject.CONSTRUCTED ) != 0 )
+                {
+                    bytes[ 0 ] = (byte)( DERObject.CONSTRUCTED | DERObject.TAGGED | tag );
+                }
+                else
+                {
+                    bytes[ 0 ] = (byte)( DERObject.TAGGED | tag );
+                }
+
+                out.write( bytes );
+            }
+        }
+        else
+        {
+            out.writeEncoded( DERObject.CONSTRUCTED | DERObject.TAGGED | tag, new byte[ 0 ] );
+        }
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTeletexString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTeletexString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERTeletexString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER Teletex String
+ */
+public class DERTeletexString extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERTeletexString( byte[] value )
+    {
+    	super( T61_STRING, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERTeletexString valueOf( String string )
+    {
+        return new DERTeletexString( stringToByteArray( string ) );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTCTime.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTCTime.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTCTime.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,71 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+/**
+ * DER UTC time object.
+ */
+public class DERUTCTime extends DERString
+{
+	private static final TimeZone UTC_TIME_ZONE = TimeZone.getTimeZone( "UTC" );
+    private static final SimpleDateFormat dateFormat = new SimpleDateFormat( "yyMMddHHmmss'Z'" );
+    
+	static
+	{
+		dateFormat.setTimeZone( UTC_TIME_ZONE );
+	}
+	
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERUTCTime( byte[] value )
+    {
+    	super( UTC_TIME, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERUTCTime valueOf( Date date )
+    {
+        String dateString = dateFormat.format( date );
+        
+        byte[] bytes = stringToByteArray( dateString );
+
+        return new DERUTCTime( bytes );
+    }
+    
+    /**
+     * Lazy accessor
+     * @return Date representation of this DER UTC Time
+     * @throws ParseException
+     */
+    public Date getDate()
+    	throws ParseException
+    {
+        String string = byteArrayToString( value );
+        
+        return dateFormat.parse( string );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTF8String.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTF8String.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUTF8String.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER UTF8String object.
+ */
+public class DERUTF8String extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERUTF8String( byte[] value )
+    {
+    	super( UTF8_STRING, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERUTF8String valueOf( String string )
+    {
+        return new DERUTF8String( stringToByteArray( string ) );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUniversalString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUniversalString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUniversalString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,65 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+/**
+ * DER UniversalString object.
+ */
+public class DERUniversalString extends DERString
+{
+    private static final char[] table = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+    
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERUniversalString( byte[] value )
+    {
+    	super( UNIVERSAL_STRING, value );
+    }
+
+    public String getString()
+    {
+        StringBuffer buf = new StringBuffer( "#" );
+        
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        ASN1OutputStream       aos = new ASN1OutputStream( baos );
+        
+        try
+        {
+            aos.writeObject( this );
+        }
+        catch (IOException e)
+        {
+           throw new RuntimeException( "Internal error encoding BitString." );
+        }
+        
+        byte[] string = baos.toByteArray();
+        
+        for ( int i = 0; i < string.length; i++ )
+        {
+            buf.append( table[ ( string[ i ] >>> 4 ) % 0xf ] );
+            buf.append( table[ string[ i ] & 0xf ] );
+        }
+        
+        return buf.toString();
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUnknownTag.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUnknownTag.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERUnknownTag.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,33 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * Placeholder for unrecognized tags.
+ */
+public class DERUnknownTag extends DERObject
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERUnknownTag( int tag, byte[] value )
+    {
+        super( tag, value );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERVisibleString.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERVisibleString.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/DERVisibleString.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,41 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * DER VisibleString object.
+ */
+public class DERVisibleString extends DERString
+{
+    /**
+     * Basic DERObject constructor.
+     */
+    public DERVisibleString( byte[] value )
+    {
+    	super( VISIBLE_STRING, value );
+    }
+    
+    /**
+     * Static factory method, type-conversion operator.
+     */
+    public static DERVisibleString valueOf( String string )
+    {
+        return new DERVisibleString( stringToByteArray( string ) );
+    }
+}
+

Added: incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/OIDTokenizer.java
Url: http://svn.apache.org/viewcvs/incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/OIDTokenizer.java?view=auto&rev=125809
==============================================================================
--- (empty file)
+++ incubator/directory/asn1/trunk/der/src/java/org/apache/asn1/der/OIDTokenizer.java	Thu Jan 20 12:01:38 2005
@@ -0,0 +1,65 @@
+/*
+ *   Copyright 2005 The Apache Software Foundation
+ *
+ *   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.
+ *
+ */
+
+package org.apache.asn1.der;
+
+/**
+ * class for breaking up an OID into it's component tokens, ala
+ * java.util.StringTokenizer. We need this class as some of the
+ * lightweight Java environment don't support classes like
+ * StringTokenizer.
+ */
+public class OIDTokenizer
+{
+    private String oid;
+    private int    index;
+
+    public OIDTokenizer( String oid )
+    {
+        this.oid   = oid;
+        this.index = 0;
+    }
+
+    public boolean hasMoreTokens()
+    {
+        return ( index != -1 );
+    }
+
+    public String nextToken()
+    {
+        if ( index == -1 )
+        {
+            return null;
+        }
+
+        String token;
+        int end = oid.indexOf( '.', index );
+
+        if ( end == -1 )
+        {
+            token = oid.substring( index );
+            index = -1;
+            return token;
+        }
+
+        token = oid.substring( index, end );
+
+        index = end + 1;
+        return token;
+    }
+}
+

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