org.apache.directory.shared.kerberos.components

Class PaData

java.lang.Object

org.apache.directory.shared.kerberos.components.PaData

All Implemented Interfaces:

org.apache.directory.api.asn1.Asn1Object

public class PaData
extends java.lang.Object
implements org.apache.directory.api.asn1.Asn1Object

The Pre-Authentication data. The ASN.1 GRAMMAR IS :

 PA-DATA         ::= SEQUENCE {
         -- NOTE: first tag is [1], not [0]
         padata-type     [1] Int32,
         padata-value    [2] OCTET STRING -- might be encoded AP-REQ
 }
 

Field Summary

Fields

Modifier and Type	Field and Description
private static boolean	IS_DEBUG Speedup for logs
private static org.slf4j.Logger	log The logger
private PaDataType	paDataType The Pre-authentication type
private int	paDataTypeTagLength
private byte[]	paDataValue The authentication data
private int	paDataValueTagLength
private int	preAuthenticationDataSeqLength

Constructor Summary

Constructors

Constructor and Description
PaData() Creates a new instance of PreAuthenticationData.
PaData(PaDataType paDataType, byte[] paDataValue) Creates a new instance of PreAuthenticationData.

Method Summary

Modifier and Type	Method and Description
int	computeLength() Compute the PreAuthenticationData length
java.nio.ByteBuffer	encode(java.nio.ByteBuffer buffer) Encode the PreAuthenticationData message to a PDU.
PaDataType	getPaDataType() Returns the PaDataType.
byte[]	getPaDataValue() Returns the raw bytes of the PaData.
void	setPaDataType(int paDataType) Set the PA-DATA type
void	setPaDataType(PaDataType paDataType) Set the PA-DATA type
void	setPaDataValue(byte[] paDataValue) Set the PA-DATA value
java.lang.String	toString()
java.lang.String	toString(java.lang.String tabs)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

log

private static final org.slf4j.Logger log

The logger

IS_DEBUG

private static final boolean IS_DEBUG

Speedup for logs

paDataType

private PaDataType paDataType

The Pre-authentication type

paDataValue

private byte[] paDataValue

The authentication data

paDataTypeTagLength

private int paDataTypeTagLength

paDataValueTagLength

private int paDataValueTagLength

preAuthenticationDataSeqLength

private int preAuthenticationDataSeqLength

Constructor Detail

PaData

public PaData()

Creates a new instance of PreAuthenticationData.

PaData

public PaData(PaDataType paDataType,
              byte[] paDataValue)

Creates a new instance of PreAuthenticationData.

Parameters:

paDataType -

paDataValue -

Method Detail

getPaDataType

public PaDataType getPaDataType()

Returns the PaDataType.

Returns:

The PaDataType.

setPaDataType

public void setPaDataType(int paDataType)

Set the PA-DATA type

Parameters:

paDataType - The PA-DATA type

setPaDataType

public void setPaDataType(PaDataType paDataType)

Set the PA-DATA type

Parameters:

paDataType - The PA-DATA type

getPaDataValue

public byte[] getPaDataValue()

Returns the raw bytes of the PaData.

Returns:

The raw bytes of the PaData.

setPaDataValue

public void setPaDataValue(byte[] paDataValue)

Set the PA-DATA value

Parameters:

paDataValue - The PA-DATA value

computeLength

public int computeLength()

Compute the PreAuthenticationData length

 PreAuthenticationData :
 
 0x30 L1 PreAuthenticationData sequence
  |
  +--> 0xA0 L2 padata-type tag
  |     |
  |     +--> 0x02 L2-1 padata-type (int)
  |
  +--> 0xA1 L3 padata-value tag
        |
        +--> 0x04 L3-1 padata-value (OCTET STRING)
        
  where L1 = L2 + lenght(0xA0) + length(L2) +
             L3 + lenght(0xA1) + length(L3) 
  and
  L2 = L2-1 + length(0x02) + length( L2-1) 
  L3 = L3-1 + length(0x04) + length( L3-1) 
  

Specified by:

computeLength in interface org.apache.directory.api.asn1.Asn1Object

encode

public java.nio.ByteBuffer encode(java.nio.ByteBuffer buffer)
                           throws org.apache.directory.api.asn1.EncoderException

Encode the PreAuthenticationData message to a PDU.

 PreAuthenticationData :
 
 0x30 LL
   0xA1 LL 
     0x02 0x01 padata-type
   0xA2 LL 
     0x04 LL padata-value
 

Specified by:

encode in interface org.apache.directory.api.asn1.Asn1Object

Parameters:

buffer - The buffer where to put the PDU. It should have been allocated before, with the right size.

Returns:

The constructed PDU.

Throws:

org.apache.directory.api.asn1.EncoderException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

toString

public java.lang.String toString(java.lang.String tabs)

See Also:

Object.toString()