org.apache.directory.server.kerberos.shared.keytab

Class KeytabDecoder

java.lang.Object

org.apache.directory.server.kerberos.shared.keytab.KeytabDecoder

class KeytabDecoder
extends java.lang.Object

Decode a ByteBuffer into keytab fields.

Constructor Summary

Constructors

Constructor and Description
KeytabDecoder()

Method Summary

Modifier and Type	Method and Description
private byte[]	getCountedBytes(java.nio.ByteBuffer buffer) Use a prefixed 16-bit length to read off raw bytes.
private java.lang.String	getCountedString(java.nio.ByteBuffer buffer) Use a prefixed 16-bit length to read off a String.
private EncryptionKey	getKeyBlock(java.nio.ByteBuffer buffer) Read off a 16-bit encryption type and symmetric key material.
(package private) java.util.List<KeytabEntry>	getKeytabEntries(java.nio.ByteBuffer buffer) Read keytab entries until there is no remaining data in the buffer.
private KeytabEntry	getKeytabEntry(java.nio.ByteBuffer buffer) Reads off a "keytab entry," which consists of a principal name, principal type, key version number, and key material.
(package private) byte[]	getKeytabVersion(java.nio.ByteBuffer buffer) Read the keytab 16-bit file format version.
private java.lang.String	getPrincipalName(java.nio.ByteBuffer buffer) Reads off a principal name.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeytabDecoder

KeytabDecoder()

Method Detail

getKeytabVersion

byte[] getKeytabVersion(java.nio.ByteBuffer buffer)

Read the keytab 16-bit file format version. This keytab reader currently only supports version 5.2.

getKeytabEntries

java.util.List<KeytabEntry> getKeytabEntries(java.nio.ByteBuffer buffer)

Read keytab entries until there is no remaining data in the buffer.

Parameters:

buffer -

Returns:

The keytab entries.

getKeytabEntry

private KeytabEntry getKeytabEntry(java.nio.ByteBuffer buffer)

Reads off a "keytab entry," which consists of a principal name, principal type, key version number, and key material.

getPrincipalName

private java.lang.String getPrincipalName(java.nio.ByteBuffer buffer)

Reads off a principal name.

Parameters:

buffer -

Returns:

The principal name.

getKeyBlock

private EncryptionKey getKeyBlock(java.nio.ByteBuffer buffer)

Read off a 16-bit encryption type and symmetric key material.

getCountedString

private java.lang.String getCountedString(java.nio.ByteBuffer buffer)

Use a prefixed 16-bit length to read off a String. Realm and name components are ASCII encoded text with no zero terminator.

getCountedBytes

private byte[] getCountedBytes(java.nio.ByteBuffer buffer)

Use a prefixed 16-bit length to read off raw bytes.