org.apache.directory.server.kerberos.shared.crypto.checksum

Class ChecksumHandler

java.lang.Object

org.apache.directory.server.kerberos.shared.crypto.checksum.ChecksumHandler

public class ChecksumHandler
extends java.lang.Object

A Hashed Adapter encapsulating checksum engines for performing integrity checks.

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.Map<ChecksumType,java.lang.Class<?>>	DEFAULT_CHECKSUMS A map of the default encodable class names to the encoder class names.

Constructor Summary

Constructors

Constructor and Description
ChecksumHandler()

Method Summary

Modifier and Type	Method and Description
Checksum	calculateChecksum(ChecksumType checksumType, byte[] bytes, byte[] key, KeyUsage usage) Calculate a checksum based on raw bytes and an (optional) key for keyed checksums.
private ChecksumEngine	getEngine(ChecksumType checksumType)
void	verifyChecksum(Checksum checksum, byte[] bytes, byte[] key, KeyUsage usage) Verify a checksum by providing the raw bytes and an (optional) key for keyed checksums.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CHECKSUMS

private static final java.util.Map<ChecksumType,java.lang.Class<?>> DEFAULT_CHECKSUMS

A map of the default encodable class names to the encoder class names.

Constructor Detail

ChecksumHandler

public ChecksumHandler()

Method Detail

calculateChecksum

public Checksum calculateChecksum(ChecksumType checksumType,
                                  byte[] bytes,
                                  byte[] key,
                                  KeyUsage usage)
                           throws KerberosException

Calculate a checksum based on raw bytes and an (optional) key for keyed checksums.

Parameters:

checksumType -

bytes -

key -

usage -

Returns:

The Checksum.

Throws:

KerberosException

verifyChecksum

public void verifyChecksum(Checksum checksum,
                           byte[] bytes,
                           byte[] key,
                           KeyUsage usage)
                    throws KerberosException

Verify a checksum by providing the raw bytes and an (optional) key for keyed checksums.

Parameters:

checksum -

bytes -

key -

usage -

Throws:

KerberosException

getEngine

private ChecksumEngine getEngine(ChecksumType checksumType)
                          throws KerberosException

Throws:

KerberosException