org.apache.directory.server.kerberos.shared.crypto.encryption
Class DesCbcCrcEncryption

java.lang.Object
  org.apache.directory.server.kerberos.shared.crypto.encryption.EncryptionEngine
      org.apache.directory.server.kerberos.shared.crypto.encryption.DesCbcCrcEncryption

public class DesCbcCrcEncryption
extends EncryptionEngine

Author:

Apache Directory Project

Constructor Summary

DesCbcCrcEncryption()

Method Summary

byte[]	calculateIntegrity(byte[] data, byte[] key, KeyUsage usage)
byte[]	decrypt(byte[] cipherText, byte[] keyBytes)
byte[]	encrypt(byte[] plainText, byte[] keyBytes)
int	getChecksumLength()
int	getConfounderLength()
byte[]	getDecryptedData(EncryptionKey key, EncryptedData data, KeyUsage usage)
EncryptedData	getEncryptedData(EncryptionKey key, byte[] plainText, KeyUsage usage)
EncryptionType	getEncryptionType()

Methods inherited from class org.apache.directory.server.kerberos.shared.crypto.encryption.EncryptionEngine

concatenateBytes, deriveRandom, getBit, getRandomBytes, getUsageKc, getUsageKe, getUsageKi, padString, removeLeadingBytes, removeTrailingBytes, setBit

Methods inherited from class java.lang.Object

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

Constructor Detail

DesCbcCrcEncryption

public DesCbcCrcEncryption()

Method Detail

getEncryptionType

public EncryptionType getEncryptionType()

Specified by:

getEncryptionType in class EncryptionEngine

getConfounderLength

public int getConfounderLength()

Specified by:

getConfounderLength in class EncryptionEngine

getChecksumLength

public int getChecksumLength()

Specified by:

getChecksumLength in class EncryptionEngine

calculateIntegrity

public byte[] calculateIntegrity(byte[] data,
                                 byte[] key,
                                 KeyUsage usage)

Specified by:

calculateIntegrity in class EncryptionEngine

getDecryptedData

public byte[] getDecryptedData(EncryptionKey key,
                               EncryptedData data,
                               KeyUsage usage)
                        throws KerberosException

Specified by:

getDecryptedData in class EncryptionEngine

Throws:

KerberosException

getEncryptedData

public EncryptedData getEncryptedData(EncryptionKey key,
                                      byte[] plainText,
                                      KeyUsage usage)

Specified by:

getEncryptedData in class EncryptionEngine

encrypt

public byte[] encrypt(byte[] plainText,
                      byte[] keyBytes)

Specified by:

encrypt in class EncryptionEngine

decrypt

public byte[] decrypt(byte[] cipherText,
                      byte[] keyBytes)

Specified by:

decrypt in class EncryptionEngine