org.apache.kerby.kerberos.kerb.common

Class EncryptionUtil

java.lang.Object

org.apache.kerby.kerberos.kerb.common.EncryptionUtil

public class EncryptionUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
EncryptionUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	decrypt(org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key, byte[] cipherData, org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage)
static byte[]	encrypt(org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key, byte[] plaintext, org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage)
static List<org.apache.kerby.kerberos.kerb.type.base.EncryptionKey>	generateKeys(List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> encryptionTypes)
static List<org.apache.kerby.kerberos.kerb.type.base.EncryptionKey>	generateKeys(String principal, String passwd, List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> encryptionTypes)
static String	getAlgoNameFromEncType(org.apache.kerby.kerberos.kerb.type.base.EncryptionType encType)
static org.apache.kerby.kerberos.kerb.type.base.EncryptionType	getBestEncryptionType(List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> requestedTypes, List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> configuredTypes)
static List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType>	orderEtypesByStrength(List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> etypes) Order a list of EncryptionType in a decreasing strength order
static org.apache.kerby.kerberos.kerb.type.base.EncryptedData	seal(org.apache.kerby.asn1.type.Asn1Encodeable asn1Type, org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key, org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage)
static <T extends org.apache.kerby.asn1.type.Asn1Type> T	unseal(org.apache.kerby.kerberos.kerb.type.base.EncryptedData encrypted, org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key, org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage, Class<T> krbType)

Methods inherited from class java.lang.Object

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

Constructor Detail

EncryptionUtil

public EncryptionUtil()

Method Detail

getAlgoNameFromEncType

public static String getAlgoNameFromEncType(org.apache.kerby.kerberos.kerb.type.base.EncryptionType encType)

orderEtypesByStrength

public static List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> orderEtypesByStrength(List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> etypes)

Order a list of EncryptionType in a decreasing strength order

Parameters:

etypes - The ETypes to order

Returns:

A list of ordered ETypes. The strongest is on the left.

generateKeys

public static List<org.apache.kerby.kerberos.kerb.type.base.EncryptionKey> generateKeys(List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> encryptionTypes)
                                                                                 throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException

generateKeys

public static List<org.apache.kerby.kerberos.kerb.type.base.EncryptionKey> generateKeys(String principal,
                                                                        String passwd,
                                                                        List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> encryptionTypes)
                                                                                 throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException

getBestEncryptionType

public static org.apache.kerby.kerberos.kerb.type.base.EncryptionType getBestEncryptionType(List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> requestedTypes,
                                                                            List<org.apache.kerby.kerberos.kerb.type.base.EncryptionType> configuredTypes)

seal

public static org.apache.kerby.kerberos.kerb.type.base.EncryptedData seal(org.apache.kerby.asn1.type.Asn1Encodeable asn1Type,
                                                          org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key,
                                                          org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage)
                                                                   throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException

unseal

public static <T extends org.apache.kerby.asn1.type.Asn1Type> T unseal(org.apache.kerby.kerberos.kerb.type.base.EncryptedData encrypted,
                                                       org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key,
                                                       org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage,
                                                       Class<T> krbType)
                                                            throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException

encrypt

public static byte[] encrypt(org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key,
             byte[] plaintext,
             org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage)
                      throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException

decrypt

public static byte[] decrypt(org.apache.kerby.kerberos.kerb.type.base.EncryptionKey key,
             byte[] cipherData,
             org.apache.kerby.kerberos.kerb.type.base.KeyUsage usage)
                      throws org.apache.kerby.kerberos.kerb.KrbException

Throws:

org.apache.kerby.kerberos.kerb.KrbException