Package tigase.auth.mechanisms

Class AbstractSaslSCRAM

java.lang.Object

tigase.auth.mechanisms.AbstractSasl

tigase.auth.mechanisms.AbstractSaslSCRAM

All Implemented Interfaces:

SaslServer

Direct Known Subclasses:

SaslSCRAM, SaslSCRAMPlus, SaslSCRAMSha256, SaslSCRAMSha256Plus, SaslSCRAMSha512, SaslSCRAMSha512Plus

public abstract class AbstractSaslSCRAM
extends AbstractSasl

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AbstractSaslSCRAM.BindType

Field Summary

Fields

Modifier and Type	Field	Description
protected static byte[]	DEFAULT_CLIENT_KEY
protected static byte[]	DEFAULT_SERVER_KEY
static String	LOCAL_CERTIFICATE_KEY
static String	TLS_UNIQUE_ID_KEY

Fields inherited from class tigase.auth.mechanisms.AbstractSasl

authorizedId, callbackHandler, complete, log, negotiatedProperty, PASSWORD_NOT_VERIFIED_MSG, props, SASL_STRICT_MODE_KEY

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractSaslSCRAM(String mechanismName, String algorithm, byte[] clientKey, byte[] serverKey, Map<? super String,?> props, CallbackHandler callbackHandler)
protected	AbstractSaslSCRAM(String mechanismName, String algorithm, byte[] clientKey, byte[] serverKey, Map<? super String,?> props, CallbackHandler callbackHandler, String serverOnce)

Method Summary

Modifier and Type	Method	Description
protected byte[]	calculateC()
protected abstract void	checkRequestedBindType(AbstractSaslSCRAM.BindType requestedBindType)
byte[]	evaluateResponse(byte[] response)
String	getAuthorizationID()
String	getMechanismName()
protected byte[]	h(byte[] data)
static byte[]	hi(String algorithm, byte[] password, byte[] salt, int iterations)
protected static byte[]	hmac(SecretKey key, byte[] data)
protected SecretKey	key(byte[] key)
static byte[]	normalize(String str)
protected byte[]	processClientFirstMessage(byte[] data)
protected byte[]	processClientLastMessage(byte[] data)
byte[]	unwrap(byte[] incoming, int offset, int len)
protected void	validateBindingsData(AbstractSaslSCRAM.BindType requestedBindType, byte[] bindingData)
byte[]	wrap(byte[] outgoing, int offset, int len)
protected byte[]	xor(byte[] a, byte[] b)

Methods inherited from class tigase.auth.mechanisms.AbstractSasl

dispose, getNegotiatedProperty, handleCallbacks, isAuthzIDIgnored, isComplete, isEmpty, split

Methods inherited from class java.lang.Object

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

Field Detail

TLS_UNIQUE_ID_KEY

public static final String TLS_UNIQUE_ID_KEY

See Also:

Constant Field Values

LOCAL_CERTIFICATE_KEY

public static final String LOCAL_CERTIFICATE_KEY

See Also:

Constant Field Values

DEFAULT_CLIENT_KEY

protected static final byte[] DEFAULT_CLIENT_KEY

DEFAULT_SERVER_KEY

protected static final byte[] DEFAULT_SERVER_KEY

Constructor Detail

AbstractSaslSCRAM

protected AbstractSaslSCRAM(String mechanismName,
                            String algorithm,
                            byte[] clientKey,
                            byte[] serverKey,
                            Map<? super String,?> props,
                            CallbackHandler callbackHandler)

AbstractSaslSCRAM

protected AbstractSaslSCRAM(String mechanismName,
                            String algorithm,
                            byte[] clientKey,
                            byte[] serverKey,
                            Map<? super String,?> props,
                            CallbackHandler callbackHandler,
                            String serverOnce)

Method Detail

hi

public static byte[] hi(String algorithm,
                        byte[] password,
                        byte[] salt,
                        int iterations)
                 throws InvalidKeyException,
                        NoSuchAlgorithmException

Throws:

InvalidKeyException

NoSuchAlgorithmException

hmac

protected static byte[] hmac(SecretKey key,
                             byte[] data)
                      throws NoSuchAlgorithmException,
                             InvalidKeyException

Throws:

NoSuchAlgorithmException

InvalidKeyException

normalize

public static byte[] normalize(String str)

calculateC

protected byte[] calculateC()

checkRequestedBindType

protected abstract void checkRequestedBindType(AbstractSaslSCRAM.BindType requestedBindType)
                                        throws SaslException

Throws:

SaslException

evaluateResponse

public byte[] evaluateResponse(byte[] response)
                        throws SaslException

Throws:

SaslException

getAuthorizationID

public String getAuthorizationID()

getMechanismName

public String getMechanismName()

h

protected byte[] h(byte[] data)
            throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

key

protected SecretKey key(byte[] key)

processClientFirstMessage

protected byte[] processClientFirstMessage(byte[] data)
                                    throws SaslException,
                                           InvalidKeyException,
                                           NoSuchAlgorithmException

Throws:

SaslException

InvalidKeyException

NoSuchAlgorithmException

processClientLastMessage

protected byte[] processClientLastMessage(byte[] data)
                                   throws SaslException,
                                          InvalidKeyException,
                                          NoSuchAlgorithmException

Throws:

SaslException

InvalidKeyException

NoSuchAlgorithmException

unwrap

public byte[] unwrap(byte[] incoming,
                     int offset,
                     int len)

validateBindingsData

protected void validateBindingsData(AbstractSaslSCRAM.BindType requestedBindType,
                                    byte[] bindingData)

wrap

public byte[] wrap(byte[] outgoing,
                   int offset,
                   int len)

xor

protected byte[] xor(byte[] a,
                     byte[] b)