tigase.jaxmpp.core.client.xmpp.modules.auth.scram

Class AbstractScram

java.lang.Object

tigase.jaxmpp.core.client.xmpp.modules.auth.saslmechanisms.AbstractSaslMechanism

tigase.jaxmpp.core.client.xmpp.modules.auth.scram.AbstractScram

All Implemented Interfaces:

tigase.jaxmpp.core.client.xmpp.modules.auth.SaslMechanism

Direct Known Subclasses:

ScramMechanism, ScramPlusMechanism, ScramSHA256Mechanism, ScramSHA512Mechanism

public abstract class AbstractScram
extends tigase.jaxmpp.core.client.xmpp.modules.auth.saslmechanisms.AbstractSaslMechanism

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractScram.BindType

Field Summary

Fields

Modifier and Type	Field and Description
protected static Charset	UTF_CHARSET

Fields inherited from class tigase.jaxmpp.core.client.xmpp.modules.auth.saslmechanisms.AbstractSaslMechanism

SASL_COMPLETE_KEY

Fields inherited from interface tigase.jaxmpp.core.client.xmpp.modules.auth.SaslMechanism

FORCE_AUTHZID

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractScram(String mechanismName, String algorithm, byte[] clientKey, byte[] serverKey)

Method Summary

Modifier and Type	Method and Description
String	evaluateChallenge(String input, tigase.jaxmpp.core.client.SessionObject sessionObject)
protected abstract byte[]	getBindData(AbstractScram.BindType bindType, tigase.jaxmpp.core.client.SessionObject sessionObject)
protected abstract AbstractScram.BindType	getBindType(tigase.jaxmpp.core.client.SessionObject sessionObject)
protected tigase.jaxmpp.core.client.xmpp.modules.auth.scram.AbstractScram.Data	getData(tigase.jaxmpp.core.client.SessionObject sessionObject)
protected byte[]	h(byte[] data)
static byte[]	hi(String algorithm, byte[] password, byte[] salt, int iterations)
protected static byte[]	hmac(SecretKey key, byte[] data)
boolean	isAllowedToUse(tigase.jaxmpp.core.client.SessionObject sessionObject)
protected SecretKey	key(byte[] key)
String	name()
static byte[]	normalize(String str)
protected String	randomString()
protected byte[]	xor(byte[] a, byte[] b)

Methods inherited from class tigase.jaxmpp.core.client.xmpp.modules.auth.saslmechanisms.AbstractSaslMechanism

isComplete, setComplete

Methods inherited from class java.lang.Object

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

Field Detail

UTF_CHARSET

protected static final Charset UTF_CHARSET

Constructor Detail

AbstractScram

protected AbstractScram(String mechanismName,
                        String algorithm,
                        byte[] clientKey,
                        byte[] serverKey)

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)

evaluateChallenge

public String evaluateChallenge(String input,
                                tigase.jaxmpp.core.client.SessionObject sessionObject)
                         throws tigase.jaxmpp.core.client.xmpp.modules.auth.ClientSaslException

Throws:

tigase.jaxmpp.core.client.xmpp.modules.auth.ClientSaslException

getBindData

protected abstract byte[] getBindData(AbstractScram.BindType bindType,
                                      tigase.jaxmpp.core.client.SessionObject sessionObject)

getBindType

protected abstract AbstractScram.BindType getBindType(tigase.jaxmpp.core.client.SessionObject sessionObject)

getData

protected tigase.jaxmpp.core.client.xmpp.modules.auth.scram.AbstractScram.Data getData(tigase.jaxmpp.core.client.SessionObject sessionObject)

h

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

Throws:

NoSuchAlgorithmException

isAllowedToUse

public boolean isAllowedToUse(tigase.jaxmpp.core.client.SessionObject sessionObject)

key

protected SecretKey key(byte[] key)

name

public String name()

randomString

protected String randomString()

xor

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