Package org.apache.hadoop.security.scram

Class ScramSaslClient

java.lang.Object

org.apache.hadoop.security.scram.ScramSaslClient

All Implemented Interfaces:

javax.security.sasl.SaslClient

public class ScramSaslClient
extends java.lang.Object
implements javax.security.sasl.SaslClient

SaslClient implementation for SASL/SCRAM.

This implementation expects a login module that populates username as the Subject's public credential and password as the private credential.

See Also:

RFC 5802

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ScramSaslClient.ScramSaslClientFactory

Constructor Summary

Constructors

Constructor	Description
ScramSaslClient(ScramMechanism mechanism, javax.security.auth.callback.CallbackHandler cbh)

Method Summary

Modifier and Type	Method	Description
void	dispose()
byte[]	evaluateChallenge(byte[] challenge)
java.lang.String	getMechanismName()
java.lang.Object	getNegotiatedProperty(java.lang.String propName)
boolean	hasInitialResponse()
boolean	isComplete()
byte[]	unwrap(byte[] incoming, int offset, int len)
byte[]	wrap(byte[] outgoing, int offset, int len)

Methods inherited from class java.lang.Object

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

Constructor Detail

ScramSaslClient

public ScramSaslClient(ScramMechanism mechanism,
                       javax.security.auth.callback.CallbackHandler cbh)
                throws java.security.NoSuchAlgorithmException

Throws:

java.security.NoSuchAlgorithmException

Method Detail

getMechanismName

public java.lang.String getMechanismName()

Specified by:

getMechanismName in interface javax.security.sasl.SaslClient

hasInitialResponse

public boolean hasInitialResponse()

Specified by:

hasInitialResponse in interface javax.security.sasl.SaslClient

evaluateChallenge

public byte[] evaluateChallenge(byte[] challenge)
                         throws javax.security.sasl.SaslException

Specified by:

evaluateChallenge in interface javax.security.sasl.SaslClient

Throws:

javax.security.sasl.SaslException

isComplete

public boolean isComplete()

Specified by:

isComplete in interface javax.security.sasl.SaslClient

unwrap

public byte[] unwrap(byte[] incoming,
                     int offset,
                     int len)
              throws javax.security.sasl.SaslException

Specified by:

unwrap in interface javax.security.sasl.SaslClient

Throws:

javax.security.sasl.SaslException

wrap

public byte[] wrap(byte[] outgoing,
                   int offset,
                   int len)
            throws javax.security.sasl.SaslException

Specified by:

wrap in interface javax.security.sasl.SaslClient

Throws:

javax.security.sasl.SaslException

getNegotiatedProperty

public java.lang.Object getNegotiatedProperty(java.lang.String propName)

Specified by:

getNegotiatedProperty in interface javax.security.sasl.SaslClient

dispose

public void dispose()
             throws javax.security.sasl.SaslException

Specified by:

dispose in interface javax.security.sasl.SaslClient

Throws:

javax.security.sasl.SaslException