gnu.crypto.sasl.crammd5
Class CramMD5AuthInfoProvider

java.lang.Object
  gnu.crypto.sasl.crammd5.CramMD5AuthInfoProvider

All Implemented Interfaces:

IAuthInfoProvider

public class CramMD5AuthInfoProvider

extends java.lang.Object

implements IAuthInfoProvider

The CRAM-MD5 mechanism authentication information provider implementation.

Version:

$Revision: 1.2 $

Constructor Summary

CramMD5AuthInfoProvider()

Method Summary

void	activate(java.util.Map context) Activates (initialises) this provider instance.
boolean	contains(java.lang.String userName) Checks if a user with a designated name is known to this provider.
java.util.Map	getConfiguration(java.lang.String mode) A provider may operate in more than mode; e.g.
java.util.Map	lookup(java.util.Map userID) Returns a collection of information about a designated user.
void	passivate() Passivates (releases) this provider instance.
void	update(java.util.Map userCredentials) Updates the credentials of a designated user.

Methods inherited from class java.lang.Object

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

Constructor Detail

CramMD5AuthInfoProvider

public CramMD5AuthInfoProvider()

Method Detail

activate

public void activate(java.util.Map context)
              throws javax.security.sasl.AuthenticationException

Description copied from interface: IAuthInfoProvider

Activates (initialises) this provider instance. SHOULD be the first method invoked on the provider.

Specified by:

activate in interface IAuthInfoProvider

Parameters:

context - a collection of name-value bindings describing the activation context.

Throws:

javax.security.sasl.AuthenticationException - if an exception occurs during the operation.

passivate

public void passivate()
               throws javax.security.sasl.AuthenticationException

Description copied from interface: IAuthInfoProvider

Passivates (releases) this provider instance. SHOULD be the last method invoked on the provider. Once it is done, no other method may be invoked on the same instance before it is activated agains.

Specified by:

passivate in interface IAuthInfoProvider

Throws:

javax.security.sasl.AuthenticationException - if an exception occurs during the operation.

contains

public boolean contains(java.lang.String userName)
                 throws javax.security.sasl.AuthenticationException

Description copied from interface: IAuthInfoProvider

Checks if a user with a designated name is known to this provider.

Specified by:

contains in interface IAuthInfoProvider

Parameters:

userName - the name of a user to check.

Returns:

true if the user with the designated name is known to this provider; false otherwise.

Throws:

javax.security.sasl.AuthenticationException - if an exception occurs during the operation.

lookup

public java.util.Map lookup(java.util.Map userID)
                     throws javax.security.sasl.AuthenticationException

Description copied from interface: IAuthInfoProvider

Returns a collection of information about a designated user. The contents of the returned map is provider-specific of name-to-value mappings.

Specified by:

lookup in interface IAuthInfoProvider

Parameters:

userID - a map of name-to-value bindings that fully describe a user.

Returns:

a collection of information about the designated user.

Throws:

javax.security.sasl.AuthenticationException - if an exception occurs during the operation.

update

public void update(java.util.Map userCredentials)
            throws javax.security.sasl.AuthenticationException

Description copied from interface: IAuthInfoProvider

Updates the credentials of a designated user.

Specified by:

update in interface IAuthInfoProvider

Parameters:

userCredentials - a map of name-to-value bindings that fully describe a user, including per new credentials.

Throws:

javax.security.sasl.AuthenticationException - if an exception occurs during the operation.

getConfiguration

public java.util.Map getConfiguration(java.lang.String mode)
                               throws javax.security.sasl.AuthenticationException

Description copied from interface: IAuthInfoProvider

A provider may operate in more than mode; e.g. SRP-II caters for user credentials computed in more than one message digest algorithm. This method returns the set of name-to-value bindings describing the mode of the provider.

Specified by:

getConfiguration in interface IAuthInfoProvider

Parameters:

mode - a unique identifier describing the operational mode.

Returns:

a collection of name-to-value bindings describing the designated mode.

Throws:

javax.security.sasl.AuthenticationException - if an exception occurs during the operation.