org.jboss.crypto.digest

Interface DigestCallback

All Known Implementing Classes:

RFC2617Digest

public interface DigestCallback

An interface that can be used to augment the behavior of a digest hash. One example usecase is with the password based login modules to modify the behavior of the hashing to introduce prefix/suffix salts.

Version:

$Revision$

Author:

Scott.Stark@jboss.org

Method Summary

Modifier and Type	Method and Description
void	init(Map<String,Object> options) Pass through access to the login module options.
void	postDigest(MessageDigest digest) Post-hash callout afer the password has been added to allow for content after the password has been added.
void	preDigest(MessageDigest digest) Pre-hash callout to allow for content before the password.

Method Detail

init

void init(Map<String,Object> options)

Pass through access to the login module options. When coming from a login module this includes the following keys: javax.security.auth.login.name - for the username javax.security.auth.login.password - for the String password

preDigest

void preDigest(MessageDigest digest)

Pre-hash callout to allow for content before the password. Any content should be added using the MessageDigest update methods.

Parameters:

digest - - the security digest being used for the one-way hash

postDigest

void postDigest(MessageDigest digest)

Post-hash callout afer the password has been added to allow for content after the password has been added. Any content should be added using the MessageDigest update methods.

Parameters:

digest - - the security digest being used for the one-way hash