# Package org.springframework.security.web.authentication.www

package org.springframework.security.web.authentication.www
WWW-Authenticate based authentication mechanism implementations: Basic and Digest authentication.

Related Packages
Package
Description
org.springframework.security.web.authentication
Authentication processing mechanisms, which respond to the submission of authentication credentials using various protocols (eg BASIC, CAS, form login etc).
Class
Description
BasicAuthenticationConverter
Converts from a HttpServletRequest to `UsernamePasswordAuthenticationToken` that can be authenticated.
BasicAuthenticationEntryPoint
Used by the `ExceptionTranslationFilter` to commence authentication via the `BasicAuthenticationFilter`.
BasicAuthenticationFilter
Processes a HTTP request's BASIC authorization headers, putting the result into the `SecurityContextHolder`.
DigestAuthenticationEntryPoint
Used by the `SecurityEnforcementFilter` to commence authentication via the `DigestAuthenticationFilter`.
DigestAuthenticationFilter
Processes a HTTP request's Digest authorization headers, putting the result into the `SecurityContextHolder`.
NonceExpiredException
Thrown if an authentication request is rejected because the digest nonce has expired.