Since: API Level 1
package

org.apache.http.impl.auth

Interfaces

NTLMEngineAbstract NTLM authentication engine. 

Classes

AuthSchemeBaseAbstract authentication scheme class that serves as a basis for all authentication schemes supported by HttpClient. 
BasicScheme

Basic authentication scheme as defined in RFC 2617. 

BasicSchemeFactory 
DigestScheme

Digest authentication scheme as defined in RFC 2617. 

DigestSchemeFactory 
NTLMScheme 
RFC2617SchemeAbstract authentication scheme class that lays foundation for all RFC 2617 compliant authetication schemes and provides capabilities common to all authentication schemes defined in RFC 2617. 

Exceptions

NTLMEngineExceptionSignals NTLM protocol failure. 
UnsupportedDigestAlgorithmExceptionAuthentication credentials required to respond to a authentication challenge are invalid