com.liferay.portal.security.auth
Interfaces 
Authenticator
AuthFailure
AutoLogin
EmailAddressGenerator
FullNameValidator
ScreenNameGenerator
ScreenNameValidator
Classes 
CompanyThreadLocal
DefaultEmailAddressGenerator
DefaultFullNameValidator
DefaultScreenNameGenerator
DefaultScreenNameValidator
LiberalScreenNameValidator
PrincipalThreadLocal
Exceptions 
AuthException
AutoLoginException
PrincipalException