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