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