Android APIs
Added in API level 1
package

javax.security.auth

Interfaces

Destroyable Allows for special treatment of sensitive information, when it comes to destroying or clearing of the data. 

Classes

AuthPermission Legacy security code; do not use. 
PrivateCredentialPermission Legacy security code; do not use. 
Subject The central class of the javax.security.auth package representing an authenticated user or entity (both referred to as "subject"). 
SubjectDomainCombiner Legacy security code; do not use. 

Exceptions

DestroyFailedException Signals that the destroy() method failed.