# Uses of Package
com.sun.security.auth

- Packages that use com.sun.security.auth
  Package | Description
  --- | ---
  com.sun.security.auth | Provides implementations of `Principal`.

- Classes in com.sun.security.auth used by com.sun.security.auth
  Class | Description
  --- | ---
  NTSid | This class implements the `Principal` interface and represents information about a Windows NT user, group or realm.