# Uses of Package
javax.security.auth.message

- Packages that use javax.security.auth.message
  Package | Description
  --- | ---
  javax.security.auth.message | This package defines the core interfaces of the JSR 196 message authentication SPI.
  javax.security.auth.message.config | This package defines the interfaces implemented by JSR 196 compatible configuration systems.
  javax.security.auth.message.module | This package defines the interfaces implemented by JSR 196 compatible authentication modules.

- Classes in javax.security.auth.message used by javax.security.auth.message
  Class and Description
  AuthException A generic authentication exception.
  AuthStatus The AuthStatus class is used to represent return values from Authentication modules and Authentication Contexts.
  MessageInfo A message processing runtime uses this interface to pass messages and message processing state to authentication contexts for processing by authentication modules.
  MessagePolicy.ProtectionPolicy This interface is used to represent message authentication policy.
  MessagePolicy.Target This interface is used to represent and perform message targeting.
  MessagePolicy.TargetPolicy This class defines the message protection policies for specific Targets.

- Classes in javax.security.auth.message used by javax.security.auth.message.config
  Class and Description
  AuthException A generic authentication exception.
  ClientAuth An implementation of this interface is used to secure service request messages, and validate received service response messages.
  MessageInfo A message processing runtime uses this interface to pass messages and message processing state to authentication contexts for processing by authentication modules.
  ServerAuth An implementation of this interface is used to validate received service request messages, and to secure service response messages.

- Classes in javax.security.auth.message used by javax.security.auth.message.module
  Class and Description
  AuthException A generic authentication exception.
  ClientAuth An implementation of this interface is used to secure service request messages, and validate received service response messages.
  MessagePolicy This class defines a message authentication policy.
  ServerAuth An implementation of this interface is used to validate received service request messages, and to secure service response messages.

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