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## Package gnu.crypto.sasl

Provides concrete implementations of some SASL (Simple Authentication and Security Layer) mechanisms.

See:
Description

Interface Summary
IAuthInfoProvider | The visible methods of any authentication information provider.
IAuthInfoProviderFactory | The visible method of every authentication information provider factory.

Class Summary
AuthInfo | A static class for creating `IAuthInfoProvider` providers.
AuthInfoProviderFactory | The concrete SASL authentication information provider factory.
ClientFactory | The implementation of `SaslClientFactory`.
ClientMechanism | A base class to facilitate implementing SASL client-side mechanisms.
InputBuffer | The implementation of an incoming SASL buffer.
OutputBuffer | The implementation of an outgoing SASL buffer.
SaslInputStream | An input stream that uses either a `SaslClient` or a `SaslServer` to process the data through these entities' security layer filter(s).
SaslOutputStream | An output stream that uses either a `SaslClient` or a `SaslServer` to process the data through these entities' security layer filter(s).
SaslUtil | Utility methods for SASL-related classes.
ServerFactory | The implementation of the `SaslServerFactory`.
ServerMechanism | A base class to facilitate implementing SASL server-side mechanisms.

Exception Summary
ConfidentialityException | Used by mechanisms that offer a security services layer, this checked exception is thrown to indicate that a violation has occured during the processing of a confidentiality protection filter.
IllegalMechanismStateException | A checked exception thrown to indicate that an operation that should be invoked on a completed mechanism was invoked but the authentication phase of that mechanism was not completed yet, or that an operation that should be invoked on incomplete mechanisms was invoked but the authentication phase of that mechanism was already completed.
IntegrityException | Used by mechanisms that offer a security services layer, this checked exception is thrown to indicate that a violation has occured during the processing of an integrity protection filter, including replay detection.
NoSuchMechanismException | A checked exception thrown to indicate that a designated SASL mechanism implementation was not found.
NoSuchUserException | A checked exception thrown to indicate that a designated user is unknown to the authentication layer.
SaslEncodingException | A checked exception, thrown when an exception occurs while decoding a SASL buffer and/or a SASL data element from/to a buffer.
UserAlreadyExistsException | A checked exception thrown to indicate that a designated user is already known to the the authentication layer.

## Package gnu.crypto.sasl Description

Provides concrete implementations of some SASL (Simple Authentication and Security Layer) mechanisms.

## Package overview

This package contains the required classes to use four SASL mechanisms: ANONYMOUS, PLAIN, CRAM-MD5, and SRP. The provided classes allow the use of these, and future mechanism implementations, through both: Sun's --as described in JSR 28 - Java SASL Specification-- as well as GNU Crypto's own APIs.

An implementation of `javax.security.sasl`, and required classes, are provided by this library (see the ANT build.xml file).

The following diagram shows the important classes participating in this package:

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