This interface defines the generic functionaility that all Message Validators need to implement. More...

Inheritance diagram for com.pcbsys.nirvana.client.nMessageValidator:

Public Member Functions
Object	check (byte[] original) throws Exception
	Compares the signature passed as a byte[] with the signature constructed with the update methods. More...

java.security.Provider	getProvider ()
	This method returns the security provider that is being used for the validating. More...

void	start (byte[] signature)
	This method is called on the validating class prior to any calls being made. More...

void	stop ()
	This method is called when the validation is completed.

void	update (byte[] data) throws Exception
	This method adds the byte[] to the signature being built up to validate against. More...

Detailed Description

This interface defines the generic functionaility that all Message Validators need to implement.

Member Function Documentation

Object com.pcbsys.nirvana.client.nMessageValidator.check ( byte[] original ) throws Exception

Compares the signature passed as a byte[] with the signature constructed with the update methods.

This method must throw an exception if the signatures do not match and must not just return null. As a null is still a valid return object.

Parameters

original Signature byte[]

Returns: Object specific to the validating class that can be used for further validation

Exceptions

Exception Must be thrown if the signature do not match

java.security.Provider com.pcbsys.nirvana.client.nMessageValidator.getProvider ( )

This method returns the security provider that is being used for the validating.

void com.pcbsys.nirvana.client.nMessageValidator.start ( byte[] signature )

This method is called on the validating class prior to any calls being made.

It is not madatory that the implementing class do anything with the function.

Parameters

signature The signature to be validated

void com.pcbsys.nirvana.client.nMessageValidator.update ( byte[] data ) throws Exception

This method adds the byte[] to the signature being built up to validate against.

Parameters

data	byte[] to add to the signature

Exceptions

Exception Specific to the actual signing implementation