com.pcbsys.nirvana.client.nMessageValidator Interface Reference

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.
java.security.Provider	getProvider ()
	This method returns the security provider that is being used for the validating.
void	start (byte[] signature)
	This method is called on the validating class prior to any calls being made.
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.

Detailed Description

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

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