Package org.bouncycastle.crypto.fips

Class FipsOutputSigner<T extends Parameters>

java.lang.Object

org.bouncycastle.crypto.fips.FipsOutputSigner<T>

Type Parameters:

T - The parameters class for this signer.

All Implemented Interfaces:

OutputSigner<T>

Direct Known Subclasses:

FipsOutputSignerUsingSecureRandom

public abstract class FipsOutputSigner<T extends Parameters>
extends java.lang.Object
implements OutputSigner<T>

Base class for a FIPS signature generator..

Method Summary

Modifier and Type	Method	Description
abstract T	getParameters()	Return the parameters for this output signer.
abstract byte[]	getSignature()	Return the signature calculated on what has been written to the calculator's output stream.
abstract int	getSignature(byte[] output, int off)	Output the signature value for what has been written to the signer's output stream.
abstract UpdateOutputStream	getSigningStream()	Returns a stream that will accept data for the purpose of calculating a signature.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getParameters

public abstract T getParameters()

Description copied from interface: OutputSigner

Return the parameters for this output signer.

Specified by:

getParameters in interface OutputSigner<T extends Parameters>

Returns:

the signer's parameters.

getSigningStream

public abstract UpdateOutputStream getSigningStream()

Description copied from interface: OutputSigner

Returns a stream that will accept data for the purpose of calculating a signature. Use org.bouncycastle.util.io.TeeOutputStream if you want to accumulate the data on the fly as well.

Specified by:

getSigningStream in interface OutputSigner<T extends Parameters>

Returns:

an UpdateOutputStream

getSignature

public abstract byte[] getSignature()
                             throws PlainInputProcessingException

Description copied from interface: OutputSigner

Return the signature calculated on what has been written to the calculator's output stream.

Specified by:

getSignature in interface OutputSigner<T extends Parameters>

Returns:

a signature.

Throws:

PlainInputProcessingException - if the input provided cannot be processed.

getSignature

public abstract int getSignature(byte[] output,
                                 int off)
                          throws PlainInputProcessingException

Description copied from interface: OutputSigner

Output the signature value for what has been written to the signer's output stream.

Specified by:

getSignature in interface OutputSigner<T extends Parameters>

Parameters:

output - output array to write the signature to.

off - offset to start writing the signature at.

Returns:

the number of bytes output.

Throws:

PlainInputProcessingException - if the input provided cannot be processed.