org.bouncycastle.pqc.legacy.crypto.qtesla

Class QTESLASigner

java.lang.Object

org.bouncycastle.pqc.legacy.crypto.qtesla.QTESLASigner

All Implemented Interfaces:

MessageSigner

public class QTESLASigner
extends java.lang.Object
implements MessageSigner

Signer for the qTESLA algorithm (https://qtesla.org/)

Constructor Summary

Constructors

Constructor and Description
QTESLASigner()

Method Summary

Modifier and Type	Method and Description
byte[]	generateSignature(byte[] message) Generate a signature directly for the passed in message.
void	init(boolean forSigning, CipherParameters param) Initialise the signer.
boolean	verifySignature(byte[] message, byte[] signature) Verify the signature against the passed in message.

Methods inherited from class java.lang.Object

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

Constructor Detail

QTESLASigner

public QTESLASigner()

Method Detail

init

public void init(boolean forSigning,
                 CipherParameters param)

Initialise the signer.

Specified by:

init in interface MessageSigner

Parameters:

forSigning - true if we are generating a signature, false otherwise.

param - ParametersWithRandom containing a private key for signature generation, public key otherwise.

generateSignature

public byte[] generateSignature(byte[] message)

Generate a signature directly for the passed in message.

Specified by:

generateSignature in interface MessageSigner

Parameters:

message - the message to be signed.

Returns:

the signature generated.

verifySignature

public boolean verifySignature(byte[] message,
                               byte[] signature)

Verify the signature against the passed in message.

Specified by:

verifySignature in interface MessageSigner

Parameters:

message - the message that was supposed to have been signed.

signature - the signature of the message

Returns:

true if the signature passes, false otherwise.