kz.gamma.crypto.signers
Class ECGOST3410Signer

java.lang.Object
  kz.gamma.crypto.signers.ECGOST3410Signer

All Implemented Interfaces:

DSA

public class ECGOST3410Signer
extends java.lang.Object
implements DSA

Формирование подписи Date: 05.10.2009 Time: 15:17:25

Field Summary

private GammaParameters

keyParam

Constructor Summary

ECGOST3410Signer()

Method Summary

byte[]	generateSignature(byte[] message) Формирование подписи
void	init(boolean forSigning, CipherParameters param) Инициализация
boolean	verifySignature(byte[] message, byte[] sign) Проверка подписи

Methods inherited from class java.lang.Object

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

Field Detail

keyParam

private GammaParameters keyParam

Constructor Detail

ECGOST3410Signer

public ECGOST3410Signer()

Method Detail

init

public void init(boolean forSigning,
                 CipherParameters param)

Инициализация

Specified by:

init in interface DSA

Parameters:

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

param - key parameters for signature generation.

generateSignature

public byte[] generateSignature(byte[] message)

Формирование подписи

Specified by:

generateSignature in interface DSA

Parameters:

message - The message to be signed.

Returns:

Подпись

verifySignature

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

Проверка подписи

Specified by:

verifySignature in interface DSA

Parameters:

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

sign - Signature

Returns:

Результат проверки подписи. truе, если подпись верна, иначе false