/**
* @return DiffieHellmanKeyPair
**/
public static function generate(DiffieHellmanParameters $parameters, RandomSource $randomSource)
{
$result = new self($parameters);
$factory = $parameters->getModulus()->getFactory();
$result->private = $factory->makeRandom($parameters->getModulus(), $randomSource);
$result->public = $parameters->getGen()->modPow($result->private, $parameters->getModulus());
return $result;
}
public function runDiffieHellmanGeneration(BigNumberFactory $factory)
{
$parameters = DiffieHellmanParameters::create($factory->makeNumber(2), $factory->makeNumber(126));
$sourceA = new RandomSourceStub("");
$pairA = DiffieHellmanKeyPair::generate($parameters, $sourceA);
$this->assertEquals($pairA->getPublic()->toString(), '4');
$this->assertEquals($pairA->getPrivate()->toString(), '2');
$sourceB = new RandomSourceStub("");
$pairB = DiffieHellmanKeyPair::generate($parameters, $sourceB);
$this->assertEquals($pairB->getPublic()->toString(), '8');
$this->assertEquals($pairB->getPrivate()->toString(), '3');
$this->assertEquals($pairA->makeSharedKey($pairB->getPublic())->toString(), '64');
$this->assertEquals($pairB->makeSharedKey($pairA->getPublic())->toString(), '64');
$bigSource = new RandomSourceStub($factory->makeNumber('17620208266278770330305877401674539709763945430177869257076175454731875847774962345544017639615825508394434743684629375358533661943819685038381342979593382253449035990153308416178843539244884579493167694072720167536494654808080865723281709878280854033940718446755086284684724942649928096406688489109561821711')->toBinary());
$bigPair = DiffieHellmanKeyPair::generate(DiffieHellmanParameters::create($factory->makeNumber(2), $factory->makeNumber('155172898181473697471232257763715539915724801966915404479707795314057629378541917580651227423698188993727816152646631438561595825688188889951272158842675419950341258706556549803580104870537681476726513255747040765857479291291572334510643245094715007229621094194349783925984760375594985848253359305585439638443')), $bigSource);
$this->assertEquals($bigPair->getPrivate()->toString(), '17620208266278770330305877401674539709763945430177869257076175454731875847774962345544017639615825508394434743684629375358533661943819685038381342979593382253449035990153308416178843539244884579493167694072720167536494654808080865723281709878280854033940718446755086284684724942649928096406688489109561821711');
$this->assertEquals($bigPair->getPublic()->toString(), '93611077906724276144355642962486685180052418906604011044062651816823973443710236445918597792417855982839842862368107478409559670530180271906446567838772164434838441509602151691228515001241179534817267036102715381057132924139174991783818894647585751956892566340543905490069919079555140420098531372841096272473');
$this->assertEquals($bigPair->makeSharedKey($factory->makeFromBinary(base64_decode('ALOlru0GPBCbWulLlZPjRFCVPQDOnmQ+bUaowbHvgA4D1TEDlHA0WgX+HnQuq3KleYWK8jgY0nH/l02gdE93OCMq1Kitat+I8PE1HGVkAQ1J7pfM6f3WISSCa88xm63CLVg4MPTCP+0ONh6A5XUkN+D+LwS4ff9zUoF9GVRRKN6K')))->toString(), '130574307951871152424428936775752636435856388421474727121158044023326117405721624660812283811910707382094169797795608545580344115985070696700827335362669644864287947205210570090276035970957788252377653229959968013235712431298868299742980604595915492149293770517689028200287095518234357514745938567136863374034');
}
