public function createDependencies()
{
$this->mathInterface = $this->createMock(GmpMathInterface::class);
$this->signer = $this->createMock(Signer::class);
$this->nistCurve = $this->createMock(NistCurve::class);
$this->serializer = $this->createMock(SignatureSerializer::class);
$this->numberGenerator = $this->createMock(RandomNumberGeneratorInterface::class);
}