Jose\KeyConverter\RSAKey::populateBigIntegers PHP Method

    private function populateBigIntegers()
    {
        $this->modulus = $this->convertBase64StringToBigInteger($this->values['n']);
        $this->modulus_length = mb_strlen($this->getModulus()->toBytes(), '8bit');
        $this->public_exponent = $this->convertBase64StringToBigInteger($this->values['e']);
        if (true === $this->isPrivate()) {
            $this->private_exponent = $this->convertBase64StringToBigInteger($this->values['d']);
            if (array_key_exists('p', $this->values) && array_key_exists('q', $this->values)) {
                $this->primes = [$this->convertBase64StringToBigInteger($this->values['p']), $this->convertBase64StringToBigInteger($this->values['q'])];
                $this->exponents = [$this->convertBase64StringToBigInteger($this->values['dp']), $this->convertBase64StringToBigInteger($this->values['dq'])];
                $this->coefficient = $this->convertBase64StringToBigInteger($this->values['qi']);
            }
        }
    }