phpseclib\Crypt\RSA\Raw::load PHP Method

    static function load($key, $password = '')
    {
        if (!is_array($key)) {
            return false;
        }
        if (isset($key['isPublicKey']) && isset($key['modulus'])) {
            if (isset($key['privateExponent']) || isset($key['publicExponent'])) {
                if (!isset($key['primes'])) {
                    return $key;
                }
                if (isset($key['exponents']) && isset($key['coefficients']) && isset($key['publicExponent']) && isset($key['privateExponent'])) {
                    return $key;
                }
            }
        }
        $components = array('isPublicKey' => true);
        switch (true) {
            case isset($key['e']):
                $components['publicExponent'] = $key['e'];
                break;
            case isset($key['exponent']):
                $components['publicExponent'] = $key['exponent'];
                break;
            case isset($key['publicExponent']):
                $components['publicExponent'] = $key['publicExponent'];
                break;
            case isset($key[0]):
                $components['publicExponent'] = $key[0];
        }
        switch (true) {
            case isset($key['n']):
                $components['modulus'] = $key['n'];
                break;
            case isset($key['modulo']):
                $components['modulus'] = $key['modulo'];
                break;
            case isset($key['modulus']):
                $components['modulus'] = $key['modulus'];
                break;
            case isset($key[1]):
                $components['modulus'] = $key[1];
        }
        return isset($components['modulus']) && isset($components['publicExponent']) ? $components : false;
    }