function readPkcs1RSAPublic(der) {
	// modulus and exponent
	var n = readMPInt(der, 'modulus');
	var e = readMPInt(der, 'exponent');

	// now, make the key
	var key = {
		type: 'rsa',
		parts: [
			{ name: 'e', data: e },
			{ name: 'n', data: n }
		]
	};

	return (new Key(key));
}
Initialize a new `Option` with the given `flags` and `description`.

@param {String} flags
@param {String} description
@api public