HOTP counter not working as expected

[TABmk]

notp/index.js

Lines 10 to 19 in bbdf82a

	function intToBytes(num) {
	var bytes = [];
	for(var i=7 ; i>=0 ; --i) {
	bytes[i] = num & (255);
	num = num >> 8;
	}
	return bytes;
	}

intToBytes(9999999999999) will give [0, 0, 0, 0, 78, 114, 159, 255] which is <Buffer 00 00 00 00 4e 72 9f ff>

But 9999999999999 decimal to hexadecimal must return 00 00 09 18 4E 72 9F FF

[Uzlopak]

Well...
[...Buffer.from("0" + BigInt(9999999999999).toString(16), "hex")]

ugly hack, bug whatever...