export function decode(base32) { for ( var base32chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567", bits = "", hex = "", i = 0; i < base32.length; i++ ) { var val = base32chars.indexOf(base32.charAt(i).toUpperCase()); bits += leftpad(val.toString(2), 5, "0"); } for (i = 0; i + 4 <= bits.length; i += 4) { var chunk = bits.substr(i, 4); hex += parseInt(chunk, 2).toString(16); } return hex; } function leftpad(str, len, pad) { return ( len + 1 >= str.length && (str = new Array(len + 1 - str.length).join(pad) + str), str ); }