Discussion
good one
We are looking at a binary (base2) digits, which could be either 1 or 0. Though, your system hardware only sees these as high voltage, such as 5 volts and low voltage, which is 0 volts.
A sequence of high and low voltages are called Binary digITS (bits) as given in this challenge.
01000011010101000100011001111011010000100110100101110100010111110100011001101100011010010111000001110000011010010110111001111101
Since we are looking for a flag, we need to map these bits to something readable. American Standard Code for Information Interchange (ASCII), is a character encoding standard for electronic communication. You can look up an ASCII table at http://www.asciitable.com/.
We cannot map bits to ASCII directly, because only decimal, hexadecimal and octal “understand” ASCII, so we convert the bits to hexadecimal. This gives us the following output.
43 54 46 7b 42 69 74 5f 46 6c 69 70 70 69 6e 7d
When you map the hexadecimal values to ASCII, you found the flag.
super easy
Atleast give some challenge
Took me 30 seconds... I acc thought that is was ROT or smthg while reading the description but when i saw the numbers I knew what was next
Very easy and straight forward.
SuperEz
2 weeks ago