RSA Noob
60 points Medium

These numbers were scratched out on a prison wall. Can you help me decode them? https://mega.nz/#!al8iDSYB!s5olEDK5zZmYdx1LZU8s4CmYqnynvU_aOUvdQojJPJQ

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Discussion

How Euler's Theorem is used?

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Convert the second number to hex and then to ascii

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use python, not decoder, note the discussion here https://blog.noxtal.com/writeups/2020/05/28/ctflearn120/

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NICE!!!

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c = m^e mod n

Here we have c, e and n.. we need to calculate m. Since e = 1 its very easy to solve. Final value has to be converted from declimal to hexa to text

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flge is bytearray(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00abctf{b3tter_up_y0ur_e}')

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Hint : Learn python3 lol python

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