Cryptanalysis

Tuesday 27 November 2018, 00:36  #1
RSA decryption oracle
chuck_bartowsky
  • 3 posts

Hi there,

I have managed find m = c^d mod n. However this does not seem to be the expected solution. Any hints?
Thanks!

Monday 24 December 2018, 17:31  #2
RSA decryption oracle
pmonti
  • 4 posts

Hi chuck!

If you verified that your m^e mod n equals the starting ciphertext, then it’s correct.
Then getting the flag out of it might require some special attention ;)