View Single Post
  #11  
Old 11-08-2016, 06:07
Cryo Cryo is offline
Friend
 
Join Date: Sep 2016
Posts: 7
Rept. Given: 0
Rept. Rcvd 0 Times in 0 Posts
Thanks Given: 3
Thanks Rcvd at 9 Times in 4 Posts
Cryo Reputation: 0
After working on this off and on for quite a while, I can't seem to really find any way to crack this. However, one thing I have noticed is that each of the generated ciphertext all have a GCD of 9. Is it a common expectation of RSA-generated ciphertexts to have a similar GCD, or does the fact that they all have a GCD > 1 mean that the possibilities can be reduced by any amount?

Thanks again for the helpful advice! I've been studying crypto more, but couldn't quite find whether this situation was expected or whether it indicated a vulnerability in this particular implementation.
Reply With Quote