576KiB, 1748x881, Capture d’écran 2022-03-24 101725.jpg View SameGoogleiqdbSauceNAO first substitution cipher method to resist a frequency analysis attack Anonymous Thu 24 Mar 09:53:16 2022 No.14330793 ViewReplyOriginalReport Quoted By: first substitution cipher method to resist a frequency analysis attack It's historic!