0 dayz On Aug 18, 2015 9:29 PM, "jim bell" <[email protected]> wrote:
> *From:* Peter Fairbrother <[email protected]> > > *Subject:* Re: Recommended Movie: "Sebastian" 1968. > > On 18/08/15 03:46, jim bell wrote: > > > >> Since people seem to be recommending things, I recommend the movie > >> "Sebastian". Dirk Bogarde, Susannah York. > >> https://www.youtube.com/watch?v=bIK3OYnD9MY > > >> Out of date even when it was made, I think it really represents the > >> cryptography situation as of the 1930's. > > >Based on a screenplay by Leo Marks - author of Between Silk and Cyanide: > >A Codemaker's War 1941-1945. > >Essential reading. Leo was the codemaker for SOE. All hand ciphers and > >agents. > >He wasn't at Bletchley - who called him "the one who got away" - though, > >and so no machine ciphers. > >The Silk in the title was for OTPs which could be hidden in clothing > >from Gestapo/SS searches. > >As I said, essential reading. > > > The tv show 60 Minutes spilled the beans about Enigma in 1975. > http://www.cbsnews.com/videos/the-ultra-secret/ > What most people didn't realize was that the controversy was due to the > fact that rotor-driven cipher machines had been continued to be sold in the > post-WWII era, without their weakness being recognized. This allowed the > CIA/GCHQ to continue to decrypt enciphered messages for decades afterwards. > Jim Bell > > > > > > >
