Recommended Movie: "Sebastian" 1968.
jdb10987 at yahoo.com
Tue Aug 18 11:23:15 PDT 2015
From: Peter Fairbrother <peter at m-o-o-t.org>
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.
>> Out of date even when it was made, I think it really represents the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
>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
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