Re: Turing documents at the National Archives
Y evaud <[email protected]>
| Newsgroups | gmane.science.cryptography.bletchley-park |
|---|---|
| Message-ID | <[email protected]> |
> I remember that when Tony Sale gave a presentation on Colossus at the late > lamented IEE a few years ago he - or a questioner from the audience - > commented that some of BP's WW II work on statistics and algorithms were > still rgarded as sensitive - and useful - enough to require protection. > > RogerH> I'm wondering whether "HW25/38: Paper on statistics of repetitions by A M Turing" is concerned with his work on Banburismus. If that's the case then since quite a bit has been written on the method and that Friedman's work on the Index of Coincidence is already in the public domain it makes me both very curious - and very puzzled - about what GCHQ's chief mathematician can find in it that's still sensitive after sixty-odd years ! A. _________________________________________________________________ MSN straight to your mobile - news, entertainment, videos and more. http://clk.atdmt.com/UKM/go/147991039/direct/01/