Re: M4 project
Geoff Sullivan <[email protected]>
| Newsgroups | gmane.science.cryptography.bletchley-park |
|---|---|
| Message-ID | <[email protected]> |
steve-ZMQM5VTtYHJ+cjeuK/[email protected] wrote: > As a point of interest, has the M4 team issued attempts on the message > using 4th rotor gamma and thin UKW "c"? These messages were intercepoted > "during the 1941 blackout" (i.e. between Feb and Dec 1941). UKW "C" was > introduced "in 1941" according to wikipedia. > > I'll take a wild guess that the two events happened at the same time, > and that M4 was equipped with the two "greek" wheels and matching UKWs > from the start. The messages are from November 1942. M4 was introduced the previous February. I don't think C/gamma was in service before these messages were sent. wikipedia may be wrong - another job for Matt. Geoff