Quote:
Originally Posted by tcolvin
B-Dienst would also have broken RAF codes for much of the war ...
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But didn't, apparently, and I doubt they could have overcome the machine ciphers (TypeX) that the RAF was using, not least because they believed their own machine ciphers were inviolable.
I can't remember if they were breaking the Royal Navy's codes as well as the Convoy Codes (based on code books) used by the Merchant Navy.