Cryptanalysis of the Enigma by the letters on the top row of the Enigma keyboard. So, "continuation of message sent at 2330" was represented as "FORTYWEEPYYWEEPY". "Cribs" were fundamental to the British approach to solving Enigma keys, but guessing the plaintext for a message was a highly skilled business. So in 1940 Stuart Milner-Barry set up a special "Crib Room" in Hut 8. Foremost amongst the knowledge needed for identifying cribs was the text of previous decrypts. Bletchley Park maintained detailed indexes of message preambles, of every person, of every ship, of every unit, of every weapon, of every technical term and of repeated
The World that was Ours The World that was Ours The World that was Ours (1967) is Hilda Bernstein's personal account of life in Johannesburg under the oppressive surveillance of the apartheid regime. Hilda and her husband Rusty Bernstein were both detained, along with many others, in the aftermath of the Sharpeville massacre of 1960. Upon their release, Rusty was placed under house arrest, while Hilda's day-to-day activities were closely monitored by the Special Branch, if not altogether prohibited. Her memoir recalls these fraught years in the build-up to the landmark Rivonia Trial, the events and ordeals of the Trial itself, and finally the couple's