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British “Fish” Chart of Nazi Encryption
Bletchley Park called the entire family of German teleprinter cipher traffic “fish.” The Lorenz SZ40/42 machine’s traffic specifically became “Tunny” (tunafish); the rival Siemens T52 was “Sturgeon.” Every individual radio link got its own …
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Bletchley Park called the entire family of German teleprinter cipher traffic “fish.” The Lorenz SZ40/42 machine’s traffic specifically became “Tunny” (tunafish); the rival Siemens T52 was “Sturgeon.” Every individual radio link got its own fish name. The dates are operational visibility into when the fish were biting. Perch is the notable one, as it was … Continue reading British “Fish” Chart of Nazi Encryption
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