In cryptanalysis, gardening is the act of encouraging a target to use known plaintext in an encrypted message. It was a term used at the British Government Code and Cypher School at Bletchley Park, England, during World War II, for schemes to entice the Germans to include particular words, which the British called "cribs", in their encrypted messages. This term presumably came from RAF minelaying missions, or "gardening" sorties. "Gardening" was standard RAF slang for sowing mines in rivers, ports and oceans from low heights, possibly because each sea area around the European coasts was given a code-name of flowers or vegetables.
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| - Gardening (Kryptologie) (de)
- Gardening (cryptanalysis) (en)
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| - Als gardening (deutsch wörtlich: Das Gärtnern oder die Gartenarbeit), gelegentlich auch als Operation Garden, (nicht zu verwechseln mit der gleichnamigen Operation Garden als Teil der alliierten Luft-Boden-Operation Market Garden von 1944) wurde in der Kryptologie, insbesondere bei der Kryptanalyse der während des Zweiten Weltkriegs von den deutschen Militärs eingesetzten Rotor-Schlüsselmaschine Enigma, ein Verfahren bezeichnet, mit dem die deutsche Seite dazu verleitet werden sollte, Geheimtexte zu funken, für die die britischen Codebreakers im englischen Bletchley Park (B.P.) den dazugehörigen Klartext erraten konnten. Dieser diente ihnen als Crib für die abgefangenen Funksprüche und half ihnen bei der erfolgreichen Entzifferung der deutschen Maschine. (de)
- In cryptanalysis, gardening is the act of encouraging a target to use known plaintext in an encrypted message. It was a term used at the British Government Code and Cypher School at Bletchley Park, England, during World War II, for schemes to entice the Germans to include particular words, which the British called "cribs", in their encrypted messages. This term presumably came from RAF minelaying missions, or "gardening" sorties. "Gardening" was standard RAF slang for sowing mines in rivers, ports and oceans from low heights, possibly because each sea area around the European coasts was given a code-name of flowers or vegetables. (en)
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| - Als gardening (deutsch wörtlich: Das Gärtnern oder die Gartenarbeit), gelegentlich auch als Operation Garden, (nicht zu verwechseln mit der gleichnamigen Operation Garden als Teil der alliierten Luft-Boden-Operation Market Garden von 1944) wurde in der Kryptologie, insbesondere bei der Kryptanalyse der während des Zweiten Weltkriegs von den deutschen Militärs eingesetzten Rotor-Schlüsselmaschine Enigma, ein Verfahren bezeichnet, mit dem die deutsche Seite dazu verleitet werden sollte, Geheimtexte zu funken, für die die britischen Codebreakers im englischen Bletchley Park (B.P.) den dazugehörigen Klartext erraten konnten. Dieser diente ihnen als Crib für die abgefangenen Funksprüche und half ihnen bei der erfolgreichen Entzifferung der deutschen Maschine. (de)
- In cryptanalysis, gardening is the act of encouraging a target to use known plaintext in an encrypted message. It was a term used at the British Government Code and Cypher School at Bletchley Park, England, during World War II, for schemes to entice the Germans to include particular words, which the British called "cribs", in their encrypted messages. This term presumably came from RAF minelaying missions, or "gardening" sorties. "Gardening" was standard RAF slang for sowing mines in rivers, ports and oceans from low heights, possibly because each sea area around the European coasts was given a code-name of flowers or vegetables. The technique is claimed to have been most effective against messages produced by the German Navy's Enigma machines. If the Germans had recently swept a particular area for mines, and analysts at Bletchley Park were in need of some cribs, they might (and apparently did on several occasions) request that the area be mined again. This would hopefully evoke encrypted messages from the local command mentioning Minen (German for mines) and/or the location, and perhaps messages also from the headquarters with minesweeping ships to assign to that location, mentioning the same. It worked often enough to try several times. This crib-based decryption is an example of a chosen-plaintext attack, because plain text effectively chosen by the British was injected into the ciphertext. (en)
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