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The British Agent's Bribery and the Intercepted Telegram
- "Mr. H", a British agent in Mexico, bribed an employee of the commercial telegraph company to obtain a copy of a message. The intercepted telegram was encrypted using an older cipher, providing the British with the ability to release it without revealing their code-breaking capabilities.
- By mid-February, the British had not only the complete text of the intercepted telegram, but also the means to prove its authenticity to the United States government. This posed a risk of the Germans realizing their code had been compromised, but the potential of United States entry into the war outweighed this risk.
- As copies of the intercepted telegram would have also been deposited in the American commercial telegraph records, the British had further evidence to support the authenticity of the message.
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>"Mr. H", a British agent in Mexico, bribed an employee of the commercial telegraph company for a copy of the message. (Sir Thomas Hohler, then British ambassador in Mexico, claimed to have been "Mr. H", or at least involved with the interception, in his autobiography.) This ciphertext could be shown to the Americans without embarrassment. ⇒「H氏」(在メキシコの英国人諜報員)は、メッセージのコピーのために、商業電報会社の従業員にわいろを贈った。(当時のメキシコの英国大使トーマス・ホーラー卿は、「H氏」がそれをしたか、少なくとも、彼の自叙伝によればその傍受に関与した、と陳述した)。この(経緯の)暗号文は、困惑・気後れすることなくアメリカ人に提示することができるだろう。 >Moreover, the retransmission was enciphered using the older cipher 13040, so by mid-February the British had not only the complete text, but also the ability to release the telegram without revealing the extent to which the latest German codes had been broken—at worst, the Germans might have realized that the 13040 code had been compromised, but weighed against the possibility of United States entry into the war, that was a risk worth taking. ⇒さらに、転送は以前の暗号13040を使用して暗号化されたので、英国人は2月中旬までに完全なテキストだけでなく、最新のドイツの暗号コードが解明された範囲を明らかにすることなくその電報を公開する能力も持ったのである。― 最悪、ドイツ人は13040コードが危険に晒されたことを認識するかも知れないが、彼らの重視するのは米国の戦争参加の可能性であって、それは引き受ける価値のある危険であった。 >Finally, since copies of the 13040 ciphertext would also have been deposited in the records of the American commercial telegraph, the British had the ability to prove the authenticity of the message to the United States government. ⇒最後に、13040暗号文のコピーがアメリカの商用電報の記録(装置)にも預け入れられているだろうから、その時を期して英国人はメッセージの真正・信憑性を米国政府に証明する能力を持てたはずである。
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