Al-kindi_cryptographic.png(327 × 328 piksel, ukuran koropak: 52 KB, tipeu MIME: image/png)

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English: The first page of al-Kindi's "Manuscript on Deciphering Cryptographic Messages", containing the oldest known description of cryptanalysis by frequency analysis.
Titimangsa unidentified manuscript, unknown source or date; uploaded 2007-01-11 22:23
Sumber en:Image:Al-kindi_cryptographic.gif
Pangarang unknown, uploader en:User:Jidan

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Titimangsa Ukuran Pamaké Kamandang
8 Juni 2008, 19:45:35 327 × 328 (48297 bytes) RsAzevedo (obrolan · kontribusi) {{Information |Description={{en|1=The first page of al-Kindi's manuscript "On Deciphering Cryptographic Messages", containing the oldest known description of cryptanalysis by frequency analysis.}} |Source=[[:en:Image:Al-kindi_cryptographic.gif]] |Author=[

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The first page of al-Kindi's "Manuscript on Deciphering Cryptographic Messages"

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