File:Al-kindi Cryptographic.gif
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Original upload log
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 8 June 2008, 19:45:35 | 327 × 328 (48297 bytes) | RsAzevedo (talk · contribs) | {{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=[ |
