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File:Al-kindi cryptographic.png

Al-kindi_cryptographic.png (327 × 328 pixels, file size: 52 KB, MIME type: image/png)

Summary

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

Licensing

Public domain

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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=[

Captions

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

Items portrayed in this file

depicts

media type

image/png

checksum

ee860eec1cf9d1f7f8dc583b2b83b3f87159dd4d

determination method or standard: SHA-1

data size

53,013 byte

height

328 pixel

width

327 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current17:19, 11 August 2014Thumbnail for version as of 17:19, 11 August 2014327 × 328 (52 KB)GifTaggerBot: Converting file to superior PNG file. (Source: Al-kindi_cryptographic.gif). This GIF was problematic due to non-greyscale color table.

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