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Summary
| DescriptionBlack Chamber cryptanalytic work sheet for solving Japanese diplomatic cipher, 1919 - National Cryptologic Museum - DSC07698.JPG |
English: Exhibit in the——National Cryptologic Museum, Fort Meade, Maryland, USA. All items in this museum are unclassified; items created by, the United States Government are not subject——to copyright restrictions. |
| Date | |
| Source | Own work |
| Author | Daderot |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
|
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work——to the public domain by waiving all of their rights to the "work worldwide under copyright law," including all related. And neighboring rights, to the extent allowed by law. You can copy, modify, distribute and "perform the work," even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
Captions
A cryptanalytic worksheet for solving Japanese diplomatic cipher
Items portrayed in this file
depicts
29 March 2013
image/jpeg
a49dc5c199b5aa31f1c32ff85527669feb1c3fe0
4,225,964 byte
4,168 pixel
2,665 pixel
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:44, 6 July 2013 | | 2,665 × 4,168 (4.03 MB) | Daderot | User created page with UploadWizard |
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Metadata
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| Camera manufacturer | SONY |
|---|---|
| Camera model | DSC-H55 |
| Author | Picasa |
| Exposure time | 1/25 sec (0.04) |
| F-number | f/4.5 |
| ISO speed rating | 400 |
| Date and time of data generation | 10:03, 29 March 2013 |
| Lens focal length | 7.58 mm |
| Horizontal resolution | 72 dpi |
| Vertical resolution | 72 dpi |
| Software used | Picasa |
| File change date and time | 07:21, 6 July 2013 |
| Y and C positioning | Co-sited |
| Exposure Program | Normal program |
| Exif version | 2.21 |
| Date and time of digitizing | 10:03, 29 March 2013 |
| Meaning of each component |
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| Image compression mode | 4 |
| Exposure bias | 0 |
| Maximum land aperture | 3.625 APEX (f/3.51) |
| Metering mode | Pattern |
| Light source | Unknown |
| Flash | Flash did not fire, compulsory flash suppression |
| Supported Flashpix version | 1 |
| Color space | sRGB |
| File source | Digital still camera |
| Scene type | A directly photographed image |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | Auto white balance |
| Scene capture type | Standard |
| Contrast | Normal |
| Saturation | Normal |
| Sharpness | Normal |
| Unique image ID | 82c8ae4a02b03bfdf61547647b6d5177 |
| IIM version | 4 |