File:Whitfield Diffie Royal Society (cropped).jpg
Whitfield_Diffie_Royal_Society_(cropped).jpg (460 × 471 pixels, file size: 171 KB, MIME type: image/jpeg)
This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
DescriptionWhitfield Diffie Royal Society (cropped).jpg |
English: Bailey Whitfield Diffie (born June 5, 1944) is an American cryptographer and one of the pioneers of public-key cryptography.
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Attribution: The Royal Society
العربية: بيلي ويتفيلد ديفي (من مواليد 5 يونيو 1944) هو كاتب تشفير أمريكي وأحد رواد تشفير المفتاح العام. |
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Date | ||||
Source | Own work | |||
Author | Duncan.Hull | |||
Other versions |
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Licensing
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Items portrayed in this file
depicts
some value
14 July 2017
0.00625 second
10
105 millimetre
100
File history
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Date/Time | Dimensions | User | Comment | |
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current | 11:17, 29 February 2020 | 460 × 471 (171 KB) | Jochen Burghardt | File:Whitfield Diffie Royal Society.jpg cropped 29 % horizontally, 52 % vertically using CropTool with lossless mode. |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon EOS 5D Mark III |
Exposure time | 1/160 sec (0.00625) |
F Number | f/10 |
ISO speed rating | 100 |
Date and time of data generation | 14:38, 14 July 2017 |
Lens focal length | 105 mm |
Width | 3,724 px |
Height | 5,586 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CC 2014 (Macintosh) |
File change date and time | 18:14, 14 July 2017 |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 14:38, 14 July 2017 |
APEX shutter speed | 7.321928 |
APEX aperture | 6.643856 |
APEX exposure bias | 0 |
Subject distance | 0 meters |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Color space | Uncalibrated |
Focal plane X resolution | 3,942.5051269531 |
Focal plane Y resolution | 3,950.6171875 |
Focal plane resolution unit | inches |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Scene capture type | Standard |
GPS tag version | 0.0.3.2 |
Serial number of camera | 273021001728 |
Lens used | Canon EF 24-105mm f/4L IS USM |
Date metadata was last modified | 19:14, 14 July 2017 |
Unique ID of original document | 3CFA49EFC9DC1343646558196F3824A6 |
IIM version | 4 |