NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Cryptography Would Reveal Alterations In PhotographsPublic-key decryption method proposed to guarantee authenticity of photographic images represented in form of digital files. In method, digital camera generates original data from image in standard public format; also produces coded signature to verify standard-format image data. Scheme also helps protect against other forms of lying, such as attaching false captions.
Document ID
19950065258
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Friedman, Gary L.
(Caltech)
Date Acquired
August 17, 2013
Publication Date
February 1, 1995
Publication Information
Publication: Laser Tech. Brief.
Issue: 1
Subject Category
Mathematics And Information Sciences
Report/Patent Number
NPO-19108
Accession Number
95B10099
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

Available Downloads

There are no available downloads for this record.
No Preview Available