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An Illustration Of Hashing And Its Effect On Illegal File Content In The Digital Age, Stephen Hoffman
An Illustration Of Hashing And Its Effect On Illegal File Content In The Digital Age, Stephen Hoffman
Stephen P. Hoffman
I aim to show, through practical examples, that computer forensics techniques such as the use of hash values are inherently flawed in tracking illegal computer files. First, I describe the underlying theory of hashing algorithms and hash values, as well as explain that several U.S. government agencies keep detailed file databases in order to track or detect illegal files, e.g. pirated media or child pornography. These databases include the file’s unique hash values. Then, I provide real examples of hash values using MD5 and SHA-1 hashing algorithms to show how extremely minor alterations to a computer file produce radically different …
An Evolutionary Study Of Cloud Computing Services Privacy Terms, Konstantinos Stylianou
An Evolutionary Study Of Cloud Computing Services Privacy Terms, Konstantinos Stylianou
Konstantinos Stylianou
This paper presents an empirical study on the evolution of privacy terms of cloud computing services. The purpose is to see whether the transition to cloud computing also means that users are bound by more intrusive terms of use that pose a greater threat to their privacy. In that direction several typical cloud services (e.g. GoogleDocs, Amazon EC2) are examined from their start of operation till today and numerous versions of their privacy terms are juxtaposed in an effort to pinpoint and interpret the differences between them. The paper concludes that with the spread of cloud computing services more and …