78 search results - page 4 / 16 » Attacking Some Perceptual Image Hash Algorithms |
AFRICACRYPT
2009
Springer
14 years 18 days ago
2009
Springer
Vortex is a hash function that was first presented at ISC’2008, then submitted to the NIST SHA-3 competition after some modifications. This paper describes several attacks on b...
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
An algorithm is presented which implements image watermarking in the domain of an overcomplete, or redundant, wavelet transform. This algorithm expands on a previous method which ...
ICIP
2008
IEEE
14 years 7 months ago
2008
IEEE
Hashes can be used to provide authentication of multimedia contents. In the case of images, a hash can be used to detect whether the data has been modified in an illegitimate way....
ICMCS
2006
IEEE
13 years 12 months ago
2006
IEEE
Abstract— Driven by the recent advances in digital entertainment technologies, digital multimedia content (such as music and movies) is becoming a major part of the average compu...
FSE
2008
Springer
13 years 7 months ago
2008
Springer
MD4 is a hash function introduced by Rivest in 1990. It is still used in some contexts, and the most commonly used hash function (MD5, SHA-1, SHA-2) are based on the design princip...