401 search results - page 52 / 81 » Delegatable Functional Signatures |
ICIP
2005
IEEE
14 years 10 months ago
2005
IEEE
Most block-based image authentication techniques that are presented in the literature sacrifice localization accuracy in order to resist vector quantization (VQ) counterfeiting att...
ACSAC
2007
IEEE
14 years 3 months ago
2007
IEEE
Detection of malicious software (malware) by the use of static signatures is often criticized for being overly simplistic. Available methods of obfuscating code (so-called metamor...
PKC
2007
Springer
14 years 2 months ago
2007
Springer
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
SMI
2005
IEEE
14 years 2 months ago
2005
IEEE
— The ability to identify similarities between shapes is important for applications such as medical diagnosis, object registration and alignment, and shape retrieval. In this pap...
CSL
1999
Springer
14 years 1 months ago
1999
Springer
Abstract. We study a weakening of the notion of logical relations, called prelogical relations, that has many of the features that make logical relations so useful but having furth...