419 search results - page 49 / 84 » From digital audiobook to secure digital multimedia-book |
DAM
2006
14 years 9 months ago
2006
We propose the concept of fine-grained forward-secure signature schemes. Such signature schemes not only provide non-repudiation w.r.t. past time periods the way ordinary forward-...
131
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FPGA
2004
ACM
15 years 1 months ago
2004
ACM
Field Programmable Gate Arrays (FPGAs) are an increasingly popular choice of platform for the implementation of cryptographic systems. Until recently, designers using FPGAs had le...
101
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SSWMC
2004
14 years 11 months ago
2004
Identity documents, such as ID cards, passports, and driver's licenses, contain textual information, a portrait of the legitimate holder, and eventually some other biometric ...
62
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CCS
2010
ACM
15 years 4 months ago
2010
ACM
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
Malicious programs spy on users’ behavior and compromise their privacy. Even software from reputable vendors, such as Google Desktop and Sony DRM media player, may perform undes...