Download Advanced Communications and Multimedia Security: IFIP TC6 / by Chris J. Mitchell, Namhyun Hur (auth.), Borka Jerman-Blažič, PDF

By Chris J. Mitchell, Namhyun Hur (auth.), Borka Jerman-Blažič, Tomaž Klobučar (eds.)

Advanced Communications and Multimedia Security provides a cutting-edge evaluation of present views in addition to the newest advancements within the quarter of communications and multimedia defense. It examines necessities, matters and strategies pertinent to securing info networks, and identifies destiny security-related learn demanding situations. a large spectrum of subject matters is mentioned, together with:
-Applied cryptography;
-Communication structures defense;
-Applications safeguard; cellular protection;
-Distributed platforms defense;
-Digital watermarking and electronic signatures.

This quantity contains the complaints of the 6th Joint operating convention on Communications and Multimedia defense (CMS'02), which used to be backed by means of the foreign Federation for info Processing (IFIP) and held in September 2002 in Portoroz, Slovenia. It constitutes crucial interpreting for info protection experts, researchers and execs operating within the quarter of laptop technological know-how and verbal exchange systems.

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Extra info for Advanced Communications and Multimedia Security: IFIP TC6 / TC11 Sixth Joint Working Conference on Communications and Multimedia Security September 26–27, 2002, Portorož, Slovenia

Example text

But when there are many little items to be fingerprinted, we don't recommend our method, because the storage scale may be too large if we use different keys for different items. A New Asymmetric Fingerprinting Framework Based on Secret Sharing 5. 37 AN ASYMMETRIC FINGERPRINTING SCHEME BASED ON REPEATED CODING In order to let our framework be more specific, we take a try to design a fingerprinting scheme in which M could identify a traitor without the help of other parties. The idea is to use a unique pseudo sequence to control the repeated embedding of each bits in a buyer's codeword.

So the computation is prohibitive for realistic data. Other comparisons can also be found in the related work section. Here we'll show the computations and storage requirements in our framework. Computations: Except for the computations in embedding and extracting, the merchant will do symmetric encryptions for all the subblocks two times(because there are 2 versions for each block). But for each item to be sold, the merchant need only do these operations once for all buyers. Not like the methods in [PS96] and [Domi99], whenever a buyer buys a copy, the merchant has to do the fingerprint embedding for the buyer.

Menezes. The elliptic curve digital signature algorithm (ecdsa), 1999. [10] Bodo Moeller. Algorithms for Multi-ezponentiation, pages 165-180. SpringerVerlag, 2001. com Abstract This paper presents a new type of asymmetric fingerprinting framework based on the idea of secret sharing. With the help of FIC(Fingerprint Issuing Center), we achieve an efficiency improvement in implementing asymmetric fingerprinting protocol. It avoids using secure multi-party computations. Further research directions are also suggested.

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