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

Advanced Communications and Multimedia Security provides a state of the art evaluate of present views in addition to the most recent advancements within the sector of communications and multimedia safety. It examines requisites, concerns and strategies pertinent to securing details networks, and identifies destiny security-related examine demanding situations. a large spectrum of subject matters is mentioned, together with:
-Applied cryptography;
-Biometry;
-Communication platforms safeguard;
-Applications defense; cellular safety;
-Distributed platforms protection;
-Digital watermarking and electronic signatures.

This quantity includes the complaints of the 6th Joint operating convention on Communications and Multimedia defense (CMS'02), which used to be backed through the foreign Federation for info Processing (IFIP) and held in September 2002 in Portoroz, Slovenia. It constitutes crucial interpreting for info safety experts, researchers and execs operating within the region of computing device technological know-how and communique 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

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Furthermore, the finite field module contains interfaces for field elements and their values. Thereby implementations can choose any desired data structures and algorithms. Elliptic Curve Arithmetic. The structure of this module is very similar to the previously presented. Again the developer has the complete freedom of how to present the data and which algorithms to use. Depending on patent issues it is possible to change algorithms without any modification in the rest of the whole library. Also the coordinate Implementing Elliptic CUnJe Cryptography 27 types (affine, projective or mixed) are not hard coded and can be changed transparently.

Wag83] N. 18-22, 1983. au Abstract We exploit the unique features of the k-sibling Intractable hashing method in presenting two authentication schemes. In the first scheme, we propose a method which enables intermediate nodes in IP communication networks to verify the authenticity of transit flows. While in the second scheme, we introduce a new one-time digital signatures scheme. Keywords: Network security, k-sibling hashing, source authentication, one-time signatures 1. INTRODUCTION There has been considerable interest in group-based applications over the last few years with the emergence of new sorts of communication modes such as multicast, concast and broadcast.

The other motivation is the requirement by the intermediate nodes in IP network for a technique to authenticate the packets in their transitions from source destination. IPSec [12] is a security mechanism designed to provide security services for IP communication. It provides source authentication, confidentiality, as well as integrity. As far as source authentication is concerned, with the symmetric authentication option provided by IPsec, only hop-by-hop authentication can be achieved. This means that a node that receives a message only knows that it came from an authenticated node where they share common key in the domain.

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