Advanced Communications and Multimedia Security: IFIP TC6 / - download pdf or read online

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

ISBN-10: 0387356126

ISBN-13: 9780387356129

ISBN-10: 1475744056

ISBN-13: 9781475744057

Advanced Communications and Multimedia Security offers a state of the art evaluate of present views in addition to the newest advancements within the quarter of communications and multimedia protection. It examines standards, concerns and options pertinent to securing details networks, and identifies destiny security-related study demanding situations. a large spectrum of issues is mentioned, together with:
-Applied cryptography;
-Biometry;
-Communication structures safeguard;
-Applications safety; cellular safety;
-Distributed structures safeguard;
-Digital watermarking and electronic signatures.

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

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Read Online or Download Advanced Communications and Multimedia Security: IFIP TC6 / TC11 Sixth Joint Working Conference on Communications and Multimedia Security September 26–27, 2002, Portorož, Slovenia PDF

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Additional 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

When the tree is constructed such that all such paths differ in length by at most one. The length of the path from leaf to the root in a balanced binary tree containing t leaves is about log(t). Using a balanced binary tree as authentication tree, with t public values as leaves, authenticating a public value therein may be achieved by hashing log(t) values along the path to the root. Authentication trees require only a single value which is the root value, in a tree to be registered as authentic, but verification of the authenticity of any particular leaf value requires access to and hashing all values along the authentication path from leaf to root.

Third, buyers could be protected from cheating merchant and other buyers. We'd like to point out in practical environment, the third point is more important than the second. Because once an innocent buyer is accused of guilty, few people are willing to buy that merchant's products. For our scheme, the first point is easy to satisfy if all the parties act according to the protocol. For the second point, we assume that under reasonable collusion size, using the underlying fingerprinting methods, the merchant could identify some traitor and several witness bits upon finding an illegal copy.

In our scheme, we assume that the fingerprinting scheme has reasonable collusive tolerance and tracing only relies on the merchant's initial information and his chosen random bits. , without the help of buyers and without information on buyers' codeword, the merchant can deduce a possible traitor from the illegal copy and the information he stores. There are 4 protocols: initialization, fingerprinting, identification and trial protocols. I. Initialization: All parties generate their certificated public key and secret key pairs (Under assumed Certificated Authority) and publicize their corresponding public keys.

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Advanced Communications and Multimedia Security: IFIP TC6 / TC11 Sixth Joint Working Conference on Communications and Multimedia Security September 26–27, 2002, Portorož, Slovenia by Chris J. Mitchell, Namhyun Hur (auth.), Borka Jerman-Blažič, Tomaž Klobučar (eds.)


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