Get Bulletproof Wireless Security PDF

By Praphul Chandra

ISBN-10: 0750677465

ISBN-13: 9780750677462

Finally--a unmarried quantity consultant to truly potent defense for either voice and information instant networks!
More and extra info and voice communications are going through instant sooner or later among the sender and meant recipient. for this reason, actually "bulletproof" instant protection is now greater than a fascinating feature--instead, it is necessary to guard crucial own and company info from hackers and eavesdroppers.
In this useful reference, Praphul Chandra grants the conceptual and sensible instruments each RF, instant, and community engineer wishes for high-security instant applications.
Book assessment From EDN Magazine:
Inside this ebook you can find assurance of those crucial topics:
+ Cryptographic protocols utilized in instant networks.
+ Key-based protocols, together with key alternate and authentication techniques
+ a variety of different types of instant community assaults, together with mirrored image, consultation hijacks, and Fluhrer-Mantin-Shamir (FMS) attacks.
+ Encryption/decryption criteria and methods.
+ Multi-layered defense architectures.
+ safe sockets layer (SSL) and shipping layer defense (TLS) protocols.
+ cellular phone community architectures and their vulnerabilities.
+ Modulation innovations, corresponding to direct-sequence unfold spectrum (DSSS) and orthogonal frequency department multiplexing (OFDM).
And you are going to additionally locate insurance on such state of the art themes as safety recommendations for advert hoc networks and maintaining Bluetooth networks. if you are occupied with instant defense, then this identify belongs in your reference bookshelf!

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Example text

Let’s call this key K1. B sends a random number to A. A encrypts this random number with its own private key and sends this to B. B decrypts the received message using K1 (A’s public key). If B finds that it is successfully able to decrypt and obtain the random number it sent, B is ensured that it is talking to A. 11: Challenge-Response 12 Security and Cryptography decrypting the response. If this is verified, B authenticates A. A may also authenticate B by sending a challenge. Challenge-response systems and digital signatures are variations of the same technique.

It is not a good idea to use a “secret” (proprietary) algorithm to ensure the security of a system since these algorithms, by definition, have been reviewed only by a small group of people and have a higher probability of hidden weaknesses and loopholes. Standardized algorithms have been reviewed much more thoroughly and therefore have a lower probability of suffering from weaknesses and loopholes. Using standardized algorithms also ensures interoperability with products from other manufacturers.

Security is provided by making the output of the key-stream generator a function of a key provided to it as an input. The key should first be negotiated securely between the sender and the receiver (by using PKC for example). Then, the key-stream generator at the sender and the receiver use the negotiated key to produce identical output. Pseudorandom numbers are numbers that “appear” to be random, but have a deterministic pattern since they are, after all, produced by some finite state machine. The more obscure this pattern (that is, the longer the repetition period), the better is the security provided.

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Bulletproof Wireless Security by Praphul Chandra

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