Host Identity Protocol (HIP): Towards the Secure Mobile by Andrei Gurtov

By Andrei Gurtov

“Within the set of many identifier-locator separation designs for the net, HIP has improved additional than anything we now have up to now. it's time to see what HIP can do in higher scale within the actual global. that allows you to make that take place, the area wishes a HIP booklet, and we've it.” - Jari Arkko, web sector Director, IETF One of the demanding situations dealing with the present web structure is the incorporation of cellular and multi-homed terminals (hosts), and an total loss of security opposed to Denial-of-Service assaults and id spoofing. The Host id Protocol (HIP) is being constructed through the net Engineering activity strength (IETF) as an built-in option to those difficulties. The e-book offers a well-structured, readable and compact assessment of the center protocol with correct extensions to the web structure and infrastructure. The lined subject matters comprise the sure End-to-End Tunnel Mode for IPsec, Overlay Routable Cryptographic Hash Identifiers, extensions to the area identify method, IPv4 and IPv6 interoperability, integration with SIP, and help for legacy applications.Unique positive aspects of the book:All-in-one resource for HIP specificationsComplete insurance of HIP structure and protocolsBase alternate, mobility and multihoming extensionsPractical snapshots of protocol operationIP safety on light-weight devicesTraversal of middleboxes, resembling NATs and firewallsName answer infrastructureMicromobility, multicast, privateness extensionsChapter on functions, together with HIP pilot deployment in a Boeing factoryHOWTO for HIP on Linux (HIPL) implementation  An vital praise to the legit IETF requisites, this ebook can be a helpful reference for training engineers in apparatus production businesses and telecom operators, in addition to community managers, community engineers, community operators and telecom engineers. complex scholars and lecturers, IT managers, pros and working method experts also will locate this booklet of curiosity.

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Additional resources for Host Identity Protocol (HIP): Towards the Secure Mobile Internet (Wiley Series on Communications Networking & Distributed Systems)

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Recorded messages can also be used to subvert communication processes other than the one from which the messages were recorded. An attacker could, for example, try to use a recorded protocol handshake to impersonate one of the parties that have been involved in the original communication process. 5 Denial-of-Service attacks Another attack is the Denial-of-Service (DoS) attack, which typically targets hosts that provide some sort of service (servers). The goal of a DoS attack is to consume the resources of a victim to an extent that it is not able to provide adequate or any service to legitimate hosts.

Therefore, the sequence numbers must be integrity protected in some way. This can be done by using keyed message authentication codes (cf. 3), digital signatures (cf. 2), or data encryption (cf. 1). 6 Cryptographic nonces Cryptographic nonces are a way to verify the reachability of a host and to defend against replay attacks. A nonce is a number or a string that is used only once. g. when Alice sends a nonce to Bob who is expected INTRODUCTION TO NETWORK SECURITY 27 to send the nonce back, possibly in an encrypted or otherwise integrity protected way.

AES operates on a fixed block length but allows 128-, 192-, and 256-bit keys to be used. The number of rounds (10, 12, or 14) is determined by the length of the key. AES is considered to be secure and has undergone thorough cryptographic analysis. Stream ciphers In contrast to block ciphers, stream ciphers encrypt a stream of plaintext symbol by symbol. The most common method of stream-cipher encryption is to generate a key stream from a shared key. The data stream is added to the key stream symbol by symbol.

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