security protocols for sensor networks

... authentication are guar- anteed if the formulas in Table 4.4 hold Formally,Tusa A Pus F [TLS:Server|x dtis,auth \ Ptts,sec(ii) The formulas in Table 4.4 are invariants of TLS Formally, TLS ' Tusi AT us.2Operating ... other than the client and the server For server Y and client X, this property is formulated in Definition 4.3.2.TLS is said to provide session authentication for the server role if Otisautn holds, ... Authentication in this form is implied by our proof The supplicant guarantees are identical to the original 4-Way Handshake.The TLS/SSL [29] protocol provides end-to-end security and is widely

Ngày tải lên: 02/10/2024, 02:16

... the area of security for sensor networks Section 3 details our class of application, stating how sensor networks are a solution Section 4 details our security protocol for sensor networks Section ... the purposes of the sensor network 4 Trang 5Our approach to defining a security protocol for sensor networks is resource driven and factors in the trade offs between levels of security and the requisite ... point forward for the life of the sensor network To put the energy requirements into perspective, suppose that a sensor network using our security protocol were to maintain its peak rate for a

Ngày tải lên: 14/02/2014, 16:20

... has propagated the use of sensor networks in many applications Sensor networks join small sized sensors and actuators with general purpose computing components [1] Such networks comprise of hundreds ... situated The types of topologies used for sensor networks include star, mesh, star-mesh etc [2] In Wireless sensor networks there are two kinds of wireless nodes; sensor and base station nodes The ... expensive than sensors having a single base station When working with single protocols, software or certain services, sometimes there is a need for trading of performance or cost for security This

Ngày tải lên: 05/03/2014, 23:20

... two categories of routing protocols for ad hoc networks? 9.3: What are the functions of table-driven routing protocols? 9.4: What are the functions of on-demand routing protocols? Practice problem ... Routing protocols in mobile and wireless networks Learning objectives After completing this chapter, you are able to • demonstrate an understanding of routing protocols in mobile and wireless networks; ... wireless networks; • explain table-driven routing protocols; and • explain on-demand routing protocols. 180 ROUTING PROTOCOLS IN MOBILE AND WIRELESS NETWORKS Practice problems 9.1: What is an ad

Ngày tải lên: 13/08/2014, 22:21

... user and security managers that establish a user management andallow for the enforcement of access policies An additional resource manager providesinformation about device utilization, for example, ... system resources for security reasons.Usually these agents interact with the user for an initial configuration before they arelaunched into the network They allow the user to perform remote operations ... information about the user’s preferences and data, display andsecurity settings, and scheduling information and address books The profile directory isa generic database for maintaining user information,

Ngày tải lên: 14/08/2014, 12:21

... standardization involves WirelessATM Group (WAG) of the ATM Forum and the BRAN project of ETSI These effortsinvolve developing a technology for wideband wireless local access that includes ATMfeatures ... performance when data framesizes are larger than the size of the RTS frame, which is the RTS threshold The RTS/CTSmechanism is enabled for data frame sizes over the threshold and is disabled for ... represents a distributed queuing system with queuesinside the WTs for uplink cells and the BS for downlink cells Similarly, as in fixedATM networks with a relatively low data rate (e.g., 20 MB s−1),

Ngày tải lên: 14/08/2014, 12:21

... broadcast the frame configurationinformation, the connection setup, the allocation information, the request information,and the data to all mobile devices The information and the data can be broadcast ... outirrelevant information upon receiving them The first segment of the downlink frame isused for control signaling needed for the frame configuration to be known by all mobiledevices before starting ... of carrying additional information for differentclasses of ATM service (e.g., CBR, VBR, etc.) This additional information is used by the BS to provide better QoS support for different classes of

Ngày tải lên: 14/08/2014, 12:21

... stLoca-andLoca-ard content formLoca-ats supported by most browser user Loca-agents, includingthe HTML, the JavaScript scripting language, and other formats like bitmap image for-mats The WWW defines ... protocol and has no bearing on what protocolsmay be used in intervening connections The gateway performs protocol conversion bytranslating requests from WSP into other protocols, and translating the ... messageeditors, and so on, and services and formats including common elements and formatsaccessible to user agents such as Wireless Markup Language (WML), WMLScript, imageformats, vCard (electronic business

Ngày tải lên: 14/08/2014, 12:21

... of profile information by each server/gateway/proxy is hard to predict. Therefore, gateways/proxies should forward all profile information to the server. Any requests for profile information that ... not ideal for slow networks. An alternative is to send only the changes. The CC/PP exchange protocol does not depend on the profile format that it conveys. Therefore, another profile format besides ... the format of the document profile, the translation can be done in different ways. 8. In the case of a dedicated XML-based format, mapping the XML Schema for the dedicated format to the schema for

Ngày tải lên: 14/08/2014, 12:21

... information on remote devices by triggering LMP exchanges 4 Control of baseband features, for instance, timeouts 5 Retrieving status information on a module 6 Invoking Bluetooth test modules for ... containing information about those services AnL2CAP channel must be established between SDP client and server, which uses a protocolservice multiplexor reserved for SDP After the SDP information ... tooth devices; Blue-• quality of service management for higher layer protocols Trang 5L2CAP provides the following facilities needed by higher layer protocols:• Establishing links across underlying

Ngày tải lên: 14/08/2014, 12:21

... two categories of routing protocols for ad hoc networks? 9.3: What are the functions of table-driven routing protocols? 9.4: What are the functions of on-demand routing protocols? Practice problem ... Routing protocols in mobile and wireless networks Learning objectives After completing this chapter, you are able to • demonstrate an understanding of routing protocols in mobile and wireless networks; ... wireless networks; • explain table-driven routing protocols; and • explain on-demand routing protocols Trang 6180 ROUTING PROTOCOLS IN MOBILE AND WIRELESS NETWORKSPractice problems 9.1: What is an ad

Ngày tải lên: 14/08/2014, 12:21

... for modifying the switch translation table entry The messages tothe BS channel server (add entry, delete entry, delete forwarding entry, and forward) alsocontain only the necessary 3-tuples for ... ATM networks will increase significantlymore than that in the existing networks This leads to a shift in the network’s performancebottleneck from channel transmission speed (in most existing networks) ... scheme It can give better performance than the Hop-limited handoffscheme in certain cases Its performance can be adjusted by tuning the threshold at which Hop-it performs the chain routing calculation

Ngày tải lên: 14/08/2014, 12:21

... freshness is useful for time synchronization within the network NOTATION REQUIREMENTS FOR SENSOR NETWORK SECURITY In this section, we formalize the security properties required by sensor networks, and ... cryptographic primitives and the security protocols in the sensor networks ẳẳ SYSTEM ASSUMPTIONS Before we outline the security requirements and present our security infrastructure, we need to ... implementing a security subsystem for an extremely limited sensor network platform We have identied and implemented useful security protocols for sensor networks: authenticated and condential communication,...

Ngày tải lên: 14/03/2014, 22:20

... sensor nodes, sufficient memory to store cryptographic keys, and means for communicating with outside networks SPINS: SECURITY PROTOCOLS FOR SENSOR NETWORKS We have an advantage with sensor networks, ... References We designed and built a security subsystem for an extremely limited sensor network platform We have identified and implemented useful security protocols for sensor networks: authenticated and ... shows our key derivation procedure We use the SPINS: SECURITY PROTOCOLS FOR SENSOR NETWORKS 529 Table Code size breakdown (in bytes) for the security modules Version Total size MAC Encrypt Key...

Ngày tải lên: 14/03/2014, 22:20

... Cisco does not recommend deploying security technologies without an associated policy For further information about security policies and their use, consult the SANS Security Policy Project at: http://www.cisco.com/go/safe ... customers Readers interested in security best practices for smaller networks should read “SAFE: Extending the Security Blueprint to Small, Midsize, and Remote-User Networks mentioned above Following ... capability required is advanced or when performance needs require using specialized hardware (see Appendix D for information regarding integrated security blades for Layer switches versus appliances)...

Ngày tải lên: 28/03/2014, 20:20

... establishment scheme for grid key computation since the memory budget within a sensor for security information storage is limited (iii) The space consumed for storing the crypto-pairs within a sensor is ... efficient network protocols for wireless networks, ” Wireless Networks, vol 7, no 4, pp 343–358, 2001 W Ye, J Heidemann, and D Estrin, “An energy-efficient MAC protocol for wireless sensor networks, ” in ... service sensors are sacrifices and therefore worker sensors not need any predeployment knowledge for pairwise key establishment In iPAK, service sensors, with each carrying a key space, and worker sensors,...

Ngày tải lên: 22/06/2014, 22:20

... not Most current protocols for data transmission, including Aloha and TCP, use this kind of information for the rate control Current proposals for medium access protocol in sensor networks make ... the current information state to a different cell Lemma There exists a constant C such that for any π ∈ Π, there is an observation r for which π − F[π, g(π), r] ≥ , for all < ≤ C, and for any norm ... with signalling for Ad-hoc networks, ” ACM Computer Communication Review, vol 28, no 3, pp 5–26, 1998 A Woo and D Culler, “A transmission control scheme for media access in sensor networks, ” in...

Ngày tải lên: 23/06/2014, 00:20