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Title:Protokol za overjanje in dogovor o ključu za uporabo v brezžičnih telesnih senzorskih omrežjih
Authors:Kompara, Marko (Author)
Hölbl, Marko (Mentor) More about this mentor... New window
Files:.pdf DOK_Kompara_Marko_2019.pdf (2,34 MB)
MD5: 5CFEA715F76D720D600F4C3F1A8F4625
 
Language:Slovenian
Work type:Doctoral dissertation (mb31)
Typology:2.08 - Doctoral Dissertation
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Napredek na področjih mikroelektronike, vgrajenega računalništva in brezžične komunikacije je povzročil povečanje zanimanja za telesna senzorska omrežja. Telesno senzorsko omrežje sestavljajo senzorska vozlišča, porazdeljena v neposredni bližini telesa uporabnika, na telesu ali celo v telesu uporabnika. Vozlišča zbirajo fiziološke in druge podatke o stanju telesa in jih posredujejo zmogljivejšim napravam v obdelavo. Takšna oblika omrežja predstavlja predvsem potencial v razvoju in zmanjševanju stroškov zdravstvene oskrbe. Podatki, ki se pretakajo v takšnih omrežjih, so občutljivi. Zdravstveni podatki so tudi zakonsko opredeljeni kot posebna oblika osebnih podatkov, za katere je nujna dodatna skrbnost pri njihovem varovanju. Poleg varnega hranjenja takšnih podatkov je treba zagotavljati njihovo varnost tudi med prenosom iz senzorskih naprav v druge naprave v omrežju. To varovanje je v veliki meri odvisno od protokola overjanja in vzpostavitve ključa, ki preveri istovetnost naprav v komunikaciji in vzpostavi ključ, na podlagi katerega bo nadaljnja komunikacija šifrirana. Razvoj protokola za overjanje in vzpostavitev ključa, primernega za uporabo v telesnih senzorskih omrežjih, je zaradi zahtevane ravni varovanja in strojnih omejitev velik izziv. Cilj te disertacije je razvoj lastnega protokola za overjanje in dogovor o ključu, ki bo izpolnjeval vse varnostne zahteve in bo obenem učinkovit ter primeren za uporabo v senzorskih vozliščih. V ta namen so v doktorski disertaciji zbrane varnostne lastnosti, ki bi jih varni protokoli, primerni za uporabo v telesnih senzorskih omrežjih, morali izpolnjevati, ter možni napadi, na katere bi morali biti odporni. V okviru doktorske disertacije je bil izveden pregled literature, na podlagi katere je bila razvita nova klasifikacija obstoječih protokolov vzpostavitve ključa. Ob pregledu obstoječih protokolov je bila posebna pozornost posvečena tudi analizam, ki so jih avtorji takšnih protokolov izvedli za dokazovanje varnosti in učinkovitosti predstavljenih protokolov. Iz tega je nastal seznam metod vrednotenja varnosti in učinkovitosti protokolov. Disertacija predstavi dva nova lahka protokola vzpostavitve ključa, namenjena uporabi v telesnih senzorskih omrežjih. Protokola omogočata vzpostavitev komunikacije s senzorskim vozliščem na varen in nezahteven način. V dokaz tega je za vsak protokol opravljena varnostna analiza s hevristično metodo vrednotenja varnosti in analiza učinkovitosti, ki vključuje tudi primerjavo predlaganih protokolov z obstoječimi sorodnimi protokoli.
Keywords:overjanje, vzpostavitev ključa, dogovor o ključu, telesno senzorsko omrežje, varnostni protokol
Year of publishing:2019
Publisher:[M. Kompara]
Source:Maribor
UDC:004.057.4:004.7.056.5(043.3)
COBISS_ID:22643990 New window
NUK URN:URN:SI:UM:DK:VQPRIUJX
Views:634
Downloads:106
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FERI
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:18.04.2019

Secondary language

Language:English
Title:Authentication and Key Agreement Protocol for Wireless Body Sensor Network
Abstract:Advances in the fields of microelectronics, embedded computing, and wireless communications have caused the interest in wireless body sensor networks to rise sharply. A body sensor network is constructed from sensor nodes distributed in direct vicinity, on, and even in the user’s body. The nodes collect physiological and other data about the state of the body and forward them on to more powerful devices for processing. This sort of network has wide application potential in the development and cost reduction of healthcare. Devices in such networks collect highly sensitive data. Health data is also legally recognised as a special form of personal data that require particular diligence in their protection. In addition to safely storing such data, it is also necessary to ensure their safety during transmission from sensor devices to other devices in the network. This security is highly dependent on the authentication and key establishment protocol, which verifies the identity of the devices in communication and establishes the key, with which all further communication will be encrypted. Development of a new authentication and key establishment protocol for body sensor network is a major challenge due to the required level of security and severe hardware constraints. The goal of this dissertation is the development of our own protocol for authentication and key agreement that meets all the security requirements and is also efficient and suitable for use on sensor nodes. For this purpose, the doctoral dissertation catalogues security requirements and possible attacks, which a secure protocol suitable for use in body sensor network should meet and be resistant to. A review of relevant literature was conducted, on basis of which a new classification of existing key establishment protocols was developed. When reviewing the existing protocols, special attention was paid to the analyses carried out by the authors to prove the security and effectiveness of the presented protocols. Based on this a list of all the methods for evaluating the security and effectiveness of protocols was created. The dissertation presents two new lightweight authentication and key establishment protocols for use in body sensor networks. The protocols provide a safe and efficient way to establish communication with the sensor nodes. To prove this, security analyses has been performed using an ad hoc security evaluation method, as well as efficiency analyses that include a comparison of the proposed protocols with existing similar protocols.
Keywords:authentication, key establishment, key agreement, body sensor network, security protocol


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