introductionwe, thrive, lifestyle, invaded, objects, capable, aware, physical, context, anymore, sensing, devices, capababilities, greatly, variety, situations, smartphones, automatic, facial, recognition, driving, transitioning, constant, contact, environment, becomessmart, tremendous, data, guarantee, privacy, protected, longer, futuristic, vision, security, systems, scheduled, prepared, cooker, maker, refrigerators, ingredients, expired, examples, typical, appliances, protection, regular, resident, instance, disclosed, usually, maintain, thus, openly, managing, information, problem, advantage, future, digital, shown, consumers, personal, aspect, employ, scenarios, applications, reality, thesmart, homeis, particular, interest, openhab, automation, software, managesthingsfor, purpose, application, internet, paradigm, gaining, popularity, realistic, intelligent, calledthingi, device, basic, unit, capture, transmit, typically, node, network, remote, destination, transmission, dened, 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focus, system, functionalities, experience, non, functional, requirements, ideally, framework, evaluate, iot, established, vast, architectures, implementations, attempts, identify, threats, exist, complexity, areas, knowing, extent, howsecureopenhab, deters, concerns, instances, obscurity, reasonable, assets, freely, code, nd, effort, spared, models, including, concrete, hypothesis, analyzing, architecture, communication, processes, create, current, adopted, additionally, implementation, authentication, mechanism, despite, limitations, contributions, main, literature, challenges, presented, chapter, detailed, ne, grained, structure, divided, chapters, concepts, osgi, later, delves, briey, loosely, related, supercially, detail, methodology, tokenbased, proposal, suitable, therefore, evaluates, discusses, conclusions, obtained, research, backgroundthe, technical, recurrently, introduced, derived, various, independent, namely, computing, java, fundamental, included, quality, ability, malicious, entities, considered, modeling, flaws, design, architectural, existence, actions, represent, changing, nature, technology, difcult, causing, diverse, complex, process, transport, hascondentialitywhen, guaranteed, exposed, requested, granted, although, similar, concept, focuses, governance, ensure, allowed, viewed, component, weaker, assumption, condential, private, individuals, connection, revealed, involves, disclosure, improper, modications, ensuring, authorized, ofenforcingprotection, controlled, according, asaccess, execution, denition, conditions, components, regulated, degree, abstract, representation, computer, functions, enforce, abstraction, provided, foundation, knowledge, required, specied, establishment, execute, enforcement, needed, credentials, signatures, encryption, rewalls, etc, tamper, proof, alter, bypassable, permit, rigorous, verication, methods, requesting, resource, conrmed, veried, individual, predened, identied, approaches, password, provides, verify, matching, exists, digest, stored, biometric, unique, characteristics, ngerprints, geometry, retinal, iris, patterns, voiceprint, authenticationaphysicalobject, posseses, example, memory, electronic, mentioned, refer, type, enclosed, called, identifying, avoid, illegitimate, users, impersonating, legitimate, ease, inherently, risks, dictionary, popular, passwords, arbitrary, spelled, correctly, determine, hypertext, transfer, protocol, client, server, consists, request, response, disconnection, includesheaders, relevant, entity, serving, headers, encoding, theauthorizationheader, header, contains, authenticationinformation, within, represents, formats, thebasicandbearerare, bearer, schema, format, enclose, simplyusername, colon, username, requests, browser, automatically, prompt, encrypted, importantly, accessed, cross, site, forgery, possession, compact, contained, securely, transmitting, composed, payload, signature, includes, claims, preserve, issuer, attached, simply, details, algorithm, distinct, types, tokens, typicalbearertoken, interprets, unambiguous, enforceable, doing, reduced, leading, understanding, depending, applied, range, reliability, usability, discretionary, commonly, instatiated, using, matrix, intersection, denes, mandatory, regulations, mandated, central, authority, multilevel, contrast, distinguishes, indirect, accesses, role, naturally, organization, attribute, attributes, fulll, granular, usage, designed, heterogenous, continuous, revoked, capability, capbac, grant, architectureusually, secure, managed, supports, deployment, extensible, expose, internal, business, logic, runtime, dynamically, downloading, adding, removing, necessary, identier, version, versions, specication, equinox, apache, felix, concierge, knopersh, reference, projects, bounded, release, modular, class, modularization, comprised, conguration, les, static, deployed, le, additional, manifest, shared, imported, particularly, theexport, packageheader, import, reuse, functionality, external, thebundle, activationpolicy, informs, activated, decided, activate, preferred, initialized, executed, intermediate, downloaded, added, theinstalledstate, status, toresolvedif, problems, tostarting, theactivestate, activator, executing, printing, text, console, registering, removed, stoppingbefore, resolved, servlet, registrationa, special, extend, providing, dynamic, content, input, traditional, require, container, tomcat, jetty, published, servlets, descriptor, widely, theweb, xml, species, mapped, redirected, method, xmlle, registered, respective, perform, registration, thehttp, serviceandhttp, whiteboard, http, interface, theorg, httppackage, register, lters, namespace, available, servicetracker, object, revision, simplies, listeners, contexts, popularly, pattern, dont, us, needing, tracker, anhttpcontextobject, thehttpcontextclass, override, itshandlesecurity, exibly, connector, constrained, style, therepresentation, retrieve, update, delete, directly, translate, handy, creating, restful, actual, jersey, jboss, native, compatible, maintained, referred, wheresensingdevices, interact, asthings, heavily, vary, capabilities, identication, infrared, sensors, global, positioning, televisions, aspects, human, intervention, diversity, interoperability, common, challenge, especially, vendor, obscure, interfaces, transparently, communicate, themselves, local, scope, wireless, sensor, operate, asensor, gateways, athingneeds, relay, gateway, sufcient, clients, subsequently, scalable, ofthingsin, manageable, distributed, solution, employs, serves, medium, responsible, translations, protocols, employed, gathered, specic, categorized, grid, transportation, regardless, transmitted, considering, trivial, unify, support, naming, nding, addressed, designing, issues, solutions, proposed, alaba, et, al, development, industry, directed, performance, afterthought, nevertheless, inevitable, concern, consequence, developments, pertaining, emphasis, incorporating, product, courtesy, legal, ethical, repudiation, exception, collected, essential, safeguard, transit, layers, classied, perception, simpler, encounter, uppermost, visible, universal, standard, dependent, assmart, healthcare, andintelligent, transportationmake, endpoints, middleware, elaborate, electrical, distribution, operational, energy, meters, efcient, reliable, reduces, enhances, independence, focused, controlling, monitoring, patient, smallsensing, placed, captured, handled, constituted, multiple, quantity, manner, offered, population, technologies, include, frequency, actuators, location, movement, tracking, temperature, specialized, accomplish, vehicle, opening, networks, observe, travel, routing, decisions, queue, pollutants, trafc, congestion, basis, improvement, controllers, meanwhile, instructions, handling, sending, involved, zigbee, nodes, captures, sensory, transmits, connected, awareness, provide, mobile, scenariosdepending, intended, activities, performed, extended, domestic, scenario, isolated, resides, larger, pushed, continously, database, pervasive, expected, regarding, demanded, patients, ensured, clearance, alien, eavesdropper, latter, issue, bluetooth, rendering, useless, consider, counterfeits, assumptions, resistance, mainly, desired, insecure, hellaoui, appropriate, authenticationensuring, authentic, peer, legitimately, tampered, achieved, asymmetric, granularity, systematic, granting, revoking, engaging, ensures, contents, peers, meaningfully, symmetric, exchanging, channel, establishing, events, event, compromised, risk, forge, topic, studied, demand, similarities, conventional, impede, lossy, whereas, robust, stricter, constraints, adopt, drastically, computational, cryptography, otherlightweightalternatives, sharing, occurrence, per, coap, importance, massive, suggested, scheme, constantly, communicating, machineto, undesirable, conict, inadvertedly, authenticates, unwanted, analysis, abstracted, mitigates, 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authenticated, remotely, homekit, integrate, pairing, idevice, iphone, ipad, propietary, accessory, enable, accessories, sessions, products, mutually, anauthentication, coprocessorthat, enrolled, mfi, program, commercial, coprocessor, wi, fi, alliance, certicate, certication, december, vulnerability, valid, login, promptly, patched, followed, apology, openremote, ended, online, designer, controller, app, panel, default, enabled, tomcats, creates, integrated, thingsboard, telemetry, respect, documentation, former, administrator, congure, connections, transports, supported, systemthe, js, enforces, recognizes, laptop, congured, created, compliant, authenticators, programs, roles, varying, privilege, assigned, planned, lter, reside, assistant, python, automate, ofintranet, thingsfor, guidelines, recommendations, hosted, advice, tor, sake, preserving, command, coded, enabling, ltering, discussion, complete, strictly, relate, resembles, philosophy, servers, assumed, serious, standing, 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