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    IoT Security and a proposed

    approach for securing IoT

    Md Abdullah Al Mamun

    Technical Presentation Skill

    1

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    Table of Contents

    Introduction to IPSec and IPv6

    Introuduction to IoT and Wirless Sensor Network

    Introduction to I !"#$1%$& and 6'oWP(N

    Co)pressed*'ightweight+ IPSec and It,s(pplication in IoT Security

    #

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    IPsecData integrity

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    IP/& and IP/6

    %PV& 9ostly used IPprotocol toady

    5# bit source anddestination

    (ddress

    %PV' Euture of IP

    Protocol

    1#! bit sourceand desitnationaddress

    http0..www$cisco$co).en.FS.technologies.tk6&!.tk!#.technolo

    gies7white7paper"B""aecd!"%&d5d$ht)l

    I)age source

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    IP/6 Atension ?eaderOrde

    r

    Header (ype Ne)t Header

    Code

    1 ;asic IPv6 ?eader

    # ?op4by4?op :ptions "

    &

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    IP/6 Atension ?eader IP/6 provides eAtension header for supporting IPSec

    B

    http0..www$cisco$co).en.FS.technologies.tk6&!.tk!#.technolo

    gies7white7paper"B""aecd!"%&d5d$ht)l

    I)age source

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    IoT and WSN

    (he %nternet of (hings %o(! network of globally identi=able physical obGects *or things+

    their integration with the Internet

    their representation in the virtual or digital world

    *ireless #ensor Networks *#N! technology that connects the virtual world and the physical

    world

    nodes can autono)ously co))unicate a)ong each otherand with intelligent syste)s$

    1"

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    Wireless Sensor Network

    +otes ( very low cost low power

    co)puter 9onitors one or )ore sensors (

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    I !"#$1%$&

    %Pv' over low,power PersonalArea Network '-o*PAN!

    Fsed at Network 'ayer

    %""" ./01231&I !"#$1%$& is astandard for low4powerlow data ratewireless co))unication

    between s)all devicesS)all )aAi)u)trans)ison unit*9TF+ of1# bytes

    1#

    http0..d5uifHcAlHuv@H$cloudfront$net.i)ages.stories.content.handbook

    s.protocols.ip4stack$Gpg

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    6'oWP(N

    '-o*PAN header co)pression

    )echanis) that allowsIPv6 packages to berouted in I !"#$1%$&

    Header co$pressionThe )aAi)u) physical4layer packet siHe of I !"#$1%$&packet is 1#byte and the )aAi)u) fra)e header siHe is#%byte$

    (n IPv6 packet has to =t in 1"#byte$packet headers of a IPv6 packet consu)e &!byte of theavailable 1"#byteheader co)pression )echanis)s are an essential co)ponentof the 6'oWP(N standard$

    15

    !"#$1%$& ?eader IPv6 Payload

    1# ;yte

    IPv6 ?eader Co)pression

    1"# ;yte

    References: S$

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    Need Eor IPSec Co)pression

    %"(4,'-o*PAN,HC25denes headerco$pression

    IP?C for IP headerco)pression

    N?C for the neAt headerco)pression

    In N?C unfortunatley noheader encodingsspeci=ed for (? and SPeAtension headers ofIPsec Protocol

    Eor ensuring end to endsecurity IPSec should beincluded in 6'oWP(N

    1&

    References: S$

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    6'oWP(N N?C ncoding

    1%

    1 " SPI SN 4 N?1 1

    " 1 # 5 & % 6

    1 " I2 N?1 1

    " 1 # 5 & % 6

    I20 Atension ?eader I2N?0 NeAt ?eader

    SPI0 Security Para)eter IndeA

    SN0 Se@uence Nu)ber

    ;IT

    ;IT

    6'oWP(N Atensionfor IpsecJ4 in this paperresearcher proposedN?C encoding for (? and

    SP eAtension:ut of eight possiblevalues for the Atension?eader I2*I2+ siA arespeci=ed by the ?C15draft$The re)aining twoslots *1"1 and 11"+ arecurrently reserved whichis now proposed for(?.SP Atension

    https0..www$iab$org.wp4content.I(;4uploads.#"11."5.

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    (pplication of Co)pressIPSec

    16

    The network is )ade ofT)ote sky based on a 164bits )sp&5" processorwith 1" kb

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    Conclusion

    1

    WSNs will be an integral part of theInternet of things and IPv6 and 6'oWP(N arethe protocol standards that are eApected tobe used in this conteAt

    IPsec is the standard )ethod to secureInternet co))unication and IPsec can beeAtended to sensor networks

    It is possible and feasible to use

    co)pressed IPsec to secure co))unicationbetween sensor nodes and hosts in theInternet$