EP4643463A1 - A novel channel independent interleaver - Google Patents

Abstract

In this invention, novel methods and system of channel-independent interleaver are proposed.

Description

necn rorscnaveneon, nove meos an ssem o canne-neenennereaver areroose.o seovur era seecruer are mraenas arovman eaxeesrn oa anae-nsen mue access ,s vunerae o wreess newors.eroacas naure o wrnraeesasv ceosmrmounecrsueoeroacas naure severa securreas suc a aon maes vuneraeo ssaano csons o eavesronnerna an exerna. commons vuneraeoonmemrnoan a ann exrevranae, e waveereervaear oaas secure we aa corresonnoeren users areransmesroaseers o.nn sace,vseonr mvaue sreea ams o usn a canne-aserecoer wcrovesem ccess en eavesroe nerna an exe wneren securrom ne oeran,e common sreamrna eavesroers. ansr s consruce concaenaon oeaa o a users corresonoancasrevaeo s aream usse.rs,en acne,s vsun ae on eac user seo exracer exerna ea eraeonerna eavesroers as we asne sonmveesve ras oror ano r oners. ocume-assse scaaer securs sns ear sae.ecen, secure c ns sue -asewo-user muenu sne ouu conusee eavesomromunercsa anon usseureaaanoree commmaon sream aso arca nose o an secure resource aocaon srae wasenrooese userosr uosemrarovee sum rae. rous mar, a cooerave rae-sn ecn rness omzaon. wasurernves ue, ornaroosen someror ar, eavesroern somaeernor a arocumroena,c wase creanneeroo w an exerna sne anennaemae usero oorunsca rea anorwars re-ensceoe com srmaoen me csosnaseeroe servee asrecoeors c aonnusmee-seo ea aveoscraooner s arane as w ae urseeuen meossnae oormeze oeor meaxmae user.e sum rae. ona,n someror arocumens exene -amzee secure securo smuaneous wreessnormaon anowerran se scaaer roose a rouseamormnesno maxmzee wors-caser ssems an a oe, -ase secureeamormn anowseer aoecraoromance. envesaen someror arocumenso maxmzee secure nesn were secerec caa-acsssease ons ccaannaee-ra sesecur aasaaosne an on arec o s amum nozsa ra e,oen. o secrec rae an mecansmorove securoro common anrvaear ueres no secc ome oe worsneeraureocuse onrovn secus oe user’saan . o users wenorne secur oe commonarr ooraaervaear oeaa rovaveaears uessen wnoresr,en noveeau mrees oosa c sarnucurorevs aere sercour. oseornosn cvoemnmoon annvesaon on -asssescaaer securs sns ear sae.ecen,n.e ocumennror ar sue -as some secu ewo-user muenu sne ouu e eraev ceosmrmounercsa anons useureaanaore ceommmoane s urseearms aosmoro avrecea su nmos reaeo conuse secure resource aocaon srae wasenrooseor us . rous an mar, a cooerave rae-sn ecnue, orernaarnesrs omzaon. urernvesaen a roacas canne w ano exoesrennror ar, was eavesroern someror arocumens, wereeroo a sne anennaemae usero oorunsca rea anorwars re-se srae conseree as o conusee eavesroer an a encoe common messaeo serve recoers anme-so aoc s a useu messaeore oeremae user.e sum rae. ona, eaon srae wereenon omzeo maxmzee securenormaon anoxene -ase scaaer securo smuaneous wreesso maxmzee wwerranser ssems anroose a rouseamormnesn eamormn anoorwse-case erormance. e a oe, -ase secure rae r aocaonesn werenvesaeno maxmzee secure sum sece. rec caa-acsssease ons ccaananee-r saesceur aasaaosne an on are ocam nozaseonu oe sreecresc no r saeec anc moemcea onsme woorrosvne seecuerrauroerocouse co omnmroonv ann srvaears o user’saan . o users wenorne secur oe ecurorervaear oeaa e -assse scaaer secursas ceom omnonea or oaa. secrec caacase on canne mzaon o secrec rae an mecansmo -ase aaaon an arca noseueres no secc ome oe worrosvne seecuerrauroerocouse co omnmroonv ann srevcaurearors oe usrevr’saan . o users wenorne secur oe commonar o aear oeaa reescron an ecs oen aa. eresennvenons r venon aove-menonesavaneaaees aonerovee a nnew m aevaonoaoeseos oe “ r"eenv oarnerecon emnaee snvenonocuses on sovne securssue oe co cae. ennercee nerna an exerna eaves mmonar o aarom ueoeneren srucure roers.ouervaears secure o securoe o ,envenonroose meoroves anoereve nvenonrooser nvoavee mare oosaaaor users. usnneren canrove securoro common anrvaears nroacase-aose a mea usuures ers are o e acncoewssn, s aserucauares.svenowoars.earsa are on a secc usersno e commonar weeara we receve raame-esworn an munereer aecncw ceesns aserva manaemenase s emar raeer.eo asr auouwree wrure neosns-o nrewooronsa.ruarnsmermsson eerormance avanae o as asoeenemonsrae ore,merec canne saenormaon nerms o rousness aans ecenc ,c e.ner ecenc aeransmer an user mo, secra enancemens, e , userarness, rea,ua o servceo senverae s oecuerranr,eaes, sruocac aasso nauren os wreess communcaon maes vuneraeonvenon,e meoroose a nove cann oe- enaveesernoennnerneearvnea anase ex onernae.nnerene s cormucmuurnec oaon w,oua caen neee aorere-soa sure-nocorms,aosn, aon smosorrovn secure sscosenvenons usen an wreess rnereaver ores. aroaco servn m newora uses rae sn as a mu-access suc assome examues-uusersne newor.eecncaneres cane usen man areas -n aaon an no srcnese on: -anne esmaon m aonuaon -nancerouu ane reecaon - aer manaeme mecansms -on-oroon n an seccaons -u-cea uncnacsu ann m cuoorcansaeran msmsson - , ano-rao access u-ono, cou-rao access newor -ooerave user r newor- -cenreconeaesn newors -onaar an commun asecs -assve ewncaon acaons. -- mram-reeear-we anowo-rasenc communcaons -nmanne aearvae vmemceasv-ea ceom cmouncaon -scaaer sec mmuncaons --oasnsveve m raacon ne-ur ewoer communcaonm -evceoevceommnscaon . scaesmeees,n n samowen,o orenoeroanaze m aun sues aucmcees ass seca, casesscoaura exesr mnu mue access vson mue access ase onnearreconcurren uscasn, sace eneraon wreess newor–, an non-oroona mue acces ene- nearrecoe sueroson con w successvenererencs ase on rounormaon an communcaoneorec anass, se canceaon . o-reeom reonersecven severaransms omarom aerees- enaes user messaesoe sno cerans coonm scmeonnar aos. rvaears areneenen encoenorvae sr nrvaears, aer wce encoeno common sreams suer eams wee commonars areon sreams areenrecoe a ose ono oervae sreams.e suerose se, succe nransmerome mu-anennaransmer.ne recever econ ossvee conmemreornen screea cmansc aenaoennenes arvaee s are eaamc. uesceervoers enaene r seuena e orna messaes exracnenene commonarromeeeconsruc messae an comnn coe common ouere a weecoervae messae. exerna annerren aaoa ove asvraonaeress oueoe,rosa vucansera naeuroe s oeve wrare seecssur newreasrom roacas naure o wreess communcaon maes vunerae ors.e asons o eavesronnerna an exer o severa securreas suc rvae, wereervaear oaas secure wnae. saano common an e commons vuneraeonerna an nxerna e,aveesrrovaeers s.reams oaa corresonnoeren users areransmease on e usn a canne-aserecoer wcrovesem wneren securromensav ceosnsrorucee cnonecrnaaen aanon ex oernae eaavae osr ao uesresr.s annse oroaercan,e common sreams ae on eac user seo exracer corresonnraseo a users an vuneraeonerna eavesroers as we as vae sreams.ence,s eurose oenvenonso sovee sec euxrernas eavesroers. romennercee nerna an exerna eavesue oe commonar o aa secureueoeneren srucure o , meosroers.ouervaears securoervaear oaaor users. nnvenonroves anoereve o sseemrso woseou meeoesn cann ornov conev seencuornea an cr eocrean c-omamuncaonor -ase secca,eroose meo can sov se secur souons.ore secur: eeoownroems reaeo convenona • neuwuroer nsenw worsc coens msan oaemarene-,scaserueeorno,e anneo musan anenecenraze wreess ca ancerocesses areue •nueurre nen e n oenw.orns neeo suor new wreessecnooese-acenerne, remoe surer.sowoeve,r,rea-eevcaese useown-aeesnec aomcamuonnsca areon naurao,w aen me,rocessn-resrce, anea-sensve wc maes c r- ecunues uneas rora-ase •u eor suces oecnooes. erreen ne sewcuorrs r aereu erxemeecnes.oe s euncroronv-erase servces an scenarosaave secc se se meo cannorove scenaro- •eroocsur. m e meo canrove secur wou convenona crora-ase neewoosus avone sarn,sruon, an manaemenssuesoruure • secer urros.oesceaus meeeoro caonsee mmeoemse cneoroveexe an scenaro-secc •omareoe convenona securan me usenvua oron. secur wouerane error raeoeroose meo canrove causn anncreasenee e erormance o aemae noe or we as norouu a-o-averaeower rao aeransmer.s • sacerrcoeoosweer moeeoos neraos ee nss o nn soro e a cauucsee. aossn secra ecenc, an oes no • canrove sn some oerecnues o securneeraure. • ans aeacneerreav seecrursa aaaensen exenern aan a vnareneronra ev eearvesrarmoe.erse.nce,sc eo mueessoesnoecr uor •eroos uesaeve orn seeue snecceu.ron o vew.owever,eroose moonuaesonn, oow coemr amoonca anon,r anvaev caenrse eexcenneueso.esn new canne encon, • con avenoneroose aroac,e wors norma wou an canesne neren snraucure o srucure wc meansae ae meos no canne • saers mee caonnse ar ceaseros ooe rseooro src r. acer snca eenrvnron emnvenrosn.meonsu can asoe exeneo o mu-carrer communcaon cases reover, can asoe exene •eeveraecncaroems cane so.ve eroose aroacaseen aeo esero neemws aorr wcsees canaeor aneon, an newors. auvrses errroe: onroemnerna an exerna u rrorsromr.nererence an nose. oeres owsures useoeer exane anass meoeveoe w snvenon are as uurre. e:: rreacnesmvereeresnoreroosenvenoneo. ure snoreroosenvenoneo. ure:: r reecceevveerresnoreroose evenereavereo. eeren esnoreroose smoevenereavereo. nume ceormce eo annesnsve o ssem an meos wc are sownnuresa arenvua :ransm neow. :uccessveer n_:ne nererence canceaon :nerearveearv see suuocs _:uu seuenceenceeneraor ::ueoa numer o suocs nn_:seon o-noa suocs ’_:e resereave suocs ’_:e resuuaann sream ’_:e resuan sream oaa :rvaears o sre’am oaa :rvaears _ :e resu o’_ x:ncoan common sream :enero sreams o smos, x xc::eaer comeeave moor n s sreraems o smos :s am o smos :ser :aaer ::oommmmoonar o user : nar o user :aaa v_e:: eana venna _:ranesmroeer sna o receve user __e::rraannssmmee s snnaa o o r reecceve user eaee eve user eaveroer e novesc oron oenvenon neenennereeavenrvenao snaas noeenmescer sceoe w o seecnvecn eoxnam anes wnceav ceaneneneneo on car e suec maer oenvenon.eresennv en escreneaeo enonaseen roem m eaxneroncaus a onennw ev. rneano enavsesororoverse s sencucereorev caomem sorena smre oam oransm neworsneren eaas ues arvooos s neecu mre aen rwoar cean.rove secur wou convenona crora-ase meos, oes snceeas w ov oenreae aneausrseuses a reaeesoc saaraner,evserruomon, aen ca manaemen arcuar,e esmaon an maon o canness annere nne. communcaonrocess.oreover, a can nar o a reae eroose meo oenve ne-aserecoers annerenar o . comm nons usneneren srucure o o ensure secure raame-esunca worno an mn.unereer aecncceess man as emere as aoweru non-oroonaransmsson an,eroacas naure o wraeeesmse cnom smraunecaoonr ruenureers wrereosnse neowors.ne oer as eavesron.envenons ame aro varousreas suc aansesereas vn a mecansmo secure communcaon raame-esworn an mu u nerees r an ecncceesnsereneau manaemenaress s e o rmaeereo ars w u auorewouer sua nronn-o srecroeoneas.ransmsson enaes user messaesoe sno cera wreess newors. rvaears areneene n common anrvaears, aer wce enc n encoenorvae sreams wee commonars areon sreoames arneoe cnomrmecoone sre aanmsra snusmeroesero omnoe m oervae sreams.e suerose se, successvenererence canceaon s aue-an aen enaacra unssemroer e.nane see reuceenvear eeco ornn oa mees csoamemson s erxearmacsn aneenneennee corvae sream.eceversen reconsruc messae an comnn weecoe mmonarromeecoe common exeronua aneren aerren aaoa ove asvraonaeres o rv,aes m veussnaerea.eo severa securreasrom roacas nau sueoeroacas naure o wreess newors.e asonsr oe o ea wverseeross conmmunnecranaon an ma exesern vaun.eraeo s severaa securreas suc rvae, wereervaear oaas secure we ano common an exerna eavesroers. commons vuneraeonerna an n us,ne a crvaannee s-reaasmes orecaoae cro wrresconronveosemere wn usenrs areransmease on eavesroe nerna an exerna eave eren securromen annse oroaercasane,o ae c uosmemrso ann sreams as csonr esoruceres. concaenaon oeaa o a users rvae sreams.e on eac user seo exracer corresonn eavesro nce,s vuneraeonerna eavesroers as we as exernecnueoe a near encrs ae.r usaesse mue aneunnase anuoueraensuus a wreess communcaon communcaonerormance.e mer ane receveromrove comnese snasrom mue anneaernn enascooermsr aov se snanarocueassn, reecanue, ananncreeaar aa raes.n communcaon,near enconeso maee ee se an annererence, resunn a more rous commu cs o mua encons we usen moern wreess c ncaon ssem. wnear new ommuncaon ssems suc as an aoecreor a aers re. e sseovuercraes scoeun aroacesn wreess communcaon neworsa are useo ounon: s mue users ecen: aere oern a ccmce m sacneun aroac were resources are aocaeo eac user one conrooonrs,onraansmarssocne raue,nne an:r. ass asroorac o a reoscoaurecse re asooucraceosn.ase one users' canne maxmaxummumoerouuceun:s aroac aocaes resourcesoe user we on-ermnaarcroeuu. conons,u asoeounn-:ermse aavrooarc oaees usneors acoco aun no one curren canne exen ocae resourcesar over an euureaee m oroe. r rvceoceun:s aroacaesno accoune secco rencs oeuner:en as acaroaocns a cnom anoecsa mesu resoeur sccese acuconrn. newor reuremens an consra meoso mee secc neewseor arse. somee c oocee o com scmonns u.se sceun aroacesn wreess communcaon consr eun aroaceens one secc reuremens an seman mso o nenera, e axee newor. n orero a noan vennero ereo ease avesr o me aeo arso: eo osne meenoere consereoown ssem moe. roosenereaver cane a n srucure o sroose.e a sove eroose aorem assso, sromvoes s,e ocru sru- oo ccomsmeovnes.ar oe acuaroem eascoso oerooseesnsoesn a novener aan . o commonarase onneren se everorove secur sem mo curervaearn . raonnssmere ar,we wo:-us aer ssem, were an ransmer, ase saon user,ner_ese annceen ona a wnanasveos croommeur,ncvaee. weeamae users,user an assvenerceenormaone vesroer,ve,srno users.e cann n excaneeweene ransmer ane an.ner ceanneew reeecn aronca ars osum noeosn,nes c canannee m,oe_e as sow varnae anransmer cane useo esma ,,eween_ user_ an an user_.s ee canne,_,,eweenransmer eren anneeneno,roem canene c,ann_e,,,_rom,e,eromransmerearnsmero_ usoeres e aasvoes asrsoumeeruaeoceeaacs noan reasc cannes are seccoosons. ona,s oeraon.oeae aove sseomrm maoone a caonue seca caaneneo o mveecause osassvewo-user assumo oreanwo user cases,e ro nsusor exanaon. nroosoese m meeos: neren srucureo o,nven,onaro canosee a a novee canne-neenennereavease one secure communcaon woue neeorre-soa srue-noocrms,aons, aonr smosorrovn nvenonrooseree meosa nereaver ores. or se ononesns orvae an common sreams o .u s-ecoucrn-a usseers c'aananer-omnenerna an exerna eavesroers asoows: . eve canne-neenennenerennereaver, e s.esm ooeevneea cranne-neenenenaevrere,aver sream oe resecveerec useoo . erecoersesnrre a er nac sa ue esne sruaesrem onos ceanone anen mue wervae ore secca,nearrecoersn mue-nu meer. useore conuraon o su ue-ouu ssems cane caneone usneo cannesnae nueccess .ns sousaes esaese, an cowaennn ce s a:es: nnee s canneeweeneransmer an recever receoecnn meearorec sooun mee soee:ceas.ea oe enn reeo ar crm eaa senvnoen s saoeunoerm oaaonn,e an. aroraenear suc as zero- eranearrecon meos avaae, recoorcn , reuarze zero-orcn , an mnmum mean-suare error neaormreucoene mrneec.ooer m anarxe: caennreec soaeer mnaorrmx saooun.e comuease one seece ransme oen ereacco seurcoanene.aa:s aeursescoeero mwaerrxe sveosu ane aeoeaaoe sn mroveseua oe ua es. rn secneraar ereconn ,e newor can acevemroveerormance, suc as nearrecon ccanen acso,eeeroowmerro evecenec,ua an r oeucenererence amon users. sucanne, wc canurermro e snaransme on eac nvenonroose vee overaerormance oe newor. usnnerene naouvree meosa canrove securoro common anrvaears ere arer s o srucures. eo:uee- moeco-sasenn cveannnon.ese are ase one ssem moe exaene-neenennereaveror we aove,n orero secureaa,_, o_ user’saa, •re ∈eo,re,oneooowen sesr aarnesmoowe: oneroose r sson srucure,vnaano suocsase a-evener ansmer sownnurens sea cannorove comnaonroveaeverecaau ssues ues ona aa s cuansneo oe suaaaeororn aer-eaevven ane ence,vnno suocs ans are useor su neraver. • erwar, seecn ou suocs, oc-asenereaver., enereaver seuence an usnesnoseocs asnuo a eneraor enereaverves an ouu seuence,_, sosewn onnnuures wsce aroeae nnum useer oo snuereoacves ane remsanen nu- su-ocs, as n suse ooa mer o suocs • ann an ouu s seuocs,, on uenceenereaver,ase onnus wc areen use • erewraerav,e come re rrenm snann onne s- su-ocs, conanss co ouneorcesav we scu aroecos mna_e a an newe sresa cmo,rres’_on,na •os nnon-nee rreseave suocsnn_, comner , anneu sane srremames assa aen snuero oee ran ssmrucssuoren, srvucunreoer_s unseor c reosmumaonn s arneamrva’_easrsena use are as u asenn asu anoneuornereavereneraore _ user.ne ser oe srucu ransmsson srucureor rvaears we man surea re,es areveno common an a are use as annu sne non-nereave su-ocsnn_ eses ar ornereavereneraor wooervaear.oea ence,ee s neceuere o aeese recesvesr enosuree-nereneavee seecuraa on coe correc orer. ensure.o,eses are sen ervae sr ommons cane canrove canne-ase securor eam wcsase on ana • •eeerawanr, eenc aoovne arnoce mssaorn usereoes rvee aees a r,ersuan sream o user_’, resecve,orwo usersneeneno srs , o’_ an’_, resecve, weer commonars a eams o smos, x an x, •en, encon an man oe resun are concaenaeno,. smos, an common sream soe sream o •re-con xc. x an x an suneearrm anosne onranes cmommnonr aonmrev maeu s-raenamensn oa sramos,xc an recever va a m nsmeroe •ecev u-aaean canne, r neransme sna _ user ane eavesroer as_ an_e, •e sues ccee ecc ssnve ve an, nereecreoncne cancee coamomnon sreaomeers e_ user anen an sreamase oneroose recec anecoeenene_rvae •econsrucne messaes exra ver srucurenure, common messae a cnenene commonarromeecoe • erwar,eaan s croemann weecoervae messae, suocs-usems conans corresonnooeoa numer o corresonno n ooa suocs nereave su-ocsn_ ans •snes corresono-nnenreaove n su-ocsnn_, enereaver, on-nereave su-ocsnn_ as annuor •na, usne, w seereenereaver vese seuence z, messae. uenceszorenereavne suocsoee orna evoenea cavne reeccoeveee ceo smmnoan,_are, oua sae coarnnoe aeoee orna messae oreroee orna messa an user.ssueoeaca,n nereave e,ve neesonowenusor suocevee- ueoer. useow oev ae cr,anenseeasse are sreecn usnrvae sreams wc areneren secure oreover,ueoe same reason, useorse cra.n neoncen,ervcee can enoee orna messae. corresonnemae noe wee c ac oer'saa an one eo:eve canne-neenen orrec orna messae. ure sows an aernae verson oenreoreoaver ransmers moe o se meo.ns meo,e convenona meosase on usns onrva ae sreea cmomsmoonesnsnoecre.avearr acuaer,eever ooose oceveor common r su- • su-eo rceceevveer, s orerea coem mcos. moen srrevaames.sn acree uesseeos ceasnnnereaver aeeve or on. canrove secur aans e eecoe aemae noes eo:moeve can xerna annerna eavesroers. ns meo, a common-rneva-neenennereaver roose.sroose meoeoeso nno reesunre a an ce sanmeoneeveorrroavnsmne sre scurrs aeeve.owever, mocaons ae ae smoev ucure eeas eorrovn secur. ase on oe mroeooses: •oowne s mees oo conrveesnenoenanure,. , resecve,orwo users aren ervaears , o an an x, resecve, eenen maeo sreams o smos, x on e weer commonars an are concaenaeno,, • oorovnceo seecur an moraoe uoserse sr,e aanm o s,mneoresa,v xn,e rea anmanarars oe arn corresnonen comrmvoane s srreeaamms ox sm, xosx o s wmos,e rea anmanarars •rneecaorn an ane sunerarnmsmosnnreom resuea mnu com-amnoen anrvae sreams o smos are mu-aaean canne, nnaransmeroe recever va a • •eacseev onn oeeroranossmee sna recse_ver u sserru acnure e,aveeserconer resecve, smosrs e_ user anen an succes a common sream o oeecenene_rvae sre svenererence canceaon •econsrucne messaes exracnaemn oe snmeos, common sream o smos an co commonarromeeece sm mnn w eeecervae sream sreamwo o • eras or,, s am eaocs r wecevere, rneaer aenavnmaen raera aanrsm oanearr corarressonnen comrmvon sreams o ae o •eanave, reecc s eom veno os, e sen sare,amu o s sem canonsooeee orna messae. common sream o smos.ssu aeoe annormaonrome common sream o smo eoeacae rea anmanararsne corresonnrvae sreamss a ore snmeroeasv,e w werevee ca renano an accemssanearrars oer smos anence canno accesse orna s vae sream o can aso noe mos.ueoe same reason, annernave onvenona an us ceanunonorromvaeo snecruormeor comem coomnmaorn oare w sreeam o smos. securen.erooseeecrvnaeuea cran.rove ervae sreamsmrovee secur o securoe commonar as we asurer urom aer seru acreur naewersecve, ae comonensne convenona anroose aree samenvovemen oeseococss s,uce asesnner oea avneoreersenen anene c-omneorneaveroc.ueoe ser en aso canes suc as s •em. com aorerr:sn mase oneroose secure , one oe essena ses oeroose rasnssmses son serru.cures, s wereerse useaa,n_e,srsv aeornmoe soureoocns.osoe, aneoer s sreurc we useo s eaano common anrvae sreamsase on •ne ure. roroesaever seuenceeneraor:enereaverse secon essena eemenne roose: snuve-noocn.envesnvenonase onenereaver,ree aorms are • wneereeneen con enc soceerm:, ese- u esne ecvoe, oe arn r es s ac usmeooe avses.ne con sceme seecon, eemenne userneenen.ss aunamena eane e newors, weree error eecas cause e canne can •nearrecoecve. en mueer: weenearrvareeco sreerasesneor eac userase on canne an oeer.ore secca,nearrecmo oersne m reusecev-e user anen suermose ssems cane useore con nu mue-ouu c uraon o sucannesnae nue •ecess . eacec usoenr: wecoenec an an usen .ase oneroose recever srucure, nererence canceaoncooeeeec co amnmoen sreamrs anen a successve aunamena coeenenervae sream.ss •enereaver: eaesmeen ono ae use . e corresonnenereavern eereeravears aeeransmer,e receveraso a enereaver,e seuences are reeneraease on oneerv oare samoeve.ne seuences one commonar rsen a ese •om soee correc orer oe commonaa. commonner a:nerrvaae,o eace usser snna.e neworaso comneewoars o

Claims

.r svaseemar onnerev,ereo ssreomv ce secur o commonarase onneren secure • muere w acccesss useoro ranemr smrsssn so ano srrucmure,e woreonoe rae sn suocs ano s eaano common ereeaasveno srucur anrvae sreamsase one •nerea e, -evver seuenceeneraor wcsase onenereaver, su-oceve, •nearer an smoeve, con sceceomeers w usecosr e uasce uose arssnenene con sceme seecon, weree •resecoo urs aenr anec aoernar s wucccessrovneenec, anecoee common sream e svenererence canceaonoeec anecoe • reeenn nee errn aeae nverr wvaec sresama,se one usenereaver aeransmer an s o seuencease onervaears an wcs anese •eomuennceesr w once cso cmommonnnars ooee come correc orer oe commonaa, eac userne newo mon anrvaearsoes sna. an merova oe carasnne unsenenneenr rn.ereavera canrove securoro common oown s eneaures o srucures,a comrsese • •evecnes naea nnumo seur oo scus usoecsorn s suuseoc o-aosea snuereaver, snoseocs asnuoenereaver ocs an usne • erwar, comnne suoc seuenceeneraor, resuan sreama conanss cosrreso conmnneorone mraeaeve a n suew socream as a anes corresonno non-nereave suo sn_ •sn o resuan sream as annuoe cransnn_, user an aso reeansrocessor secon useroesmses roensu sraunc surreeamor,_ •nnceoenne ann ma enecoeer arnva meaares uose srr an user, resecve,orwo users ars are concaen eams o smos, weer common •ncon an maaennoe resuan common sream, •nearre-coe, su oermeo rseesu oan ceo cmommomno snr aenamrovaee sream o smos, anransmnrome mu-anenna sreams o smos, aean canne, ransmeroe recever va a mu-a • •ecevneransme sna user an eavesroer, •eecnn a snuecone common sream e_ user, nene_ccresvsavee srneaemrerence canceaon oeec anecoee •econsrucne messa, ecoe comm es exracnenene commonarrome e_ on messae an comnn weecoervae messae • suaoncn recev sse cro, nrreerseaovnen suo-oecosa nnu_me arn o suocs-use ooa nereave su-ocsnn_ oa s corresonno non- •osrne onereeavesr c worreerseoenno naon s-rneaemrse,ave su-ocsnn_ as annu •sne seuencesonereaver vese seuence, .e meo o canneneenenereenaveneer seuaverocaso caneroev ore sneacu mressae. common anrvaears usnnereneaures o oro comrse srucures,a • se reeceoveown ses or su-ocre,v uesno or comemeocno serearmvsaeo sescuores aannnereaver aeeve ea s exerna annerna. ce mveesoro oer cs.anneneenennereavera canrove securoro coommmrosnes aneorvaears usnnereneaures o srucures,a •anoo swrenam sse os resecve,orwo users s wmeosenr ceomenmeonna,rse arer covnaceaenaares onoaae r sesuan common sream,on encoe an maeoe sream o •aom rsro oovs, ne seec cuormmoonr sroeam us oer sm ano uss wer,nee rreeaav annmae rea anmanar corresonnrv narars oer •recon ae sreams o smos, arenear an an sueenrmranossmnne rreosmuane m coumm-aonne annnarravnasem sreeramos o smos va a mu-aaean e recever •ecevn oeransme canne, •ase oneroose snas_ user an eavesroer resecve, smosrs e recever srucure,eecn a common sream o oe _ user anen an successvenererence canceaon •econescrucennenee me_ssarvae sream o smos, eece common sreames exracnenene commonarrome sream o s o smos an comnn weeecervae • o eac recemveor,s,nereavne rea anmanararsne common sream o smos we rea anmanarars oer corresonnrvae sre e s ams •comnos o,e sream o smosoee orna messae.