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Multimedia Security Topics

Avatar for Shumpei Urabe Shumpei Urabe
June 23, 2021
Technology
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Multimedia Security Topics

OWASP Sendai #48
https://owaspsendai.connpass.com/event/213819/
Avatar for Shumpei Urabe

Shumpei Urabe

June 23, 2021
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Transcript

  1. Multimedia Security Topics Speaker: Shumpei Urabe(NAXA, Inc.) OWASP Sendai #48

  2. Speaker Bio 4IVNQFJ6SBCF $&01SFTJEFOUPG/"9" *OD 'PVOEFSPG'VLVPLB7JEFP5FDI .VMUJNFEJB3FTFBSDIFS

  3. Today's 
 Outline "CPVU%3. $BUFHPSZPG%3. "CPVU5&& %FDSZQUPG%3. )BSEXBSF4FDVSJUZ *NQMFNFOU4FDVSJUZ4BOECPY VTJOH6OJLFSOFM

    $PODMVTJPO

  4. About DRM

  5. Live streaming that continues to be popular w 8JUIUIF$07*% XIBUJTDVSSFOUMZHBJOJOH

    NPNFOUVNJTPOMJOFTUSFBNJOH w /PXUIBUUIFHPWFSONFOUBOEQSFGFDUVSFTBSF GPSDJOHVTUPHPXJUIPVUBOBVEJFODF UIFPOMZXBZ UPEFMJWFSFOUFSUBJONFOUJTUISPVHIMJWFTUSFBNJOH w 4P CFIJOEUIFTDFOFTBTXFTQFBL UIFSFJTBMPUPG EJTUSJCVUJPOHPJOHPO w 5IFSFJTBDVSSFOUQSPCMFNXJUIUIJTUZQFPGPOMJOF TUSFBNJOH

  6. Video Thief

  7. No captures allowed w *UJTFBTZUPUBLFBTDSFFOTIPUPGUIFEFMJWFSZQBHF PS SFDPSECZEFTLUPQDBQUVSF BOEFWFOUVBMMZSFDPSEUIF NPOJUPSXJUIBTNBSUQIPOFDBNFSB"OEJUJTJNQPTTJCMF UPTUPQUIFNDPNQMFUFMZ

    w *GZPVXBOUUPTUPQUIFNDPNQMFUFMZ ZPVXJMMIBWFUP USBDLUIFJSNPVTFBOELFZCPBSE MJLFJO$#5FYBNT BOE ZPVXJMMBMTPIBWFUPXFBSBXFCDBNUPNPOJUPSUIFN  CVUZPVEPOUXBOUUPHPUISPVHIUIBUNVDIUSPVCMF XIFOZPVBSFFOKPZJOHXBUDIJOHUIFN SJHIU  w "TZPVDBOTFF JUJTOPUQPTTJCMFUPQSFWFOUJU DPNQMFUFMZ CVUJUJTQPTTJCMFUPNBLFJUJNQPTTJCMF XJUIPVUVTJOHBWFSZEJG fi DVMUNFUIPE

  8. It is DRM.

  9. Digital Rights Management w %3.JTBOBDSPOZNGPS%JHJUBM3JHIUT.BOBHFNFOU w %3.JTBNFDIBOJTNUIBUVTFTTPGUXBSFDPOUSPMUPQSPUFDUDPOUFOU BOE%3.JUTFMGJTOPUBUFDIOPMPHZ w 5IFSFJTBMTPBDPQZHVBSE

    ""$4 GPS%7%TBOE#MVSBZTUIBUJTTJNJMBS CVUJOBCSPBEFSTFOTF JUDBO CFTBJEUPCFBGPSNPG%3. w 5IFIJTUPSZPG%3.JTRVJUFPME XJUIDPODFQUVBMQSPQPTBMTBTFBSMZBTUIFT w 0ODFVQPOBUJNF XIFO fl BTINFNPSZBOEIBSEEJTLTXFSFOPUBWBJMBCMF NBHOFUJDUBQFTXFSFVTFEGPS SFDPSEJOH w )PXFWFS NBHOFUJDUBQFTDPVMECFFBTJMZEVQMJDBUFE BOEUIJTMFEUPSBNQBOUEVQMJDBUJPO NBLJOHJU EJG fi DVMUGPSEFWFMPQFSTUPSFDPWFSUIFJSEFWFMPQNFOUDPTUTFWFOBGUFSNBLJOHIVHFJOWFTUNFOUT w 5IFDPODFQUPG%3.XBTCPSOUPQSFWFOUUIJTGSPNIBQQFOJOH*OUIFT UIFJEFBPGFODSZQUJOHBOE QSPUFDUJOHDPOUFOUUISPVHITPGUXBSFDPOUSPMXBTQSPQPTFE w 5IJTJTXIFSFUIFIJTUPSZPG%3.CFHBO

  10. Category of DRM

  11. There are many types of DRM w 5PEBZ UIFTUSFBNJOHNFUIPEJTUIFNBJOTUSFBNNFUIPE GPSEJTUSJCVUJOHWJEFPBOEBVEJP

    BOEXJUIUIFTQSFBEPG $%/T UIFTUSFBNJOHNFUIPEJTCFJOHVTFEJOTUFBEPG EPXOMPBEJOHBTJOHMF fi MFBTJUJT TFOEJOHJUJOTNBMM QJFDFTUPGBDJMJUBUFNPSF fl FYJCMFDBDIFDPOUSPM w 0OFPGUIFBEWBOUBHFTPGUIFTUSFBNJOHNFUIPEJTUIBU UIFDMJFOUPOMZOFFETUPBDRVJSFUIFOFDFTTBSZEBUB TP UIFSFJTOPOFFEUPBDRVJSFFWFSZUIJOH5IJTNBLFTUIF BDRVJTJUJPOBOEQMBZCBDLQSPDFTTGBTUFS BOEBMTP FMJNJOBUFTUIF fl PXPGVOOFDFTTBSZUSBG fi D XIJDIIBT NBOZBEWBOUBHFTGPSCPUIUIFEFMJWFSZTJEFBOEUIF WJFXJOHTJEF

  12. HLS and MPEG-DASH w *OUIFXPSMEPGNVMUJNFEJB UIFSFBSFUXPTUSFBNJOH NFUIPET)551-JWF4USFBNJOH DPNNPOMZLOPXOBT)-4  XIJDIJTCBTFEPO)551BOEEFWFMPQFECZ"QQMF

    BOE .1&(%"4) BMTPCBTFEPO)551BOEEFWFMPQFECZ .1&( w *OHFOFSBM CPUIBSFVTFE CVU)-4JTNPSFDPNNPOMZ VTFEUIFTFEBZTNVJTBNBOJGFTU fi MFUIBUDPOUBJOT EFUBJMFEWJEFPEBUB BOEUIFQMBZFSGFUDIFTJUUPQMBZUIF WJEFP w 5IFSFBSFTFWFSBMUZQFTPGFODSZQUJPONFUIPETGPSUIJT )-4BOE%"4)

  13. HLS-AES w )-4"&4FODSZQUT)-4TFHNFOUTXJUI"&4 w 5IFLFZJOGPSNBUJPOJTDPOUBJOFEJOUIFNBOJGFTU BOE XIFOQMBZJOHUIFWJEFP UIFQMBZFSSFUSJFWFTUIFLFZ GSPNUIFLFZJOGPSNBUJPOBOEEFDSZQUTUIFTFHNFOUGPS QMBZCBDL

    w 5IFBEWBOUBHFPGUIJTJTUIBUFWFOJGZPVEPXOMPBEUIF )-4TFHNFOUBTJUJT ZPVXJMMOPUCFBCMFUPQMBZJUPO QMBZFSTTVDIBT7-$ w 5IFEJTBEWBOUBHF IPXFWFS JTUIBUUIFLFZJTWFSZFBTZ UPPCUBJO*OGBDU UIFLFZJOGPSNBUJPOJTXSJUUFOJOUIF NBOJGFTU CVUJUJTFBTZUPPCUBJOUIFLFZGSPNIFSF BOE JUDBOCFFBTJMZPCUBJOFEBOEEFDSZQUFE

  14. FairPlay w 'BJS1MBZIBTCFFOBSPVOEGPSBMPOHUJNF BOEFWFOUIF TPOHT*QVSDIBTFEPOJ5VOFTVTFEUPIBWFUIFJSBVEJP fi MFTQSPUFDUFECZ'BJS1MBZ BOEUIF*1" J04BQQMJDBUJPO FYFDVUBCMF

    EJTUSJCVUFEJOUIF"QQ4UPSFXBTBMTP QSPUFDUFECZ'BJS1MBZ w 0OFPGUIFNBJOGFBUVSFTPG'BJS1MBZJTUIBUJUJT JOUFHSBUFEJOUPUIFPQFSBUJOHTZTUFN TPUIBUUIF%3. NFDIBOJTNDBOCFJOUFHSBUFEJOUPUIFPQFSBUJOHTZTUFN UPQSFWFOUDBQUVSJOHBOENPEJ fi DBUJPOGSPNPVUTJEF w 5IFBQQMJDBUJPOPG'BJS1MBZUP)-4JT'BJS1MBZ4USFBNJOH 'BJS1MBZ4USFBNJOHPOMZTVQQPSUT)-4PS$."'

  15. Widevine w 'PMMPXJOH"QQMFTMFBE (PPHMFEFWFMPQFEBQSPUFDUJPO TZTUFNDBMMFE8JEFWJOF XIJDITVQQPSUT)-4 .1&( %"4) BOE$."' w

    8JEFWJOFJTB%3.TZTUFNPSJHJOBMMZQSPWJEFECZB DPNQBOZDBMMFE8JEFWJOF5FDIOPMPHJFT XIJDIXBT BDRVJSFECZ(PPHMFJO*UJTOPXVOEFSUIF "MQIBCFUVNCSFMMB w *UJTOPFYBHHFSBUJPOUPTBZUIBU8JEFWJOFJTUIFNPTU VTFE%3.JOUIFXPSME w 5PEBZ XJUIUIFXJEFTQSFBEVTFPG(PPHMF$ISPNFBOE UIFQPQVMBSJUZPG"OESPJETNBSUQIPOFT 8JEFWJOFJT CFJOHVTFEPOBXJEFWBSJFUZPGEFWJDFT

  16. Security Level of Widevine w 0OFPGUIFVOJRVFGFBUVSFTPG8JEFWJOFJTBDPODFQUDBMMFETFDVSJUZMFWFM5IJTTFDVSJUZMFWFMJTBTTJHOFE CBTFEPOIPXXFMMUIFQMBZCBDLEFWJDFNFFUTUIFTFDVSJUZSFRVJSFNFOUT w 5IJTTFDVSJUZMFWFMJTEFUFSNJOFEBUUIFIBSEXBSFMFWFM BOEWJFXJOHJTSFTUSJDUFECZUIFTFDVSJUZMFWFM

    w 5IFSFBSFUISFFMFWFMTPGTFDVSJUZ XJUIMFWFMCFJOHUIFTUSPOHFTU5IFOFYUTUSPOHFTUJTMFWFM  GPMMPXFECZMFWFM BOEUIFMPXFTUJTMFWFM

  17. Security Level of Widevine w "UMFWFM BMMDPOUFOUQSPDFTTJOH FODSZQUJPOBOEDPOUSPMNVTUCFQFSGPSNFEJOUIF4P$TUSVTUFE FYFDVUJPOFOWJSPONFOU UIJTJTDBMMFE5&&

    UPQSFWFOUFYUFSOBMUBNQFSJOHPSDPQZJOHPGNFEJB fi MFT'PS FYBNQMF JOUIFDBTFPG"3.QSPDFTTPST UIFSFJTBGVODUJPODBMMFE5SVTU;POF XIJDIJTB5&& w *OMFWFM UIFDPOUFOUFODSZQUJPOJUTFMGJTEPOFCZ5&& CVUUIFQMBZCBDLQSPDFTTJTOPUQFSGPSNFECZ 5&& w -FWFMBQQMJFTXIFOUIFEFWJDFEPFTOPUIBWF5&& PSXIFOJUJTQSPDFTTFEPVUTJEFUIFEFWJDF)PXFWFS  FWFOBU-FWFM JUJTOFDFTTBSZUPUBLFBQQSPQSJBUFNFBTVSFTBHBJOTUFODSZQUJPO

  18. Security Level of Widevine w 5IJTJTUIFTFDVSJUZMFWFM*GZPVEPOPUNFFUMFWFM ZPVXJMMOPUCFBCMFUPQMBZ)%PSIJHIFSRVBMJUZ*O BEEJUJPO FWFOJGUIFEFWJDFNFFUTMFWFM ZPVDBOEFDJEFXIFUIFSUPQMBZJUPSOPUPOUIFBQQMJDBUJPO

    TP ZPVNBZOPUCFBCMFUPQMBZDFSUBJOEFWJDFTVTJOHUIFCMBDLMJTUNFUIPE5IFSFBTPOGPSUIJTCMBDLMJTUJOH NFUIPEJTUIBUFWFOJGUIFBVUIFOUJDBUJPOQBTTFT 8JEFWJOFEPFTOPUHVBSBOUFFUIBUUIFEFWJDFJT DPNQMFUFMZTBGF TPUIFSFBSFDBTFTXIFSFTPNFEFWJDFTPG$IJOFTFQSPEVDUTBSFSFKFDUFE w "MTP ZPVNBZUIJOLUIBUJUJTRVJUFEJG fi DVMUGPSEFWJDFNBOVGBDUVSFSTUPPCUBJO8JEFWJOF CVUBMUIPVHI UIFSFJTBDFSUBJOBNPVOUPGUFEJPVTQSPDFTT 8JEFWJOFJUTFMGDBOCFPCUBJOFEGPSGSFF TPNBOVGBDUVSFST XIPEPOPUPCUBJO8JEFWJOFBSFMJLFMZUPIBWFTPNFTPSUPGQSPCMFN w 5IJT8JEFWJOF CVUVOMJLF"QQMF'BJS1MBZ 8JEFWJOFJUTFMGJTOPUDPNQMFUFMZJOUFHSBUFEJOUPUIF04 BOEJO UIFDBTFPG8JEFWJOFMFWFM 4%RVBMJUZDPOUFOUDBOCFQMBZFE TPJUJTOPUDPNQMFUFMZQSPUFDUFE5IJTJTB CJHEJGGFSFODF

  19. PlayReady w 1MBZ3FBEZ EFWFMPQFECZ.JDSPTPGU TVQQPSUT)-4BOE .1&(%"4) $."' BTXFMMBT8JEFWJOF BOE.JDSPTPGUT PXOGPSNBU

    .JDSPTPGU4NPPUI4USFBNJOH w 1MBZ3FBEZXBTJOUSPEVDFEJOBOEXBTDSFBUFEUP QSPUFDU8.7 8JOEPXT.FEJB7JEFP BOE8." 8JOEPXT .FEJB"VEJP  w 1MBZ3FBEZ MJLF'BJS1MBZ JTJOUFHSBUFEJOUPUIF04BOEJT UIFSFGPSFTFDVSF*UDBOBMTPCFQSFWFOUFEXJUISFTQFDU UPDBQUVSJOH FUD

  20. OPL of PlayReady w 1MBZ3FBEZ MJLF8JEFWJOF IBTUXPTFDVSJUZMFWFMT UIF fi STUPOFJTDBMMFE01-

    0VUQVU1SPUFDUJPO-FWFMT  w 5IF fi STUJTDBMMFE01- 0VUQVU1SPUFDUJPO-FWFMT "DDPSEJOHUP.JDSPTPGUTEPDVNFOUBUJPO UIFSFBSF FJHIU01-MFWFMT       BOE XJUICFJOHUIFIJHIFTUBOE CFJOHUIFMPXFTU w 5IF01-JT fi OFMZDPOUSPMMFECZUIFPVUQVUEFTUJOBUJPOPGUIFEFWJDF'PSFYBNQMF XIFOQMBZJOHDPOUFOU POBEJTQMBZUIBUEPFTOPUTVQQPSU)%$1 JUXJMMCF01-PSMBUFS BOE)%QMBZCBDLXJMMOPUCF QPTTJCMF

  21. SL of PlayReady w 4FDPOEMZ UIFSFJTBTFDVSJUZMFWFMDBMMFE4-UIFSFBSFUISFFUZQFTPG4-4- 4- BOE4- w 5IFSFBSFUISFF4-T4-

    4- BOE4-4-JTUIFMPXFTUTFDVSJUZMFWFMJO1MBZ3FBEZ4- JTUIFMPXFTUTFDVSJUZMFWFMJO1MBZ3FBEZBOETIPVMEOPUCFVTFEGPSBOZUIJOHPUIFSUIBOEFCVHHJOH w 4-JTBTPGUXBSFPOMZWFSTJPOPG%3. w 5IF4-IBOEMFT%3.JOBTFDVSFFYFDVUJPOFOWJSPONFOUTVDIBT5FF w 3FDFOUMZ UIFSFBSFNPSFBOENPSFTFSWJDFTUIBUSFRVJSF4-UPCFBCMFUPQMBZCBDL)%PSIJHIFS RVBMJUZDPOUFOU

  22. About TEE

  23. Trusted Execution Environment w "UUIFTFDVSJUZMFWFM MFUTEJWFBMJUUMFEFFQFSJOUP5&&  XIJDITUBOETGPS5SVTUFE&YFDVUJPO&OWJSPONFOU B GFBUVSFUIBUBMMPXTDSJUJDBMPQFSBUJPOTUPCFFYFDVUFE

    TBGFMZBOEJOEFQFOEFOUMZPGUIF04 w 5&&IBTCFFOJODMVEFEJOSFDFOU$16T UIFNPTUGBNPVT CFJOH*OUFM4(9 ".%4&7 BOE"3.5SVTU;POF w 5&&POMZQSPWJEFTRVBSBOUJOFFYFDVUJPO BOEUIF QMBUGPSNVTJOH5&&NVTUCFBCMFUPTFDVSFMZIPME TFOTJUJWFJOGPSNBUJPOBOEFOTVSFTBGFUZXIFOFYFDVUJOH 5&&

  24. Trusted Execution Environment w 5&&JTBOJTPMBUFEFYFDVUJPOFOWJSPONFOU CVUUIFSFBSF TFWFSBMPUIFSJTPMBUFEFYFDVUJPOGVODUJPOTCFTJEFT5&& 5IFTFBSFDBMMFE)BSEXBSF*TPMBUFE&YFDVUJPO&OWJSPONFOU )&& 

    w 5&&JTBUZQFPG)&& CVUUIF5SVTUFE1MBUGPSN.PEVMF 51. SVOTPOBTFQBSBUFDIJQUIBUJTDPNQMFUFMZ JOEFQFOEFOUPGUIF$16 w *OUIFDBTFPG51. JUQSPWJEFTLFZHFOFSBUJPO DPO fi EFOUJBM JOGPSNBUJPOTUPSBHF SBOEPNOVNCFSHFOFSBUJPO FUD BOE XPSLTXJUIGVODUJPOTTVDIBT5SVTUFE#PPUBOE#JU-PDLFS w 5&&SVOTJUTPXOPQFSBUJOHTZTUFN DBMMFE5SVTUFE04 PO XIJDIUIF5SVTUFE"QQMJDBUJPO 5" SVOT

  25. ARM TrustZone w "3.5SVTU;POFJTUIFNPTUXJEFMZVTFE5&&BOEJTVUJMJ[FE JOTNBSUQIPOFTBTXFMMBTHBNJOHEFWJDFTTVDIBTUIF /JOUFOEP4XJUDI w 5SVTU;POFIBTBMPOHIJTUPSZ IBWJOHCFFOJOUSPEVDFEJO "3.W,JO

    BOEDSFBUFTBTJOHMFJTPMBUFEFYFDVUJPO FOWJSPONFOUBUCPPUUJNF w *OUIF$PSUFY"BSDIJUFDUVSF XIJDIJTUIFNPTUVTFE 5SVTU;POFUPEBZ BMMQSJWJMFHFTBSFBWBJMBCMFJOUIF5SVTUFE 048IFOBDDFTTFECZUIFPSJHJOBM04 4FDVSF.POJUPS$BMM 4.$ JOTUSVDUJPOTBSFVTFEUPDPNNVOJDBUFXJUIJU w .BOZPGUIFGFBUVSFTPG"3.5SVTU;POFBSFJNQMFNFOUFE CZTPGUXBSF

  26. Intel SGX w *OUFM4(9 4PGUXBSF(VBSE&YFDVUJPO JTBOJTPMBUFE FYFDVUJPOGFBUVSFJOUSPEVDFEJO4LZMBLFBOEMBUFS w 8JUI4(9 UIFPOMZQSJWJMFHFBWBJMBCMFUPUIFVTFSJTUIF

    VTFSMFWFM3JOHJOUIFFYFDVUJPOFOWJSPONFOU DBMMFE &ODMBWF BOEOPUBMMQSJWJMFHFTBSFBWBJMBCMF w "MTP &ODMBWFDBOPOMZVTFBNBYJNVNPG.#PG NFNPSZTQBDF

  27. AMD SEV w ".%4&7 4FDVSF&ODSZQUFE7JSUVBMJ[BUJPO JTBOJTPMBUFE FYFDVUJPOFOWJSPONFOUJOUSPEVDFEJOUIF&1:$TFSJFT4&7 JTBWJSUVBMJ[BUJPOBXBSF5&&JOUFOEFEGPSVTFJOWJSUVBM NBDIJOFTJOUIFDMPVE w

    4&7JTBWJSUVBMJ[BUJPOBXBSF5&&UIBUJTJOUFOEFEUPCF VTFEJOWJSUVBMNBDIJOFTJOUIFDMPVE0OFPGUIFNBJO GFBUVSFTPG4&7JTUIBUJUEPFTOPUQSFQBSFBEFEJDBUFE NFNPSZBSFBGPSUIF5&& CVULFFQTUIF7.FYFDVUJPO JUTFMGTFDSFU w *OPUIFSXPSET CZNBOBHJOHUIFFODSZQUJPOPGUIF7.T NFNPSZBOEWJSUVBMEJTLT UIFIZQFSWJTPSDBOOPUQFFLBUJU w 4PGUXBSFUIBUVTFT4&7JODMVEFT3FEIBUT&OBSY

  28. TEE Case Studies w 5&&JTBMTPVTFEGPSLFZNBOBHFNFOUJOUIF%3.XFUBMLFEBCPVUFBSMJFSJO"OESPJE UIFSFJTBLFZ NBOBHFNFOUNFDIBOJTNDBMMFE,FZNBTUFS XIJDIJTJNQMFNFOUFEPOUIFQSFNJTFPG"3.5SVTU;POF w *OJ04

    TJNJMBSUP"3.5SVTU;POF UIFSFJTBTFDVSJUZQSPDFTTPSDBMMFE4FDVSF&ODMBWF XIJDIJTJOUIF"QQMF 5DIJQ w 4FDVSF&ODMBWFNBOBHFTEBUBGPS5PVDI*%BOE'BDF*% EJTLFODSZQUJPOXJUI'JMF7BVMU BOE'BJS1MBZLFZ NBOBHFNFOU5IJT4FDVSF&ODMBWFJTOPUBDDFTTJCMFGSPNUIFBQQBUBMMBOEJTVQEBUFEXJUIUIFJ04WFSTJPO

  29. Vulnerability of TEE w 5&&JTBOJTPMBUFEFYFDVUJPOGVODUJPOJOUIF$16 CVUTJODFJUEPFTOPUQIZTJDBMMZBMMPDBUFDPSFT JUJTTBJEUP IBWFNBOZWVMOFSBCJMJUJFT w 'PSFYBNQMF

    1SJNF 1SPCF XIJDIFYQMPJUTDBDIFTIBSJOH JTLOPXOUPCFFGGFDUJWFPO*OUFM4(9 BOEBO BUUBDLDBMMFE'PSF4IBEPXDBOCFDBSSJFEPVUCZDPNCJOJOHDBDIFTIBSJOHBOETQFDVMBUJWFFYFDVUJPO KVTU MJLF4QFDUSF XIJDIXBTBIJHIMZQVCMJDJ[FE$16WVMOFSBCJMJUZ w "MTP 5&&JTOPUSFTJTUBOUUP4JEF$IBOOFMBUUBDLT"TZPVDBOTFF 5&&BMTPIBTWVMOFSBCJMJUJFT BOEJUJT JNQPSUBOUUPXPSLXJUI3PPUPG5SVTUUPSFEVDFUIFSJTLBTNVDIBTQPTTJCMF

  30. Decrypt of DRM

  31. About Common-key Cryptography w %3.VTFTTZNNFUSJDLFZDSZQUPHSBQIZ XIFSFUIFLFZTVTFEGPSFODSZQUJPOBOEEFDSZQUJPOBSFUIFTBNF 4JODFTZNNFUSJDLFZDSZQUPHSBQIZDBOCFFBTJMZEFDSZQUFEJGUIFLFZJTMFBLFE JUJTJNQPSUBOUUPEJTUSJCVUF UIFLFZXJUIPVUMFBLJOHJU w

    *OBEEJUJPO QSPDFTTJOHTQFFEJTBLFZGBDUPSGPSTZNNFUSJDLFZDSZQUPHSBQIZ w 5IFSFBSFUXPUZQFTPGTZNNFUSJDLFZDJQIFSTCMPDLDJQIFSTBOETUSFBNDJQIFST

  32. Block Cipher w #MPDLDJQIFSJTBNFUIPEPGFODSZQUJOHQMBJOUFYUCZHSPVQJOHJUJOUPTFWFSBMCMPDLTPGBDFSUBJOTJ[F CMPDLT  5IFDJQIFSUFYUJTUIFTBNFTJ[FBTUIFQMBJOUFYU w 5PFODSZQUQMBJOUFYUUIBUJTMBSHFSUIBOUIFCMPDLTJ[F XFVTFXIBUJTDBMMFEFODSZQUJPONPEF

    w 4JODFCMPDLDJQIFSTBSFQSPDFTTFECZTFQBSBUJOHUIFN UIFQSPDFTTJOHMPBEJTOPUMBSHF w "TBUZQJDBMFYBNQMF "&4DJQIFSTBSFUIFNPTUDPNNPO

  33. Stream Cipher w *ODPOUSBTUUPCMPDLDJQIFST TUSFBNDJQIFSTBSFDSZQUPHSBQIJDNFUIPETUIBUTFRVFOUJBMMZQSPDFTTQMBJOUFYUJO TNBMMVOJUT w 5IFGFBUVSFPGTUSFBNDJQIFSTJTUIBUUIFZQFSGPSNFODSZQUJPOBOEEFDSZQUJPOCZUBLJOHUIFFYDMVTJWFMPHJDBM 03 903

    PGUIFQMBJOUFYUBOEUIFLFZ w $PNQBSFEUPCMPDLDJQIFST TUSFBNDJQIFSTBSFGBTUFSCVUMFTTFG fi DJFOUCFDBVTFUIFZBSFQSPDFTTFEJOTNBMMFS VOJUT TPUIFSFBSFBEWBOUBHFTBOEEJTBEWBOUBHFT w 4USFBNDJQIFSTBSFVTFEGPSFODSZQUJPOJOXJSFMFTT-"/T w 5IFTFUXPNFUIPETDBOCFVTFEUPFODSZQUTZNNFUSJDLFZDJQIFST CVUJGUIFPVUQVUSFTVMUJTUIFTBNFFBDI UJNF UIFSFJTBSJTLPGCFJOHHVFTTFEGSPNUIFSF

  34. IV w 5PQSFWFOUUIJT BO*7 *OJUJBMJ[BUJPO7FDUPS JTVTFE XIJDIJTBSBOEPNTFRVFODFPGCJUTJOTFSUFEJOCFUXFFO UPNBLFUIFEBUBIBSEFSUPEFDJQIFS DIBOHJOHUIFPVUQVUSFTVMUFBDIUJNFUPQSFWFOUHVFTTJOH w

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  35. CBR w 'JSTUPGBMM MFUTUBMLBCPVU$#$ $JQIFS#MPDL$IBJOJOH XIJDIJTBCMPDLDJQIFSTDIFNFUIBU fi STU903TXJUI *7 UIFO903TUIFQSFWJPVTDJQIFSCMPDLXJUIUIFQMBJOUFYUCMPDL

    BOETPPOVOUJMUIFFOE w 4JODF$#$JTCBTFEPOUIFQSFWJPVTCMPDL QBSBMMFMQSPDFTTJOHJTOPUQPTTJCMF BOEJGUIFCMPDLTJ[FJTOPUNFU  UIFEBUBNVTUCF fi MMFEXJUIQBEEJOH

  36. CTR w /FYU MFUTUBMLBCPVU$53 $06/5FS XIJDIBMTPVTFTBCMPDLDJQIFS CVUQSFQBSFTBDPVOUFSUIBUJODSFNFOUT CZPOF FODSZQUTJU BOE903TUIFPVUQVUDJQIFSUFYUXJUIUIFQMBJOUFYUCMPDL5IJTBMMPXTUIFCMPDLDJQIFSUP

    CFUSFBUFEBTBTUSFBNDJQIFS BOETJODFOPQBEEJOHPSPUIFSQSPDFTTJOHJTSFRVJSFE JUIBTHPPEQFSGPSNBODF BOEDBOCFFYFDVUFEJOQBSBMMFM w $53VTFTBEJTQPTBCMFSBOEPNOVNCFSDBMMFEBOPODFBTBDPVOUFS XIJDIQSFWFOUTUIFSFTVMUGSPNCFJOH fi YFE

  37. AES-128 w 5IF fi STUPOFJT"&4"TUIFOBNFTVHHFTUT UIJTFODSZQUTXJUI"&4BOEVTFTFJUIFS$#$PS$53BT UIFFODSZQUJPONPEF5IJTJTTJNQMFBOEFBTZUPVOEFSTUBOE

  38. SAMPLE-AES w /FYU MFUTUBMLBCPVU4".1-&"&44".1-&"&4FODSZQUTOPUUIFFOUJSFEBUB CVUPOMZBQBSUPGJU XIJDI TQFFETVQUIFQSPDFTTJOHBOESFEVDFTUIFMPBE w 4".1-&"&4JTBMTPDBMMFE$#$4 XIJDIVTFT$#$GPSFODSZQUJPO

  39. MPEG-CENC w /FYU MFUTUBMLBCPVU.1&($&/$ $PNNPO&ODSZQUJPO4DIFNF XIJDIJTBDPNNPOFODSZQUJPOTDIFNF EFWFMPQFECZ.1&(.1&($&/$JTBDPNNPOFODSZQUJPONFUIPEEFWFMPQFECZ.1&(

  40. About FairPlay's Work f low

  41. About FairPlay's Work f low  5IFVTFSPQFOTUIFBQQBOETUBSUTQMBZJOHUIF'BJS1MBZ4USFBNJOHDPOUFOU  "7'PVOEBUJPOQSFQBSFTUPTUBSUQMBZCBDL 

    "7'PVOEBUJPOXJMMGFUDIUIF)-4NBOJGFTU fi MFGSPNUIFTQFDJ fi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

  42. About FairPlay Streaming's Crack w )PXFWFS UIFSFJTOPUIJOHUIBUDBOCFEPOFBHBJOTUBKBJMCSFBL BMUIPVHIJUJTQPTTJCMFUPPCUBJOUIFDPOUFOU LFZTTUPSFEJOTJEFUIFEFWJDFPODFSPPUQSJWJMFHFTBSFPCUBJOFE w

    *OBEEJUJPOUPKBJMCSFBLJOH UIFSFBSFTFWFSBMPUIFSNFUIPETB1P$DBMMFE1TZDIJD1BQFSSFMFBTFEJO.BZ BMMPXTVTFSTUPPCUBJODPOUFOULFZTGPSEFWJDFTSVOOJOHJ04PSMPXFS*UVTFTBWVMOFSBCJMJUZJO UIFDPEFOBNFBOEFYUSBDUTUIFDPOUFOULFZCZVTJOHBNFUIPEUIBUDIFDLTGPSBTQFDJ fi DFOUJUMFNFOU LFZ JO BQSPDFTTDBMMFE*05BTL)BT&OUJUMFNFOUJO9/6 %BSXJO,FSOFM )PXFWFS JUJTJNQPTTJCMFGPSNPTUVTFSTUPHFU UPUIJTQPJOU TPBTBEFWFMPQFSJNQMFNFOUJOH'BJS1MBZ4USFBNJOH ZPVDBOTBGFMZJHOPSFJU3FNFNCFS  IPXFWFS UIBUQFSGFDUJPOEPFTOPUFYJTU

  43. Widevine w 8JEFWJOFJTFODSZQUFEVTJOH.1&($&/$ XIJDISFRVJSFTUIFVTFPG"&4$53BTUIFFODSZQUJPOTDIFNF w 5IFSFBSFUXPUZQFTPG8JEFWJOF 8JEFWJOF$MBTTJDGPSMFHBDZEFWJDFTBOE8JEFWJOF.PEVMBSXIJDIJTDVSSFOUMZ JOVTF w *OPSEFSUPVOEFSTUBOE8JEFWJOF

    UIFSFBSFTPNFBEEJUJPOBMUIJOHTZPVOFFEUPLOPX

  44. CDM w 'JSTU MFUTUBMLBCPVU$%. XIJDITUBOETGPS$POUFOU%FDSZQU.PEVMF UIFNPEVMFUIBUIBOEMFT8JEFWJOF5IF $%.JTCVJMUJOUPFWFSZCSPXTFS CVUUIFTPVSDFDPEFJTOPUQVCMJD w #ZUIFXBZ

    JUJTFBTZUPDIFDLJGB$%.JTQSFTFOUPSOPU'PSFYBNQMF JO(PPHMF$ISPNF USZUZQJOHDISPNF DPNQPOFOUTJOUIFBEESFTTCBSBOEQSFTTFOUFS*GZPVTFF8JEFWJOF$POUFOU%FDSZQUJPO.PEVMFJOUIFMJTU  ZPVDBOCFTVSFUIBUJUJTUIFSF w *OBEEJUJPOUP(PPHMF$ISPNF BMMNBKPSCSPXTFSTTVDIBT.P[JMMB'JSFGPYBOE.JDSPTPGU&EHFIBWFUIJT$%. *ODJEFOUBMMZ JGZPVBSFVTJOH$ISPNJVN JUNBZOPUCFJODMVEFE w 5IFSPMFPGUIF$%.JTUPSFRVFTUBMJDFOTF TUPSFUIFEFDSZQUJPOLFZTBGFMZ QSFWFOUFYUFSOBMBDDFTTUPUIF EFDSZQUFEDPOUFOU PVUQVUUIFWJEFPUPBTFDVSFPVUQVUEFWJDF BOETPPO

  45. EME w 8FIBWFFYQMBJOFEUIBUUIF$%.JTSFTQPOTJCMFGPSUIFNBJOQSPDFTTJOHPG8JEFWJOF5IF$%.JTBDUVBMMZ VQEBUFEQFSJPEJDBMMZBOEDIBOHFTGSFRVFOUMZ#FDBVTFPGUIJT JUJTOPUWFSZQSBDUJDBMUPDBMMUIF$%.GSPNUIF QMBZFS w 5PEFBMXJUIUIJT UIFSFJTBOBCTUSBDUJPOMBZFSDBMMFE&ODSZQUFE.FEJB&YUFOTJPOT &.&

    XIJDIQSPWJEFTBO "1*GPSQMBZFSTUPDPNNVOJDBUFXJUI$%. TPUIBUQMBZFSTDBOJOUFSBDUXJUI$%.CZIJUUJOHUIF&.&"1*5IF DPOUFOUPGUIJT&.&JTB+BWB4DSJQU"1* w &.&JTB8$TUBOEBSE TPJUJTWFSZFBTZUPVTF

  46. About Widevine's Work f low

  47. About Widevine's Work f low  5IFVTFSPQFOTUIFBQQBOETUBSUTQMBZJOHUIF8JEFWJOFDPOUFOU5IFBQQGFUDIFTUIF.1&(%"4)NBOJGFTU fi MF BOEQBSTFTJU*UUIFOWFSJ

    fi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

  48. About Widevine's Crack w 0OFPGUIFNPTUXFMMLOPXOWVMOFSBCJMJUJFTJO8JEFWJOFJTUIF8JEFWJOF-FWFMWVMOFSBCJMJUZEJTDPWFSFEJO +BOVBSZ*UJTEVFUPBQSPCMFNJO8*EFWJOFT"&4JNQMFNFOUBUJPOUIBUBUUFNQUTUPEFDSZQU FODSZQUFENFTTBHFTCZOBSSPXJOHEPXODBOEJEBUFTFDSFULFZTCBTFEPOUIFEJGGFSFODFCFUXFFODPSSFDUBOE FSSPOFPVTDJQIFSUFYUVTJOHBOBUUBDLDBMMFE%JGGFSFOUJBM'BVMU"OBMZTJT %'" 

    w "TNFOUJPOFEBUUIFCFHJOOJOHPGUIJTBSUJDMF 8JEFWJOF-FWFMJTQFSGPSNFEJOBMBZFSUIBUJTOPUQSPUFDUFE CZ5&&5IJTNFBOTUIBUJUJTWFSZWVMOFSBCMFUPFYUFSOBMBUUBDLT*UJTBMTPTBJEUIBUUIFTFWVMOFSBCJMJUJFTBSF OPUMJLFMZUPCF fi YFEBTUIFZBSFQSPCMFNTJOUIF8JEFWJOFTQFDJ fi DBUJPO w )PXFWFS XJUI-FWFM )%DPOUFOUDBOOPUCFQMBZFE SFTVMUJOHJOMPXSFTPMVUJPOWJEFP&WFOJGJUDPVMECF EFDSZQUFE UIFRVBMJUZXPVMECFTPQPPSUIBUJUXPVMECFFOPVHIUPXBUDI w 8JEFWJOFJTUIVTBUSJTLPGCFJOHWVMOFSBCMF)PXFWFS 8JEFWJOFBMMPXTEFWFMPQFSTUPTQFDJGZUIFUPMFSBODF MFWFM*OUIJTDBTF -FWFMXBTUBSHFUFE CVUJUJTQPTTJCMFUPBWPJEUIJTEBOHFSCZTFUUJOHPOMZ-FWFMBOE -FWFM

  49. About Widevine's Crack w *OBEEJUJPOUPUIJTWVMOFSBCJMJUZ UIFSFBSFNBOZPUIFSQSPCMFNTXJUI8JEFWJOFUIBUDBOOPUCFTPMWFECZUIF TQFDJ fi DBUJPO'PSFYBNQMF DBQUVSFQSFWFOUJPO

    w *O8JEFWJOF *NFOUJPOFEFBSMJFSUIBU$%.BMTPIBOEMFTUIFWJEFPQSPDFTTJOH CVUUFDIOJDBMMZ $%.JT SFTQPOTJCMFGPSQBTTJOHUIFEFDSZQUFESBXEBUBUPUIFWJFXFS*OPUIFSXPSET UIFQMBZCBDLJUTFMGJTOPUVOEFS UIFKVSJTEJDUJPOPG$%.5IFSFGPSF TDSFFOTIPUTBSFQPTTJCMF)PXFWFS XIFOJUDPNFTUPTDSFFODBQUVSF $%. IJUTUIF04"1* BOEXIFOZPVDBQUVSF UIFWJEFPJUTFMGJTSFDPSEFEJOCMBDL CVUUIFBVEJPDBOCFDBQUVSFEBT JT w "TZPVDBOTFF 8JEFWJOFJUTFMGJTRVJUFJNQFSGFDU5IFSFGPSF JUJTOFDFTTBSZUPJNQMFNFOUBXBZUPQSFWFOU UIFWJEFPGSPNCFJOHFYUSBDUFEPOUIFBQQMJDBUJPOTJEFJOBDDPSEBODFXJUI8JEFWJOF w 'PSFYBNQMF JOUIFDBTFPG"OESPJE JUJTQPTTJCMFUPVTF4FDVSF'MBHUPQSFWFOUTDSFFOTIPUTGSPNCFJOHUBLFO JOUIF fi STUQMBDF#ZBQQMZJOHUIFTFNFUIPET JUJTQPTTJCMFUPQSFWFOUDBQUVSFDPNQMFUFMZ)PXFWFS UIJTJT POMZGPSOBUJWFBQQMJDBUJPOT TPJUXJMMOPUXPSLGPSCSPXTFST

  50. PlayReady w 1MBZ3FBEZJTUIFMFBTUVTFEPGUIFNBKPS%3.TZTUFNT CVUJUJTBDUVBMMZVTFEJOTPNFDBTFTJO"OESPJE BOE TJODFPOMZ1MBZ3FBEZJTTVQQPSUFEGPSQMBZCBDLJO*OUFSOFU&YQMPSFS UIFSFBSFNBOZDBTFTXIFSFJUJTVTFE VOFYQFDUFEMZ w 5IJT1MBZ3FBEZXBTPSJHJOBMMZDSFBUFEJOBQMVHJOGPSWJEFPQMBZCBDLDBMMFE.JDSPTPGU4JMWFSMJHIU"MUIPVHI

    4JMWFSMJHIUJTOPMPOHFSJOVTF UIF1MBZ3FBEZNFDIBOJTNSFNBJOTBOEJTTUJMMJOVTF w 1MBZ3FBEZ IPXFWFS TVQQPSUTCPUI$53BOE$#$DJQIFSTVJUFT TPZPVDBOVTFFJUIFSPOFXJUIPVUBOZ QSPCMFNT w 0OFPGUIFNBJOGFBUVSFTPG1MBZ3FBEZJTJUTBDDPVOUUBLJOHDBQBCJMJUZ5IJTJTRVJUFTJNJMBSUPUIFDPODFQUPG "DUJWF%JSFDUPSZ XIFSFUIFSFJTBMTPBDPODFQUDBMMFEBEPNBJODPOUSPMMFS%PNBJODPOUSPMMFSTBMMPXMJDFOTFT UPCFTIBSFEBDSPTTNVMUJQMFEFWJDFT5IFSFJTBMTPBDPODFQUDBMMFEBNFUFSJOHTFSWFS XIJDIBMMPXTUIFDMJFOU TJEFUPTUPSFUIFOVNCFSPGQMBZT5IFOVNCFSPGUJNFTBWJEFPJTQMBZFEDBOCFTFOUUPUIFTFSWFS XIJDIDBO CFVTFEUPJNQMFNFOUBTZTUFNUIBUDIBSHFTGPSUIFOVNCFSPGUJNFTBWJEFPJTXBUDIFE

  51. PlayReady Work f low

  52. About PlayReady's Work f low  *OUIFDBTFPG1MBZ3FBEZ JUTUBSUTXJUIFODSZQUJOHUIFDPOUFOU'JSTU UIFQBDLBHFEDPOUFOUJTFODSZQUFE BOE

    UIFOUIFDPOUFOUJTQMBDFEJO4PSTPNFPUIFSMPDBUJPO"UUIJTQPJOU UIFMJDFOTFLFZBOEFODSZQUJPOLFZBSFTFOU UPUIFMJDFOTFTFSWFS BOEUIFEPNBJOJOGPSNBUJPOJTTFOUUPUIFEPNBJOTFSWFS  8IFOUIFBQQQMBZTUIF1MBZ3FBEZDPOUFOU JUGFUDIFTUIFNBOJGFTUBOEDIFDLTJGJUJTFODSZQUFECZ1MBZ3FBEZ*G JUJTFODSZQUFE JUTFOETUIFJOGPSNBUJPOUP1MBZ3FBEZT$%.UISPVHI&.&5IJT fl PXJTTJNJMBSUP8JEFWJOFUIF $%.DSFBUFTBMJDFOTFSFRVFTUBOEQBTTFTUIFSFRVFTUUPUIFQMBZFSTJEFUISPVHIUIF&.&5IFQMBZFSTFOETUIF MJDFOTFSFRVFTUUPUIFMJDFOTFTFSWFS5IFQMBZFSTFOETUIFMJDFOTFSFRVFTUUPUIFMJDFOTFTFSWFS XIJDIBMTPTFOET UIF,FZ*% BVOJRVFWBMVF (6*% BTTPDJBUFEXJUIFBDIQJFDFPGDPOUFOU  5IFMJDFOTFTFSWFSSFDFJWFTUIFSFRVFTUBOEVTFTUIF,FZ*%UP fi OEUIFDPSSFTQPOEJOHMJDFOTF*GUIFSFJTB DPSSFTQPOEJOHMJDFOTF JUFODSZQUTUIFLFZUPEFDSZQUUIFDPOUFOUBOEUIFMJDFOTFJOGPSNBUJPOBOETFOETJUUPUIF BQQ  5IFBQQSFDFJWFTUIFFODSZQUFESFRVFTUGSPNUIFMJDFOTFTFSWFSBOEQBTTFTJUUPUIF$%.WJB&.&  5IF$%.VTFTBIBSEXBSFDPNQPOFOUUPEFDSZQUUIFFODSZQUFESFRVFTU FYUSBDUTUIFLFZOFFEFEUPEFDSZQUUIF DPOUFOUGSPNJU BOEEFDSZQUTUIFDPOUFOU*OEPJOHTP JUBMTPQSPWJEFTUIFDMJFOUXJUIBMJDFOTFTUPSFUPTUPSFUIF EFDSZQUFELFZT

  53. Advantages of PlayReady over Widevine w 1MBZ3FBEZJTTJNJMBSUP8JEFWJOF BOEBMTPEPFTOUIBWFNBOZBEWBOUBHFTOPXUIBU.JDSPTPGU&EHFIBTCFFO $ISPNJVNJ[FE CVUJUTJOUFHSBUJPOXJUIUIF04JTWFSZTUSPOH

    BOE1MBZ3FBEZBMMPXTZPVUPEPUIJOHTMJLF QSFWFOUDBQUVSF XIJDIXBTBESBXCBDLPG8JEFWJOF XJUIPVUDIBOHJOHJU w *OGBDU /FU fl JYVTFT1MBZ3FBEZJOTUFBEPG8JEFWJOFXIFOXBUDIJOHPO.JDSPTPGU&EHF JOEJDBUJOHUIBU 1MBZ3FBEZJTNPSFTFDVSFUIBO8JEFWJOFXIFOUBSHFUJOH8JOEPXTVTFST w "MTP JOUIFDBTFPG1MBZ3FBEZ TJODFJUJTIBOEMFECZUIF8JOEPXT3VOUJNF"1* 8JO35 JUJTVMUJNBUFMZ IBOEMFECZUIF/5LFSOFM4P UIFSFJTOPOFFEUPXPSSZBCPVUCFJOHFYUSBDUFEGSPNUIFPVUTJEF

  54. Hardware Security

  55. About Android Media Services w "OESPJEIBTIBENBOZWVMOFSBCJMJUJFTJOUIFQBTU NBOZPGXIJDIBSFSFMBUFEUPNVMUJNFEJB%FDPEJOHBO BSCJUSBSZWJEFP fi MFDBODBVTFBCVGGFSPWFS

    fl PXUIBUDBOCFVTFEUPFYFDVUFBSCJUSBSZDPEF XIJDIIBTCFFOB QSPCMFN w *OSFTQPOTF (PPHMFIBTNPWFETFSWJDFTUIBUIBOEMFTPGUXBSFDPEFDTUPBDPOTUSBJOFETBOECPY TUBSUJOHXJUI "OESPJE SFMFBTFEJO w 5IJTJNQSPWFETFDVSJUZCZJTPMBUJOHUIFWBSJPVTDPNQPOFOUTJOUPBTBOECPYXIFSFUIFZDPVMEOPUSVOXJUI QSJWJMFHFT w *OUIJTDPOTUSBJOFETBOECPY QSPDFTTFTSVOXJUIJOTUSVDUJPODBMMSFTUSJDUJPOTBOEJOUIF4&-JOVYEPNBJO'PS UIFJOTUSVDUJPODBMMSFTUSJDUJPO XFVTFTFDDPNQ BGFBUVSFPGUIF-JOVY,FSOFM w *OBEEJUJPO .FEJB$PEFDBOE.FEJB&YUSBDUPS XIJDIQSFWJPVTMZSFRVJSFE04VQEBUFT DBOOPXCFQBSUJBMMZ VQEBUFE5IJTJTBQBSUJBMVQEBUFUP.FEJB$PEFDBOE.FEJB&YUSBDUPS XIJDIVTFEUPSFRVJSFBO04XJEF VQEBUFUPBEESFTTWVMOFSBCJMJUJFTJO"OESPJEBOEFBSMJFS

  56. History of Android privileges w "OESPJE2TUBOETGPS "OESPJE01GPS "OESPJE/ GPS BOE"OESPJE.GPS

    w 1SJPSUP"OESPJE NFEJBTFSWFSXBTBTJOHMFQSPDFTTGPS NFEJBIBOEMJOH XJUIPOMZ&YUSBDUPSSVOOJOHTFQBSBUFMZ w 8JUI"OESPJE UIJTIBTCFFOSFEFTJHOFEBOEFBDI QSPDFTTJTOPXTQMJUJOUPTFQBSBUFQSPDFTTFT5IJTXBTUIF fi STUUJNFUIF&YUSBDUPSXBTQMBDFEJOBDPOTUSBJOFE TBOECPY w /FYUDBNF"OESPJE XJUIFWFONPSFDPOTUSBJOUT4JODF UIFSFBSFOPDIBOHFTJO"OESPJE UIFZBSFTIPXO UPHFUIFSJOUIJT fi HVSF

  57. History of Android privileges w "OEUIFOUIFSFJT"OESPJE)FSFUIFTPGUXBSFDPEFDT IBWFCFFOTFQBSBUFEGSPN.FEJB$PEFDBOESFUVSOFEUPUIF TZTUFNTJEF)FSF 4&-JOVYBOETFDDPNQQPMJDJFTIBWF CFFOHSFBUMZTUSFOHUIFOFE

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  58. Implement Security Sandbox using Unikernel

  59. The relationship between 
 FFmpeg and Libav w ''NQFHXBTPODFTQMJUJOUPBTPGUXBSFDBMMFE-JCBWJO .BSDIEVFUPDPO

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  60. about "libav" w 5IJTMJCBWEFOPUFTBMJCSBSZJO''NQFH4QFDJ fi DBMMZ UIF DPEFDMJCSBSZMJCBWDPEFD UIFDPOUBJOFSMJCSBSZMJCBWGPSNBU 

    BOEUIF fi MUFSMJCSBSZMJCBWGPSNBUBSFDPMMFDUJWFMZDBMMFE MJCBW w #BDLUPUIFUPQJDBUIBOE ''NQFHIBTBTFUPGMJCSBSJFT DBMMFEMJCBW5IJTTFUPGMJCSBSJFTJTVTFEFWFSZXIFSF

  61. About the license of FFmpeg w )PXFWFS JUJTJNQPSUBOUUPOPUFUIBUUIFSFBSFNBOZ VOPG fi

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  62. Vulnerability of FFmpeg w 8FMM ''NQFHIBTBMPUPGWVMOFSBCJMJUJFT5IFSFBTPOXIZ UIFSFBSFTPNBOZJTUIBUUIFSFBSFNBOZUIJOHTJO''NQFH UIBUBSFOPUNBJOUBJOFE BOEBT*FYQMBJOFEFBSMJFS UIFTF

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  63. Unikernel w 6OJLFSOFMJTBCVOEMFPGTQFDJ fi DBQQMJDBUJPOQSPHSBNT B TNBMM04KVTUUPSVOUIFN BOEUIFOFDFTTBSZDPO fi HVSBUJPO

    fi MFT w "MJCSBSZCBTFE04JTPOFJOXIJDI04GVODUJPOTBSF JNQMFNFOUFEBTMJCSBSJFT BMMPXJOHBQQMJDBUJPOTUPEJSFDUMZ BDDFTTIBSEXBSFXJUIPVUFYDIBOHJOHJOGPSNBUJPOCFUXFFO VTFSTQBDFBOELFSOFMTQBDF w )PXFWFS JOPSEFSUPBDDFTTIBSEXBSF BESJWFSNVTUCF XSJUUFOGPSUIFMJCSBSZCBTFE04 XIJDIJTBIFBWZCVSEFO w 5PTPMWFUIJTQSPCMFN 6OJLFSOFMJTBUFDIOPMPHZUIBUSVOT POBWJSUVBMFOWJSPONFOU

  64. Midori w 8IFOXFUBMLBCPVU6OJLFSOFM UIFSFJTPOFUIJOHUIBUXF TIPVMEOPUGPSHFU*UJTBQSPKFDUDBMMFE4JOHVMBSJUZUIBU .JDSPTPGU3FTFBSDIVTFEUPEPSFTFBSDIBOEEFWFMPQNFOU PO w 5IF4JOHVMBSJUZQSPKFDUIBTCFFOVOEFSSFTFBSDIBOE EFWFMPQNFOUGPSNPSFUIBOZFBST

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  65. MirageOS w .JSBHF04JTBMJCSBSZPQFSBUJOHTZTUFNUIBUDPOTUSVDUT VOJLFSOFMTGPSTFDVSF IJHIQFSGPSNBODFOFUXPSL BQQMJDBUJPOTBDSPTTBWBSJFUZPGDMPVEDPNQVUJOHBOE NPCJMFQMBUGPSNT$PEFDBOCFEFWFMPQFEPOBOPSNBM04 TVDIBT-JOVYPSNBD04 BOEUIFODPNQJMFEJOUPBGVMMZ TUBOEBMPOF

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  66. MirageOS w /PXUIBUXFIBWFUBMLFEBCPVU6OJLFSOFM *XPVMEMJLFUP UBMLBCPVUIPXUPBDUVBMMZSVO6OJLFSOFM w 8IFOXFSVO6OJLFSOFM XFOFFEUPUBLFDBSFPGTFDVSJUZ *UJTJNQPSUBOUUPLFFQBDDFTTUPBNJOJNVNJOPSEFSUP SFEVDFUIFSJTLPGFYUFSOBMBUUBDLT5IFTBNFDBOCFTBJE

    GPSSVOOJOHUIF6OJLFSOFM w 5IFTBNFDBOCFTBJEGPSSVOOJOHUIF6OJLFSOFM5IFSFJTB TPGUXBSFDBMMFE4PMPUIBUQSPWJEFTBOFOWJSPONFOUUIBUJT FBTZUPSVOXIJMFLFFQJOHUIFTFUIJOHTJONJOE

  67. Solo5 w 4PMPJTUIFTPGUXBSFUIBUNFEJBUFTCFUXFFOUIF04MBZFS BOEUIFQMBUGPSNMBZFS BOECZQSPWJEJOHBDPNNPO"1* UIBUJOUFSBDUTXJUIUIF04MBZFS UIF04MBZFSJUTFMGDBOSVO XJUIPVUSFHBSEUPUIFQMBUGPSN

  68. Solo5 w 5IFSFBSFBMTPUXPNBJOQMBUGPSNMBZFSTUIBU4PMPDBO VTF w 5IF fi STUPOFJTIWU )BSEXBSF7JSUVBMJ[FE5FOEFS XIJDI

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  69. Applied research using Unikernel w *BNVTJOHUIJT6OJLFSOFMJONZSFTFBSDIUPSVOUIFBQQMJDBUJPOJNQMFNFOUFEJOMJCBWBTNFOUJPOFEFBSMJFS &WFOJGBCVGGFSPWFS fl PXPDDVSTXIFOEFDPEJOHJMMFHBMWJEFPEBUB UIFIPTUTJEFJTQSPUFDUFECZ6OJLFSOFM

     TPUIFSFJTOPOFFEUPXPSSZBCPVUEBNBHFUPUIFIPTUTJEF

  70. Applied research using Unikernel w *OBEEJUJPO UIF6OJLFSOFMJTOPXCFJOHBDUJWFMZVTFEJO*P5EFWJDFT0SJHJOBMMZ TFDVSJUZJTWFSZJNQPSUBOUGPS *P5EFWJDFTCFDBVTFUIFZDPNNVOJDBUFXJUIUIF*OUFSOFUXJUIGFXSFTPVSDFT*UJTTBJEUIBUUIFTFDVSJUZPG *P5DBOCFHVBSBOUFFECZVTJOHUIF6OJLFSOFM

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  71. Conclusion

  72. Conclustion w 5PEBZ *JOUSPEVDFEUIFUPQJDPGNVMUJNFEJBTFDVSJUZGSPNUIFQFSTQFDUJWFPGCPUITPGUXBSFBOEIBSEXBSF w *OQBSUJDVMBS *XPVMEMJLFUPUBMLBCPVUNZFGGPSUTVTJOH6OJLFSOFM XIJDIJTBQSPKFDUUIBU*IBWFCFFO XPSLJOHPOQFSTPOBMMZXJUIPVUBOZDPOOFDUJPOUPBDPNQBOZ CVUXIJDI*IPQFUPDPMMBCPSBUFXJUIWBSJPVT

    QFPQMFTPPO w *GZPVBSFJOUFSFTUFEJOUIJTQSPKFDU QMFBTFDPOUBDUNF*GZPVBSFJOUFSFTUFE QMFBTFDPOUBDUNFBOEMFUT XPSLUPHFUIFSUPDSFBUFBOJOUFSFTUJOHQSPKFDU

  73. Thank you!