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次世代の認証(WebAuthn/FIDO2)について説明を試みる

OSCA
November 09, 2018

 次世代の認証(WebAuthn/FIDO2)について説明を試みる

2018年11月09日(金) に開催された「WEBエンジニア勉強会 #10」で 、Web Authentication (WebAuthn) / FIDO2 について発表しました。

OSCA

November 09, 2018
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  1. 04$" ᖛ໺Ұೋࡾ

    !FOHJOFFS@PTDB
    ࣍ੈ୅ͷೝূʹ͍ͭͯઆ໌ΛࢼΈΔ
    8FC"VUIFOUJDBUJPO"1*'*%0
    8ΤϯδχΞษڧձ

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  2. ࣗݾ঺հ
    © OSCA
    04$"ᖛ໺Ұೋࡾ ͸·ͷ͔ͣ;Έ

    4*FS໷ܠࣸਅՈ
    * ʮ8ΤϯδχΞษڧձʯΛओ࠵
    * +BWB 1)1ܥͷ8ΤϯδχΞ
    * ਓ޻஌ೳ "*
    ͷ։ൃ΋΍ͬͯΔ
    * ݸਓͰ΋714आΓͯ8αʔϏεΛӡӦ͢Δͷ͕झຯ
    * ເͷࠃɹెาݍ಺ॅΈ
    * !FOHJOFFS@PTDB!PTDBQIPUP!EJTOFZ@PTDB

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  3. © OSCA
    ͲΜͳ͜ͱ࿩͢ͷʁ

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  4. ʮύεϫʔυೝূʯͷ՝୊Λղܾ͢Δ࣍ੈ୅ͷೝূ
    © OSCA
    ΞΧ΢ϯτ
    ύεϫʔυ
    ϩάΠϯ
    8ͷੈքʹ͓͍ͯ΋ύεϫʔυΛར༻ͨ͠ೝূʹมΘ
    Δɺ৽͍͠ೝূٕज़͕ීٴ͠͸͡ΊΑ͏ͱ͍ͯ͠·͢ɻ

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  5. ʮύεϫʔυೝূʯͷ՝୊Λղܾ͢Δ࣍ੈ୅ͷೝূ
    © OSCA
    ෼ͱ͍͏୹͍࿮ͷதͰɺ
    ʮͲΜͳ΋ͷͳͷ͔ʯͱ͍͏֓ཁΛ͓఻͍͑ͨ͠ͱࢥ͍·͢ɻ

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  6. © OSCA
    ࠓ೔࿩͢͜ͱʹؔ࿈͢Δχϡʔε

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  7. © OSCA
    ೥݄೔1VCMJDLFZ
    ύεϫʔυʹґଘ͠ͳ͍ೝূʮ8FC"VUIOʯΛ$ISPNF'JSFGPY&EHF͕࣮૷։
    ࢝ɺ8$͕ඪ४Խɻ8FC͸ύεϫʔυʹґଘ͠ͳ͍ΑΓ҆શͰศརͳ΋ͷ΁
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    l(PPHMFɺ.P[JMMBɺϚΠΫϩιϑτ͕
    ʮ8FC"VUIOʯͷ࣮૷Λ։࢝ɻ͜ΕʹΑ
    ͬͯʮ'*%0ʯͷීٴ͕ظ଴͞Εɺ8FC
    ϒϥ΢β͔Βࢦ໲ೝূ΍إೝূͳͲͰ؆
    ୯ʹ8FCαΠτ΁ͷϩάΠϯ΍ࢧ෷͍ͷ
    ঝೝͱ͍ͬͨૢ࡞͕࣮ݱ͞Εͦ͏ͩɻz

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  8. © OSCA
    ೥݄೔*5NFEJBΤϯλʔϓϥΠζ
    ʮ'JSFGPYʯެ։ɺύεϫʔυʹґଘ͠ͳ͍ೝূʮ8FC"VUIOʯΛαϙʔτ
    IUUQXXXJUNFEJBDPKQFOUFSQSJTFBSUJDMFTOFXTIUNM
    l৽͍͠ηΩϡϦςΟػೳͱͯ͠ɺύεϫ
    ʔυʹґଘ͠ͳ͍ೝূํ๏ͷʮ8FC
    "VUIFOUJDBUJPOʢ8FC"VUIOʣʯΛα
    ϙʔτͨ͠ɻz

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  9. © OSCA
    ೥݄೔;%/FU+BQBO
    ʮ(PPHMF$ISPNFʯ҆ఆ൛ϦϦʔεʮ4QFDUSFʯ؇࿨ࡦɺʮ8FC"VUIOʯର
    ԠͳͲ
    IUUQTKBQBO[EOFUDPNBSUJDMF
    l݅ͷηΩϡϦςΟमਖ਼Λࢪͨ͠΄
    ͔ɺύεϫʔυʹґଘ͠ͳ͍৽ͨͳೝূ
    ํࣜʮ8FC"VUIOʯʹσϑΥϧτͰରԠ
    ͢Δɻ தུ
    ࢦ໲΍εϚʔτϑΥϯʹอ
    ଘ͞Εͨإը૾ͷΑ͏ͳੜମೝূ৘ใɺ
    ͋Δ͍͸:VCJLFZͷೝূσόΠεͷΑ͏
    ͳ64#ϋʔυ΢ΣΞΛར༻ͯ͠΢Σϒα
    ΠτʹαΠϯΞοϓ͢ΔखஈΛఏڙ͢
    Δɻz

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  10. © OSCA
    ೥݄೔1VCMJDLFZ
    ϚΠΫϩιϑτɺ8FC"VUIOΛ&EHFʹ࣮૷ɻύεϫʔυෆཁɺੜମೝূ΍1*/Ͱ
    8FCαΠτ΁ϩάΠϯՄೳʹɻ೥ळͷ8JOEPXTΞοϓσʔτͰ
    IUUQTXXXQVCMJDLFZKQCMPHXFCBVUIOFEHFQJOXFCXJOEPXT@IUNM
    lϚΠΫϩιϑτ͸ɺ೥݄ࠒʹ༧
    ఆ͞Ε͍ͯΔ8JOEPXTͷେܕΞοϓ
    σʔτʢ34ʣʹ޲͚ͯ։ൃதͷ࠷৽Ϗ
    ϧυɺ8JOEPXTCVJMEͰɺ
    ύεϫʔυෆཁͰ8FCαΠτʹϩάΠϯ
    Ͱ͖Δඪ४࢓༷ʮ8FC"VUIOʯΛ
    .JDSPTPGU&EHFʹ࣮૷ͨ͜͠ͱΛ໌Β
    ͔ʹ͠·ͨ͠ɻz

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  11. © OSCA
    ೥݄೔1VCMJDLFZ
    $ISPNF͔Βɺ8FC"VUIOͰ.BDͷ5PVDI*%ͱ"OESPJEͷࢦ໲ೝূ͕σϑΥϧ
    τͰར༻Մೳʹɻ8FCαΠτ΁ͷϩάΠϯ΋λονͰ
    IUUQTXXXQVCMJDLFZKQCMPHDISPNF@XFCBVUIONBDUPVDIJEBOESPJEIUNM
    l(PPHMF͸݄ʹϦϦʔεͨ͠$ISPNF
    Ͱ8FC"VUIO΁ͷରԠΛߦ͍·ͨ͠
    ͕ɺ݄ʹϦϦʔε͞ΕΔ$ISPNF
    Ͱ͸࣮૷ΛਐԽͤ͞ɺσϑΥϧτͰ.BD
    ͷ5PVDI*%ͱ"OESPJEͷࢦ໲ೝূʹରԠ
    ͢Δ͜ͱΛ໌Β͔ʹ͠·ͨ͠ɻz

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  12. © OSCA
    ೥݄೔Ϡϑʔגࣜձࣾ
    Ϡϑʔɺ৽ͨͳ΢Σϒೝূͷن֨ʮ'*%0ʯͷ'*%0$FSUJGJFEʢೝఆʣΛࠃ಺ا
    ۀͰ།ҰऔಘɹύεϫʔυΛ࢖Θͳ͍҆શͳϩάΠϯ؀ڥͷ࣮ݱʹલਐ
    IUUQTBCPVUZBIPPDPKQQSSFMFBTFB
    lϠϑʔגࣜձࣾ͸ɺੜମೝূͳͲͷ࣍ੈ
    ୅ೝূͷඪ४ԽΛఏএ͢Δۀքஂମ
    '*%0ʢϑΝΠυʣΞϥΠΞϯεͷ৽ͨͳ
    ن֨ʮ'*%0ʯͷೝఆΛɺ೥݄ʹ
    ੈքͰॳΊͯ։࠵͞Εͨʮ'*%0ʯೝఆ
    ςετʹ͓͍ͯɺ͜ͷͨͼऔಘͨ͜͠ͱ
    Λ͓஌Βͤ͠·͢ɻࠃ಺اۀͰ͸།Ұͷ
    ೝఆऔಘͱͳΓ·͢ɻz

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  13. © OSCA
    ೥݄೔Ϡϑʔגࣜձࣾ
    Ϡϑʔɺ"OESPJEεϚʔτϑΥϯͷ΢Σϒϒϥ΢βʔ্ͰͷϩάΠϯ͕ࢦ໲ೝূͳ
    ͲͷੜମೝূʹରԠ
    IUUQTBCPVUZBIPPDPKQQSSFMFBTFB
    l"OESPJEεϚʔτϑΥϯͷ΢Σϒϒϥ΢
    βʔ্ʹ͓͍ͯɺϠϑʔͷαʔϏεʹࢦ
    ໲ೝূͳͲͷੜମೝূΛ࢖༻ͯ͠ϩάΠ
    ϯͰ͖ΔΑ͏ʹͳΓ·ͨ͠ɻz
    l·ͣ͸"OESPJEͷ୅දతͳ΢Σϒϒϥ΢
    βʔͰ͋Δʮ(PPHMF$ISPNFʯʹରԠ
    ͍ͨ͠·͢ɻຊػೳ͸ɺ:BIPP+"1"/
    *%ʹϩάΠϯ্ͨ͠Ͱɺੜମೝূͷઃఆ
    ʹɺ࢖༻͢Δ"OESPJEεϚʔτϑΥϯΛ
    ొ࿥͢Δ͜ͱͰར༻Ͱ͖·͢ɻz

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  14. © OSCA
    χϡʔε͔ΒಡΈऔΕΔ͜ͱ͸ʁ

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  15. ֤छϒϥ΢β͕ʮ8FC"VUIOʯʹରԠ
    © OSCA
    ೥݄೔
    'JSFGPY
    ೥݄೔
    (PPHMF$ISPNF
    ·΋ͳ͘
    .JDSPTPGU&EHF

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  16. ֤छϒϥ΢β͕ʮ8FC"VUIOʯʹରԠ
    © OSCA
    ೥݄೔
    'JSFGPY
    ೥݄೔
    (PPHMF$ISPNF
    ·΋ͳ͘
    .JDSPTPGU&EHF
    ύεϫʔυ͕ෆཁͷ
    ೝূํࣜΒ͍͠

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  17. Ϡϑʔגࣜձࣾࠃ಺།Ұͷ'*%0ೝఆऔಘ
    © OSCA

    View full-size slide

  18. © OSCA
    '*%0ΞϥΠΞϯε

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  19. '*%0ΞϥΠΞϯε
    'BTU*%FOUJUZ0OMJOF"MMJBODF
    © OSCA
    ੜମೝূΛϕʔεͱͨ͠ศརͰ҆શͳΦϯϥΠϯೝূΛ࣮ݱ
    ͢ΔͨΊʹɺ೥ʹ݁੒͞Εͨۀքஂମɻ
    <Ճໍஂମൈਮ>
    .JDSPTPGU (PPHMF "NB[PO .BTUFS$BSE 7*4"
    ෋࢜௨ υίϞ -*/& େ೔ຊҹ࡮ ָఱ ࡾඛ6'+ Ϡϑʔ

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  20. 8FC"VUIO΁ͷي੻
    © OSCA
    8$ʹ'*%0ͷ8FC"1*෦෼Λఏग़ɻ
    8$8FC"VUIFOUJDBUJPOϫʔΩϯάάϧʔϓൃ଍ɻ
    8FC"VUIFOUJDBUJPO 8FC"VUIO
    "1*קࠂީิʹɻ

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  21. © OSCA
    ࢓૊Έͷ֓ཁ

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  22. ύεϫʔυೝূͷ՝୊
    © OSCA
    ଟ͘ͷ8αΠτͰར༻͞Ε͍ͯΔʮύεϫʔυೝূʯ͸ɺ
    ࣍ͷΑ͏ͳ՝୊͕͋Γ·͢ɻ
    ✓ ͓͔֮͑ͯͳ͍ͱ͍͚ͳ͍ ֮͑ΒΕͳ͍

    ✓ ೖྗ͕໘౗͍͘͞
    ✓ ࿙Ӯ͠΍͍͢
    ✓ ࠶ར༻͕Մೳ
    རศੑ
    ҆શੑ

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  23. ύεϫʔυೝূͷ՝୊
    © OSCA
    ʮΞΧ΢ϯτʯͱʮύεϫʔυʯͷೝূͰ͸ɺωοτϫʔΫ
    தΛʮύεϫʔυʯ͕ྲྀΕͯ͠·͍ͬͯΔɻ
    tGb9T3hM!gLaThB14P
    ೝূ

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  24. ύεϫʔυೝূͷ՝୊
    © OSCA
    ΋ͬͱzศརzͰz҆શzͳ࢓૊Έ͕͋Ε͹ྑ͍ͷʹɾɾɾ

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  25. ৽͍͠ೝূͷ࢓૊Έ ֓ཁ

    © OSCA
    ➢ ύεϫʔυ େ੾ͳ΋ͷ
    ΛωοτϫʔΫதʹྲྀ͞ͳ͍ɻ
    tGb9T3hM!gLaThB14P

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  26. ৽͍͠ೝূͷ࢓૊Έ ֓ཁ

    © OSCA
    ➢ ύεϫʔυ େ੾ͳ΋ͷ
    ΛωοτϫʔΫதʹྲྀ͞ͳ͍ɻ
    ➢ ೝূ͸σόΠεଆͷzศརͳํ๏lͰߦ͏ɻ
    tGb9T3hM!gLaThB14P
    ೝূ

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  27. ৽͍͠ೝূͷ࢓૊Έ ֓ཁ

    © OSCA
    ➢ ύεϫʔυ େ੾ͳ΋ͷ
    ΛωοτϫʔΫதʹྲྀ͞ͳ͍ɻ
    ➢ ೝূ͸σόΠεଆͷzศརͳํ๏zͰߦ͏ɻ
    ➢ ೝূ݁ՌΛαʔόʔʹૹ৴͢Δɻ
    tGb9T3hM!gLaThB14P
    ೝূ݁Ռ
    ೝূ

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  28. ৽͍͠ೝূͷ࢓૊Έ ֓ཁ

    © OSCA
    ͜͜·Ͱͷઆ໌͚ͩͩͱ
    ʮೝূ݁ՌΛӕ͔ͭΕͨΒͲ͏͢ΔΜͩʁʯ
    ͱࢥ͑ͯ͠·͏͚Ͳɺͦ͜͸͔ͬ͠Γߟ͑ΒΕ͍ͯΔɻ

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  29. © OSCA
    ࢓૊Έ ৄࡉ

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  30. ొ৔͢Δ΋ͷ
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ʮೝূثʯʮϒϥ΢βʯʮαʔόʔʯ

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  31. ొ৔͢Δ΋ͷ
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ʮೝূثʯʮϒϥ΢βʯʮαʔόʔʯ
    ࢦ໲ηϯλʔ
    Χϝϥ
    64#Ωʔ
    ͳͲ

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  32. ొ৔͢Δ΋ͷ
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ʮೝূثʯʮϒϥ΢βʯʮαʔόʔʯ
    8FC"VUIOʹ
    ରԠͨ͠ϒϥ΢β

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  33. ొ৔͢Δ΋ͷ
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ೝূثͷʮൿີ伴ʯʮެ։伴ʯ ެ։伴҉߸ํࣜ

    ൿີ伴 ެ։伴

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  34. ొ৔͢Δ΋ͷ
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ೝূثͷʮൿີ伴ʯʮެ։伴ʯ ެ։伴҉߸ํࣜ

    ൿີ伴 ެ։伴
    ೝূثݻ༗ͷ
    ൿີ伴ɾެ։伴Λ࣋ͭ

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  35. ԡ͓͑ͯ͘͞΂͖ͭͷॲཧ
    © OSCA
    ೝূʹར༻͢Δೝূثͷొ࿥
    ೝূثΛར༻ͨ͠ೝূ

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  36. ೝূʹར༻͢Δೝূثͷొ࿥
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ϩάΠϯೝূͳͲͰར༻͍ͨ͠ೝূثΛɺ
    αʔϏεΛఏڙ͍ͯ͠Δαʔόʔʹొ࿥͠·͢ɻ

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  37. ೝূʹར༻͢Δೝূثͷొ࿥
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ϩάΠϯೝূͳͲͰར༻͍ͨ͠ೝূثΛɺ
    αʔϏεΛఏڙ͍ͯ͠Δαʔόʔʹొ࿥͠·͢ɻ
    ࠓޙར༻͢Δೝূث
    Λڭ͑ͯʔʂ

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  38. ೝূʹར༻͢Δೝূثͷొ࿥
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ϩάΠϯೝূͳͲͰར༻͍ͨ͠ೝূثΛɺ
    αʔϏεΛఏڙ͍ͯ͠Δαʔόʔʹొ࿥͠·͢ɻ
    ೝূث͝ͱͷॴఆͷ
    खஈͰɺϢʔβݕূ

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  39. ೝূʹར༻͢Δೝূثͷొ࿥
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ϩάΠϯೝূͳͲͰར༻͍ͨ͠ೝূثΛɺ
    αʔϏεΛఏڙ͍ͯ͠Δαʔόʔʹొ࿥͠·͢ɻ
    ൿີ伴ɾެ։伴͕ੜ
    ੒͞ΕΔ
    ൿີ伴 ެ։伴

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  40. ೝূʹར༻͢Δೝূثͷొ࿥
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ϩάΠϯೝূͳͲͰར༻͍ͨ͠ೝূثΛɺ
    αʔϏεΛఏڙ͍ͯ͠Δαʔόʔʹొ࿥͠·͢ɻ
    ެ։伴ͳͲΛؚΉ৘
    ใΛૹΓฦ͢ɻ
    ൿີ伴
    ެ։伴

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  41. ೝূʹར༻͢Δೝূثͷొ࿥
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

    ϩάΠϯೝূͳͲͰར༻͍ͨ͠ೝূثΛɺ
    αʔϏεΛఏڙ͍ͯ͠Δαʔόʔʹొ࿥͠·͢ɻ
    Ϣʔβ৘ใͱެ։伴
    Λඥ͚ͮΔɻ
    ʮྃղʂొ࿥ͨ͠ʂʯ
    ൿີ伴 ެ։伴

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  42. ೝূʹར༻͢Δೝূثͷొ࿥
    © OSCA
    ҎޙɺରʹͳΔʮൿີ伴ʯͰॺ໊͞Εͨσʔλ͸ɺ
    ొ࿥͞Εͨೝূث͔Βͷσʔλͩͱ͍͏͜ͱʹͳΔɻ
    ެ։伴҉߸ํࣜͷಛ௃ʹΑΓ

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  43. ೝূثΛར༻ͨ͠ೝূ
    © OSCA
    ϒϥ΢β
    Web Authentication API
    αʔόʔ
    ೝূث
    "VUIFOUJDBUPS

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  44. ೝূثΛར༻ͨ͠ೝূ
    © OSCA
    ϒϥ΢β
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  45. ೝূثΛར༻ͨ͠ೝূ
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    ϒϥ΢β
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  46. ೝূثΛར༻ͨ͠ೝূ
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    ϒϥ΢β
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  47. ೝূثΛར༻ͨ͠ೝূ
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    ϒϥ΢β
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  48. © OSCA
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  49. ීٴʹ޲͚ͯ
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  50. © OSCA
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  51. ·ͱΊ
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  52. ؾʹͳ͍ͬͯΔ఺
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