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次世代Web認証「パスキー」 / mo-zatsudan-passkey

次世代Web認証「パスキー」 / mo-zatsudan-passkey

モニクル社内3分LTで発表しました。技術職以外の人向けに話したので、抽象度高めにしてあります。

Yukiya Nakagawa

April 05, 2024
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  1. ΤϯδχΞͷਓ͸ͬͪ͜ಡΜͰͶ • https://goo.gle/passkeys • https:// fi doalliance.org/speci fi cations/ •

    https:// fi doalliance.org/ fi do2-2/ fi do2-web-authentication-webauthn/ • https://webauthn.io/ • https://blog.agektmr.com/2019/03/ fi do-webauthn • https://blog.agektmr.com/2022/12/passkey • https://blog.agektmr.com/2023/12/passkey-mythbusting • https:// fi rebase.uservoice.com/forums/948424-general/suggestions/46647016-support-authentication- with-passkeys • https://moneyforward-dev.jp/entry/2023/04/05/134721
  2. αʔόʔଆ ΞϓϦଆ ᶃύεϫʔυ͸ ɹɹɹɹɹɹͰ͢ "C$E&G( ϢʔβʔID: taro Ϣʔβʔ*% ύεϫʔυ Ӿཡݖݶ

    UBSP "C$E&G( ͋Γ σʔλϕʔε ᶄϩάΠϯ͍ͨ͠Ͱ͢ ᶅσʔλϕʔεΛ νΣοΫ͢ΔͶ ᶆૹ͖ͬͯͨύεϫʔυͱ σʔλϕʔεͷύεϫʔυ͕ Ұகͨ͠Α ᶇͳΔ΄Ͳ ܅͸UBSP͘Μͩ ᶈΑ͠ɺ௨Ε
  3. αʔόʔଆ IUUQTLBOFJSPKQ ϒϥ΢βଆ ᶃύεϫʔυ͸ ɹɹɹɹɹɹͰ͢ "C$E&G( ϢʔβʔID: taro Ϣʔβʔ*% ύεϫʔυ

    Ӿཡݖݶ UBSP "C$E&G( ͋Γ σʔλϕʔε ᶄϩάΠϯ͍ͨ͠Ͱ͢ ᶅσʔλϕʔεΛ νΣοΫ͢ΔͶ ᶆૹ͖ͬͯͨύεϫʔυͱ σʔλϕʔεͷύεϫʔυ͕ Ұகͨ͠Α ᶇͳΔ΄Ͳ ܅͸UBSP͘Μͩ ᶈΑ͠ɺ௨Ε Case 1: ๣ड ΢ΟϧεʹΑΔ ΩʔϘʔυೖྗͷ౪ௌ ʢύεϫʔυϚωʔδϟʔ ͰܰݮՄೳʣ ύεϫʔυΛ෇ᝦͰషͬͨ·· ελόͰ࢓ࣄͨ͠ ʢͲ͏ʹ΋ͳΒͳ͍ʣ IUUQͳ8FCαΠτ΍ ύεϫʔυͳ͠8J'JͳͲʹΑΔ ௨৴ͷ౪ௌ ʢIUUQT΍ύεϫʔυ෇͖8J'JͰରࡦՄೳʣ
  4. αʔόʔଆ IUUQTLBOFJSPKQ ϒϥ΢βଆ ᶃύεϫʔυ͸ ɹɹɹɹɹɹͰ͢ "C$E&G( ϢʔβʔID: taro Ϣʔβʔ*% ύεϫʔυ

    Ӿཡݖݶ UBSP "C$E&G( ͋Γ σʔλϕʔε ᶄϩάΠϯ͍ͨ͠Ͱ͢ ᶅσʔλϕʔεΛ νΣοΫ͢ΔͶ ᶆૹ͖ͬͯͨύεϫʔυͱ σʔλϕʔεͷύεϫʔυ͕ Ұகͨ͠Α ᶇͳΔ΄Ͳ ܅͸UBSP͘Μͩ ᶈΑ͠ɺ௨Ε Case 2: ࿙Ӯ ηΩϡϦςΟࣄނʹΑΔ ύεϫʔυͷྲྀग़ ʢϋογϡԽͱ͍͏೉ಡԽख๏ʹΑͬͯҰఆͷରॲ͸Մೳʣ ʢͰ΋೉ಡԽ͕؁͍ͱ͘Β͍͸෮ݩͰ͖ͪΌ͏͜ͱ΋ʣ
  5. αʔόʔଆ IUUQTLBOFJSKQ ϒϥ΢βଆ ᶃύεϫʔυ͸ ɹɹɹɹɹɹͰ͢ "C$E&G( ϢʔβʔID: taro ᶄϩάΠϯ͍ͨ͠Ͱ͢ ᶅόΧΊʂ

    ύεϫʔυ͸͍͍ͨͩͨʂ ωλόϥγͱ͔ ద౰ʹYahooʹඈ͹͢ͱ͔ Case 3: ࠮শ Α͘ࣅِͨαΠτʹΑΔ ϑΟογϯά࠮ٗ ʢ4.4Ͱಧ͘εύϜͱ͔Ͱ༠ಋ͞ΕΔʣ ࣅͯΔ͚Ͳ ͪΐͬͱҧ͏
  6. αΠϯΞοϓ αʔόʔଆ IUUQTLBOFJSPKQ ΞϓϦଆ ϢʔβʔID: taro ͜ΕͰΑΖ͘͠ Φοέʔ ύεΩʔ IUUQTLBOFJSPKQ

    *%OL[O!OL[OEFW ɹൿີ伴 *%OL[O!OL[OEFW ɹެ։伴 *%OL[O!OL[OEFW ɹެ։伴
  7. αΠϯΠϯ αʔόʔଆ IUUQTLBOFJSPKQ ΞϓϦଆ ϢʔβʔID: taro ᶃ ϩάΠϯ͍ͨ͠Ͱ͢ ᶄ ҉߸ԽσʔλૹΔ͔Βൿີ伴Ͱ

    ͍͍ײ͡ʹ࠶ܭࢉͯ͠ૹΓฦͯ͠ ύεΩʔ IUUQTLBOFJSPKQ *%OL[O!OL[OEFW ɹൿີ伴 *%OL[O!OL[OEFW ɹެ։伴 ᶅ ܭࢉ݁ՌΛૹΔ ᶆ ݕࢉͨ͠ΒᶄͷσʔλΛಋ͚ͨͷͰ ܅͸taro͘ΜͩͶʂ
  8. ίϯϐϡʔλؒͰڞ༗ ΫϥΠΞϯτίϯϐϡʔλʔ ύεϫʔυϚωʔδϟʔ ύεΩʔ IUUQTLBOFJSPKQ *%OL[O!OL[OEFW ɹൿີ伴 ΫϥΠΞϯτίϯϐϡʔλʔ` ύεϫʔυϚωʔδϟʔ ύεΩʔ

    IUUQTLBOFJSPKQ *%OL[O!OL[OEFW ɹൿີ伴 ύεϫʔυϚωʔδϟʔͷ ಉظઌͷΫϥ΢υ Ϋϥ΢υܦ༝Ͱ ൿີ伴͕ಉظ͞ΕΔ σόΠεؒͰൿີ伴͕ڞ༗͞ΕΔͷͰɺॴ༗͍ͯ͠ΔଞͷσόΠεͰ΋ϩάΠϯ͕༰қ
  9. ηΩϡϦςΟ্ͷϝϦοτ αʔόʔଆ IUUQTLBOFJSPKQ ΞϓϦଆ ϢʔβʔID: taro ᶃ ϩάΠϯ͍ͨ͠Ͱ͢ ᶄ ҉߸ԽσʔλૹΔ͔Βൿີ伴Ͱ

    ͍͍ײ͡ʹ࠶ܭࢉͯ͠ૹΓฦͯ͠ ύεΩʔ IUUQTLBOFJSPKQ *%OL[O!OL[OEFW ɹൿີ伴 *%OL[O!OL[OEFW ɹެ։伴 ᶅ ܭࢉ݁ՌΛૹΔ ᶆ ݕࢉͨ͠ΒᶄͷσʔλΛಋ͚ͨͷͰ ܅͸taro͘ΜͩͶʂ ύεϫʔυΛೖྗ͠ͳ͍ʢ๣डରࡦʣ ਖ਼͍͠αΠτʹ͔͠ૹ৴Ͱ͖ͳ͍ʢ࠮শରࡦʣ ਖ਼͍͠αΠτͰ͔͠ܭࢉ͕੒ޭ͠ͳ͍ʢ࠮শରࡦʣ ܭࢉ݁Ռ͚ͩݟͯ΋Θ͚͕Θ͔Βͳ͍ʢ๣डରࡦʣ ࿙Ӯͯ͠΋ൿີ伴͕ͳ͍ͷͰ Կ΋Ͱ͖ͳ͍ʢ࿙Ӯରࡦʣ