[{"data":1,"prerenderedAt":116},["ShallowReactive",2],{"i-heroicons:building-office-2":3,"i-heroicons:computer-desktop":8,"i-heroicons:cloud":10,"i-heroicons:server":12,"i-heroicons:folder":14,"i-heroicons:chart-bar":16,"i-heroicons:lock-closed":18,"i-heroicons:rectangle-stack":20,"i-heroicons:scale":22,"i-heroicons:key":24,"i-heroicons:finger-print":26,"i-heroicons:cpu-chip":28,"i-heroicons:document-text":30,"i-heroicons:shield-exclamation":32,"i-heroicons:shield-check":34,"blog-ja-setup-yubikey-2fa-on-github":36,"i-heroicons:user":114},{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":7},0,24,false,"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"1.5\" d=\"M2.25 21h19.5m-18-18v18m10.5-18v18m6-13.5V21M6.75 6.75h.75m-.75 3h.75m-.75 3h.75m3-6h.75m-.75 3h.75m-.75 3h.75M6.75 21v-3.375c0-.621.504-1.125 1.125-1.125h2.25c.621 0 1.125.504 1.125 1.125V21M3 3h12m-.75 4.5H21m-3.75 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10.5a7.46 7.46 0 0 1-1.15 3.993m1.989 3.559A11.2 11.2 0 0 0 8.25 10.5a3.75 3.75 0 1 1 7.5 0q0 .79-.064 1.565M12 10.5a14.94 14.94 0 0 1-3.6 9.75m6.633-4.596a18.7 18.7 0 0 1-2.485 5.33\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":29},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"1.5\" d=\"M8.25 3v1.5M4.5 8.25H3m18 0h-1.5M4.5 12H3m18 0h-1.5m-15 3.75H3m18 0h-1.5M8.25 19.5V21M12 3v1.5m0 15V21m3.75-18v1.5m0 15V21m-9-1.5h10.5a2.25 2.25 0 0 0 2.25-2.25V6.75a2.25 2.25 0 0 0-2.25-2.25H6.75A2.25 2.25 0 0 0 4.5 6.75v10.5a2.25 2.25 0 0 0 2.25 2.25m.75-12h9v9h-9z\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":31},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"1.5\" d=\"M19.5 14.25v-2.625a3.375 3.375 0 0 0-3.375-3.375h-1.5A1.125 1.125 0 0 1 13.5 7.125v-1.5a3.375 3.375 0 0 0-3.375-3.375H8.25m0 12.75h7.5m-7.5 3H12M10.5 2.25H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 0 0-9-9\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":33},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"1.5\" d=\"M12 9v3.75m0-10.036A11.96 11.96 0 0 1 3.598 6A12 12 0 0 0 3 9.75c0 5.592 3.824 10.29 9 11.622c5.176-1.332 9-6.03 9-11.622c0-1.31-.21-2.57-.598-3.75h-.152c-3.196 0-6.1-1.25-8.25-3.286m0 13.036h.008v.008H12z\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":35},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"1.5\" d=\"M9 12.75L11.25 15L15 9.75m-3-7.036A11.96 11.96 0 0 1 3.598 6A12 12 0 0 0 3 9.749c0 5.592 3.824 10.29 9 11.623c5.176-1.332 9-6.03 9-11.622c0-1.31-.21-2.571-.598-3.751h-.152c-3.196 0-6.1-1.248-8.25-3.285\"\u002F>",{"id":37,"documentId":38,"title":39,"content":40,"slug":41,"published":42,"createdAt":43,"updatedAt":43,"publishedAt":44,"locale":45,"authorManual":46,"cover":47,"tags":98,"seo":111,"author":51},159,"pxt5eqhawzbn0klwkbzhqrgx","GitHubでYubiKeyの二要素認証を設定","\u003Cp>更新日：2022年12月7日\u003C\u002Fp>\n\u003Cp>2019年8月21日、\u003Ca href=\"https:\u002F\u002Fgithub.blog\u002F2019-08-21-github-supports-webauthn-for-security-keys\u002F\">GitHubの二要素認証がWebAuthnに対応\u003C\u002Fa>したという発表がありました。\nWebAuthnに対応したことで、セキュリティキーを用いた認証方法の他に、Windows HelloやMacOSのTouch IDなどの指紋認証も利用可能になります。\u003C\u002Fp>\n\u003Cp>今回の記事はYubiKeyの利用方法にフォーカスして書いていきたいと思います。\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>前提条件\u003C\u002Fstrong>\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Cp>・GitHubの二要素認証設定を有効にしておくこと。\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fhelp.github.com\u002Fja\u002Farticles\u002Fconfiguring-two-factor-authentication\">こちら\u003C\u002Fa>を参考に設定してください。\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>利用環境\u003C\u002Fstrong>\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Cp>・Windows 10 ver 1809\u003C\u002Fp>\n\u003Cp>Windows Hello設定済み\u003C\u002Fp>\n\u003Cp>\u003Cstrong>利用可能なYubiKey\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>・YubiKey 5 シリーズ\u003C\u002Fp>\n\u003Cp>・Security Key by Yubico シリーズ (青いYubiKey)\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fwww.yubico.com\u002Flightning-project\u002F\">・\u003C\u002Fa>\u003Ca href=\"https:\u002F\u002Fwww.yubico.com\u002Flightning-project\u002F\">YubiKey 5Ci\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>・YubiKey 4 シリーズ\u003C\u002Fp>\n\u003Cp>※YubiKey 5Ciの販売に関して、弊社では今後取り扱いを予定しております。\n　　今すぐ利用したいという方は\u003Ca href=\"https:\u002F\u002Fwww.yubico.com\u002Fstore\u002Fyubikey-5ci-security-keys\">Yubicoストア\u003C\u002Fa>からご購入ください。\u003C\u002Fp>\n\u003Cp>\u003Cstrong>ブラウザ\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>・Microsoft Edge 44.17763.1.0\n　主要ブラウザはWebAuthnに対応しています。\n　対応表は\u003Ca href=\"https:\u002F\u002Fgithub.com\u002Fapowers313\u002Ffido2-webauthn-status\">こちら\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>※iPhoneやiPadでYubiKey 5Ciを利用する場合はBraveブラウザが必要になります。\n　　詳しくは\u003Ca href=\"https:\u002F\u002Fbrave.com\u002Fpartnership-with-yubico\u002F\">こちら\u003C\u002Fa>\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>GitHubの二要素認証としてYubiKeyを設定\u003C\u002Fstrong>\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Cp>Settings>Securityにアクセス。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_1_0263b5b0b0.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>Two-factor authentication項目の「Security keys」からYubiKeyを追加します。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_2_9fc6290c26.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>Security keysの「Register new security key」ボタンをクリックします。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_3_42868e0512.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>クリックすると、セキュリティキー名の入力が表示されます。\u003C\u002Fp>\n\u003Cp>登録するYubiKeyをUSBポートに挿し込みます。\nセキュリティキー名を入力し、「Add」ボタンをクリックします。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_4_0228fca11f.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>「Add」を押すと、認証器登録の確認画面が表示されます。\n※EdgeではWindows Helloが設定されていた場合、内部認証器 → 外部認証器の順番で呼び出されるようです。\u003C\u002Fp>\n\u003Cp>今回はYubiKeyを登録するので「キャンセル」を選択します。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_5_2f8ad78766.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>キャンセル後、外部認証器の確認が求められます。\u003C\u002Fp>\n\u003Cp>YubiKeyをタップしてください。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_6_3814c65d2d.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>登録が完了すると、Security keysに情報が表示されます。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_7_5b3bc239e5.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>二要素認証の設定は以上です。\nそれでは一度サインアウトし、二要素認証を試してみましょう。\u003C\u002Fp>\n\u003Cp>ユーザー名 \u002F パスワードを入力し、サインインします。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_8_97c4b4cb2f.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>YubiKeyをUSBポートに挿し込み、\u003C\u002Fp>\n\u003Cp>「Use security key」ボタンをクリックします。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_9_10f6c54bd0.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>セキュリティキーの操作を求められます。\u003C\u002Fp>\n\u003Cp>YubiKeyをタップしてください。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_6_3814c65d2d.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>サインイン完了です！\u003C\u002Fp>\n\u003Cp>ちなみに、\nWindows Helloも登録して、サインインを試すと、どの認証器を利用するか選択できるようになります。\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_10_fcb7b4b86c.png\" alt=\"\">\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>最後に\u003C\u002Fstrong>\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Cp>ご利用のサービスに二要素認証を導入することは、セキュリティを高める上で有効な手段になります。\nYubiKeyを二要素認証に利用する場合、バックアップ用にもう一本登録しておくことをオススメしています。バックアップキーを用意しておくことで、万が一YubiKeyを紛失しても、バックアップキーで対応することが可能です。\u003C\u002Fp>\n\u003Cp>以上\u003C\u002Fp>\n","setup-yubikey-2fa-on-github","2019-08-26","2026-04-28T08:01:18.868Z","2026-04-28T08:01:21.664Z","ja","YubiOn",{"id":48,"documentId":49,"name":50,"alternativeText":51,"caption":51,"focalPoint":51,"width":52,"height":53,"formats":54,"hash":93,"ext":56,"mime":60,"size":94,"url":95,"previewUrl":51,"provider":96,"provider_metadata":51,"createdAt":97,"updatedAt":97,"publishedAt":97},1327,"itxg1iwq632lbzert3vwnmel","blog-setup-yubikey-2fa-on-github-1.png",null,1699,585,{"large":55,"small":66,"medium":75,"thumbnail":84},{"ext":56,"url":57,"etag":58,"hash":59,"mime":60,"name":61,"path":51,"size":62,"width":63,"height":64,"sizeInBytes":65},".png","https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Flarge_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0.png","3f8017b4c76e720873f0c7f0dd3dbd76","large_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0","image\u002Fpng","large_blog-setup-yubikey-2fa-on-github-1.png",49.12,1000,344,49117,{"ext":56,"url":67,"etag":68,"hash":69,"mime":60,"name":70,"path":51,"size":71,"width":72,"height":73,"sizeInBytes":74},"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fsmall_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0.png","1ef327ff7a607a6b54218d28a3d52c16","small_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0","small_blog-setup-yubikey-2fa-on-github-1.png",18.7,500,172,18699,{"ext":56,"url":76,"etag":77,"hash":78,"mime":60,"name":79,"path":51,"size":80,"width":81,"height":82,"sizeInBytes":83},"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fmedium_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0.png","bac7ff83a1974a870682c791ac578173","medium_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0","medium_blog-setup-yubikey-2fa-on-github-1.png",32.79,750,258,32793,{"ext":56,"url":85,"etag":86,"hash":87,"mime":60,"name":88,"path":51,"size":89,"width":90,"height":91,"sizeInBytes":92},"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fthumbnail_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0.png","17ff66b463569c49482f70e565f357db","thumbnail_blog_setup_yubikey_2fa_on_github_1_0263b5b0b0","thumbnail_blog-setup-yubikey-2fa-on-github-1.png",7.21,245,84,7213,"blog_setup_yubikey_2fa_on_github_1_0263b5b0b0",16.38,"https:\u002F\u002Fdty9gbw7gew16.cloudfront.net\u002Fuploads\u002Fblog_setup_yubikey_2fa_on_github_1_0263b5b0b0.png","aws-s3","2026-04-28T08:00:33.415Z",[99,105],{"id":100,"documentId":101,"name":102,"slug":51,"createdAt":103,"updatedAt":103,"publishedAt":104},12,"aire52m2y26x0uq2lb8m0nwy","FIDO","2026-04-28T01:49:06.707Z","2026-04-28T01:49:08.676Z",{"id":106,"documentId":107,"name":108,"slug":51,"createdAt":109,"updatedAt":109,"publishedAt":110},66,"sd7t0a9tqso1d8h09tbtcuu0","セキュリティキー","2026-04-28T05:38:33.209Z","2026-04-28T05:38:35.057Z",{"id":112,"metaDescription":113},393,"GitHubの二要素認証でYubiKeyを使う方法を解説。WebAuthnに対応し、より安全なセキュリティキー認証が可能になりました。設定手順をわかりやすく紹介します。",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":115},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"1.5\" d=\"M15.75 6a3.75 3.75 0 1 1-7.5 0a3.75 3.75 0 0 1 7.5 0M4.501 20.118a7.5 7.5 0 0 1 14.998 0A17.9 17.9 0 0 1 12 21.75c-2.676 0-5.216-.584-7.499-1.632\"\u002F>",1783406255262]