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80 lines
4.5 KiB
Markdown
80 lines
4.5 KiB
Markdown
---
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title: "多要素認証（Multi-Factor Authentication）"
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icon: 'material/two-factor-authentication'
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description: These tools assist you with securing your internet accounts with Multi-Factor Authentication without sending your secrets to a third-party.
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cover: multi-factor-authentication.webp
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---
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<small>Protects against the following threat(s):</small>
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- [:material-target-account: Targeted Attacks](basics/common-threats.md#attacks-against-specific-individuals ""){.pg-red}
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<div class="admonition note" markdown>
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<p class="admonition-title">Hardware Keys</p>
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[Hardware security key recommendations](security-keys.md) have been moved to their own category.
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</div>
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**Multi-Factor Authentication Apps** implement a security standard adopted by the Internet Engineering Task Force (IETF) called **Time-based One-time Passwords**, or **TOTP**. This is a method where websites share a secret with you which is used by your authenticator app to generate a six (usually) digit code based on the current time, which you enter while logging in for the website to check. Typically these codes are regenerated every 30 seconds, and once a new code is generated the old one becomes useless. Even if a hacker gets one six-digit code, there is no way for them to reverse that code to get the original secret or otherwise be able to predict what any future codes might be.
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We highly recommend that you use mobile TOTP apps instead of desktop alternatives as Android and iOS have better security and app isolation than most desktop operating systems.
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## Ente Auth
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<div class="admonition recommendation" markdown>
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{ align=right }
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**Ente Auth** is a free and open-source app which stores and generates TOTP tokens. It can be used with an online account to backup and sync your tokens across your devices (and access them via a web interface) in a secure, end-to-end encrypted fashion. It can also be used offline on a single device with no account necessary.
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[:octicons-home-16: Homepage](https://ente.io/auth){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://ente.io/privacy){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://help.ente.io/auth){ .card-link title=Documentation}
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[:octicons-code-16:](https://github.com/ente-io/ente/tree/main/auth#readme){ .card-link title="Source Code" }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-googleplay: Google Play](https://play.google.com/store/apps/details?id=io.ente.auth)
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- [:simple-appstore: App Store](https://apps.apple.com/app/id6444121398)
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- [:simple-github: GitHub](https://github.com/ente-io/ente/releases?q=auth)
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- [:octicons-globe-16: Web](https://auth.ente.io)
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</details>
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</div>
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## Aegis Authenticator (Android)
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<div class="admonition recommendation" markdown>
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{ align=right }
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**Aegis Authenticator** is a free and open-source app for Android to manage your 2-step verification tokens for your online services. Aegis Authenticator operates completely offline/locally, but includes the option to export your tokens for backup unlike many alternatives.
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[:octicons-home-16: Homepage](https://getaegis.app){ .md-button .md-button--primary }
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[:octicons-eye-16:](https://getaegis.app/aegis/privacy.html){ .card-link title="Privacy Policy" }
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[:octicons-info-16:](https://github.com/beemdevelopment/Aegis/wiki){ .card-link title=Documentation}
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[:octicons-code-16:](https://github.com/beemdevelopment/Aegis){ .card-link title="Source Code" }
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[:octicons-heart-16:](https://buymeacoffee.com/beemdevelopment){ .card-link title=Contribute }
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<details class="downloads" markdown>
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<summary>Downloads</summary>
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- [:simple-googleplay: Google Play](https://play.google.com/store/apps/details?id=com.beemdevelopment.aegis)
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- [:simple-github: GitHub](https://github.com/beemdevelopment/Aegis/releases)
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</details>
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</div>
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<!-- markdownlint-disable-next-line -->
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## 規準
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**私たちは、推薦するどのプロジェクトとも提携していません。**客観的に推薦できるよう、[標準となる規準](about/criteria.md)に加えて、一連の明確な要件を定めています。 プロジェクトを利用する前に、このリストをよく理解し、ご自身で調査を行って、そのプロジェクトがあなたにとって適切な選択かどうかをご確認ください。
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- Source code must be publicly available.
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- Must not require internet connectivity.
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- Cloud syncing must be optional, and (if available) sync functionality must be E2EE.
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