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@GrapheneOS

GrapheneOS

Security and privacy focused mobile OS with Android app compatibility. We focus on developing substantial privacy and security improvements.

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  1. platform_manifest Public

    Repo manifest for the GrapheneOS mobile privacy and security hardening project.

    346 110

  2. hardened_malloc Public

    Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platfo…

    C 1.4k 101

  3. os-issue-tracker Public

    Issue tracker for GrapheneOS Android Open Source Project hardening work. Standalone projects like Auditor, AttestationServer and hardened_malloc have their own dedicated trackers.

    396 20

  4. Auditor Public

    Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verificati…

    Java 519 86

  5. AttestationServer Public

    attestation.app remote attestation server. Server code for use with the Auditor app: https://github.com/GrapheneOS/Auditor. It provides two services: submission of attestation data samples and a re…

    Java 113 46

  6. platform_bionic Public

    Hardened Android standard C library. Some of the past hardening has not yet been ported from Marshmallow, Nougat and Oreo to this Android Pie repository. Most is available via archived tags in http…

    Assembly 102 34

Repositories

Showing 10 of 177 repositories
  • AttestationServer Public

    attestation.app remote attestation server. Server code for use with the Auditor app: https://github.com/GrapheneOS/Auditor. It provides two services: submission of attestation data samples and a remote attestation implementation with email alerts to go along with the local implementation based on QR code scanning in the app.

    Java 113 MIT 46 14 6 Updated Mar 24, 2025
  • platform_packages_apps_CarrierConfig2 Public
    Java 5 MIT 2 0 0 Updated Mar 24, 2025
  • platform_packages_apps_NetworkLocation Public
    Kotlin 11 MIT 2 0 0 Updated Mar 24, 2025
  • platform_packages_apps_SetupWizard2 Public
    Kotlin 5 MIT 10 10 2 Updated Mar 23, 2025
  • grapheneos.network Public

    Servers for HTTP/HTTPS connectivity checks, HTTPS network time, NTP (for Qualcomm XTRA), Broadcom PSDS cache, Samsung PSDS cache, Qualcomm PSDS (XTRA) cache, SUPL proxy, attestation key provisioning proxy and Vanadium component update check/download proxy. It also has a network location proxy and geocoding proxy for future use.

    Shell 13 MIT 7 0 0 Updated Mar 23, 2025
  • grapheneos.org Public

    Main website servers

    HTML 490 MIT 147 27 19 Updated Mar 23, 2025
  • Auditor Public

    Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

    Java 519 MIT 86 21 7 Updated Mar 22, 2025
  • PdfViewer Public

    Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions. The PDF stream is fed into the sandboxed WebView without giving it access to content or files. CSP is used to enforce that the JavaScript and styling properties within the WebView are entirely static.

    Java 704 MIT 107 34 6 Updated Mar 22, 2025
  • platform_frameworks_base Public Forked from aosp-mirror/platform_frameworks_base
    Java 1 6,402 0 4 Updated Mar 22, 2025
  • platform_packages_apps_Updater Public

    Automatic background updater for modern Android. See https://github.com/GrapheneOS/script/blob/15/generate_metadata.py for the server metadata generation tool.

    Java 35 MIT 45 14 0 Updated Mar 22, 2025
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