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diff --git a/static/features.html b/static/features.html new file mode 100644 index 00000000..230ed09c --- /dev/null +++ b/static/features.html @@ -0,0 +1,152 @@ +<!DOCTYPE html> +<html lang="en" prefix="og: https://ogp.me/ns#"> + <head> + <meta charset="utf-8"/> + <title>Contact | GrapheneOS</title> + <meta name="description" content="Overview of GrapheneOS features."/> + <meta name="theme-color" content="#212121"/> + <meta name="msapplication-TileColor" content="#ffffff"/> + <meta name="viewport" content="width=device-width, initial-scale=1"/> + <meta name="twitter:site" content="@GrapheneOS"/> + <meta name="twitter:creator" content="@GrapheneOS"/> + <meta property="og:title" content="GrapheneOS feature overview"/> + <meta property="og:description" content="Overview of GrapheneOS features."/> + <meta property="og:type" content="website"/> + <meta property="og:image" content="https://grapheneos.org/opengraph.png"/> + <meta property="og:image:width" content="512"/> + <meta property="og:image:height" content="512"/> + <meta property="og:image:alt" content="GrapheneOS logo"/> + <meta property="og:url" content="https://grapheneos.org/features"/> + <meta property="og:site_name" content="GrapheneOS"/> + <link rel="icon" sizes="16x16 24x24 32x32 48x48 64x64" type="image/vnd.microsoft.icon" href="/favicon.ico"/> + <link rel="icon" sizes="any" type="image/svg+xml" href="/mask-icon.svg"/> + <link rel="mask-icon" href="/mask-icon.svg" color="#1a1a1a"/> + <link rel="stylesheet" href="/grapheneos.css?22"/> + <link rel="manifest" href="/manifest.webmanifest"/> + <link rel="canonical" href="https://grapheneos.org/features"/> + </head> + <body> + <nav id="site-menu"> + <ul> + <li><a href="/">GrapheneOS</a></li> + <li aria-current="page"><a href="/features">GrapheneOS feature overview</a></li> + <li><a href="/install">Install</a></li> + <li><a href="/build">Build</a></li> + <li><a href="/usage">Usage</a></li> + <li><a href="/faq">FAQ</a></li> + <li><a href="/releases">Releases</a></li> + <li><a href="/source">Source</a></li> + <li><a href="/donate">Donate</a></li> + <li><a href="/contact">Contact</a></li> + </ul> + </nav> + <main> + <h1 id="features"> + <a href="#features">GrapheneOS feature overview</a> + </h1> + + <p><strong>This is a newly created page (started 2020-12-05) and is in the process of + being written. More details and links to more detailed documentation and relevant + repositories will be added over time.</strong></p> + + <p>This is an overview of the current set of features differentiating GrapheneOS from + the Android Open Source Project (AOSP). Each major release of AOSP brings substantial + privacy and security improvements, many of which have obsoleted historical features in + GrapheneOS. This page does not currently cover any of the historical features since it + aims to cover the current differences rather than what we've done over the years.</p> + + <p>Graphene features:</p> + + <ul> + <li>Hardened kernel</li> + <li>Hardened libc providing defenses against the most common classes of vulnerabilities (memory + corruption)</li> + <li>Hardened malloc (memory allocator) leveraging modern hardware capabilities to provide + substantial defenses against the most common classes of vulnerabilities (heap memory corruption) + along with reducing the lifetime of sensitive data in memory</li> + <li>Hardened app runtime</li> + <li>Filesystem access hardening</li> + <li>Enhanced verified boot with better security properties and reduced attack surface</li> + <li>Enhanced hardware-based attestation with more precise version information</li> + <li>Eliminates remaining holes for apps to access hardware-based identifiers</li> + <li>Greatly reduced remote, local and proximity-based attack surface by stripping out unnecessary + code, making more features optional and disabling optional features by default or when the + screen is locked</li> + <li>Low-level improvements to the filesystem-based full disk encryption used on + modern Android</li> + <li>Support for logging out of user profiles without needing a device manager: makes them inactive so that they can't continue running code while using another profile, purges disk encryption keys (which are per-profile) from memory and hardware registers</li> + <li>LTE-only mode to reduce cellular radio attack surface by disabling enormous amounts of legacy + code</li> + <li>Default enabled per-connection MAC randomization as an improvement over Android's default + per-network MAC randomization reusing the same MAC address until the DHCP lease with that + network expires</li> + <li>Vanadium: hardened WebView and default browser</li> + <li>Auditor: hardware-based attestation used to secure devices for users and + organizations instead of using it as a form of DRM</li> + <li>PDF Viewer: sandboxed, hardened PDF viewer using HiDPI rendering with pinch to zoom, text + selection, etc.</li> + <li>Secure application spawning system</li> + <li>Network permission toggle disallowing both direct and indirect network access, superior to a purely firewall-based implementation only disallowing direct access to the network without covering inter-process communication</li> + <li>Sensors permission toggle</li> + <li>Authenticated encryption for network time updates via a first party server to + prevent attackers from changing the time and enabling attacks based on bypassing + certificate / key expiry, etc.</li> + <li>Proper support for disabling network time updates rather than just not using + the results</li> + <li>Connectivity checks via a first party server with the option to revert to the + standard checks</li> + <li>Hardened local build / signing infrastructure</li> + <li>Seamless automatic OS update system that just works and stays out of the way + in the background without disrupting device usage</li> + </ul> + + <p>Infrastructure features:</p> + + <ul> + <li>Strict privacy and security practices for our infrastructure</li> + <li>Services hosted on OVH without involving any additional parties for CDNs, + mirrors or other services - we don't outsource to others</li> + <li>Our services are built with open technology stacks to avoid being locked in to + any particular hosting provider or vendor</li> + <li>Open documentation on our infrastructure including listing out all of our + services, guides on making similar setups, published configurations for each + of our web services, etc.</li> + <li>No proprietary services</li> + <li>Authenticated encryption for all of our services</li> + <li>Strong cipher configurations for all of our services (SSH, TLS, etc.)</li> + <li>DNSSEC for all our domains</li> + <li>SSHFP across all domains for pinning SSH keys</li> + <li>DANE TLSA records for pinning keys for all our TLS services (unfortunately only + used by a subset of other mail services in practice, and not yet web + browsers)</li> + <li>Static key pinning for our services in apps like Auditor</li> + <li>No cookies or similar client-side state for anything other than login sessions, + which are set up via SameSite=strict cookies and have server-side session tracking + with the ability to log out of other sessions</li> + <li>scrypt-based password hashing (likely Argon2 when the available implementations + are more mature)</li> + </ul> + + <p>Beyond the technical features of the OS:</p> + + <ul> + <li>Collaborative, open source project with a very active community and contributors</li> + <li>Can make your own builds and make desired changes, so you aren't stuck with + the decisions made by the upstream project</li> + <li>Non-profit project avoiding conflicts of interest by keeping commercialization + at a distance. Companies support the project rather than the project serving the + needs of any particular company</li> + <li>No proprietary services</li> + <li>Strong privacy policies</li> + </ul> + </main> + <footer> + <a href="/"><img src="/logo.png" width="512" height="512" alt=""/>GrapheneOS</a> + <ul id="social"> + <li><a href="https://twitter.com/GrapheneOS">Twitter</a></li> + <li><a href="https://github.com/GrapheneOS">GitHub</a></li> + <li><a href="https://reddit.com/r/GrapheneOS">Reddit</a></li> + </ul> + </footer> + </body> +</html> diff --git a/static/sitemap.xml b/static/sitemap.xml index aa26c44f..608ce4d0 100644 --- a/static/sitemap.xml +++ b/static/sitemap.xml @@ -7,6 +7,10 @@ <priority>1.0</priority> </url> <url> + <loc>https://grapheneos.org/features</loc> + <priority>0.5</priority> + </url> + <url> <loc>https://grapheneos.org/install</loc> <priority>0.5</priority> </url> |