Open-Source Hardware Security

Hardware Security,
Reimagined

AuthGrid builds open-source, WebAuthn-compatible security keys. Passwordless authentication that you own, control, and can verify.

Why AuthGrid?

We believe security hardware should be transparent, auditable, and under your control.

Full source code available. Audit the firmware yourself, verify there are no backdoors, and understand exactly how your keys are protected.

ESP32-S3 eFuse protection, encrypted NVS storage, Secure Boot v2, and hardware HMAC key derivation. Defense in depth.

Deterministic key derivation from a master seed. Back up once, restore anywhere. Never lose access to your accounts.

CTAP2 and U2F protocol support. Works with Google, Microsoft, GitHub, and thousands of other WebAuthn-enabled services.

Update firmware over USB HID. No special tools, no UART cables, no disassembly. Dual partitions with automatic rollback.

hmac-secret extension enables hardware-backed SSH keys and disk encryption. One key for everything.

From individual developers to enterprise teams, we have a security key for your needs.

Individual

Open-Source Security Key

A DIY WebAuthn security key built on the ESP32-S3. CTAP2 and U2F protocol support, capacitive touch, and deterministic key backup.

Enterprise

Managed Fleet Security

Team-syncing security keys for MSPs and organizations. Shared credentials across devices with zero single points of failure.

Join the growing community of developers and organizations building with KeyForge.