OpenTitan is an open source silicon root of trust project that provides hardware, software, and utilities for building trustworthy security foundations in silicon.
The project addresses the need for transparent and secure root of trust implementations by providing open IP designs that can be instantiated as full-featured products. Rather than relying on proprietary or closed-source security foundations, OpenTitan enables enterprises, platform providers, and chip manufacturers to inspect, understand, and verify the silicon components responsible for establishing trust in their systems. The approach centers on collaborative development of high-quality, auditable hardware and software components organized in a monolithic repository structure.
Organizations should adopt OpenTitan if they require a verifiable root of trust implementation and have the expertise to work with hardware description languages and silicon design processes. The project suits chip manufacturers, platform providers, and enterprises building security-critical systems where transparency in the trust foundation is a priority. The comprehensive documentation available online covers all intellectual property blocks and tools, supporting both implementation and contribution workflows.
The project maintains active governance structures with documented contribution guidelines and project organization processes. Development activity spans hardware design in SystemVerilog, software components, and supporting utilities across the monorepo, indicating sustained work across multiple technical domains required for a complete root of trust system.