OpenTitan 是由 Google 主导的开源安全芯片项目,旨在为硬件系统提供 可信的硬件信任根(Root of Trust, RoT) ,通过透明化设计和开源协作提升硬件安全水平。以下是其核心解读:
*附件:OpenTitan Earl Grey (Discrete Chip) Datasheet.pdf
OpenTitan 代表了硬件安全领域的范式转变: 通过开源协作打破传统黑盒设计,以透明性构建信任基础 。其 RISC-V 架构和模块化特性使其在服务器、物联网等场景中具备广泛适用性,而商业化进展(如 Chromebook 集成)则验证了开源模式的可行性。未来,随着 AI 安全需求的增长,OpenTitan 可能进一步演变为“安全 AI SoC”的基础平台,融合硬件加密与智能威胁防护能力。
参考
OpenTitan is an open source secure silicon ecosystem producing both silicon IP and complete top-level designs capable of supporting numerous applications, including a discrete secure micro-controller and an integrated secure execution environment (both supporting Root of Trust functionality with secure boot and DICE attestation). OpenTitan will make design and implementation of secure silicon more transparent, trustworthy, and secure for enterprises, platforms, and chip manufacturers. OpenTitan is administered by lowRISC CIC as a collaborative, partner-centric project to produce high quality, open IP for instantiation as a full-featured product. This repository exists to enable collaboration across participating OpenTitan project partners and the broader open silicon community.
Start at the Getting Started page to begin your OpenTitan journey. Other helpful OpenTitan resources include the contribution and the tools guides. The Hardware book also contains useful technical documentation on the SoC, our RISC-V Ibex processor core, and the individual IP blocks. For questions about how project organization and governance, see the project landing spot.
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