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AMD、Google、微软、英伟达宣布Caliptra开源信任根_我的网站

A |     更重要的是，Caliptra 完全开源，辅以配套的 RTL / 固件。    Washington, Oct 14 (UNI) The United States will monitor Russia’s annual “Grom” strategic nuclear exercise as NATO holds its own “Steadfast Noon” strategic nuclear drills as well, Defense Department Deputy Press Secretary Sabrina Singh said on Friday.
“I don’t have the exact location of where those take place, and I don’t have any more further details on it. It’s something that we’re going to monitor,” Singh said during a press briefing when asked for details about the Russian strategic nuckear exercise.
On Thursday, NATO Secretary-General Jens Stoltenberg said the Western military alliance will likewise monitor the Grom exercise, which tests Russia's nuclear-capable systems.
While the Grom exercise’s location is currently unknown, it be conducted concurrently with the Steadfast Noon exercise, which is set to take place some 600 miles away from Russia, White House Strategic Communications Coordinator John Kirby also said on Thursday.
Steadfast Noon, also an exercise held annually, is not linked to tensions with Russia or other real-word events, Kirby said.
However, Russia probably believes its Grom exercise, named after the Russian word for “Thunder,” will help project power in light of recent events, Kirby added.
UNI/SPUTNIK GNK。它能够为 SoC 安全配置提供可验证的加密保证，并确保启动代码是可信的。

B | Caliptra 旨在完全集成到 SoC / ASIC 中，以提供与当今单独的信任根解决方案相媲美的集成安全性，同时它围绕现代边缘 / 机密计算场景的需求而设计。有趣的是，Caliptra 的参考实现，使用了 RISC-V 内核。奇怪的是，虽然红（AMD）蓝（NVIDIA）都已官宣支持 Caliptra，但蓝厂（Intel）却在今日的公告中意外缺席。至于具有 Caliptra 硅信任根的目标，新规范中是这么描述的：在本质上，Caliptra Silicon RoT 的范围是刻意做到极简的，以推动规范定义的敏捷性、最大限度地提高适用性，并且推动行业对齐、一致性和更快地采用基础设备安全原语。

C | 一个定义明确的规范，可在最大限度上提升架构的可组合性，跨 CSP、产品和供应商的可重用性，以及开源的可行性。虽然增强功能、高级用例和应用程序超出了本规范的范围，但各方仍可通过硅 RoT 和社区参与的途径，加入到这一开发路线图中。Caliptra 定义了硅内部 RoT 基线的设计标准，满足测量信任根（RTM）角色。并且 Caliptra 的开源实现，推动了 RTM 和锚定硬件证明的测量机制的透明度。需要注意的是，Caliptra Silicon RoT 必须启动 SoC、测量其加载的可变代码，以及控制 SoC 中非易失性配置位的突变。最后，Caliptra Silicon RoT 使用基于独特的“每资产加密熵”的签名证明来报告这些测量结果，因而能够作为 SoC 身份的信任根。感兴趣的朋友，可移步至 OpenCompute.org 官网了解完全开放的 Caliptra 规范。至于更多技术细节，还请留意本周的 OCP（开放计算项目）活动。

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Published on:09:20:15