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I could build this non exhaustive list of RTOS : VxWorks, QNX, LynxOS, eCOS, WindowsCE, LinuxRT, Micrium, PURE, MMLite, XPembedded, RTAI, xenomai, Integrity, Nucleus, ThreadX.

From what I know, probably WxWorks and LynxOS are the best choice when security is required (ISO 15408). On the other hand, I worked recently on a Linux setup with "PREEMPT RT" set in the kernel for an embedded system. This setup had signed boot-loader, kernel, system and applications, with cryptographic keys in a TPM. Ok, this is just to provide you the context and where I am in my research.

My question is : Is there a recent survey of RTOS solutions, security centric ? Alternatively, what are your choices, why and for which usage?

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  • I thought NSA had made a big effort to provide a secure version of Linux. I don't have a reference. – Ira Baxter Jul 5 '15 at 13:37
  • Yes, SELinux. Thanks to point it out. There is an interresting discussion on it here. – lalebarde Jul 5 '15 at 14:47

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