Recent traffic on this list is addressing OpenBSD issues with respect
to randomness for improving security.
There is an excellent survey published today of problems with Internet
of Things security, which in turn affects O/S development, written by
two prominent cryptographers, one of whom is the co-inventor of public
key cryptography:
James P. Hughes and Whitfield Diffie
The Challenges of IoT, TLS, and Random Number Generators in
the Real World: Bad random numbers are still with us and are
proliferating in modern systems
Queue 20(3) 18--40 May 2022
https://doi.org/10.1145/3546933
One of its 20 references is a 2016 paper that reports Internet
measurements on the extent of key weakness:
Weak Keys Remain Widespread in Network Devices
https://doi.org/10.1145/2987443.2987486
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