rng

virtual/misc/hw_random🔒 🐙
🧀  grep . *
dev:10:183
grep: power: Is a directory
rng_current:none
grep: rng_quality: No such device
rng_selected:0
grep: subsystem: Is a directory
uevent:MAJOR=10
uevent:MINOR=183
uevent:DEVNAME=hwrng
virtual/misc/hw_random🔒 🐙
🤒  pwd
/sys/devices/virtual/misc/hw_random

cat /sys/devices/virtual/misc/hw_random/rng_available

这个就很深入了

https://www.zx2c4.com/projects/linux-rng-5.17-5.18/

wireguard 的作者写的

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