linux - Why clearing entropy count requires root privileges? -

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in order clear entropy count when using linux's /dev/random through system call ioctl (rndclearpool), caller must have root privilege (according this: http://lxr.free-electrons.com/source/drivers/char/random.c). why necessary prevent user space applications being able clear entropy count?

clearing entropy count can cause significant reductions in performance affect processes run users of system.


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