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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: Dirk-Willem van Gulik <dirkx@webweaving.org>
Subject: Re: seeding randomness in zee cloud
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> 	.. snipped...
>
> 	# Seed Software random generator
> 	#
> 	cat rnd > /dev/random
>
> 	# Activate software random generator as an additional source
> 	sysctl kern.random.sys.harvest.swi=1
>
> Or does this cause a loss/reset of all entropy gathered by the hardware sofar ?

no - writing to /dev/random "adds randomness"