[OpenWrt-Devel] Q: understanding entropy/random for SSH-keys
nbd at openwrt.org
Thu Feb 19 15:44:07 EST 2015
On 2015-02-19 18:58, Bastian Bittorf wrote:
> as far is i know, mac80211 (or ath9k?) add entropy to the kernel.
> when a node starts up for the first time, we must wait till the
> kernel has enough entropy for generating good ssh-keys.
> is it a good idea to have some wifi-action for generating entropy?
> (e.g. a wifi scan) before generating keys?
Initial ath9k entropy gathering happens at driver probe time, long
before SSH keys are being generated, so you're fine even without
triggering a wifi scan.
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