[Cryptography] OpenSSL and random

[Theodore Ts'o]

On Thu, Dec 01, 2016 at 06:39:46PM -0600, Nico Williams wrote:
> It might be nice to be get an indication of entropy quality from the OS.
> At minimum a boolean (true -> real entropy, false -> meh entropy).
> _Perhaps_ also an indication of when was the last time new entropy was
> stirred in.  (Anything more would be overkill and hard to use well.)

We do give such a an indication.   For example:

random: systemd: uninitialized urandom read (16 bytes read, 3 bits of entropy available)

It was a reported as a bug, and closed by Leonard Poettering:

	https://github.com/systemd/systemd/issues/4167

						- Ted