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The value stored in last_data must be primed for FIPS 140-2 purposes. Upon first use, either on system startup or after an RNDCLEARPOOL ioctl, we need to take an initial random sample, store it internally in last_data, then pass along the value after that to the requester, so that consistency checks aren't being run against stale and possibly known data. CC: Herbert Xu <herbert@gondor.apana.org.au> CC: "David S. Miller" <davem@davemloft.net> CC: Matt Mackall <mpm@selenic.com> CC: linux-crypto@vger.kernel.org Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
1502 lines
44 KiB
1502 lines
44 KiB