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authorNeil Horman <nhorman@tuxdriver.com>2008-11-05 12:13:14 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2008-12-25 11:01:21 +1100
commit2566578a6feb9d9e39da41326afe8ed6022db3c5 (patch)
tree4fb341d8912afbf5b1c47e0938f251210843ef2d /include
parent420a4b20c504e4674bf253601f793bdb254f99fa (diff)
downloadlinux-linaro-2566578a6feb9d9e39da41326afe8ed6022db3c5.tar.gz
crypto: ansi_cprng - Allow resetting of DT value
This is a patch that was sent to me by Jarod Wilson, marking off my outstanding todo to allow the ansi cprng to set/reset the DT counter value in a cprng instance. Currently crytpo_rng_reset accepts a seed byte array which is interpreted by the ansi_cprng as a {V key} tuple. This patch extends that tuple to now be {V key DT}, with DT an optional value during reset. This patch also fixes a bug we noticed in which the offset of the key area of the seed is started at DEFAULT_PRNG_KSZ rather than DEFAULT_BLK_SZ as it should be. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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