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authorDimitri John Ledkov <dimitri.ledkov@canonical.com>2023-10-30 15:05:13 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2023-11-17 14:16:29 +0300
commit7ee44f1b59df29419e1bfdfd118fbcdd83c5398c (patch)
treea514cd2462b572b6b075d295fb301bf22cc7850a /crypto/ansi_cprng.c
parentd872ca165cb67112f2841ef9c37d51ef7e63d1e4 (diff)
downloadlinux-7ee44f1b59df29419e1bfdfd118fbcdd83c5398c.tar.xz
crypto: drbg - ensure most preferred type is FIPS health checked
drbg supports multiple types of drbg, and multiple parameters of each. Health check sanity only checks one drbg of a single type. One can enable all three types of drbg. And instead of checking the most preferred algorithm (last one wins), it is currently checking first one instead. Update ifdef to ensure that healthcheck prefers HMAC, over HASH, over CTR, last one wins, like all other code and functions. This patch updates code from 541af946fe ("crypto: drbg - SP800-90A Deterministic Random Bit Generator"), but is not interesting to cherry-pick for stable updates, because it doesn't affect regular builds, nor has any tangible effect on FIPS certifcation. Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com> Reviewed-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/ansi_cprng.c')
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