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Miller" Cc: smueller@chronox.de, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] crypto: drbg - update FIPS CTR self-checks to aes256 Date: Mon, 30 Oct 2023 14:05:14 +0200 Message-Id: <20231030120517.39424-3-dimitri.ledkov@canonical.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231030120517.39424-1-dimitri.ledkov@canonical.com> References: <20231029204823.663930-1-dimitri.ledkov@canonical.com> <20231030120517.39424-1-dimitri.ledkov@canonical.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When originally drbg was introduced FIPS self-checks for all types but CTR were using the most preferred parameters for each type of DRBG. Update CTR self-check to use aes256. 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 Reviewed-by: Stephan Mueller --- crypto/drbg.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/crypto/drbg.c b/crypto/drbg.c index 2cce18dcfc..b120e2866b 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1478,8 +1478,8 @@ static int drbg_generate(struct drbg_state *drbg, err =3D alg_test("drbg_pr_hmac_sha256", "drbg_pr_hmac_sha256", 0, 0); else if (drbg->core->flags & DRBG_CTR) - err =3D alg_test("drbg_pr_ctr_aes128", - "drbg_pr_ctr_aes128", 0, 0); + err =3D alg_test("drbg_pr_ctr_aes256", + "drbg_pr_ctr_aes256", 0, 0); else err =3D alg_test("drbg_pr_sha256", "drbg_pr_sha256", 0, 0); @@ -2017,7 +2017,7 @@ static inline int __init drbg_healthcheck_sanity(void) return 0; =20 #ifdef CONFIG_CRYPTO_DRBG_CTR - drbg_convert_tfm_core("drbg_nopr_ctr_aes128", &coreref, &pr); + drbg_convert_tfm_core("drbg_nopr_ctr_aes256", &coreref, &pr); #endif #ifdef CONFIG_CRYPTO_DRBG_HASH drbg_convert_tfm_core("drbg_nopr_sha256", &coreref, &pr); --=20 2.34.1