linux-kernel - Re: [PATCH] crypto: testmgr - disallow certain DRBG hash functions in FIPS mode

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Message-ID: <Y9OwZUbZpHQ3gMl4@gondor.apana.org.au>
Date:   Fri, 27 Jan 2023 19:07:17 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Vladis Dronov <vdronov@...hat.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Stephan Mueller <smueller@...onox.de>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: testmgr - disallow certain DRBG hash functions
 in FIPS mode

On Tue, Jan 17, 2023 at 06:20:06PM +0100, Vladis Dronov wrote:
> According to FIPS 140-3 IG, section D.R "Hash Functions Acceptable for
> Use in the SP 800-90A DRBGs", modules certified after May 16th, 2023
> must not support the use of: SHA-224, SHA-384, SHA512-224, SHA512-256,
> SHA3-224, SHA3-384. Disallow HMAC and HASH DRBGs using SHA-384 in FIPS
> mode.
> 
> Signed-off-by: Vladis Dronov <vdronov@...hat.com>
> ---
> Some details:
> 
> The following DRBG algos are defined in testmgr.c as of now:
> 
> drbg_{no,}pr_ctr_aes128
> drbg_{no,}pr_ctr_aes192
> drbg_{no,}pr_ctr_aes256
> 
> drbg_{no,}pr_hmac_sha1
> drbg_{no,}pr_hmac_sha256
> drbg_{no,}pr_hmac_sha384 (disallow)
> drbg_{no,}pr_hmac_sha512
> 
> drbg_{no,}pr_sha1
> drbg_{no,}pr_sha256
> drbg_{no,}pr_sha384 (disallow)
> drbg_{no,}pr_sha512
> 
> Marked DRBGs should be disallowed in FIPS mode according to
> the requirements above.
> ---
>  crypto/testmgr.c | 4 ----
>  1 file changed, 4 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt