linux-kernel - Re: [PATCH] crypto: talitos - Don't provide setkey for non hmac hashing algs.

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Date:   Thu, 21 Sep 2017 16:06:53 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     "David S. Miller" <davem@...emloft.net>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-crypto@...r.kernel.org, Stephan Muller <smueller@...onox.de>
Subject: Re: [PATCH] crypto: talitos - Don't provide setkey for non hmac
 hashing algs.

On Tue, Sep 12, 2017 at 11:03:39AM +0200, Christophe Leroy wrote:
> Today, md5sum fails with error -ENOKEY because a setkey
> function is set for non hmac hashing algs, see strace output below:
> 
> mmap(NULL, 378880, PROT_READ, MAP_SHARED, 6, 0) = 0x77f50000
> accept(3, 0, NULL)                      = 7
> vmsplice(5, [{"bin/\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 378880}], 1, SPLICE_F_MORE|SPLICE_F_GIFT) = 262144
> splice(4, NULL, 7, NULL, 262144, SPLICE_F_MORE) = -1 ENOKEY (Required key not available)
> write(2, "Generation of hash for file kcap"..., 50) = 50
> munmap(0x77f50000, 378880)              = 0
> 
> This patch ensures that setkey() function is set only
> for hmac hashing.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

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