From: Herbert Xu <herbert@gondor.apana.org.au>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: linux-crypto <linux-crypto@vger.kernel.org>
Subject: Re: crypto_shash_digest API
Date: Tue, 23 Nov 2010 22:42:43 +0800 [thread overview]
Message-ID: <20101123144242.GA29858@gondor.apana.org.au> (raw)
In-Reply-To: <1290522841.2606.168.camel@localhost.localdomain>
On Tue, Nov 23, 2010 at 09:34:01AM -0500, Mimi Zohar wrote:
> Hi!
>
> Am having problems finding any shash API documentation. Could someone
> tell me if 'out' needs to be zeroed before calling crypto_shash_digest?
>
> int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
> unsigned int len, u8 *out)
No, out will be filled with the crypto_shash_digestsize bytes
if crypto_shash_digest returns zero.
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
prev parent reply other threads:[~2010-11-23 14:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-23 14:34 crypto_shash_digest API Mimi Zohar
2010-11-23 14:42 ` Herbert Xu [this message]
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