linux-kernel - Re: [PATCH v2 01/23] crypto: provide single place for hash algo information

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Message-ID: <CACE9dm_Qvf5YaVvxDiDTMfAzZPA0hfqHOTxmvzUeEXCePUdJ2g@mail.gmail.com>
Date:	Tue, 22 Oct 2013 12:29:56 +0100
From:	Dmitry Kasatkin <dmitry.kasatkin@...il.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	linux-security-module@...r.kernel.org,
	Dmitry Kasatkin <d.kasatkin@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	James Morris <jmorris@...ei.org>,
	David Howells <dhowells@...hat.com>
Subject: Re: [PATCH v2 01/23] crypto: provide single place for hash algo information

On Tue, Oct 22, 2013 at 6:24 AM, Herbert Xu <herbert@...dor.apana.org.au> wrote:
> On Mon, Oct 21, 2013 at 06:42:46PM -0400, Mimi Zohar wrote:
>> From: Dmitry Kasatkin <d.kasatkin@...sung.com>
>>
>> This patch provides a single place for information about hash algorithms,
>> such as hash sizes and kernel driver names, which will be used by IMA
>> and the public key code.
>>
>> Changelog:
>> - Fix sparse and checkpatch warnings
>> - Move hash algo enums to uapi for userspace signing functions.
>>
>> Signed-off-by: Dmitry Kasatkin <d.kasatkin@...sung.com>
>> Signed-off-by: Mimi Zohar <zohar@...ux.vnet.ibm.com>
>
> Are you adding a user-space interface for this? If so please use
> the existing crypto user-space API.
>

Hello,

We are not adding user-space interface.
We just need to algo definitions which are in sync between user space,
IMA/EVM and kernel module signing.
Module signing perl script uses hard coded values. We want to improve
it export them to user space.

But please give us a hint, what crypto user-space API helps for us?

Thanks!

Dmitry


> 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
> --
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-- 
Thanks,
Dmitry
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