On Wed, 2014-07-02 at 21:21 +0300, Dmitry Kasatkin wrote:
> On 2 July 2014 20:44, Mimi Zohar wrote:
> > On Tue, 2014-07-01 at 23:12 +0300, Dmitry Kasatkin wrote:
> >
> >> -/*
> >> - * Calculate the MD5/SHA1 file digest
> >> - */
> >> +static struct crypto_ahash *ima_alloc_atfm(enum hash_algo algo
On Wed, 2014-07-02 at 21:20 +0300, Dmitry Kasatkin wrote:
> On 2 July 2014 19:40, Mimi Zohar wrote:
> > On Tue, 2014-07-01 at 23:12 +0300, Dmitry Kasatkin wrote:
> >> Async hash API allows to use HW acceleration for hash calculation.
> >> It may give significant performance gain or/and reduce pow
On 07/02/2014 11:40 AM, Dmitry Kasatkin wrote:
>> > We should reserve command-line parameters for things that really need
>> > tweaking in early boot or are _needed_ to boot.
...
> Is module param good enough or it should be sysctl?
Doesn't matter to me much. sysctls seem to be the easiest things
On 2 July 2014 21:33, Dave Hansen wrote:
> On 07/01/2014 01:12 PM, Dmitry Kasatkin wrote:
>> + ima_ahash= [IMA] Asynchronous hash usage parameters
>> + Format:
>> + Set the minimal file size when use asynchronous hash.
>> + If i
On 07/01/2014 01:12 PM, Dmitry Kasatkin wrote:
> + ima_ahash= [IMA] Asynchronous hash usage parameters
> + Format:
> + Set the minimal file size when use asynchronous hash.
> + If ima_ahash is not provided, ahash usage is disable
On 2 July 2014 20:44, Mimi Zohar wrote:
> On Tue, 2014-07-01 at 23:12 +0300, Dmitry Kasatkin wrote:
>
>> -/*
>> - * Calculate the MD5/SHA1 file digest
>> - */
>> +static struct crypto_ahash *ima_alloc_atfm(enum hash_algo algo)
>> +{
>> + struct crypto_ahash *tfm = ima_ahash_tfm;
>> + int r
On 2 July 2014 19:40, Mimi Zohar wrote:
> On Tue, 2014-07-01 at 23:12 +0300, Dmitry Kasatkin wrote:
>> Async hash API allows to use HW acceleration for hash calculation.
>> It may give significant performance gain or/and reduce power consumption,
>> which might be very beneficial for battery power
On Tue, 2014-07-01 at 23:12 +0300, Dmitry Kasatkin wrote:
> -/*
> - * Calculate the MD5/SHA1 file digest
> - */
> +static struct crypto_ahash *ima_alloc_atfm(enum hash_algo algo)
> +{
> + struct crypto_ahash *tfm = ima_ahash_tfm;
> + int rc;
> +
> + if ((algo != ima_hash_algo && algo <
On Tue, 2014-07-01 at 23:12 +0300, Dmitry Kasatkin wrote:
> Async hash API allows to use HW acceleration for hash calculation.
> It may give significant performance gain or/and reduce power consumption,
> which might be very beneficial for battery powered devices.
>
> This patch introduces hash c
Async hash API allows to use HW acceleration for hash calculation.
It may give significant performance gain or/and reduce power consumption,
which might be very beneficial for battery powered devices.
This patch introduces hash calculation using ahash API.
ahash performance depends on data size a
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