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SubjectRe: [PATCH 14/18] lib/mpi: export mpi_rshift
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On 12/1/21 1:48 AM, Nicolai Stange wrote:
> A subsequent patch will make the crypto/dh's dh_is_pubkey_valid() to
> calculate a safe-prime groups Q parameter from P: Q = (P - 1) / 2. For
> implementing this, mpi_rshift() will be needed. Export it so that it's
> accessible from crypto/dh.
>
> Signed-off-by: Nicolai Stange <nstange@suse.de>
> ---
> lib/mpi/mpi-bit.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/mpi/mpi-bit.c b/lib/mpi/mpi-bit.c
> index 142b680835df..070ba784c9f1 100644
> --- a/lib/mpi/mpi-bit.c
> +++ b/lib/mpi/mpi-bit.c
> @@ -242,6 +242,7 @@ void mpi_rshift(MPI x, MPI a, unsigned int n)
> }
> MPN_NORMALIZE(x->d, x->nlimbs);
> }
> +EXPORT_SYMBOL_GPL(mpi_rshift);
>
> /****************
> * Shift A by COUNT limbs to the left
>
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer

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