| Subject | Re: [PATCH 15/18] crypto: dh - store group id in dh-generic's dh_ctx | From | Hannes Reinecke <> | Date | Wed, 1 Dec 2021 08:32:40 +0100 |
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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 the Q value from the P domain parameter for safe-prime groups, > for which by definition Q = (P - 1)/2. However, dh_is_pubkey_valid() will > need to check first whether the group in question is actually a safe-prime > group. In order to make this information available, introduce a new > ->group_id member to struct dh_ctx and let dh_set_params() set it to the > value found in the struct dh as deserialized via crypto_dh_decode_key(). > > Signed-off-by: Nicolai Stange <nstange@suse.de> > --- > crypto/dh.c | 3 +++ > 1 file changed, 3 insertions(+) > 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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