linux-kernel - Re: [PATCH 04/18] crypto: dh - introduce RFC 7919 safe-prime groups

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Date:   Thu, 09 Dec 2021 10:10:01 +0100
From:   Nicolai Stange <nstange@...e.de>
To:     Hannes Reinecke <hare@...e.de>
Cc:     Nicolai Stange <nstange@...e.de>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Stephan Müller <smueller@...onox.de>,
        Torsten Duwe <duwe@...e.de>, Zaibo Xu <xuzaibo@...wei.com>,
        Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        David Howells <dhowells@...hat.com>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        qat-linux@...el.com, keyrings@...r.kernel.org
Subject: Re: [PATCH 04/18] crypto: dh - introduce RFC 7919 safe-prime groups

Hannes Reinecke <hare@...e.de> writes:

>> diff --git a/include/crypto/dh.h b/include/crypto/dh.h
>> index 15d8b2dfe4a2..59be1fe3a978 100644
>> --- a/include/crypto/dh.h
>> +++ b/include/crypto/dh.h
>> @@ -22,6 +22,13 @@
>>   /** enum dh_group_id - identify well-known domain parameter sets */
>>   enum dh_group_id {
>>   	dh_group_id_unknown = 0,
>> +#ifdef CONFIG_CRYPTO_DH_GROUPS_RFC7919
>> +	dh_group_id_rfc7919_ffdhe2048 = 1, /* Constant used by test vector. */
>> +	dh_group_id_rfc7919_ffdhe3072,
>> +	dh_group_id_rfc7919_ffdhe4096,
>> +	dh_group_id_rfc7919_ffdhe6144,
>> +	dh_group_id_rfc7919_ffdhe8192,
>> +#endif
>>   };
>>     /**
>>
> Again, enums should be in upper case.
> And I think the rfc7919 in dh_group_id_rfc7919_ffdheXXX is redundant;
> I'd rather leave it out and name is just dh_group_id_ffdheXXX.

All upper case now in v2 and those _RFCXYZ_ parts have also been
removed.

Thanks,

Nicolai

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