Re: [PATCH RFC v4 2/4] crypto: add PKE API

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On 06/11/2015 07:42 PM, Herbert Xu wrote:
>> The testmgr code can mark an entire cipher implementation as fips_allowed=1 as 
>> > already done for RSA. However, unlike with the other ciphers, that flag must 
>> > go in conjunction with the used key sizes.
>> > 
>> > For FIPS mode, the following restrictions apply:
>> > 
>> > - RSA: 2048/3072
>> > 
>> > - DSA: L 2048 / N 224; L 2048 / N 256; L 3072 / N 256
>> > 
>> > - ECDSA: only the NIST curves
>> > 
>> > Any other key sizes for the given ciphers is not allowed in FIPS mode.
>> > 
>> > Should that constraint be considered here?
> Yes.  However it should be placed into a helper that everybody
> can call so that future hardware implementations can also make
> the same checks.

I will make the algorithm marked as fips allowed always and then fail in setkey if fips is enabled
and the given key doesn't meet the fips requirement.
Thanks
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