Re: [PATCH v3 1/3] crypto: rsa - generalize ASN.1 sequences

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On Wed, Apr 06, 2016 at 04:37:04PM +0300, Tudor Ambarus wrote:
> Use common ASN.1 sequences for all RSA implementations.
> 
> Give hardware RSA implementations the chance to use
> the RSA's software implementation parser even if they
> are likely to want to use raw integers.
> 
> The parser expects a context that contains at the first address
> a pointer to a struct rsa_asn1_action instance that has function
> pointers to specific parser actions (return MPI or raw integer keys),
> followed by a key representation structure (for MPI or raw integers).
> 
> This approach has the advantage that users can select specific
> parser actions by using a general parser with function pointers
> to specific actions.

I don't understand why we need different parsing functions in the
first place.  Can't they just return raw integers always?

You can then trivially convert the raw integers to MPI, no?

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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