Re: [PATCH 1/2] crypto: KEYS: convert public key to the akcipher API

From: Herbert Xu
Date: Thu Aug 13 2015 - 21:09:43 EST


On Thu, Aug 13, 2015 at 03:23:16PM +0100, David Howells wrote:
>
> > - /* Decode the public key */
> > - ret = asn1_ber_decoder(&x509_rsakey_decoder, ctx,
> > - ctx->key, ctx->key_size);
> > - if (ret < 0)
> > + cert->pub->key = kmemdup(ctx->key, ctx->key_size, GFP_KERNEL);
> > + if (!cert->pub->key)
> > goto error_decode;
>
> The generic public key code should *not* see the container wrappings (ASN.1
> from an X.509 cert in this case). The public key could be supplied by OpenPGP
> instead, for example, or directly by a driver.

No in this case it's fine because the format of our key input
specification just happens to coincide with the input here.

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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