Re: Limited usefulness of RSA set key function

[Tadeusz Struk <tadeusz.struk@intel.com>]

Hi Marcel,
On 08/03/2015 12:30 AM, Marcel Holtmann wrote:
> as you can clearly see. There are two formats defined here. There is no single ASN.1 structure that can decode both of these.
> 
> It is what it is, RSA Public Key and RSA Private Key formats are two different key formats. And OpenSSL also treats it like this. You can extract the public key from a private key (same way you can extract it from a certificate), but you can not create a private key structure that only contains the public key.
> 
> For RSA we need to support the two formats as listed above. To make this really easy from an API point of view, I would have setkey and setpubkey function. And also expose them as ALG_SET_KEY and ALG_SET_PUBKEY socket options for AF_ALG.

I'll have a look what will be the easiest way to get the openSSL generated & unmodified private key working.
Thanks,
T