Re: [RFC PATCH 5/8] KEYS: Provide software public key query function [ver 3]

[David Howells]

Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx> wrote:

> > +	len = crypto_akcipher_maxsize(tfm);
> > +	info->key_size = len * 8;
> > +	info->max_data_size = len;
> > +	info->max_sig_size = len;
> > +	info->max_enc_size = len;
> > +	info->max_dec_size = len;
> 
> If len > UINT16_MAX, should UINT16_MAX be reported as the max size? Similar
> question for len*8 and key_size.

key_size is 32 bits, but the other sizes are all 16 bits, so you would need a
524288-bit key to exceed their capacity.  I'm not sure that's likely anytime
soon, but should I just make all the sizes 32-bit anyway?

David