[PATCH v6 3/8] lib: rsa: bring exp_len in line when generating a key_prop

Simon Glass sjg at chromium.org
Fri Jun 26 03:12:12 CEST 2020


On Thu, 18 Jun 2020 at 08:23, Heiko Stuebner <heiko at sntech.de> wrote:
>
> From: Heiko Stuebner <heiko.stuebner at theobroma-systems.com>
>
> The exponent field of struct key_prop gets allocated an uint64_t,
> and the contents are positioned from the back, so an exponent of
> "0x01 0x00 0x01" becomes 0x0 0x0 0x0 0x0 0x0 0x1 0x0 0x1"
>
> Right now rsa_gen_key_prop() allocates a uint64_t but sets exp_len
> to the size returned from the parser, while on the other hand the
> when getting the key from the devicetree exp_len always gets set to
> sizeof(uint64_t).
>
> So bring that in line with the established code.
>
> Signed-off-by: Heiko Stuebner <heiko.stuebner at theobroma-systems.com>
> ---
> changes in v4:
> - new patch
>
>  lib/rsa/rsa-keyprop.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Simon Glass <sjg at chromium.org>


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