[PATCH v7 4/7] lib: rsa: generate additional parameters for public key
trini at konsulko.com
Thu Mar 12 17:48:43 CET 2020
On Fri, Feb 21, 2020 at 03:12:58PM +0900, AKASHI Takahiro wrote:
> In the current implementation of FIT_SIGNATURE, five parameters for
> a RSA public key are required while only two of them are essential.
> (See rsa-mod-exp.h and uImage.FIT/signature.txt)
> This is a result of considering relatively limited computer power
> and resources on embedded systems, while such a assumption may not
> be quite practical for other use cases.
> In this patch, added is a function, rsa_gen_key_prop(), which will
> generate additional parameters for other uses, in particular
> UEFI secure boot, on the fly.
> Note: the current code uses some "big number" routines from BearSSL
> for the calculation.
> Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
Applied to u-boot/next, thanks!
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