[U-Boot] [PATCH 01/10][v6] rsa: Split the rsa-verify to separate the modular exponentiation

[Simon Glass]

On 23 January 2015 at 03:31, Ruchika Gupta <ruchika.gupta at freescale.com> wrote:
> Public exponentiation which is required in rsa verify functionality is
> tightly integrated with verification code in rsa_verify.c. The patch
> splits the file into twp separating the modular exponentiation.
>
> 1. rsa-verify.c
> - The file parses device tree keys node to fill a keyprop structure.
> The keyprop structure can then be converted to implementation specific
> format.
> (struct rsa_pub_key for sw implementation)
> - The parsed device tree node is then passed to a generic rsa_mod_exp
> function.
>
> 2. rsa-mod-exp.c
> Move the software specific functions related to modular exponentiation
> from rsa-verify.c to this file.
>
> Signed-off-by: Ruchika Gupta <ruchika.gupta at freescale.com>
> CC: Simon Glass <sjg at chromium.org>
> ---
> Changes in v6:
> No changes
>
> Changes in v5:
> Reverted change in rsa_mod_exp_sw function to add pointer to output length
> Addressed other comments by Simon
>
> Changes in v4:
> Modified rsa_mod_exp_sw function to add pointer to output length
>
> Changes in v3:
> Kconfig moved to separate patch. This patch just splits the file now
>
> Changes in v2:
> Addressed few of Simon Glass's comments:
> - Kconfig option added for RSA
> - Comments added for new keyprop struct
>
>  include/u-boot/rsa-mod-exp.h |  43 ++++++
>  lib/rsa/Makefile             |   2 +-
>  lib/rsa/rsa-mod-exp.c        | 303 +++++++++++++++++++++++++++++++++++++++
>  lib/rsa/rsa-verify.c         | 329 ++++++++-----------------------------------
>  tools/Makefile               |   3 +-
>  5 files changed, 404 insertions(+), 276 deletions(-)
>  create mode 100644 include/u-boot/rsa-mod-exp.h
>  create mode 100644 lib/rsa/rsa-mod-exp.c

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