tree 7daaec4a73016b34d20749a00cdeebb4ea859df2
parent d126e016493dc84a87db4ce87db4c5a94ee29e9a
author Stefan Roese <sr@denx.de> 1431950904 +0200
committer Tom Rini <trini@konsulko.com> 1433799160 -0400

autoboot.c: Add feature to stop autobooting via SHA256 encrypted password

This patch adds the feature to only stop the autobooting, and therefor
boot into the U-Boot prompt, when the input string / password matches
a values that is encypted via a SHA256 hash and saved in the environment.

This feature is enabled by defined these config options:
     CONFIG_AUTOBOOT_KEYED
     CONFIG_AUTOBOOT_STOP_STR_SHA256

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>