diff options
Diffstat (limited to 'cmd/Kconfig')
| -rw-r--r-- | cmd/Kconfig | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 16cb5c2956..2cbfc0f87e 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -101,7 +101,14 @@ config AUTOBOOT_PROMPT config AUTOBOOT_ENCRYPTION bool "Enable encryption in autoboot stopping" depends on AUTOBOOT_KEYED - default n + help + This option allows a string to be entered into U-Boot to stop the + autoboot. The string itself is hashed and compared against the hash + in the environment variable 'bootstopkeysha256'. If it matches then + boot stops and a command-line prompt is presented. + + This provides a way to ship a secure production device which can also + be accessed at the U-Boot command line. config AUTOBOOT_DELAY_STR string "Delay autobooting via specific input key / string" |