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Diffstat (limited to 'common/Kconfig')
| -rw-r--r-- | common/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/common/Kconfig b/common/Kconfig index a7c5ba27..4e40692c 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -962,6 +962,20 @@ config TPL_HASH and the algorithms it supports are defined in common/hash.c. See also CMD_HASH for command-line access. +config BOARD_RNG_SEED + bool "Provide /chosen/rng-seed property to the linux kernel" + help + Selecting this option requires the board to define a + board_rng_seed() function, which should return a buffer + which will be used to populate the /chosen/rng-seed property + in the device tree for the OS being booted. + + It is up to the board code (and more generally the whole + BSP) where and how to store (or generate) such a seed, how + to ensure a given seed is only used once, how to create a + new seed for use on subsequent boots, and whether or not the + kernel should account any entropy from the given seed. + endmenu menu "Update support" |