diff options
| author | Michael Walle <michael@walle.cc> | 2020-06-27 23:58:53 +0300 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-07-27 11:46:29 +0300 |
| commit | ea95f2142e94bfb68c61e5724616f9949b974a4c (patch) | |
| tree | fb916a55959c59d0407cb515cea9402567c6a958 /drivers/crypto/fsl/Kconfig | |
| parent | b980f9e2597b52ce71247e79d534349f7d174b38 (diff) | |
| download | u-boot-ea95f2142e94bfb68c61e5724616f9949b974a4c.tar.xz | |
crypto/fsl: add RNG support
Register the random number generator with the rng subsystem in u-boot.
This way it can be used by EFI as well as for the 'rng' command.
Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'drivers/crypto/fsl/Kconfig')
| -rw-r--r-- | drivers/crypto/fsl/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/crypto/fsl/Kconfig b/drivers/crypto/fsl/Kconfig index 181a1e5e99..5ed6140da3 100644 --- a/drivers/crypto/fsl/Kconfig +++ b/drivers/crypto/fsl/Kconfig @@ -45,3 +45,17 @@ config SYS_FSL_SEC_COMPAT config SYS_FSL_SEC_LE bool "Little-endian access to Freescale Secure Boot" + +if FSL_CAAM + +config FSL_CAAM_RNG + bool "Enable Random Number Generator support" + depends on DM_RNG + default y + help + Enable support for the hardware based random number generator + module of the CAAM. The random data is fetched from the DRGB + using the prediction resistance flag which means the DRGB is + reseeded from the TRNG every time random data is generated. + +endif |