common: Kconfig.boot: add config SPL_FIT_RSASSA_PSS

The padding pss is only supported on u-boot and tools since
commit 68e41a1f79c1 ("image: Use Kconfig to enable FIT_RSASSA_PSS on host")

This commit adds the config SPL_FIT_RSASSA_PSS to support
the padding pss in the SPL.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/common/Kconfig.boot b/common/Kconfig.boot
index 9b84a8d005f78c73ef2a555e374ce9b6a6dfab56..c948d58094c7e995b21d6ffff375afd02e2fb7b2 100644 (file)
--- a/common/Kconfig.boot
+++ b/common/Kconfig.boot
@@ -175,6 +175,13 @@ config SPL_FIT_SIGNATURE_MAX_SIZE
          device memory. Assure this size does not extend past expected storage
          space.
 
+config SPL_FIT_RSASSA_PSS
+       bool "Support rsassa-pss signature scheme of FIT image contents in SPL"
+       depends on SPL_FIT_SIGNATURE
+       help
+         Enable this to support the pss padding algorithm as described
+         in the rfc8017 (https://tools.ietf.org/html/rfc8017) in SPL.
+
 config SPL_LOAD_FIT
        bool "Enable SPL loading U-Boot as a FIT (basic fitImage features)"
        select SPL_FIT