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-rw-r--r--Kconfig4
1 files changed, 3 insertions, 1 deletions
diff --git a/Kconfig b/Kconfig
index 75bab7f6cc..fb012cfb3e 100644
--- a/Kconfig
+++ b/Kconfig
@@ -141,7 +141,9 @@ config FIT_SIGNATURE
select RSA
help
This option enables signature verification of FIT uImages,
- using a hash signed and verified using RSA.
+ using a hash signed and verified using RSA. If
+ CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive
+ hashing is available using hardware, RSA library will use it.
See doc/uImage.FIT/signature.txt for more details.
config SYS_EXTRA_OPTIONS