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-rw-r--r--doc/uImage.FIT/signature.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/uImage.FIT/signature.txt b/doc/uImage.FIT/signature.txt
index b6707417ff6..240244b30e6 100644
--- a/doc/uImage.FIT/signature.txt
+++ b/doc/uImage.FIT/signature.txt
@@ -439,6 +439,7 @@ be enabled:
CONFIG_FIT_SIGNATURE - enable signing and verification in FITs
CONFIG_RSA - enable RSA algorithm for signing
+CONFIG_ECDSA - enable ECDSA algorithm for signing
WARNING: When relying on signed FIT images with required signature check
the legacy image format is default disabled by not defining