Increase hamming distance by changing UECC_SUCCESS from 0 to FFAAAA
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/include/tinycrypt/ecc.h b/include/tinycrypt/ecc.h
index 57aa508..4c20729 100644
--- a/include/tinycrypt/ecc.h
+++ b/include/tinycrypt/ecc.h
@@ -85,7 +85,7 @@
/* Return values for functions, chosen with large Hamming distances between
* them (especially to SUCESS) to mitigate the impact of fault injection
* attacks flipping a low number of bits. */
-#define UECC_SUCCESS 0
+#define UECC_SUCCESS 0x00FFAAAA
#define UECC_FAILURE 0x75555555
#define UECC_FAULT_DETECTED 0x7aaaaaaa