1 files changed, 1 insertions, 0 deletions
diff --git a/validate.h b/validate.h
index 2122165d..29ab5c7b 100644
--- a/validate.h
+++ b/validate.h
@@ -88,6 +88,7 @@ bool ValidateLEA();
 bool ValidateCamellia();
 
 bool ValidateHC128();
+bool ValidateHC256();
 bool ValidateRabbit();
 bool ValidateSalsa();
 bool ValidateSosemanuk();