diff --git a/configure.ac b/configure.ac
index d89cee5..6caf4b9 100755
--- a/configure.ac
+++ b/configure.ac
@@ -108,6 +108,22 @@
 AS_IF([test "x$MANIFEST_FILE_NAME" == "x"], [MANIFEST_FILE_NAME="MANIFEST"])
 AC_DEFINE_UNQUOTED([MANIFEST_FILE_NAME], ["$MANIFEST_FILE_NAME"], [The name of the MANIFEST file])
 
+AC_ARG_VAR(PUBLICKEY_FILE_NAME, [The name of the public key file])
+AS_IF([test "x$PUBLICKEY_FILE_NAME" == "x"], [PUBLICKEY_FILE_NAME="publickey"])
+AC_DEFINE_UNQUOTED([PUBLICKEY_FILE_NAME], ["$PUBLICKEY_FILE_NAME"], [The name of the public key file])
+
+AC_ARG_VAR(HASH_FILE_NAME, [Hash file name])
+AS_IF([test "x$HASH_FILE_NAME" == "x"], [HASH_FILE_NAME="hashfunc"])
+AC_DEFINE_UNQUOTED([HASH_FILE_NAME], ["$HASH_FILE_NAME"], [The name of the hash file])
+
+AC_ARG_VAR(SIGNED_IMAGE_CONF_PATH, [Path of public key and hash function files])
+AS_IF([test "x$SIGNED_IMAGE_CONF_PATH" == "x"], [SIGNED_IMAGE_CONF_PATH="/etc/activationdata/"])
+AC_DEFINE_UNQUOTED([SIGNED_IMAGE_CONF_PATH], ["$SIGNED_IMAGE_CONF_PATH"], [Path of public key and hash function files])
+
+AC_ARG_VAR(SIGNATURE_FILE_EXT, [The extension of the Signature file])
+AS_IF([test "x$SIGNATURE_FILE_EXT" == "x"], [SIGNATURE_FILE_EXT=".sig"])
+AC_DEFINE_UNQUOTED([SIGNATURE_FILE_EXT], ["$SIGNATURE_FILE_EXT"], [The extension of the Signature file])
+
 AC_ARG_VAR(ACTIVE_BMC_MAX_ALLOWED, [The maximum allowed active BMC versions])
 AS_IF([test "x$ACTIVE_BMC_MAX_ALLOWED" == "x"], [ACTIVE_BMC_MAX_ALLOWED=2])
 AC_DEFINE_UNQUOTED([ACTIVE_BMC_MAX_ALLOWED], [$ACTIVE_BMC_MAX_ALLOWED],