1 files changed, 16 insertions, 0 deletions
diff --git a/src/constants.h b/src/constants.h
new file mode 100644
index 0000000..a786023
--- /dev/null
+++ b/src/constants.h
@@ -0,0 +1,16 @@
+#ifndef CONSTANTS_H
+#define CONSTANTS_H
+
+#include <stdint.h>
+
+
+/* Tweakey permutation */
+extern const uint8_t h[8];
+
+/* Tweakey multiplication */
+extern const uint8_t P[6][256];
+
+/* Lilliput S-box */
+extern const uint8_t S[256];
+
+#endif /* CONSTANTS_H */