1 files changed, 11 insertions, 0 deletions
diff --git a/src/hash/sha01.h b/src/hash/sha01.h
index 8ad31ab..7c37115 100644
--- a/src/hash/sha01.h
+++ b/src/hash/sha01.h
@@ -1,4 +1,15 @@
 #include "../lua.h"
+#include <stdint.h>
+
+/**
+ * calculates a sha1 (or 0) of bytes
+ *  
+ * @param {uint8_t} version (1 or 0)
+ * @param {char*} output stream
+ * @param {const char*} input bytes
+ * @return {void}
+*/
+void i_sha01(uint8_t, char*, const char*);
 
 int l_sha1(lua_State*);
 int l_sha0(lua_State*);