1 files changed, 10 insertions, 0 deletions
diff --git a/src/hash/sha2xx.h b/src/hash/sha2xx.h
index cfd64ac..a15aca6 100644
--- a/src/hash/sha2xx.h
+++ b/src/hash/sha2xx.h
@@ -4,5 +4,15 @@ enum version {
     sha256, sha224
 };
 
+/**
+ * calculates a sha2 hash of bytes
+ *
+ * @param {enum version} version to use
+ * @param {char*} output stream 
+ * @param {char*} input bytes
+ * @return {void}
+*/
+void i_sha2xx(enum version, char* out_stream, char* input);
+
 int l_sha256(lua_State*);
 int l_sha224(lua_State*);