hash string function

src/string.py

@@ -0,0 +1,8 @@
+#! /usr/bin/env python3
+# vim:fenc=utf-8
+from hashlib import sha256
+
+def hash_string(string: str) -> str:
+    return sha256(string.encode('utf-8'),
+                  usedforsecurity=False).hexdigest()
+