+3.11:
+ Fixed PEP247 typing stub with invalid hexdigest method.
+
+3.10:
+ Additional missing 34.11-* typing stubs.
+
+3.9:
+ Add missing 34.11-2012 PBKDF2 typing stub.
+
3.8:
* 34.11-2012 based PBKDF2 function added
+ * 34.13-2015 does not require double blocksized IVs
3.7:
Fixed 34.13-2015 OFB bug with IVs longer than 2 blocks.