IV default is an "all zero" string by default
tree2dda1f041eecfd6a9a03425a264fd9622c71cf85
-rw-r--r-- 52 .gitignore
-rw-r--r-- 2609 README
-rw-r--r-- 355 setup.py
drwxr-xr-x - src
drwxr-xr-x - test