Here's my quick stab at it, as i could take advantage on a better random expression.
The repository is located here: http://git.machina.hr/c2plugins/Crypto-API
Documentation is located on wiki pages: http://git.machina.hr/c2plugins/Crypto-API/wikis/home
If you're not into git and contributing to this simple and immature plugin, just download whole repository as a zip (button located on right side). A simple test and a .c2addon file included in the repo.
Released under MIT license.