Here's one I wrote that wraps the algorithm with passwords https://github.com/ryancdotorg/threshcrypt https://github.com/ryancdotorg/threshcrypt and you can set

Here's one I wrote that wraps the algorithm with passwords https://github.com/ryancdotorg/threshcrypt https://github.com/ryancdotorg/threshcrypt and you can set the same password multiple times to accomplish the second 'advanced scenario'.