Horse Battery Staple is easy to remember but hard to type. These passwords improve on that.
They are easy to remember, unambiguous in print and quick to type.
- Use 2 blocks of 4 letters for a reasonably secure password.
- Use 3 blocks for a password which should survive an attack with all smartphones on the planet until at least 2021.
- Use 9 blocks to foil the plans of a type 2 civilization on the Kardashev scale.
For a security estimate of the generated passwords and additional documentation see http://www.draketo.de/english/secure-passwords.