This is an old revision of the document!
All crypto is just as strong as your password.
There are different philosophies… but one everyone is sure about:
The longer, the better.
https://xkcd.com/936 (maybe someone wants to add the comic direcly in here?)
- Do not use the same password everywhere!
- Have at least different security-levels in passwords, e.g. a basic one for strange webservices you dont trust at all, some more, and at the end the strongest one in different combinations for you most important things!)
- Do not use any words from a dictionary!
- This can be discussed, see e.g. the comic
- Add some special characters!
- This can be discussed, see e.g. the comic
- A good thing is to mix up languages and letters in one sentence.
You find a nice text and how-to here: https://securityinabox.org/en/chapter-3