this post was submitted on 19 Jan 2024
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For symmetric keys, since they cannot be weakened using quantum computing, their strength can be assessed by their bit-equivalent amount of entropy:
Those are equivalent to, respectively:
Moral of the story: drop the special characters, and even the numbers... and even the uppercase. A 30+ character long all-lowercase pass phrase, is already unbreakable.
Check @falsemirror@beehaw.org:
...is already over 128 bits.
PS: Correct horse battery staple