On 05/12/12 06:24, Ken Kixmoeller (ProFox) wrote:
"abcdefghijklmnopqrstuvwxyz" = 48 quintillion years??? So long and obvious
is better?
[snip]
Obvious cannot be better, certainly not in a case where a human could be
watching the results of a crack unfolding on the screen. But, long is
very good.
In the days when it didn't attract so much importance, I always used
something fairly simple. A VFP function or two was a favourite choice
in those days.
These days our family uses the first letters of each word in a chosen
sentence. Take the first sentence of my last paragraph as an example.
It's 16 characters and would be substantially more difficult to crack.
The most critical aspect of not to have ANY recognizable word embedded
in your phrase.
ItdwidasmiIausfs
There isn't a recognizable word in it. Certainly not one you'd find in a
dictionary. And, notice, no punctuation to give away any hints.
Look at the stuff you have hanging on your wall in front of you. You'll
have sentences everywhere and it doesn't take long to learn a sentence
off by heart. Look to calendars, books, brochures, newspaper cuttings;
there will be all types of stuff. You can produce many totally
meaningless strings by using that method. The words of a sentence are
impossible to detect from a string of first letters, so any machine
attempting a crack would have to continue right through to the bitter end.
Take that last sentence I wrote. Twoasaitdfasoflsamaacwhtcrtttbe
It produces a delightful thirty-one character string. :-)
If taken from a calendar on the wall, any sentence would be very quick
and easy to learn.
GaryT
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