Friday, December 16, 2011

RE: password generator

Steve Hall wrote:
> The best passwords include the most character possibilities.
> This crazy notion websites/software have of restricting them
> to certain characters or counts only means less security
> because they are more easily guessed.

Off topic for Vim, but it's worth knowing that length
compensates for the use of a small character set.

One of the best systems is Diceware where you use a random
number generator (a set of dice) to pick a word from a publicly
available list of 7776 words. Your only decision is how many
words to pick. Each word is equivalent to 12.9 random bits, so
five words is the same as picking 8 random characters, each of
which ranges from 0 to 255 (64 random bits).

The five words are longer than 8 characters, but easier to
remember and to type.

http://en.wikipedia.org/wiki/Diceware

John

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