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'Password' you swallow in a pill
- Thread starter pwsincd
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You can limit any bruteforce tool to use a specific set of keyboard strokes and you just told the world how to hack yours - by using numbers only.
EDIT: Nevermind, I get your method now - you meant a phone-like keypad.
Yeah, even if the hacker somehow knows I only used the numbers 1-9, due to the sheer length of the password it's pretty much impossible to brute-force.
For example, a standard, secure password of 12 letters long (that few people I know actually use anyway) would take 647630 years at 30 billion (3x10^10) guesses per second.
However this is hard to remember in most cases, and trying to use different passwords in a dozen different places all 12+ letters long requires a good memory.
Using the method I suggested above it's stupidly easy to come up with a password consisting of over 40 numbers by remembering 5 or more letters to 'draw out'. This would take a massive 15623290780308845268 years to crack at 30 billion per second. (Going purely on (9^40)/(30x10^10).[/quote]
You're a little too optymistic - 12-digit passwords (12 spaces, 10 possible digits from 0 to 9, if I'm counting something wrong, enlighten me.Yeah, even if the hacker somehow knows I only used the numbers 1-9, due to the sheer length of the password it's pretty much impossible to brute-force.
For example, a standard, secure password of 12 letters long (that few people I know actually use anyway) would take 647630 years at 30 billion (3x10^10) guesses per second.
However this is hard to remember in most cases, and trying to use different passwords in a dozen different places all 12+ letters long requires a good memory.
Using the method I suggested above it's stupidly easy to come up with a password consisting of over 40 numbers by remembering 5 or more letters to 'draw out'. This would take a massive 15623290780308845268 years to crack at 30 billion per second. (Going purely on (9^40)/(30x10^10).
) have 239500800 possible permutations. At 1 try per second, it would techically take a little over 7 years to check all the passwords, but:- This number decreases drastically if the attacker uses proxies
- You cannot assume that the bruteforcer won't find the password half-way through its work
10^12 or 1000000000000 possible combinations. Are you discounting the numbers with too many repeating digits?You're a little too optymistic - 12-digit passwords (12 spaces, 10 possible digits from 0 to 9, if I'm counting something wrong, enlighten me.
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For the standard 12 digit I was assuming 96 keyboard characters (96^12).You're a little too optymistic - 12-digit passwords (12 spaces, 10 possible digits from 0 to 9, if I'm counting something wrong, enlighten me.
...but yeah, it's pretty secure and bruteforcing would take a considerable amount of time - it'd probably be easier to phish the password out somehow.
- This number decreases drastically if the attacker uses proxies
- You cannot assume that the bruteforcer won't find the password half-way through its work
So for the keypad suggestion that is 9^40 (if you discount 0).
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