## They wont shut up!

8 posts • Page 1 of 1
eman7613
Posts: 597
Joined: Sat Sep 16, 2006 2:52 pm

### They wont shut up!

Yes i know, my spelling sucks

neepneep
Posts: 413
Joined: Wed Jun 28, 2006 10:21 am
woaoh eman - you better lay off the frosties

eman7613
Posts: 597
Joined: Sat Sep 16, 2006 2:52 pm
This was inspired by a simple program i wrote. How this happend.

1. Need something fun to do, tv is out.
2. Generate and write every posible password from a 72 charecter set
------"How big could it be any way? its just text!" i think to myself
3. Run aplication, walk away, come back its done (didn't time it )
4. Double click the new textfile on my desktop...work crashes on opening WTF?
5. Right click properties on file.... 10.8GB...... okkkayyy.
6. Find progam that can open file, amazingly there is.
7. Begin opening file, it has now been opening for 2 minutes, it reads 825 MILLION lines (and i wrote one password to each line) and it is still going up.
8. Stare at the numbers as they go up, for if i try to scroll the document while it is being opend, it will crash on me.
9. cry a little inside.
Yes i know, my spelling sucks

Dacksoldier
Posts: 101
Joined: Mon Apr 02, 2007 1:38 pm
umm wow what are the longest password or are the all the same length? becuase if they are all like 72 just imagine 256 or 1024

Maluminas
Posts: 148
Joined: Fri Aug 18, 2006 11:06 am
You could have calculated the possibilities easily with Combinatorics.

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

Since passwords are unique and the order of characters matters but each character can be used more than once in each combination, the equation is very simple. Lets say your passwords were 7 characters long, with a choice of 72 characters:

72^7=10,030,613,004,288 possibilities.

If not all the passwords are the same length you would just add the possibilities for each lengths:

72^1+72^2+72^3+72^4=27,252,360 possibilities.

So ya... next time do a little math to prevent your hard drive from crashing and burning lol

Kram1032
Posts: 6649
Joined: Tue Jan 23, 2007 3:55 am
Location: Austria near Vienna
72^72 = possibilities, when you use 72 symbols with 72 positions = 53449019547361999534025300140057538544940601393106611570269540644280818850419033099696863861289188541180498511377339362341642322313216

btw: I can't really see the pic
Last edited by Kram1032 on Thu May 03, 2007 1:52 am, edited 1 time in total.

alex22
Posts: 171
Joined: Thu Apr 12, 2007 12:07 pm
Location: Germany
Which Programm can calculate such long numbers?

eman7613
Posts: 597
Joined: Sat Sep 16, 2006 2:52 pm
I knew that, and i had done it before hand, but i didn't think the text file would be so HUGE.
Yes i know, my spelling sucks

8 posts • Page 1 of 1

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