Re: How many characters to make Winzip AES 256 unbreakable?
- From: Arthur T. <arthur@xxxxxxxxxxxxxx>
- Date: Sat, 13 May 2006 21:44:52 -0400
In Message-ID:<Xns97C2C5EBF7A9764A18E@xxxxxxxxx>,
Zak <duff@xxxxxxxxxxxxxx> wrote:
If I use a password made up of ordinary characters (A-Z, a-z, 0-9) with
no specials then how many characters do I need to use to make AES 256
uncrackable by a brute force attack?
Well, to make your password not the weak point, you need 43
totally random characters.
Here's how that's figured:
AES256 uses a 256-bit key. There are, therefore, 2**256 possible
keys.
26+26+10=62
62**43 is approximately 2**256
--
Arthur T. - ar23hur "at" intergate "dot" com
Looking for a good MVS systems programmer position
.
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