|
Re: SEEK: freeware to decrypt password-protected Winzip files
de Terry Russell 06/20/2006 11:26
"jimbok" <jimkelREMOVECAPS@frontiernet.net> wrote in message
news:nvre921fk3plkuh0iq0usddm2mfur6e382@4ax.com...
> On Tue, 20 Jun 2006 02:38:32 +0100, Franklin <franksays@nomail.com>
> wrote:
>
>
>>Which freeware which can open Winzip encypted files? And which method
>>of encryption (performed by Winzip) can they decrypt?
>>
>>Winzip can encrypt using:
>>(a) Zip 2.0
>>(b) 128-bit AES
>>(3) 256-bit AES.
>
> 128 bit AES has 340282366920938463463374607431768211456 possible keys.
> So, even if you could test one trillion keys per second, it would take
> a while. Do the math.
10,790,283,070,806,014,189 years
154,146,901,011,514,488 lifetimes
1,348,785,384 times the age of the universe
$3,938,453,320,844,195,178,985.37 (retail power cost) to run the computer
for that long
164,102,221,702 times the annual world GDP
:-)
of course thats brute force decryption, more elegant methods seek to shave
that time
a tad :-):-)