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Re: SEEK: freeware to decrypt password-protected Winzip files
de Al Klein 06/20/2006 04:45
On Tue, 20 Jun 2006 10:40:04 +0100, Franklin <franksays@nomail.com>
wrote:
>Hi Jimbok, I don't want to crack the file!
>
>Please see a clearer explanation of what I want in the post I made to
>Dave Turner in this thread. <news:Xns97E81AE10E52F8FCE1@127.0.0.1>
>
>It is because AES is so good that I am using it to encrypt the file.
>
>However I need a freeware util for my recipient to be able to open it
>using my password. Seems they have trouble using whatever zip util
>it is that they have on their machine.
If you encrypted it using Winzip and they can't open it using Winzip,
the file is corrupt. That means that it can't be "opened", it can
only be cracked, assuming that only the password was corrupted.
If your recipient is trying to open the file some other way, that's
the problem. The solution is to have your recipient open the file
with Winzip.
There's no "utility" that can "open" a file that was encrypted with
AES - it has to be cracked. If there were utilities that could open
it, what good would the encryption be? And, as Terry Russell already
said, unless your recipient is very lucky, the universe won't last
long enough, with current computing power, to crack the file. (Of
course, in a thousand years or so, computers will probably be powerful
enough that AES256 will be as difficult to break as a piece of wet
tissue. But that won't do your recipient any good.)