Breaking an encrypted file

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3 total messages Started by Don Watrous Fri, 08 Jan 1993 19:52

#937

Author: Don Watrous
Date: Fri, 08 Jan 1993 19:52

13 lines
890 bytes

I have a user who has encrypted a file using the unix crypt program
and then forgotten the password.  She's pretty sure she knows what the
first line of the file looks like since it was saved mail.

What software is available to try and decrypt the file and how much
effort will be involved?

Thanks,
Don Watrous
SysAdmin, cs.rutgers.edu
-- 
{backbone}!cs.rutgers.edu!watrous        watrous@cs.rutgers.edu

Re: Breaking an encrypted file

#940

Author: John Ioannidis
Date: Sat, 09 Jan 1993 06:07

14 lines
1073 bytes

In article <Jan.8.14.52.25.1993.25723@aramis.rutgers.edu> watrous@aramis.rutgers.edu (Don Watrous) writes:
>
>I have a user who has encrypted a file using the unix crypt program
>and then forgotten the password.  She's pretty sure she knows what the
>first line of the file looks like since it was saved mail.
>
>What software is available to try and decrypt the file and how much
>effort will be involved?
>

cwb, the crypt-breaker's workbench, was posted a while back on
comp.sources.unix or comp.sources.misc. Check the archives on uunet.

/ji

Re: Breaking an encrypted file

#942

Author: Massimo Cotrozzi
Date: Sat, 09 Jan 1993 13:48

18 lines
1192 bytes

watrous@aramis.rutgers.edu (Don Watrous) writes:


>I have a user who has encrypted a file using the unix crypt program
>and then forgotten the password.  She's pretty sure she knows what the
>first line of the file looks like since it was saved mail.

>What software is available to try and decrypt the file and how much
>effort will be involved?
try Crypt Breaker's Workbench. It will need some user effort,
but since she knows what it should look like, it will be not so
difficult. Unfortunately, I don't remember where to find cbw.

Massimo
-- 
 -- Massimo Cotrozzi  Computer Science Dept. Milan Italy
            cotrozzi@ghost.dsi.unimi.it  +39-2-27201253
 #include     "std/disclaimer.h"

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