Breaking an encrypted file

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Article #937

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#937

From: 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

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Message-ID: <Jan.8.14.52.25.1993.25723@aramis.rutgers.edu>

Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!rutgers!igor.rutgers.edu!aramis.rutgers.edu!watrous

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Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!rutgers!igor.rutgers.edu!aramis.rutgers.edu!watrous
From: watrous@aramis.rutgers.edu (Don Watrous)
Newsgroups: comp.security.misc,alt.security
Subject: Breaking an encrypted file
Keywords: crypt, password forgotten, first words known
Message-ID: <Jan.8.14.52.25.1993.25723@aramis.rutgers.edu>
Date: 8 Jan 93 19:52:25 GMT
Followup-To: comp.security.misc
Organization: Rutgers Univ., New Brunswick, N.J.
Lines: 13
Cc: watrous