12-17-2008
Quote:
Originally Posted by
newbewie
Hi,
I lost my password on few critical sun servers, I have root password though
I don't want to change my password but for some reasons I would like to decrypt my exiting password. Is it possbile and if yes how?
Thanks a million in advance
NO.
the password is stored as a one-way hash.
there is no decrypt becasue it is not encrypted as such.
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MKPASSWD(8) System Manager's Manual MKPASSWD(8)
NAME
mkpasswd - generate hashed password table
SYNOPSIS
mkpasswd [ -p ] passwdfile
DESCRIPTION
Mkpasswd is used to generated the hashed password database used by the password library routines (see getpwent(3)).
The file passwdfile must be in password file format (see passwd(5)). Mkpasswd generates database files named ``passwdfile.pag'' and
``passwdfile.dir'' (see ndbm(3)). Data subsequently taken from the database files differ from passwdfile in one respect. Rather than
storing the encrypted password in the database, mkpasswd stores the offset of the encrypted password in passwdfile.
Mkpasswd exits zero on success, non-zero on failure.
The -p option causes mkpasswd to create ``passwdfile.orig'', a password file in the standard Version 7 format.
SEE ALSO
chpass(1), passwd(1), getpwent(3), ndbm(3), passwd(5), vipw(8)
4.3 Berkeley Distribution February 22, 1989 MKPASSWD(8)