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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Darren:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Sorry about the previous email, I was only
trying to give an example of the algorithm used to generate the encoded
password, not suggesting you write it in Java. With the Crypt::PasswdMD5
module, it’s very simple. You just had one thing missing. I trimmed the
program down to give just what you needed, here it the example:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>my $plainfromuser = 'swhaga';<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'># from getpwd()<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>$passwd = '$1$XHjgqURT$QW0eZNAONaXd2XPqkxwce1';<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>use Crypt::PasswdMD5;<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>my $md5salt = (split(/\$/, $passwd))[2];<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'># $1$ designates 'unix' md5 crypt<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'># MD5 salt, should be the (up to) 8 chars in between
$'s in the encoded passwd,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'># see Crypt::PasswdMD5 source code for details<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>my $xpass = unix_md5_crypt($plainfromuser,
$md5salt);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>print "MD5salt: $md5salt\n";<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>print "passwd " . $passwd .
"\n";<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>print "MD5 Crypt pass " . $xpass .
"\n";<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Jess<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> chicago-talk-bounces+jbalint=gmail.com@pm.org
[mailto:chicago-talk-bounces+jbalint=gmail.com@pm.org] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Richard Reina<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, March 13, 2006 10:19
AM<br>
<b><span style='font-weight:bold'>To:</span></b> lembark@wrkhors.com;
chicago-talk@mail.pm.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Chicago-talk]
accessing <st1:City w:st="on"><st1:place w:st="on">NIS</st1:place></st1:City>
password</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Dear Steve,<br>
<br>
Thank you very much for the reply. The articles returned in your search
highlight some of the differences between crypt, MD5 and blowfish encryption,
chiefly which versions of *nix use which and how to encrypt a raw
password. I have incorporated those encryption schemes into the script
below and while the results are very interesting none of them match the linux
password returned by getpwnam() for the given user -- which is not the x
shadow.<br>
<br>
#!/usr/bin/perl5 -w<br>
<br>
my $username = 'gerald';<br>
my $plainfromuser = 'swhaga';<br>
my $currentsalt;<br>
<br>
my ($name, $passwd, $uid, $gid, $quota, $comment,<br>
$gcos, $dir, $shell) = getpwnam($username);<br>
<br>
# crypt salt<br>
$currentsalt = substr($passwd,0,2);<br>
<br>
# 8 random chars<br>
my $key = "justakey";<br>
<br>
my $cpass = crypt($plainfromuser, $currentsalt);<br>
<br>
use Crypt::PasswdMD5;<br>
<br>
my $xpass = unix_md5_crypt($plainfromuser, '$1$', $currentsalt);<br>
<br>
my $ypass = crypt($plainfromuser, '$1$' . $key);<br>
<br>
use Digest::MD5 qw(md5_base64);<br>
<br>
my $zpass = $currentsalt . md5_base64("$currentsalt/$plainfromuser/$key");<br>
<br>
print
"passwd
" . $passwd . "\n";<br>
print "Crypt pass
" . $cpass . "\n";<br>
print "MD5 Crypt pass " . $xpass .
"\n";<br>
print "Crypt pass MD5 salt " . $ypass . "\n";<br>
print "MD5_base64 pass " . $zpass . "\n";<br>
<br>
******************************************************<br>
results<br>
******************************************************<br>
passwd
$1$XHjgqURT$QW0eZNAONaXd2XPqkxwce1<br>
Crypt
pass
$1ayHHS8s0NWw<br>
MD5 Crypt pass
$1$$lCe7AyTRcjUyl7Fdn1T4g0<br>
Crypt pass MD5 salt
$1$justakey$uxo5dkFTrnz.u7gtyf/QQ.<br>
MD5_base64
pass
$14RkT9PfSsSaSoWswj/JaDg<br>
<br>
As one can see none of the encyptions match the encypted password that I myself
have set up for the bogus user "gerald" on our system. Any help
would be greatly appreicated.<br>
<br>
Thank you for your attention.<br>
<br>
Richard<br>
<br>
<br>
<br>
A people that values its privileges above its principles soon loses both.<br>
-Dwight D. Eisenhower.<o:p></o:p></span></font></p>
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