Here is some code you could use to take a plain text password, and encrypt it using a string. All/much of this code was taken from the first camel book: 
   # Generate a Salt
   $fullname = "Users Name";
   $now = time;
   ($pert1, $pert2) = unpack("C2", "$fullname");
   $week = $now / (60*60*24*7) + $pert1 + $pert2;
   $salt = ($week % 64) + ($now % 64);
   $salt = sprintf("%lx", $salt);

   # Use crypt to encrypt our password
   $passwd = crypt($password, $salt);

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This works, however, I don't believe it to be incredibly secure. It first creates what's called a salt, and uses feeds that into the crypt function. Also, since this came from camel 1, be sure to add in the "my" statements where appropriate :-)

Hopefully, that will get you started. However, you should look into a better way then this to do it, I just happened to have this code laying around :-)
-Eric

Update: Camel 3 suggests another way to generate a salt -- simply do this: 
my $salt = join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand
+ 64];
my $passwd = crypt($password, $salt);

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I think that looks much nicer :-) That'll give you the encrypted password in a string. All you need to do then is figure out how to do the actual password update. Perhaps there is a system call for this? If not, you could always pipe it into the UNIX passwd command :-) HTH

In reply to Re: How do I encrypt an Unix password? by andreychek
in thread How do I encrypt an Unix password? by Anonymous Monk

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