l i n u x - u s e r s - g r o u p - o f - d a v i s
L U G O D
 
Next Meeting:
April 21: Google Glass
Next Installfest:
TBD
Latest News:
Mar. 18: Google Glass at LUGOD's April meeting
Page last updated:
2001 Dec 30 16:57

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
Re: [vox-tech] password question
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vox-tech] password question



On Wed, Oct 18, 2000 at 02:11:39PM -0700, Peter Jay Salzman wrote:
> ok, ok, if i did use crypt()  (and this is why i was avoiding it)...
> 
>        #include <crypt.h>
>        char *crypt(const char *key, const char *salt);
> 
> key is the plaintext password.  from the man page,
> 
>      salt  is  a  two-character  string  chosen  from  the  set
>        [a-zA-Z0-9./].  This string is used to perturb  the  algo-
>        rithm in one of 4096 different ways.
> 
> so salt is a two character string.   but scrolling down,
> 
>        If  the salt starts with $1$ an MD5 based password hashing
>        algoritm is applied. The salt should consist off $1$  fol-
>        lowed with eight characters.
> 
> so just to be clear, if i wanted old style DES encryption, i'd supply a 2
> character salt, but if i wanted md5 style encryption, i'd supply an 8
> character salt?  (and both salts are null terminated strings).
> 
> pete
> 
> 
> On Wed, 18 Oct 2000, Peter Jay Salzman wrote:
> 
> > i was hoping to avoid that...
> > 
> > pete
> > 
> > > You could just write your own - see crypt(3).
> > > 
> > > Micah
> > > 
> > > 
> > 
> > 

Actually, I guess I wasn't thinking.  My version of crypt() doesn't do
anything but DES.  If yours does MD5, kewl.

Micah


LinkedIn
LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
facebook
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
Sunset Systems
Who graciously hosts our website & mailing lists!