Re: [Tigervnc-devel] Can vncpasswd accept encrypted password?

2012-12-07 Thread jupiter
Thanks DRC. That works well.

Cheers.



On 12/3/12, DRC  wrote:
> Why would vncpasswd need to accept an encrypted password?  vncpasswd's
> only purpose is to encrypt a plain text password and write it to a file.
>   If you already have an encrypted password, just write it directly to
> the VNC password file instead.
>
> VNC uses DES3 to encrypt passwords for VNC Password Authentication.
> DES3 is not a particularly strong form of encryption by today's
> standards.  If you want more specifics about the algorithms, I direct
> you to the source code (it is open, after all.)

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Re: [Tigervnc-devel] Can vncpasswd accept encrypted password?

2012-12-04 Thread Pierre Ossman
On Mon, 3 Dec 2012 16:53:58 +1100
jupiter  wrote:

> Hi,
> 
> Can vncpasswd accept an encrypted password?
> 
> What is the password encryption scheme used in tigerVNC? It does not
> look like the encrypted password used by CentOS or other Linux system.
> 

If your question is if you can take the password data from /etc/passwd
(or /etc/shadow) and put it in the vnc password file, then the answer
is no. The algorithms are different, so it's not compatible.

But TigerVNC supports PAM authentication, which will allow users to log
in using their normal password.

Rgds
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A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?


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Re: [Tigervnc-devel] Can vncpasswd accept encrypted password?

2012-12-02 Thread DRC
Why would vncpasswd need to accept an encrypted password?  vncpasswd's 
only purpose is to encrypt a plain text password and write it to a file. 
  If you already have an encrypted password, just write it directly to 
the VNC password file instead.

VNC uses DES3 to encrypt passwords for VNC Password Authentication. 
DES3 is not a particularly strong form of encryption by today's 
standards.  If you want more specifics about the algorithms, I direct 
you to the source code (it is open, after all.)


On 12/2/12 11:53 PM, jupiter wrote:
> Hi,
>
> Can vncpasswd accept an encrypted password?
>
> What is the password encryption scheme used in tigerVNC? It does not
> look like the encrypted password used by CentOS or other Linux system.
>
> Thank you.
>
> Kind regards
>
> hce
>
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