PAND MAN file lists the following options regarding security:
--encrypt -E
Enable encryption
--secure -S
Secure connection
The PAND howto (http://bluez.sourceforge.net/contrib/HOWTO-PAN)
explains --encrypt as follows:
"activates BT security (authentication and encryption)"
so then what does the option --secure do?
If you use --encrypt I'm assuming
During initialization the paraphrase is sent (via the passkey-agent)
unencrypted (authentication) and after a PAND connection is finally
made only then is the data encrypted is this correct?
Regards,
Shane
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Marcel,
The paraphrase exchange is unencrypted correct? So I would really
need to come up with some method of security as it would be easy to
get the password by sniffing. I guess this is probably not a big
issue as I could use a gpg key or ssh style key and require some
encrypted ack message sent with gpg or ssh and if it is not encrypted
with the right key then just boot the connection. I would be
interested in hearing how others handle it. The only way this would
fail is if someone leaked one of the private keys.
Regards,
Shane
On Dec 12, 2007 10:49 AM, Marcel Holtmann <[email protected]> wrote:
> Hi Shane,
>
> > PAND MAN file lists the following options regarding security:
> > --encrypt -E
> > Enable encryption
> > --secure -S
> > Secure connection
> >
> > The PAND howto (http://bluez.sourceforge.net/contrib/HOWTO-PAN)
> > explains --encrypt as follows:
> > "activates BT security (authentication and encryption)"
> >
> > so then what does the option --secure do?
>
> the --encrypt does authentication and then encrypt the link. With the
> --secure you do the authentication, then encrypt the link and then make
> sure the link key will be re-generated. It is an extra step of
> protection since the link key itself has no expiration date.
>
> Regards
>
> Marcel
>
>
>
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Hi Shane,
> PAND MAN file lists the following options regarding security:
> --encrypt -E
> Enable encryption
> --secure -S
> Secure connection
>
> The PAND howto (http://bluez.sourceforge.net/contrib/HOWTO-PAN)
> explains --encrypt as follows:
> "activates BT security (authentication and encryption)"
>
> so then what does the option --secure do?
the --encrypt does authentication and then encrypt the link. With the
--secure you do the authentication, then encrypt the link and then make
sure the link key will be re-generated. It is an extra step of
protection since the link key itself has no expiration date.
Regards
Marcel
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