> The cool thing about a signed secure e-mail message is that you get
> non-repudiation.  If at a later time company B tells company A, hey I
never
> sent you a Purchase Order for 1 million widgets..  company A can show them
> the signed secure e-mail message that they received the PO in.  It would
be
> harder to do something like that over http.

Thats not non-repudiation (or at least my understanding of it).
Non-repudiation also provides for company B knowing that company A received
it so that if company B doesn't fill the PO company A can say "I know you
received it".

nonetheless signed soap messages do (in theory) fill that hole in SOAP/SMTP
...

cheers
dim

>
> Regards,
> Hiram
>
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:jboss-development-admin@;lists.sourceforge.net]On Behalf Of Matt
> > Munz
> > Sent: Thursday, November 14, 2002 10:55 AM
> > To: [EMAIL PROTECTED]
> > Subject: RE: [JBoss-dev] jboss.net email transport
> >
> >
> > Jason,
> >
> >   Well, you've peaked my interest...
> >
> > > This method(with digital signatures/encryption) would be more secure
> > > than the Http(s) transport,
> >
> > Really?  Any articles on the subject?
> >
> > > Authentication would be near definite
> > > (rather hard to fake),
> >
> > Is there something in the mail protocol that facilitates this?
> > I'd love to
> > see a strong argument for "email is more secure than https"...
> >
> > > the server would not be exposed to the big bad
> > > internet,
> >
> > Hmmm.  Email attacks are fairly common.  Email is, by definition,
> > a part of
> > the internet.  I'm not sure where you're going with this...
> >
> > > and the company's IT guys don't have to set up a VPN to every
> > > outside source that needs to update data in the server.
> >
> > VPNs are bad ;)  What's wrong with the tried and true "poking a
> > hole in the
> > firewall" technique?  What about https?
> >
> > Is the idea that "they have to have email anyway, so let's just
> > tunnel over
> > that"?  Wasn't this same argument used for HTTP tunnelling?
> >
> >   - Matt
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:jboss-development-admin@;lists.sourceforge.net]On Behalf Of Jason
> > Essington
> > Sent: Thursday, November 14, 2002 10:33 AM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [JBoss-dev] jboss.net email transport
> >
> >
> > Hi Matt,
> >
> > Given an instance where a company would place a server on its intranet
> > (behind a firewall that does not allow incoming connections from the
> > internet).
> >
> > Now, If this company wanted to receive periodic updates to some
> > semi-static data (iso country codes for instance) from a source on the
> > internet. This source would need a VPN to get through the companies
> > firewall (major hassle if this source has to update many servers, or if
> > the company needs data updated from many different sources) or it could
> > send a Signed and possibly Encrypted email to a mail account the
> > company has set up for the server. The server checks it's email at a
> > configured interval and processes any soap messages it finds there. The
> > digital signature is used for message verification and authentication,
> > while encryption could be used to protect sensitive parts of the
> > message. The message is processed and it's response (or fault) is
> > returned to the original sender via the mail server.
> >
> > This method(with digital signatures/encryption) would be more secure
> > than the Http(s) transport, Authentication would be near definite
> > (rather hard to fake), the server would not be exposed to the big bad
> > internet, and the company's IT guys don't have to set up a VPN to every
> > outside source that needs to update data in the server.
> >
> > All in all, and email transport with digital signatures and encryption
> > has quite a bit of promise as a secure way to allow data to pass
> > through/around a firewall without too much extra hassle. There would
> > need to be a mechanism for key exchange, but no work on the part of IT.
> >
> > -jason
> >
> > On Thursday, November 14, 2002, at 07:21  AM, Matt Munz wrote:
> >
> > > Jason,
> > >
> > >   Just out of curiosity, what would you use this for?
> > >
> > >   - Matt
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:jboss-development-admin@;lists.sourceforge.net]On Behalf Of
> > > Jason
> > > Essington
> > > Sent: Wednesday, November 13, 2002 5:48 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: [JBoss-dev] jboss.net email transport
> > >
> > >
> > > Hi all
> > >
> > > I have managed to get a fairly crude email transport working in
> > > jboss.net (It is lurking in head). I would appreciate any comments /
> > > design ideas from folks who are interested.
> > >
> > > Check the javadocs in org.jboss.net.axis.mail.MailTransportService to
> > > see how to set it up.
> > >
> > > It will currently process emails with simple soap messages (no
> > > attachments). It requires the content type to be application/soap+xml
> > > with the action attribute set to the desired service.
> > >
> > > i.e. content-type: application/soap+xml; action=SomeService
> > >
> > > The response message is returned to the sender via email.
> > >
> > > Since email doesn't really have any type of authentication framework
> > > the transport will only work with ejb's / ejb methods's that have
> > > unchecked permissions.
> > >
> > > I have been able to sign (DSA) a soap message using apache's
> > > xml-security library and have jboss.net verify the signature (I
haven't
> > > submitted this handler yet, as it depends on the apache xml-security
> > > library that would have to be added to the thirdparty libs).
> > >
> > > I think this is the first step to some sort of authentication via
email
> > > (and cryptographic authentication by other transports as well). but .
.
> > > .
> > > I haven't figured out how to go about trusting a given signature and
> > > mapping it to a Subject. This is where I could use the help of someone
> > > with a better knowledge of jaas and JBossSX than myself.
> > >
> > > Thanks for any feedback
> > >
> > > -jason
> > >
> > >
> > >
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> >
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