Oliver,
This is a good description, except for one thing you said. Messages can
actually be signed using a location certificate. In fact, whenever
Argus is asked to encrypt a message, the message also gets signed.
This signing method, however, carries insufficient legal standing when
compared to signing with a 'little gadget'.
Oliver wrote:
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of
[EMAIL PROTECTED]
Sent: Wednesday, 6 December 2006 12:16 PM
But dont you need one of those little gadgets for the
computer from the HeSA
to enable Sending? ie a HeSA Certificate? Not just what
Argus sends.
No, you do not need one of HeSA's little gadgets in order to send
messages via Argus.
The little gadget is needed *only* if you want to digitally sign a
message.
Note that encryption and digital signing are two different and
independent processes. Messages can be:
- encrypted but not signed;
- signed but not encrypted;
- both encrypted and signed;
- neither encrypted nor signed.
Encryption is done by using the *recipient's* (not your own) public key
of their digital certificate (which can be either a location certificate
or an individual certificate).
Signing is done by using the private key of your own *individual*
certificate. Messages cannot be signed by using a location certificate.
Simple, innit?
Oliver Frank, general practitioner
255 North East Road, Hampstead Gardens
South Australia 5086
Ph. 08 8261 1355 Fax 08 8266 5149 M 0407 181 683
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--
Andrew N. Shrosbree B.Sc, B.Ec
Technical Director
ArgusConnect Pty Ltd
http://www.argusconnect.com.au
Mob: +61 (0)415 645 291
Skype: andrewshroz
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