Re: How does client decrypt data in a HTTPS-based WebDAV transfer
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On Mar 25, 2012, at 9:54 PM, Ajay Garg wrote:As your DAV client and the server set up their SSL connection, they exchange information that is used by either side to derive a set of session encryption keys. This starts with a piece of random data generated by the client, wrapped in the public key from the server's certificate, and sent to the server. Since only the server has the corresponding private key, no eavesdropper can intercept this piece of data, and no one but the server and client have the proper input material to derive those session keys.
> Thanks Eric for the reply.
> Eric, but how is the shared secret comfigured?
> I do not remember configuring anything like this for the HTTPS-based WebDAV server.
Once the session keys are created, they are used by either side to sign, encrypt, decrypt and verify the SSL records sent across the connection.
So the only thing that is pre-arranged is the key/certificate on the server, and the fact that the client trusts the server certificate (through the CA certificate in the client's key store or CA bundle).
Hope this helps,
> Thanks and Regards,
> On Sun, Mar 25, 2012 at 11:39 PM, Eric Covener <covener@xxxxxxxxx> wrote:
> > BUT, HOW IS THE CLIENT ABLE TO DECRYPT THE DATA? (I have been running both
> > webdav server and client on the same machine; so it might very well
> > be the case that some info from "ssl.conf" and/or "httpd.conf" is being used
> > at the client side. However, I am just guessing ...
> Under SSL, the client and server negotiate a shared secret used to
> encrypt/decrypt the data.
> They can set this up securely because the client starts this process
> with info encrypted with the servers public key.
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