Also, usernames and passwords are inherently weak, and do not provide nearly the same level of authentication as a digital signature. If you are anything like me, you have 1 password for n accounts, which kind of defeats the idea of a "shared secret".

-Fred

On Jun 23, 2008, at 6:23 AM, Robert Wierschke wrote:

Hi,

when you additionally sign the SOAP message the recipient can be sure that the message was not altered in transit. This cannot be achieved with just adding a UsernameToken.

regards
robert

2008/6/23 Glen Mazza <[EMAIL PROTECTED]>:

Hello, I have an architectural question about using UsernameTokens (which I'm trying to do with CXF, which of course uses WSS4J behind the scenes). If we are using the UsernameToken profile, I can see why we need to encrypt the message with the server's public key (for confidentiality), but am unsure if
we need to also sign the message with the client's private key.  Is it
redundant with UsernameToken profile to also sign the SOAP request? My first guess, is that by definition, one is using Usernames and Passwords for authentication, and hence would not need signing of the message as well, but
am unsure here.

Thanks,
Glen
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