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WS Security

WS-S-3 Asymmetric Encryption

Secure SOAP Client using RSA Encryption

Example

This section demonstrates how to make encrypted SOAP message using asymmetric algorithm (RSA).

• These examples are using a X.509 certificate to define the RSA key for encruption.
• To encrypt the message client uses public key of server's certificate, so only server know private key and can decrypt the message.
• In practice message itself is encrypted with 3DES algorthm using a random session key.
• The session key itself is encrypted with public part of RSA key.
• So the server first decode the session key, and then decrypt the message.

The Virtuoso VSP based clients demonstrate

• accessing Virtuoso Web Service with Virtuoso client using asymmetric algorithm
• accessing .NET Web service with Virtuoso client using asymmetric algorithm

To run .NET client against Virtuoso service you need:

• Microsoft WSE 2.0 installed
• Edit the Makefile and specify in CSLIBFLAGS where Microsoft.Web.Services.DLL reside.
• compile the example issuing nmake command in the tutorial/services/ws_s_3 directory.
• if you going to compile the client on an other box, make sure that .config file is in the same directory where is .exe file.