WebSphere Application Server - Express supports the encryption and descryption of SOAP messages. For more information, see XML encryption.
To configure your Web services to encrypt and decrypt request and responses, perform the following steps:
Configure a key locator
Key locators are used to find keys for digital signature and encryption. WebSphere Application Server - Express provides default key locators that you can use with your digital signature configuration, or you can develop your own.
Configure the client for request encryption
Configure your Web services client to encrypt its requests to the server.
Configure the client for response decryption
Configure your Web services client to decrypt responses that it receives from the server.
Configure the server for request decryption
Configure your Web service to decrypt requests from the client.
Configure the server for response encryption
Configure your Web service to encrypt its requests to the client.