An ESB is introduced into an IT enterprise, primarily to enable communication between a set of disparate Web services. As a first step, the ESB needs to be configured to carry out data model transformation in order to overcome differences in the XML schemas used by the Web services. However, the messages exchanged by the Web services need to be encrypted. What needs to be done in order for the ESB to enable communication between the Web services without compromising message confidentiality?
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