To send the signed and encrypted SOAP request to
a web service from BizTalk server then follow these steps:
Step 1: Create send port (One Way/Solicit Response as per
requirement) select WCF-Custom in transport type.
Step 2: Select customBinding for Binding Type, by default customBinding
has textMessageEncoding and httpTransport, you can change it as per your
need.
Step 3: Add security