Preparing the WS Provider AS ABAP for
Accepting the Signature
You can use the following procedure to set up the provider system so that it trusts the signature of the consumer system.
● The option Signature & Encryption (Asymmetric Binding) is selected in the provider system (for example, in the SOA Manager → Business Administration → Web Service Administration, the option Signature & Encryption (Asymmetric Binding)).
● You know which signature certificate to use for the consumer system.
○ More information, if the consumer system is an AS ABAP: Preparing the WS Consumer AS ABAP for Issuing the Signature
○ More information, if the consumer system is an AS Java: Preparing the WS Consumer AS Java for Issuing the Signature

If the consumer system uses CA certificates, you can import the CA certificate instead of the signature certificate.
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1. In the Trust Manager of the consumer system, export the certificate for the consumer system to a file in the file system.
More
information:
Maintaining PSEs and
Administering Certificates
2. Use the Trust Manager of the provider system to import the signature certificate into the WS-Security PSE WS Security Keys.
More
information:
Maintaining PSEs and
Administering Certificates