Selecting the Keystore View for SSL for the Service Provider 
The SAML service provider stores the client certificates for trusted identity providers for the establishment of Secure Sockets Layer (SSL) connections in a keystore view of the keystore service. The service provider uses these certificates when getting the metadata of trusted identity providers over HTTPS. Use this procedure to determine the keystore view.
Procedure
Start SAP NetWeaver Administrator.
Choose
Configuration Management 
Security Authentication and Single Sign-On 
and choose SAML 2.0 Local
Provider .Choose the Edit pushbutton.
Choose the General Settings tab.
Under Signature and Encryption, enter a keystore view in the Trusted CAs Keystore View field.
Save your entries.