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SAP NetWeaver systems enable you to use authentication at transport level and SSO (Single Sign-On) for Web services (WS) with a user ID and password, X.509 certificates, or authentication assertion tickets.

Prerequisites

To use authentication with X.509 certificates, you have to enable the use of cryptographic functions for the AS ABAP system. For more information, see Digital Signatures and Encryption.

For WS SSO with authentication assertion tickets, the WS consumer must be configured to issue logon tickets and the WS provider needs a trust relationship to the issuer to accept the ticket.

Features

When using transport level WS SSO, the AS ABAP uses standard HTTP authentication mechanisms. Correspondingly, the SSO mechanisms for WS access are enabled by the AS ABAP components that enable Web-based authentication. Authentication data for authentication with user ID and password and authentication assertion tickets is transported in the HTTP header. X.509 certificate authentication uses the underlying Secure Sockets Layer security protocol (SSL security protocol) over HTTP to perform the authentication.