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Web Services Security Patterns , Practices & Threats

Web Services Security Patterns , Practices & Threats. Prabath Siriwardena – Software Architect, WSO2. Plan for the session. Patterns. Standards. Implementations. Recurring Problems. 1995. 1997. 1999. 2004. 2005. SAML2 Web SSO. 2008/May. Direct Authentication for Web Services.

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Web Services Security Patterns , Practices & Threats

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  1. Web Services SecurityPatterns, Practices&Threats Prabath Siriwardena – Software Architect, WSO2

  2. Plan for the session Patterns Standards Implementations

  3. Recurring Problems

  4. 1995 1997

  5. 1999

  6. 2004

  7. 2005 SAML2 Web SSO

  8. 2008/May

  9. Direct Authentication for Web Services Basic Authentication Mutual Authentication Transport Level 2-legged OAuth

  10. Direct Authentication for Web Services UsernameToken Profile with WS-Security Message Level Signing – X.509 Token Profile with WS-Security

  11. Brokered Authentication for Web Services Mutual Authentication Transport Level 2-legged OAuth

  12. Brokered Authentication for Web Services WS-Trust / STS Resource STS WS-Federation Message Level Signing – X.509 Token Profile with WS-Security Kerberos Token Profile for WS-Security

  13. 2006/April

  14. 2006/June

  15. 2008/2009

  16. 2008/2009

  17. 2008/2009

  18. 2007/Dec

  19. 2007/Dec

  20. ActAs in WS-Trust 1.4

  21. 2005/Feb

  22. Security Solution Patterns Message Interceptor Gateway Pattern Message Level Trusted Sub System Pattern

  23. SOAP Security UsernameToken Profile Message Level

  24. SOAP Security Key Identifiers X.509 Token Profile & Key Referencing Message Level Direct References

  25. SOAP Security Symmetric Binding Vs Asymmetric Binding Message Level

  26. SOAP Security • WS-Security secures SOAP – focuses on message level security • Focuses on a single message authentication model • Each message contains everything necessary to authenticate it self • Suitable for a coarse grained messaging in which a single message at a time from the same requestor is received Message Level WS – Secure Conversation

  27. SOAP Security • What SSL does at the transport level in point-to-point communication, WS-SecureConversation does at the SOAP layer • Removes the need of individual SOAP message carrying authentication information. • Establishes a mutually authenticated security context in which a series of messages are exchanged. • Uses public key encryption to exchange a shared secret and then onwards uses the shared key Message Level WS – Secure Conversation

  28. SOAP Security WS-Trust Message Level

  29. SOAP Security Message Level Sender Vouches – Subject Confirmation

  30. SOAP Security Holder-of-Key – Subject Confirmation Message Level

  31. SOAP Security WS-Security Policy Message Level

  32. prabath@wso2.com Thank You…!!!

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