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WS Security Roadmap

WS Security Roadmap. Dave Tran CSCI5931 Web Security WS Security Roadmap Proposed by IBM and Microsoft. WS Security Roadmap. What is a Web Service?

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WS Security Roadmap

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  1. WS Security Roadmap Dave Tran CSCI5931 Web Security WS Security Roadmap Proposed by IBM and Microsoft

  2. WS Security Roadmap • What is a Web Service? “… application components whose functionality and interfaces are exposed to potential users through the application of existing and emerging Web technology standards including XML, SOAP, WSDL, and HTTP.” • Why? • Loosely-coupled • Language-neutral • Platform-independent

  3. WS Security Roadmap • Bottlenecks? security • SSL/TLS not enough? • Point-to-point (2 parties involve) • WS is end-to-end (more than 3 parties involve)

  4. WS Security Roadmap

  5. WS Security Roadmap

  6. WS Security Roadmap • Initial Specifications • provide the foundation to establish secure interoperable Web services across trust domains. • Message Layer • WS-Security - message security model • Policy Layer • WS-Policy - Web service endpoint policy • WS-Trust - a trust model • WS-Privacy - privacy model

  7. WS Security Roadmap • Follow-on Specifications • Federation Layer • WS-SecureConversation – secure conversations • WS-Federation – federated trust • WS-Authorization - authorization

  8. WS Security Roadmap • WS-Security • Enhance SOAP messaging by providing quality of protection through message integrity and message confidentiality. • Authentication with Security tokens – username and passwords, Kerberos tickets, X.509 certificate • Message integrity – XML Signature with security tokens • Message confidentiality – XML Encryption with security tokens

  9. WS Security Roadmap • WS-Policy • Defines the policy rules on how services interact • Includes 4 specs • A Policy Framework(WS-Policy) - defines a grammar for expressing WS policies • A Policy Attachment (WS-Policy-Attachment) - defines how to attach these policies to WS • A set of general policy assertions (WS-Policy-Assertions) • A set of security policy assertions (WS-Security Policy)

  10. WS Security Roadmap • WS-Trust • The trust between a service requester and a service provider is established through the exchange of information between the two parties in an expected and understood manner • WS-Security already defines the basic mechanisms to securely exchange messages using security tokens • Builds on top of WS-Security and defines how the security tokens are issued and exchanged • Defines a set of interfaces that a secure token service may provide for the issuance, exchange, and validation of security tokens

  11. WS Security Roadmap • WS-Privacy defines how privacy of information is maintained

  12. WS Security Roadmap • WS-SecureConversation • Builds on the concept of trust based on security tokens • Defines how to establish a secured session between services for exchanging data using the rules defined in WS-Policy, WS-Trust, and WS-Privacy • Defines how to create a context for a particular conversation with a Web Service and how to create keys that can be used in that context

  13. WS Security Roadmap • WS-Federation • Describes how to manage and broker trust relationships (trust of identities, attributes, and authentication) in a heterogeneous federated environment (among Web Services) leading Single Sign-On. • Comprise of the following: • WS-Federation: Active Requestor Profile - defines mechanisms for requesting, exchanging, and issuing security tokens within the context of active requestors (an application capable of issuing WS messages). • WS-Federation (Language) - defines how federation works in the WS-Security stack. • WS-Federation: Passive Requestor Profile (HTTP browser) - defines a system for passive mechanisms to work seamlessly with a single or simplified sign-on to the WS-Federation system.

  14. WS Security Roadmap • WS-Authorization • Describes how access policies for a Web Service are specified and managed. • Describes how claims may be specified within security tokens and how these claims will be interpreted at the endpoint.

  15. WS Security Roadmap • July 2003VeriSign/IBM/Microsoft/RSA/BEA WS-Federation Specification VeriSign/IBM/Microsoft/RSA/BEA WS-Federation Active Client ProfileVeriSign/IBM/Microsoft/RSA/BEA WS-Federation Passive Client Profile December 2002VeriSign/IBM/Microsoft/RSA WS-SecurityPolicy SpecificationVeriSign/IBM/Microsoft/RSA WS-Trust SpecificationVeriSign/IBM/Microsoft/RSA WS-SecureConversation SpecificationRelated SpecificationsIBM/Microsoft/BEA/SAP WS-PolicyIBM/Microsoft/BEA/SAP WS-PolicyAttachmentIBM/Microsoft/BEA/SAP WS-PolicyAssertionsAugust 2002VeriSign/IBM/Microsoft WS-Security AddendumApril 2002VeriSign/IBM/Microsoft WS-Security SpecificationIBM-Microsoft Web Services Roadmap

  16. WS Security Roadmap • References www.verisign.com/wss http://www-106.ibm.com/developerworks/library/ws-secmap/ http://www-106.ibm.com/developerworks/library/ws-secroad/

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