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Web Single Sign On and SAML

  • Reference work entry
Encyclopedia of Cryptography and Security
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Synonyms

Web initial authentication; Web initial sign on; Web SSO and security assertion markup language

Related Concepts

Access Control; Authentication; Identity Management

Definition

Web Single Sign On consists in authenticating once and being able to accede to web services for which the user has an authorization without having to manage multiple authentication/passwords.

SAML is an OASIS XML-based standard used to exchange authentication and authorization information between different security domains.

Background

End users are often seen as a major vulnerability of IT access control systems [1]: as they have to memorize different passwords associated to different systems, they often use easy-to-memorize passwords and share a same password to accede to different systems so that the access control performance is reduced. Moreover, as they can have only a visual checking of the interface of a system to decide if they can trust it or not, other vulnerabilities as phishing attackscan...

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Recommended Reading

  1. Bertino E, Martino L, Paci F, Squicciarini A (2010) Security for web services and service-oriented architectures. Springer, Berlin, ISBN 978-3-540-87741-7

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  2. Open Group. Single sign on specification. Available at http://www.opengroup.org/security/sso/

  3. OASIS (2005) SAML V2.0 executive overview. Available at http://www.oasis-open.org/committees/download.php/13525/sstc-saml-exec-overview-2.0-cd-01-2col.pdf

  4. OASIS (2005) SAML V2.0 technical overview. Available at http://www.oasis-open.org/committees/download.php/27819/sstc-saml-tech-overview-2.0-cd-02.pdf

  5. OnLine community for SAML OASIS Standard. http://saml.xml.org/saml-specifications

  6. Williamson G, Yip D, Sharoni I, Spaulding K (2009) Identity management: a primer. MC Press online, Lewisville, ISBN 978158347-093-0

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© 2011 Springer Science+Business Media, LLC

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Biennier, F. (2011). Web Single Sign On and SAML. In: van Tilborg, H.C.A., Jajodia, S. (eds) Encyclopedia of Cryptography and Security. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-5906-5_906

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