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TR 33.804 (SA3)
Single Sign On (SSO) application security
for Common IMS based on SIP Digest

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(W-zip) V12.0.0    2013/06    47 p.
(W-zip) V11.2.0    2013/06    47 p.


Rapporteur:  Dr. Holtmanns, Silke
See also:  –


The objective of this study item is to provide reference material for IMS based non-UICC based Single Sign On (SSO) to applications. This study item targets to re-use the SIP Digest Credentials for SSO to applications by re-using Common IMS and existing security elements. The study should describe needed extension to enable a re-use of SIP Digest credentials in Common IMS for providing security between a terminal and an application server. The study aims to maximise the commonalities of the SSO_APS with the currently defined application security approaches in 3GPP while efficiently satisfying the needs of Common IMS deployments using SIP Digest.

The Technical Report targets to bring forth approaches with a security level for access to applications using SSO_APS that is at least as good as that provided by SIP Digest for Common IMS. This Technical Report is intended to be used where the usage of UICC is not possible in a UICC-less environment. If the usage of UICC is possible, then it is expected to used, but that is outside the scope of the present study.

The scope of this Technical Report (Study Item Code SSO_APS) is restricted to environments where the storage of credentials on a UICC is not mandated.


 

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1   Scope   Word-p. 5
2   References
3   Definitions, symbols and abbreviations   Word-p. 6
4   Description of SSO feature
5   System architecture and assumptions   Word-p. 7
6   Security requirements   Word-p. 16
7   Solutions   Word-p. 17
A   Use of the key derivation function   Word-p. 45
B   Change history   Word-p. 47      Up

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