Mobile Cloud Identity Profile Version 1.0
Committee Note 01
05 August 2013
Anil Saldhana (Anil.Saldhana@redhat.com),
Anthony Nadalin (email@example.com),
Anil Saldhana (Anil.Saldhana@redhat.com),
This document is intended to provide a profile for Mobile Identity Management.
This document was last revised or approved by the OASIS Identity in the Cloud TC on the above date. The level of approval is also listed above. Check the “Latest version” location noted above for possible later revisions of this document.
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Mobile Cloud Identity Profile Version 1.0. 05 August 2013. OASIS Committee Note 01.
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This document describes the consumers’ mobile device authentication as an additional strong authentication use case, challenges and applicable standards in the Cloud -As-A-Service (*aaS) model.
P. Mell, T. Grance, The NIST Definition of Cloud Computing SP800-145. National Institute of
Standards and Technology (NIST) - Computer Security Division – Computer Security
Resource Center (CSRC), January 2011. http://csrc.nist.gov/publications/nistpubs/800-145/SP800-145.pdf
L. Chen, J. Franklin, A/ Regenshcheid, Guidelines on Hardware-Rooted Security in Mobile Devices (Draft), Recommendations of the National Institute of Standards and Technology (NIST) - Computer Security Division – Computer Security
Resource Center (CSRC), October 2012. http://csrc.nist.gov/publications/drafts/800-164/sp800_164_draft.pdf
M.Rutkowski, OASIS Identity in the Cloud Use Cases v1.0, OASIS Standards Consortium,
Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. [NISTSP800-145]
A Device Owner is an entity that has purchased and maintains ownership of a mobile device. [NISTSP800-164]
An Information Owner is an entity whose information is stored and/or processed on a device. An Information Owner can be an application-specific provider, a digital product provider, or an enterprise that allows access to resources from mobile devices, for example. Every mobile device has a single Device Owner and one or more Information Owners. [NISTSP800-164]
Device integrity is the absence of corruption in the hardware, firmware and software of a device. A mobile device can provide evidence that it has maintained device integrity if the state of the device can be shown to be in a state that is trusted by a relying party. A device has integrity if its software, firmware, and hardware configurations are in a state that is trusted by a relying party. The mechanism for communicating this trusted state is through one or more assertions that the Device Owner allows a device to make to the Information Owner. A device may establish a unique device identity for the purpose of device authentication. Mobile devices may use assertions to represent the state of firmware as either verified or unverified, the state of an OS as either validated or not, the state of file encryption as either on or off, the state of the microphone as either on or off, etc. [NISTSP800-164]
A device may establish a unique device identity for the purpose of device authentication.
We now look at a typical Mobile Device identity interaction with the Cloud as an Information owner.
Figure 1 : Interaction between Mobile users (using mobile unique attributes as multi-factor authentication) and cloud service
Authentication scenario sequence includes:
This document demonstrates the need to have a standard secure identity authentication to authenticate mobile consumer user that exists in Cloud-based Identity and Access Management services offering identity proofing, credential management, strong authentication, single sign-on, and provisioning solutions when Cloud –based identity service is used as an intermediary between a consumer and a business enterprise.
There is a need to support Federated Identities in any *aaS model.
There is a need to perform authorization of resources and applications by users and processes.
There is a need to ensure secure connection between Mobile Device, Cloud Information Owner and Enterprise Application.
There is a need to authenticate the mobile user.
One potential solution is as follows:
The goal is to identify a user using a secure channel. Sending a hash sets up the channel. The hash is a combination of the phone IMEI Number and the SIM card serial number. The reason these attributes are used is because they are common to all manufacturers and all carriers. They can also be obtained in the same manner independent of a manufacturer and carrier. The hashing is done so none of the info is sent as clear text over a carrier.
There's 2 ways of provisioning:
Once a secure channel is established user authentication is done by means of a certificate and pin.
The standards that are applicable to *-as-a-Service are divided into the following sections.
The following OASIS standards for Federated Identity are applicable:
• OASIS SAML
• OASIS WS-Trust and WS-Federation
• OASIS XSPA profile of SAML
The following OASIS Standards for Identity Management provisioning are applicable:
• OASIS SPML
The following OASIS Standards for Authorization are applicable:
• OASIS OAuth
• OASIS XACML
The following individuals have participated in the creation of this specification and are gratefully acknowledged:
Anil Saldhana, Red Hat
Anthony Nadalin, Microsoft
David Turner, Microsoft
Matt Rutkowski, IBM
David Kern, IBM
Chris Kappler, Pricewaterhousecoopers
Abbie Barbir, Bank of America
Dominique Nguyen, Bank of America
Thomas Hardjono, MIT
Jeffrey Broberg, CA Technologies
John Tolbert, The Boeing Company
Gines Dolera Tormo, NEC Corporation
Felix Gomex Marmol, NEC Corporation
Cathy Tilton, Daon
Dale Moberg, Axway Software
David Chadwick, Individual
Gershon Jannsen, Individual
Roger Bass, Individual
Michele Drgon, Individual
May 13, 2013
Anil Saldhana and Dominique Nguyen