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Attribute-level access control Group Name: ARC WG Source: Yuan Tao, Mitch Tseng, Huawei Technologies Meeting Date: ARC 16 Agenda Item: TBD.

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Presentation on theme: "Attribute-level access control Group Name: ARC WG Source: Yuan Tao, Mitch Tseng, Huawei Technologies Meeting Date: ARC 16 Agenda Item: TBD."— Presentation transcript:

1 Attribute-level access control Group Name: ARC WG Source: Yuan Tao, Mitch Tseng, Huawei Technologies Meeting Date: ARC 16 Agenda Item: TBD

2 Introduction In R1 specification, access control only manipulates at resource level. All the attributes in a resource are restricted to the same access control policy. - The privileges and selfPrivileges attributes of resource includes a set of access control rules, which is comprised of 3-tuples. In some cases, attributes in a resource may require different access rights. © 2015 oneM2M Partners 2

3 Case 1: firmware/software management © 2015 oneM2M Partners 3 1. The version attribute can only be updated by administrator device, other non-administrator device can only retrieve the value of this attribute. However, when a non-administrator device executes firmware/software upgrade, the UPDATE method is applied to the whole resource. 2. Only the administrator device can retrieve the URL Attribute, other non-administrator device can retrieve all attributes except for the URL Attribute. However, the RETRIEVE method is applied to the whole resource.

4 Case 2: anonymous data sharing © 2015 oneM2M Partners 4 Some anonymous data stored in a resource can be shared with some entities. All attributes in this resource can be retrieved except for the creator attribute. However, the RETRIEVE method is applied to the whole resource.

5 Suggestion © 2015 oneM2M Partners 5 A new accessControlAttributes parameter -Represents the attributes in the that is permitted to use this access control rule. - Contained by the privileges and selfPrivileges attributes, these two attributes are comprised of 4- tuples. Example: a CSE can use UPDATE method to AE-ID attribute of the resource between 9.00am to 12.00am.

6 Thanks © 2015 oneM2M Partners 6

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