Authenticated group key agreement in groups such as ad-hoc scenarios
AssigneeNokia Corporation
InventorsKaisa Nyberg, Nadarajah Asokan
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Abstract
The invention provides a method, system, device and computer program product for setting up a secure session among three or more devices or parties of a communication group, including authenticating a key agreement between the devices or parties of the communication group, wherein the devices of the group start, preferably after a key is computed or agreed, a protocol, preferably a multi-party data integrity protocol, for authenticating the key agreement.
Claims19
A Method for setting up a secure session among three or more devices or parties of a communication group, comprising:
- authenticating a key agreement between the three or more devices or parties of the communication group,
- wherein the devices of the communication group start a multi-party data integrity protocol, preferably after a key is computed or agreed, for authenticating the key agreement.
A system for setting up a secure session among three or more devices or parties of a communication group, including means for authenticating a key agreement between the three or more devices or parties of the communication group,
- wherein the 3 or more devices of the communication group are configured to start, after a key is computed or agreed, a multi-party data integrity protocol.
A device for setting up a secure session between the device and two or more devices or parties of a communication group, comprising:
- means for authenticating a key agreement between the devices or parties of the communication group,
- wherein the device is configured to start, preferably after a key is computed or agreed, a multi-party data integrity protocol.
A computer program embodied on a computer readable medium, the program being configured to control a computer to perform the following steps:
- authenticating a key agreement between the three or more devices or parties of the communication group,
- wherein the devices of the communication group start a multi-party data integrity protocol after a key is computed or agreed, for authenticating the key agreement.
Dependencies are inferred from the claim text.