Koninklijke Philips Corporation N.v.

Sorin Marcel Iacob

Robert Paul Koster

Najib Koraichi

Javier Montaner

In a domain comprising a plurality of devices, the devices in the domain sharing a common domain key, a method of enabling a entity that is not a member of the domain to create an object that can be authenticated and/or decrypted using the common domain key, the method comprising providing to the entity that is not a member of the domain a diversified key that is derived using a one-way function from at least the common domain key for creating authentication data related to said object and/or for encrypting said object, the devices in the domain being configured to authenticate and/or decrypt said object using the diversified key.

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Enschede, Netherlands

Sorin Marcel Iacob