Method for distributing encryption means
AssigneeKoninklijke Philips Electronics N.V.
InventorsOscar Garcia morchon, Mark Patrick Sillner, Bozena Erdmann
Life of this patent
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Abstract
The present invention relates to method for operating a trust centre for distributing key material to at least one radio station, comprising the steps of at the trust centre, dividing an identifier of the radio station, said identifier being a code word consisting a first number of bits, into a plurality of subidentifiers, and generating for each subidentifier, an keying material function selected out of a set of keying material functions on the basis of the considered subidentifier at the trust centre, transmitting to the radio station the identifier and the key material comprising the generated encryption functions.
Claims13
A method for operating a trust centre for distributing keying material to at least one radio station, comprising the steps of
- at the trust centre, dividing an identifier of the radio station, said identifier being a code word consisting a first number of bits, into a plurality of subidentifiers, and generating for each subidentifier, an keying material function selected out of a set of keying material functions on the basis of the considered subidentifier.
- at the trust centre, transmitting to the radio station the identifier and the key material comprising the generated encryption functions.
A trust center for distributing key material to at least one radio station, comprising
- means for dividing an identifier of the radio station, said identifier being a code word consisting a first number of bits, into a plurality of subidentifiers,
- means for generating for each subidentifier, an encryption function selected out of a set of encryption functions on the basis of the considered subidentifier.
- at the trust centre, transmitting to the radio station the identifier and the key material comprising the generated encryption functions.
Dependencies are inferred from the claim text.