SELF-REVOCATION OF A TRUSTED COMPONENT NODE

Abstract: there is provided techniques for self-revocation. a method is performed by a tc node (). the tc node () is provided with an identifier and daa credentials. the tc node () is to receive a heartbeat message from an ra node (). the heartbeat message comprises a freshness parameter and a revocation request with a list of identifiers for which revocation is pending. the method comprises revoking (s, s) the daa credentials when either: the heartbeat message is received from the ra node () whilst a counter condition is satisfied, correctness of the freshness parameter is verified by the tc node (), and the identifier is present in the list of identifiers; or failing to receive the heartbeat message from the ra node () whilst the counter condition is satisfied.

Inventor(s): Gianluca SCOPELLITI, Christoph BAUMANN

CPC Classification: H04L9/0891 ({Revocation or update of secret information, e.g. encryption key update or rekeying})

Search for rejections for patent application number 20250219827