A method for asymmetric key management system and safety-relevant plant

摘要

The invention relates to a method for asymmetric key management system, in particular in the case of a safety-relevant system (1), in which each subscriber (a, b) a key pair consisting of a private key and a public key is assigned, in which the public key or their hash - values for the subscriber (a, b) and made accessible by a central authority (k) are legitimate and in which a public key of the central authority (k) is published by a trustworthy point. In order to an alternative to existing key management systems, is provided according to the invention that the public key or their hash - values in a as a block of - chain - a system constructed register be read out to be checked or.n="19"