Brief description of the personalization of a component of the safe, in particular in a non protege

摘要

The present invention relates to a process for the personalization of a component in the medium is not protected. The process according to the invention comprises: a step of inserting a first secret k0 in said component of safety, said step is implemented in a secure the responsibility of the manufacturer of the component of only. a step of generating a secret message k and a step of generating a cryptogram [k] k0 of personalization obtained by application of the secret enciphering k by the first secret k0, said steps being implemented in a secure application the responsibility of the holder of the component of the safety device; a step of customization of the component, by insertion in the said component of the safety of the cryptogram [k] k0 of customization, said step of customization being implemented in a field applicatif.en particular, the invention applies to the components of the type of module to secure access.