METHOD FOR RENEWING CRYPTOGRAPHIC KEYS, METHOD FOR OBTAINING A PUBLIC KEY, AND KEY MANAGEMENT DEVICE

摘要

The invention relates to a cryptographic key renewal method, in which an owner has a first public key and a digital certificate comprising an identity and an identifier of the owner, and wherein a first pair of data comprising said first public key and said identifier is stored in a public key server that has a certificate authority. The method includes a step of generating (200), for the owner, a second public key for replacing said first public key, and a storing step (208) in said public key server of a second pair of data comprising said second public key and the identifier.