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

摘要

The invention relates to a method for renewing cryptographic keys, wherein an owner has a first public key, a digital certificate comprises the owner identity and identifier, a first pair of data contains said first public key and said identifier is stored in a public key server, which is guaranteed by a certification authority. The inventive method consists in generating (200) the owner's second public key for replacing said first public key and in storing (208) a second pair of data containing the second public key and the identifier in said public key server.