Sichere Benutzerbeglaubigung für elektronischen Handel unter Verwendung eines Wertezählersystems

摘要

A system and method include means for processing a cryptographic certificate adapted to provide security functionality. A register means (244) is provided and means (224) for adjusting the register means to account for services when the cryptographic certificate is processed. The register means may be for storing funds. Means are provided for processing a digital token providing proof of postage payment and means are also provided for processing a cryptographic certificate adapted to provide security functionality. Funds stored in the register means are debited when the digital token is processed and when the cryptographic certificate is processed. Processing the cryptographic certificate may involve many functions such as providing security services and/or certificate management functions (including generating and verifying cryptographic certificates) and/or key management functions and/or access to any needed private keys to perform security services. Processing the digital token may include generating the digital token or issuing the digital token.