Mobile Ticketing & Transportation: CNA provides HCE Authorization Modules to secure the Calypso HCE ecosystem.
To help implement an HCE ecosystem in accordance with the specifications of the Calypso HCE application, CNA provides HAMs - HCE Authorization Modules. HAMs are hardware security modules able to perform the cryptography requested for the security of a Calypso HCE application, which is based on a PKI architecture where CNA is acting as the Certification Authority.
Each HAM contains a set of RSA keys with a CNA certificate, and the identifiers of the HCE application provider and of the transport network. It contributes to protecting the exchanges of a distant server with the NFC mobile phone, either for the personalization and the activation of the HCE application, or the loading of transport contracts in the mobile phone.
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