What security measures are provided to protect the HAVi network from unauthorized access via outside connections (telephone lines, antenna wires, etc.)?
The basic security mechanism is a digital authentication certificate that will be attached to all downloadable DCMs. This digital certificate will be attached to all downloadable DCMs, and the provider of the DCM can only obtain the certificate if they assert that the DCM is HAVi compliant. The confirmation of this digital certificate, combined with applications written to check for this certificate, will establish a “trusted” or “untrusted” test that the DCM must pass before being authorized for download onto a HAVi device. While this reduces the risk of intentionally malicious DCMs, it may be that a DCM has unintentional errors. If this turns out to be the case, and the provider of a DCM wants to replace a DCM that is in the field they may: • Provide a proprietary mechanism for patching/upgrading the BAV. • Refer to the DCM via a URL in the BAV.
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