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Utility meter for metering a utility consumption and optimizing upstream communications and method for managing these communications
Utility meter for metering a utility consumption and optimizing upstream communications and method for managing these communications
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机译：用于计量公用事业消耗和优化上游通信的公用事业仪表以及用于管理这些通信的方法
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摘要
A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.
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