发明名称 |
Energy usage data management |
摘要 |
A method including receiving energy usage data representative of energy usage of a customer during a particular time period. The energy usage data is sign with a digital signature of a utility. The method includes receiving input of a customer effective to select a data block of the energy usage data. The method includes redacting the selected data block from the energy usage data in response to the input. The method includes calculating a hash value for the redacted data block using a per-customer key that is unique to the customer, an initialization vector, and a counter. The method includes replacing in the energy usage data the redacted data block with the calculated hash value corresponding to the redacted data block. |
申请公布号 |
EP2871801(B1) |
申请公布日期 |
2016.07.06 |
申请号 |
EP20140190251 |
申请日期 |
2014.10.24 |
申请人 |
FUJITSU LIMITED |
发明人 |
MASHIMA, DAISUKE;LAHOTI, GAURAV |
分类号 |
H04L9/32;G06F21/60;G06Q10/10;G06Q50/06 |
主分类号 |
H04L9/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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