Privacy-preserving metering

A technology for protecting privacy and metering, applied in the field of metering, which can solve problems such as complex methods and dependencies

Inactive Publication Date: 2012-05-09
MICROSOFT TECH LICENSING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of approach is complex an...

Method used

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Examples

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Embodiment Construction

[0020] The detailed description provided below in connection with the accompanying drawings is intended as a description of examples of the invention and is not intended to represent the only forms in which examples of the invention may be constructed or used. This description sets forth the functionality of an example of the invention, and a sequence of steps for building and operating the example of the invention. However, the same or equivalent functions and sequences can be implemented by different examples.

[0021] Although examples of the invention are described and shown herein as being implemented in a smart metering system, the described system is provided by way of example only and not limitation. Those skilled in the art will appreciate that the examples of the present invention are suitable for application in a variety of different types of metering systems.

[0022] In the examples given below, cryptography is used in a metering application to protect the user's...

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Abstract

The invention relates to privacy-preserving metering. Privacy protecting metering is described such as for electricity, gas or water metering, metering use of cloud computing resources, traffic congestion charging and other metering applications. In examples, fine grained user consumption data is kept private and not disclosed to a provider of a resource consumed by the user. In examples, a bill generator receives certified meter readings and a certified pricing policy and generates a bill which omits fine grained user consumption data. For example, the bill generator generates a zero knowledge proof that the bill is correct and sends that proof to a provider together with the bill. In examples a provider is able to check that the bill is correct using the zero knowledge proof without finding out the user's private consumption data. In an embodiment the pricing policy is stored as signed rows of a table to enable efficient generation of the zero knowledge proof.

Description

technical field [0001] The present invention relates to metering, and more particularly to privacy-preserving metering. Background technique [0002] Metering is involved in many application areas, such as electricity metering, water metering, gas metering, pay-per-drive vehicle insurance, traffic congestion charging, online service metering such as pay-per-view digital rights management, software as a service metering ,And other. However, as the complexity of metering increases, there are concerns about user privacy protection. For example, with fine-grained electricity meter readings, it is possible to identify which appliances are being used through load monitoring. Detailed consumption data can facilitate the creation of a user's lifestyle profile, with information such as when they are home, when they eat, whether they are late for work, and so on. User privacy concerns have also been raised in other application areas of presence metering. For example, pay-per-drive...

Claims

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Application Information

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IPC IPC(8): G06Q30/02H04L29/06H04L9/32
CPCG06Q20/102H04L9/3218G06Q50/06H04L2209/56G06Q30/04
Inventor G·达纳齐A·R·杜兰
Owner MICROSOFT TECH LICENSING LLC
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