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Anonymous event attestation

A blind signature and integrity technology, applied in electrical components, digital data authentication, user identity/authority verification, etc., to achieve the effect of enhancing privacy, reducing generation, and efficient process

Pending Publication Date: 2022-04-22
GOOGLE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, these authentication techniques may involve privacy issues

Method used

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  • Anonymous event attestation
  • Anonymous event attestation
  • Anonymous event attestation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] In general, the systems and techniques described herein can provide a secure communication channel between a client device and other entities, such as content publishers, digital component distribution systems, and digital component providers, that create and provide digital components to For distribution by the Digital Component Distribution System. A client device may, through requests and other data transmissions over the network, present an attestation token that is used by other entities to verify the integrity of the request and the integrity of the client device. Requests may include, for example, requests to manage user data (eg, delete user-related data), requests for content, and / or requests for digital components presented with other content. Securing the communication channel using proof tokens ensures that fraudulent users cannot alter, delete, or otherwise access user data, or alter the content of requests, or create new requests, for example, to deceive t...

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PUM

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Abstract

Methods, systems, and computer media are provided for attestation tokens that protect the integrity of communications transmitted from a client device while avoiding the use of a stable device identifier that can be used to track the client device or a user thereof. In one method, a client device may receive a batch of N device integrity elements from a device integrity computing system, each device integrity element corresponding to a different public key. The N device elements may be signed by a device integrity computing system. Signature by the device integrity computing system may be signed with a blind signature scheme. The client device may include a throttler that applies a limit to the number of attestation tokens created by the client device.

Description

Background technique [0001] Client devices transmit requests and other data over a public network, such as the Internet. These communications may be altered by other parties, such as parties who intercept communications and / or intermediaries who receive communications and forward them to other parties. [0002] Client devices are also vulnerable to malicious attacks such as viruses and malware that can send fraudulent requests without the user's knowledge or authorization. In addition, other parties can impersonate a client device to send requests that appear to originate from the client device, but actually come from the other party's device. [0003] Various authentication techniques can be used to prevent fraud and abuse and to protect the integrity of transactions over public networks. At the same time, these authentication techniques may involve privacy issues. For example, users of client devices may not wish to share information that could be used to track client dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/40H04L9/32
CPCH04L63/126H04L9/3249H04L9/3255H04L9/3257H04L9/3213G06F21/33H04L9/3268H04L63/0823G06F21/44H04L63/123H04L9/30H04L9/0825
Inventor G.王M.M.M.扬
Owner GOOGLE LLC