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US Patent 11563567 Secure shared key establishment for peer to peer communications

Patent 11563567 was granted and assigned to Visa on January, 2023 by the United States Patent and Trademark Office.

OverviewStructured DataIssuesContributors

Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
Visa
Visa
Current Assignee
Visa
Visa
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11563567
Date of Patent
January 24, 2023
Patent Application Number
16644158
Date Filed
September 27, 2017
Patent Citations
‌
US Patent 10454674 System, method, and device of authenticated encryption of messages
‌
US Patent 10516527 Split-key based cryptography system for data protection and synchronization across multiple computing devices
Patent Citations Received
‌
US Patent 11991281 Systems and methods for digital data management including creation of storage location with storage access id
0
Patent Primary Examiner
‌
Shahriar Zarrineh
CPC Code
‌
H04L 9/0897
‌
H04L 9/3247
‌
H04L 9/3263
‌
H04L 2209/84
‌
H04L 2209/805
‌
H04L 9/0863
‌
H04L 9/0825
‌
H04L 9/0861
...

Systems and methods for secure peer-to-peer communications are described. Devices registered into trusted network may be capable of establishing a shared data encryption key (DEK). In embodiments, each device may be configured to obtain a share of a data encryption key (DEKi) that can be stored locally. The shares may be shares in an M of N Secret Sharing Scheme. This may involve a network that includes an integer, N, devices, and in which M devices may share a secret (i.e. the DEK) during communications, M being an integer less than or equal to N. To obtain the entire DEK during encryption/decryption, a requesting device may send requests to M of N devices for their shares of the DEK. Once M shares are obtained, they may be used generate the DEK for encrypting/decrypting data between the devices.

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