Patent · US Active

System and method for information protection

US10726657B2 · kind B2 · utility

2Cited by

10References

20Claims

0Family size

Assignee

Alibaba Group Holding Limited · KY

Inventors

Jiahui Cui · Hangzhou City, CN
Baoli Ma · Hangzhou City, CN
Zheng Liu · Shanghai, CN
Wenbin Zhang · Hangzhou City, CN
Huanyu Ma · Hangzhou City, CN

Key dates

Filing date	Nov 27, 2018
Grant date	Jul 28, 2020
Priority date	—
Expiry date	Nov 27, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2209/56
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A computer-implemented method comprises: committing a transaction amount t of a transaction with a commitment scheme to obtain a transaction commitment value T, the commitment scheme comprising at least a transaction blinding factor r_t; encrypting a combination of the transaction blinding factor r_t and the transaction amount t with a public key PK_B of a recipient of the transaction; and transmitting the transaction commitment value T and the encrypted combination to a recipient node associated with the recipient for the recipient node to verify the transaction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.