Privacy computing method and privacy computing system

A computing system and computing method technology, applied in the computer field, can solve problems such as the decline of multi-party security computing efficiency, and achieve the effect of realizing ease of use and improving computing efficiency

Active Publication Date: 2021-10-15
HUAKONG TSINGJIAO INFORMATION SCI BEIJING LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, calculations based entirely on ciphertexts will lead to

Method used

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  • Privacy computing method and privacy computing system
  • Privacy computing method and privacy computing system
  • Privacy computing method and privacy computing system

Examples

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Embodiment Construction

[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0058] method embodiment

[0059] refer to figure 1 , shows a flow chart of the steps of an embodiment of a privacy computing method of the present invention, the method is applied to a privacy computing system, and the system includes a scheduler, a programming interface, a ciphertext engine, a plaintext engine of each data party, and all The ciphertext cache corresponding to the ciphertext engine, and the plaintext cache corresponding to each plaint...

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Abstract

The embodiment of the invention provides a privacy computing method and a privacy computing system. The method comprises the steps that: a scheduler receives a calculation task and distributes the calculation task to a programming interface; the programming interface analyzes a calculation instruction in the calculation task, analyzes the calculation instruction into a plaintext instruction and/or a ciphertext instruction, sends the plaintext instruction to a plaintext engine of a corresponding data party, and sends the ciphertext instruction to a ciphertext engine; the plaintext engine executes the received plaintext instruction based on the held plaintext data and/or the plaintext data read from the plaintext cache corresponding to the plaintext engine; and the ciphertext engine executes the received ciphertext instruction based on the ciphertext data read from the ciphertext cache. According to the embodiment of the invention, the ciphertext instruction and the ciphertext instruction can be executed concurrently, and the calculation efficiency can be further improved.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a privacy computing method and a privacy computing system. Background technique [0002] Private computing is a technique for securely computing a contracted function when computing participants do not share their data and without a trusted third party. Through secure algorithms and protocols, computing participants encrypt or convert plaintext data before providing it to other parties, and other computing participants cannot access other parties' plaintext data, thereby ensuring the security of all parties' data. [0003] In order to ensure that the data of all parties will not be leaked during the calculation process, the calculation can be performed on the ciphertext side with the help of multi-party secure calculation technology. However, computing based entirely on ciphertexts will lead to a decrease in the efficiency of multi-party secure computing. Contents of...

Claims

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Application Information

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IPC IPC(8): G06F21/62G06F21/57G06F21/71G06F9/50G06F9/48
CPCG06F21/6245G06F21/57G06F21/71G06F9/5061G06F9/4881
Inventor 徐葳李艺何昊青
Owner HUAKONG TSINGJIAO INFORMATION SCI BEIJING LTD
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