Food safety assessment method and device

Abstract

The invention provides a food safety assessment and evaluation method and device relates to the technical field of safety supervision, and is applied to a to-be-assessed enterprise node. The method comprises the following steps of determining a service data abstract based on original service data, uploading the service data abstract, and receiving an uplink voucher; receiving an assessment function and an attestation secret key sent by the supervision node, calculating an assessment result according to the original business data and the assessment function, and generating zero knowledge attestation information based on the attestation secret key; sending the uplink voucher, the assessment result and the zero-knowledge proof information to a supervision node so that the supervision node verifies effectiveness of the assessment result according to the uplink voucher and the zero-knowledge proof information, a supervision department can obtain the assessment result and verify the credibility of the assessment result without reporting original business data by a downstream link enterprise. The method is advantaged in that worries of the enterprise are solved, data accuracy is improved,and supervision is enhanced.

Description

technical field [0001] The invention relates to the technical field of safety supervision, in particular to a food safety assessment method and device. Background technique [0002] In the food industry, the safety assessment and evaluation of enterprises in the upstream and downstream links of food is mainly based on the business data actively reported by participating enterprises. However, companies may have concerns about exposing their core confidential information, so they are not willing to report, and there are even problems where companies omit or conceal data in order to cope with it, making the supervision of the food industry ineffective. Contents of the invention [0003] The purpose of the present invention is to provide a food safety assessment method and device, which enables the supervisory department to obtain the assessment results and verify their credibility without the need for downstream enterprises to report original business data, which solves the c...

AI Technical Summary

Problems solved by technology

However, companies may have concerns about exposing their core confidential information, so they are not willing to report, and there are even problems where companies omit or conceal data in order to deal with it, which makes the supervision of the food industry ineffective.

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