System, method, and apparatus for securely sharing audio-video data based on full anonymous privacy computation

A method for securely sharing audio-video data based on full anonymous privacy computation, which is applied to a first hardware edge gateway, comprising:

• generating first service identification information for representing a target service in response to a data sharing request sent by a data recipient, wherein the target service is a service to which audio-video data requested by the data sharing request belongs;
• performing obfuscation on the first service identification information according to a preset obfuscation algorithm to obtain a first obfuscation set;
• sending the first obfuscation set to a second hardware edge gateway, enabling the second hardware edge gateway to calculate intersection service identification information of the first obfuscation set and the second obfuscation set, determine audio-video data to which the intersection service identification information belongs, in preprocessed audio-video data, as first intersection audio-video data, and send the first intersection audio-video data to the first hardware edge gateway, wherein, the second obfuscation set is obtained by the second hardware edge gateway performing obfuscation on second service identification information according to the preset obfuscation algorithm, the second service identification information is service identification information for representing a service to which original audio-video data belongs, which is obtained by the second hardware edge gateway performing identification contents of the original audio-video data, the original audio-video data is sent by a data owner to the second hardware edge gateway, and the preprocessed audio-video data is obtained by the second hardware edge gateway encapsulating the original audio-video data and the second service identification information audio-video data to be shared and the second service identification information obtained according to the audio-video data to be shared, the audio-video data to be shared is obtained by the second hardware edge gateway acquiring an original packet format of the original audio-video data, performing security detection on the original packet format, and determining original audio-video data to which original packet format passing the security detection belongs, as the audio-video data to be shared performing encryption on identity information and permission information sent by the data recipient according to a preset encryption algorithm to obtain first encrypted information;
• calculating intersection encrypted information of the first encrypted information and the second encrypted information, wherein, the second encrypted information is obtained by the second hardware edge gateway performing encryption on categorizing information and grading information according to the preset encryption algorithm, and the categorizing information is information of a service category for representing a service to which the first intersection audio-video data belongs and the grading information is information of a service grade for representing the service to which the first intersection audio-video data belongs, which both are obtained by the second hardware edge gateway performing identification on contents of the first intersection audio-video data;
• determining audio-video data to which the intersection encrypted information belongs, in the first intersection audio-video data, as second intersection audio-video data, and sending the second intersection audio-video data to the data recipient.

A method for securely sharing audio-video data based on full anonymous privacy computation, which is applied to a second hardware edge gateway, the method comprises:

• receiving a first obfuscation set sent by a first hardware edge gateway, wherein, the first obfuscation set is obtained by the first hardware edge gateway performing obfuscation on first service identification information according to a preset obfuscation algorithm, the first service identification information is service identification information for representing a target service, which is generated by the first hardware edge gateway in response to a data sharing request sent by a data recipient, the target service is a service to which audio-video data requested by the data sharing request belongs;
• receiving original audio-video data sent by a data owner, performing identification on contents of the original audio-video data to obtain service identification information for representing a service to which the original audio-video data belongs, as second service identification information;
• encapsulating the original audio-video data and the second service identification information to obtain preprocessed audio-video data;
• performing obfuscation on the second service identification information according to the preset obfuscation algorithm to obtain a second obfuscation set;
• calculating intersection service identification information of the first obfuscation set and the second obfuscation set;
• determining audio-video data to which the intersection service identification information belongs, in the preprocessed audio-video data, as first intersection audio-video data, and sending the first intersection audio-video data to the first hardware edge gateway;
• performing identification on contents of the first intersection audio-video data, to obtain a service category for representing a service to which the first intersection audio-video data belongs as categorizing information and a service grade for representing the service to which the first intersection audio-video data belongs as grading information;
• performing encryption on the categorizing information and the grading information according to the preset encryption algorithm to obtain second encrypted information;
• sending the second encrypted information to the first hardware edge gateway, enabling the first hardware edge gateway to calculate intersection encrypted information of first encrypted information and the second encrypted information, determine audio-video data to which the intersection encrypted information belongs, in the first intersection audio-video data, as second intersection audio-video data, and send the second intersection audio-video data to the data recipient, wherein, the first encrypted information is obtained by the first hardware edge gateway performing encryption on identity information and permission information sent by the data recipient according to the preset encryption algorithm, the method further comprises:
• acquiring an original packet format of the original audio-video data, performing security detection on the original packet format, and determining original audio-video data to which original packet format passing the security detection belongs, as audio-video data to be shared;
• wherein encapsulating the original audio-video data and the second service identification information to obtain the preprocessed audio-video data, comprises:
• encapsulating the audio-video data to be shared and the second service identification information obtained according to the audio-video data to be shared to obtain the preprocessed audio-video data.