Data capsule packaging method, system and equipment for public data authorization opening
The invention discloses a data capsule packaging method, system and equipment for public data authorization opening. An access strategy, an access task and watermark information are introduced, and the controllability and compliance of authorization and access of the public data are further guarante...
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| creator | HUANG WEICHANG SHENG CHUNJIE ZHOU LINGFEI ZHOU SHIFEI LYU QIUYUN ZHOU YILONG CHEN YINGJIE LI YE |
| description | The invention discloses a data capsule packaging method, system and equipment for public data authorization opening. An access strategy, an access task and watermark information are introduced, and the controllability and compliance of authorization and access of the public data are further guaranteed. According to the method, multiple cryptographic algorithms including SM2 asymmetric encryption, a fast attribute-based encryption technology and the like are adopted to protect the confidentiality of public data. Wherein the public data processing party can generate a random secret key, encrypts the public data under a specified access strategy, and packages the public data into a data capsule. In addition, the public data processing party can also generate an access task so as to additionally specify public data users with decryption authority and specific information capable of being decrypted. By recovering the authorization record, the access task decryption record and the data capsule decryption record rec |
| format | Patent |
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An access strategy, an access task and watermark information are introduced, and the controllability and compliance of authorization and access of the public data are further guaranteed. According to the method, multiple cryptographic algorithms including SM2 asymmetric encryption, a fast attribute-based encryption technology and the like are adopted to protect the confidentiality of public data. Wherein the public data processing party can generate a random secret key, encrypts the public data under a specified access strategy, and packages the public data into a data capsule. In addition, the public data processing party can also generate an access task so as to additionally specify public data users with decryption authority and specific information capable of being decrypted. 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An access strategy, an access task and watermark information are introduced, and the controllability and compliance of authorization and access of the public data are further guaranteed. According to the method, multiple cryptographic algorithms including SM2 asymmetric encryption, a fast attribute-based encryption technology and the like are adopted to protect the confidentiality of public data. Wherein the public data processing party can generate a random secret key, encrypts the public data under a specified access strategy, and packages the public data into a data capsule. In addition, the public data processing party can also generate an access task so as to additionally specify public data users with decryption authority and specific information capable of being decrypted. By recovering the authorization record, the access task decryption record and the data capsule decryption record rec</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Data capsule packaging method, system and equipment for public data authorization opening |
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