http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113742764-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06F21-64 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06F21-6227 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G06F21-602 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06F21-64 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06F21-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06F21-62 |
| filingDate | 2021-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-04-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-04-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113742764-B |
| titleOfInvention | Trusted data secure storage method, retrieval method and equipment based on block chain |
| abstract | The invention provides a safe storage method, a retrieval method and equipment of trusted data based on a block chain, wherein the storage method comprises the following steps: acquiring surrounding environment information to determine the security level of a user scene; acquiring a user permission level and a protection level requirement of a user on data to be uploaded; the method comprises the steps of integrating scene security level, authority level and protection level requirements to obtain a final protection level of data to be uploaded; acquiring the size of data to be uploaded, and extracting keywords; if the size is larger, storing the data to be uploaded to the downlink and acquiring a corresponding downlink storage address; if the size is smaller, determining the storage mode of the data to be uploaded as on-chain storage; and packaging the data related information and the keywords according to the final protection level, or packaging the encrypted data related information and the keyword information, or encrypting the data related information and packaging the encrypted data related information after homomorphic encryption of the keyword information, and uploading the packaged data to the block chain. According to the scheme, personalized requirements can be provided for the user. |
| priorityDate | 2021-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID448178512 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID136266884 |
Total number of triples: 16.