Blockchain key management method, multi-person common signature method and electronic device
A blockchain and key storage technology, applied in the field of information security technology and data encryption management, can solve the problem of low security, achieve excellent space overhead, reduce storage pressure, and improve security.
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[0075] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail through the following examples.
[0076] The invention discloses a block chain key management method that integrates feature encryption and multi-party security calculation. The method is composed of two parts on the chain and off the chain. Distributed ledger), transactions and smart contracts, mainly to complete the execution of contracts and currency settlement; complete operations such as key generation, data encryption and decryption under the chain; collaborative storage of user keys and files on and off the chain; Retrieval and storage of user keys and files on the Internet; storage and recovery of user private keys; for multi-party signature scenarios in the blockchain, use multi-party secure computing to complete collaborative private key storage and signature (decryption); user files and encryption key v...
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