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Medical alliance chain lightweight dynamic autonomous cross-chain interaction method

An interactive method and lightweight technology, applied in the field of medical alliance chain, can solve problems such as the inability to directly apply the lightweight cross-chain dynamic autonomous interaction scene of medical alliance chain, and the realization of complex logic

Active Publication Date: 2020-04-10
ZHOUKOU NORMAL UNIV
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Problems solved by technology

However, the above-mentioned cross-chain communication technology mainly guarantees the atomicity of asset interaction through asset mortgage, and the implementation logic of handling general digital asset on-chain and asset interaction transactions is relatively complicated, and cannot be directly applied to the lightweight cross-chain dynamic autonomy of the medical alliance chain. interactive scene

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  • Medical alliance chain lightweight dynamic autonomous cross-chain interaction method
  • Medical alliance chain lightweight dynamic autonomous cross-chain interaction method
  • Medical alliance chain lightweight dynamic autonomous cross-chain interaction method

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Embodiment Construction

[0074] The present invention will be further explained below in conjunction with accompanying drawing and specific embodiment:

[0075] In the medical Internet of Things system, the underlying network collects user health information through medical monitoring equipment and transmits it to the aggregation gateway. The aggregation gateway has stronger storage, processing and communication capabilities than the collection equipment, and realizes the integration with the underlying network downward and smooth access to the network integration system. The ordinary users, patients and management personnel of the same medical institution are used as ordinary nodes in the medical alliance chain, and the transfer and interaction of assets are realized by deploying and executing smart contracts on the smart gateway. The status cycle of the smart contract is as follows: figure 1 shown.

[0076] Any node in the system can write its own data assets into the smart contract through the gat...

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Abstract

The invention belongs to the technical field of medical alliance chains, and discloses a medical alliance chain lightweight dynamic autonomous cross-chain interaction method. The method comprises thesteps: constructing a cross-chain consensus mechanism based on a threshold digital signature; constructing a cross-chain path certification signature, including group key generation and sharing, threshold subgroup signature generation and path certification updating; and realizing the value transfer among different alliance chain nodes. According to the method, the inter-node communication topology of a medical alliance chain is simplified, a node cross-chain communication model based on an intelligent contract state period and a node cross-chain communication identity credibility path provingconstruction rule are given, and dynamic construction and verification of inter-chain transaction interactive credible path proving are carried out; the consensus process of cross-chain transactionsby a plurality of alliance chain verification node lists is modeled into a threshold digital signature process with a plurality of privilege subgroups, so the alliance chain internal consensus based on the verification node lists is expanded into the inter-alliance chain cross-chain consensus on the premise of not increasing the computational complexity.

Description

technical field [0001] The invention belongs to the technical field of medical alliance chains, and in particular relates to a lightweight dynamic autonomous cross-chain interaction method for medical alliance chains. Background technique [0002] Existing research on medical data storage and management mainly focuses on cloud service technology, fog computing, and edge computing. Typical research includes: Literature [1] ([1] Singh K, Batten L. Aggregating privatized medical data for secure querying applications. Future Generation Computer Systems, 2017, 7(72): 250–263. https: / / doi.org / 10.1016 / j.future.2016.11.028.) proposed a solution based on non-standard diagonal data aggregation method for sharing sensitive data; Literature [2] ([2]Jabeen F, Hamid Z, WadoodA, et al.Enhanced Architecture for Privacy Preserving Data Integration in a Medical Research Environment[J].IEEE Access,2017:13308-13326.) proposed a context-aware privacy protection Scheme; Literature[3]([3]Al Hamid...

Claims

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Application Information

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IPC IPC(8): G16H10/60G06F21/62
CPCG16H10/60G06F21/6245G06F21/6272
Inventor 乔蕊秦泽华范克涛秦杰郭锦权周帅白采莹
Owner ZHOUKOU NORMAL UNIV
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