基于跨域冗余中纠删码计算的加解密方法、装置及系统
By collaboratively generating encryption masks through data institutions and storage institutions, and utilizing the additive homomorphic properties and XOR operations of erasure coding computation, the problems of high computational resource overhead and data leakage in cross-domain redundancy are solved, thus achieving an efficient and secure data encryption and decryption process.
CN117313120BActive Publication Date: 2026-07-17HUAZHONG UNIV OF SCI & TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUAZHONG UNIV OF SCI & TECH
- Filing Date
- 2023-09-15
- Publication Date
- 2026-07-17
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Figure CN117313120B_ABST
Abstract
本发明公开了一种基于跨域冗余中纠删码计算的加解密方法、装置及系统，属于计算机存储领域，方法包括：掩码生成机构i利用含有其秘密信息的随机数作为纠删码输入，生成n个预掩码，保留第i个预掩码，将第j个预掩码对应发送至掩码生成机构j，n为掩码生成机构的数量，i,j∈{1,2,…,n}且i≠j；掩码生成机构i将其生成并保留的预掩码与其接收到的来自其它掩码生成机构的预掩码相加，得到其加密掩码，所有掩码生成机构的加密掩码形成一组加密掩码组；同理生成多组加密掩码组，随机选择一组加密掩码组，数据机构和存储机构利用各自保留的且与选择的加密掩码组对应的加密掩码，协同完成数据加解密和存储。降低了跨域纠删码的计算开销。
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