{"id":12336,"date":"2026-09-25T15:50:10","date_gmt":"2026-09-25T07:50:10","guid":{"rendered":"\/jase\/?post_type=tkuisotope&p=12336"},"modified":"2026-09-25T20:16:34","modified_gmt":"2026-09-25T12:16:34","slug":"jase-202612-35-059","status":"publish","type":"tkuisotope","link":"\/jase\/?tkuisotope=jase-202612-35-059","title":{"rendered":"Cloud-Edge Data Security Transmission and Privacy Protection Encryption Mechanism for BIM Collaborative Design"},"content":{"rendered":"\n
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<\/i> 2026<\/a><\/p>\n<\/div>\n\n\n\n

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<\/i> Volume 35<\/a><\/p>\n<\/div>\n\n\n\n

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Tan Ye, Bin Xu, Hu Jiang<\/i><\/a><\/p>\n\n\n\n

Zhejiang Huazhan Research and Design Institute Co., Ltd. Ningbo Zhejiang, 315100, China<\/p>\n<\/div>\n\n\n\n

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Received: July 22, 2026
Accepted: August 19, 2026
Publication Date: September 25, 2026<\/p>\n<\/div>\n<\/div>\n\n\n\n

\"\u4e0a\u50b3\u5716\u7247\"\n\n\n

Comparison of Encryption and Decryption Times for Different Methods. <\/p>\n<\/div>\n<\/div>\n\n\n\n

<\/i> Copyright <\/strong>The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0)<\/a>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.<\/p>\n\n\n\n

Download Citation: BibTeX <\/a>| http:\/\/dx.doi.org\/10.6180\/jase.202612_35.059<\/a> <\/p>\n\n\n\n

Download PDF<\/a><\/p>\n\n\n\n

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With the in-depth application of Building Information Modeling (BIM), BIM collaborative design has evolved into a distributed system with multiple stakeholders, permissions, versions, and terminals carrying sensitive component, structural, MEP, cost, and change information, yet centralized cloud platforms remain weak in secure large-model transmission, cross-organizational authorization, dynamic revocation, integrity verification, and high-concurrency access. This study proposes a cloud-edge data security and privacy protection mechanism on a four-layer architecture (BIM user, edge security, cloud collaboration, security service), decentralizing identity pre-verification, policy caching, key negotiation, model sharding, and integrity checks to edge nodes, while hybrid AES-256\/attribute-based encryption protects fragments and keys, Merkle trees verify integrity, and dynamic revocation uses token expiration and key-version updates. Simulations show that for a 1000 MB model, latency drops about 28.6% versus CP-ABE and 36.8% versus Blockchain-BIM, throughput under 2000 concurrent requests improves about 41.3% over cloud-only access control, with superior tamper detection, privacy protection, revocation latency, load balancing, and scalability.<\/p>\n\n\n\n

Keywords: BIM collaborative design; Cloud-edge collaboration; Secure transmission; Privacy protection; Hybrid encryption; Attribute-based encryption; Access control; Merkle integrity verification; Dynamic revocation<\/em><\/p>\n\n\n\n

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