| dc.description.abstract | As the development of the sixth-generation wireless communication system (6G) progresses, it is anticipated to significantly surpass 5G in terms of speed, capacity, and low latency performance. However, the expansion and diversity of 6G networks bring new challenges, particularly the time and cost consumption caused by repeated verification in network slicing exchanges and the cybersecurity risks associated with excessive reliance on third-party certification authorities. To address these issues, we have designed a decentralized network slicing exchange management mechanism suitable for 6G. This mechanism utilizes Fast Identity Online (FIDO) technology for rapid identity authentication, combined with blockchain technology to ensure the integrity and immutability of user identity data, thereby enhancing data security. In network slicing management, we introduce proxy re-encryption technology. This technology ensures that verification data is not directly revealed during the process of exchanging network slices, preventing third-party institutions from decrypting the data directly. This approach reduces reliance on third-party institutions while safeguarding the confidentiality of user identity authentication data. Additionally, to effectively counter potential malicious operations by malicious users, we adopt chameleon hash functions to implement an identity revocation mechanism. We also provide a comprehensive Authentication, Authorization, and Accounting (AAA) function to ensure secure management and encryption protection of personal data and transaction records, thereby achieving a more efficient and secure 6G network environment. We also conducted security analysis and simulation verification to evaluate the performance of the proposed scheme. Our scheme demonstrates lower computational and communication overhead compared to existing schemes. | en_US |