Abstract
The educational credential is an important reference for enterprises to screen students. However, the educational credentials are normally stored in a centralized cloud server with improper maintenance and inadequate supervision, and students’ credentials are easily tampered with by server administrators. In addition, students’ credentials are also sensitive information and therefore need to be encrypted and stored in the cloud server, but traditional encryption schemes face challenges because of private key sharing. The paper designs a privacy-preserving educational credentials sharing scheme based on blockchain and proxy re-encryption. The proposed approach addresses the problems of centralized storage and encryption sharing. Students’ sensitive information is encrypted and stored in a cloud server, and the hash index is stored in a blockchain. Enterprise is able to match students’ public information and request private credentials by proxy re-encryption. We also realize the prototype of the system and evaluate the performance of the encryption scheme.
This research is supported by the National Natural Science Foundation of China under (Grant No. 62002296), the Natural Science Foundation of Jiangsu Province under (Grant No. BK20200250), the Suzhou Science and Technology Project-Key Industrial Technology Innovation (Grant No. SYG202006, SYG202122), the Future Network Scientific Research Fund Project (Grant No. FNSRFP-2021-YB-41), the XJTLU Key Programme Special Fund under (Grant No. KSF-E-54, KSF-E-65), the XJTLU Research Development Fund (Grant No. RDF-17-02-04), the XJTLU AI University Research Centre and Jiangsu Provincial Data Science and Cognitive Computational Engineering Research Centre at XJTLU.
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Hou, D., Ma, J., Peng, Z., Zhang, J., Zhu, X. (2023). Privacy-Preserving Educational Credentials Sharing Based on Blockchain and Proxy Re-Encryption. In: Hong, W., Weng, Y. (eds) Computer Science and Education. ICCSE 2022. Communications in Computer and Information Science, vol 1811. Springer, Singapore. https://doi.org/10.1007/978-981-99-2443-1_10
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