An efficient t-out-of-n oblivious transfer for information security and privacy protection

作者：Lou Der Chyuan; Huang Hui Feng^*

来源：International Journal of Communication Systems, 2014, 27(12): 3759-3767.

DOI：10.1002/dac.2573

• private information retrieval
• security
• ECC
• oblivious transfer
• cloud

In t-out-of-n oblivious transfer (OT), the receiver can only receive t messages out of n messages sent by the sender, and the sender has no idea about which ones have been received. Majority of the existence of previous efficient OT schemes require t calls of 1-out-of-n OT to construct the t-out-of-n OT. Its computational requirements and bandwidth consumption are quite demanding. On the basis of the elliptic curves cryptography, we propose a new t-out-of-n OT protocol for private information retrieval in this article. It is more suitable for the smart cards or mobile units.

• 出版日期2014-12
• 单位长春大学