A New Code-Based Traceable Ring Signature Scheme
A New Code-Based Traceable Ring Signature Scheme
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一种新的基于代码的可追溯环签名方案
DOI:
10.1155/2022/3938321
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发表时间:
2022-04
影响因子:
--
通讯作者:
Li-Ping Wang
中科院分区:
文献类型:
--
作者:
Yanhong Qi;Li-Ping Wang
Traceable ring signatures (TRS) can reveal the identity of the signer if he signs two different messages on the same tag in the group of users. They are widely used in e-voting and cryptocurrencies such as Monero. However, there is still no secure code-based TRS scheme in the random oracle model (ROM). In this paper, we propose a code-based TRS scheme whose security is based on the hardness of the syndrome decoding problem and 2-regular null syndrome decoding problem. We show that our scheme is secure in the ROM in terms of tag-linkability, anonymity, and culpability. The signature size of our scheme is logarithmic in terms of the ring size.
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