A ring signature scheme over braid groups |
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Authors: | Yun Wei Guohua Xiong Wansu Bao Xingkai Zhang |
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Affiliation: | [1]Institute of Electronic Technology, Information Engineering University, Zhengzhou 450004, China [2]Institute of Electronic Technology, Beijing 100105, China [3]Unit 96610, Beijing 102208, China |
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Abstract: | Quantum algorithms bring great challenges to classical public key cryptosystems, which makes cryptosystems based on non-commutative
algebraic systems hop topic. The braid groups, which are non-commutative, have attracted much attention as a new platform
for constructing quantum attack-resistant cryptosystems. A ring signature scheme is proposed based on the difficulty of the
root extraction problem over braid groups, which can resist existential forgery against the adaptively chosen-message attack
under the random oracle model. |
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Keywords: | Braid group Ring signature Root extraction problem Random oracle model |
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