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On the Security of the Cha-Ko-Lee-Han-Cheon Braid Group Public Key Cryptosystem
Published 20 Aug 2007 in cs.CR | (0708.2571v5)
Abstract: We show that a number of cryptographic protocols using non-commutative semigroups including the Cha-Ko-Lee-Han-Cheon braid group public-key cryptosystem and related public-key cryptosystems such as the Shpilrain-Ushakov public-key cryptosystems are based on the MSCSP.
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