
Abstract We consider a key-exchange protocol based on matrices over a tropical semiring which was recently proposed in [2]. We show that a particular private parameter of that protocol can be recovered with a simple binary search, rendering it insecure.
FOS: Computer and information sciences, Computer Science - Cryptography and Security, cryptanalysis, public key exchange, 15a80, QA1-939, 94a60, Cryptography and Security (cs.CR), Mathematics, tropical algebra
FOS: Computer and information sciences, Computer Science - Cryptography and Security, cryptanalysis, public key exchange, 15a80, QA1-939, 94a60, Cryptography and Security (cs.CR), Mathematics, tropical algebra
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