We show that a previously introduced key exchange based on a congruence-simple semiring action is not secure by providing an attack that reveals the shared key from the distributed public information for any of such semirings

翻译：我们通过给出一种攻击方法，展示了基于同余单半环作用的密钥交换协议并不安全，该攻击能够从公开信息中揭示任何此类半环的共享密钥。