Lu-Lee cryptosystem and its modification proposed by Adiga and Shanker have been attacked by several authors, the critical reason for which is that their encryption functions are linear, therefore, the cryptanalysis f...Lu-Lee cryptosystem and its modification proposed by Adiga and Shanker have been attacked by several authors, the critical reason for which is that their encryption functions are linear, therefore, the cryptanalysis for both the systems can be translated into solving integer linear programmings with variables no more than 4, which can be solved by展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Lu-Lee cryptosystem and its modification proposed by Adiga and Shanker have been attacked by several authors, the critical reason for which is that their encryption functions are linear, therefore, the cryptanalysis for both the systems can be translated into solving integer linear programmings with variables no more than 4, which can be solved by
