分组密码算法矩阵乘法运算的设计原理

Theory of Matrix Multiplicative Targeted in Block Ciphers

通过分析分组密码算法中矩阵乘法运算的设计原理和特点,结合逻辑电路结构特征,提出一种可重构矩阵乘法硬件架构的设计原理及方法.电路模拟结果显示,按此原理设计的运算电路在保持运算电路高效性的同时,提高了硬件电路的灵活性.

On the basis of analyzing the theories and characterist ics of matrix multiplicative which is used in block ciphers and the characters o f logic circuit,the authors presented a theory and method of designing a dynami c reconfigurable hardware architecture of matrix multiplicative.The analog circ uit on computer proves that the circuit which is designed according to the metho d presented in this paper is effective in keeping the efficiency of circuit and improves the flexibility of the circuit.