The RDE and MRDE algorithm employ the method of random delayed computing, and MRDE algorithm has masking operation.The MRRE algorithm combines data masking and random recoding techniques.

• RDE算法主要应用了随机延迟计算的机制，MRDE算法则进一步增加了屏蔽运算，而MRRE算法则结合数据屏蔽技术和随机重编码方法。