基于位运算的BMP图像加密算法研究

Research of BMP image encryption algorithm based on bit operation

设计了两种基于位运算的BMP图像加密算法,序列密码加密算法和分组密码加密算法,并利用DELPHI编程实现了对BMP图像的加密操作.最后根据实验结果对两种算法进行了分析,并比较了它们的优缺点.

Two image encryption algorithms based on bit operation were designed; two algorithms are stream cipher encryption algorithm and block cipher encryption algorithm, BMP image encryption was realized by using DELPHI programming. Finally, Two algorithms were analyzed according to experimental results; advantages and disadvantages of two algorithms were compared.