主要实现了列变换加密的功能，调试软件是microsoft visual c++ 6.0，将keyword反复的写在明文上方，通过明文与keyword的对应组合到给定的表中查找相应的字母，就可以得到密文。-The main achievement of the the column transform encryption function, debugging software is Microsoft the visual c++ 6.0, write the keyword repeated at the top of the plaintext corresponding plain text and keyword combinations to find the appropriate letter to the given table, you can get the ciphertext.