基于DES五种加密，电码本模式（Electronic Codebook Book (ECB)）；2.密码分组链接模式（Cipher Block Chaining (CBC)）；3.计算器模式（Counter (CTR)）；4.密码反馈模式（Cipher FeedBack (CFB)）；5.输出反馈模式（Output FeedBack (OFB)）(Five kinds of encryption based on DES .Electronic Codebook Book(ECB).Cipher

Kaggle比赛中对于亚马逊的广告点击率预估rank1，其中包含相关数据和代码(the Kaggle competition, the ad click rate for Amazon is estimated to be Rank1, which contains relevant data and code)

这是仿照格式工厂 业余时间做的。但是时间问题，没有继续下去(This is done in the amateur time of the format factory. But the question of time is not going on)

自己写的在CTR模式下的AES加解密算法，由PyQt5开发的界面设计，时间戳作为伪随机输入(AES encryption and decryption algorithm in CTR mode written by myself, interface design developed by PyQt5, time stamp as pseudo-random input)