Encrypts and Decrypts a file. This is not an \"uncrackable\" type of encryption but once you can understand the basics of this type of file encryption you CAN make better ones than me. This is just a quick example of basic encryption. Highly commente

写专属或加密程序。 程序应该采取作为输入由程序然后加密的文件名。 程序应该要求用户输入密钥，应该用于加密文件。 程序的输出应该进入一个文件以同一个文件名，但.ENC引伸。-Write an exclusive-OR encryption program. The program should take as input a filename that is then encrypted by the program. The program should ask the user to i

文件保险箱。 调用CryptoAPI实现文件的加密和解密。-Documents safe. CryptoAPI calls file encryption and decryption.