关于Qt下面的简单的文本加密功能

Sometimes, you have to store some information that you may want to protect against casual observation. Think about passwords for remote services, for instance. Strong cryptography is obviously the best solution, but it can be hard to use those in the right
way, they tend to pull in more libraries, and frankly, it may just be overkill for the situation.

Note: additional details are available inSimpleCrypt_algorithm_details

Note: a usage example can be found here Simple_Crypt_IO_Device

详见以下：SimpleEnCryption