Note for SSL/TLS

Recently, I have been asked several times about what TLS is and how it works. Unfortunately, I failed to give them a detailed answers though I have learned that before. These days, I spent some time on reviewing it, and decidede to post it on my blog, hoping it will help you recall the knowledge about TLS. 

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Note for GraphQL

This is a rough translation from one article on my old Chinese blog. The original one was written on Sept. 19th, 2017. Last weekend, when I was playing a CTF game, I got an interesting challenge about GraphQL. That was my first time to see GraphQL. At that time, I spent some time on Google, trying to get more detail about it, but finally found a few things impressive. This time, I took a twice look at it. Although it may lack some depth, it is enough to be a note.

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