Diary

Dear Diary – October 29,2025

We had to come to school early, at 7 AM. Then, when I got to school, Sir suddenly messaged the group chat that class would start at 7:30 AM instead. At that time, it suddenly rained heavily. It’s crazy because it’s only when I didn’t wear a jacket that it rained and got cold. I thought it would be hot that day. So, we started class around 8 AM and many of us were wet. There was even a bit of flooding in the waiting area where we hung out. I felt so cold earlier that I just wanted to sleep and wrap myself in a blanket. Then, I took pictures and played with the adjustments like contrast, exposure, and so on. It was just to pass the time while waiting for class.

Then class started, and it was about data encryption, all zeros and ones, which is confusing because one character has 8 bits, and the 8-character ASCII we had earlier, we had to make into 64 bits, then convert it into Initial Permutation, then convert and convert the binary to 32 bits, 56 bits, 48 bits, and so on. It’s quite dizzying and confusing because if even one bit is wrong, everything will be wrong. And that’s just one round; there are still 16 rounds. It’s crazy and dizzying. I hope I pass that subject.

And we still have a project in that subject. We have so many projects that need to be finished and passed this November, like 5 systems to develop, right? Ugh, I don’t know what to prioritize. I feel like I’m going bald because my hair is falling out due to stress. You can’t even do the projects in advance because there’s an activity every day, so the projects just pile up because we prioritize passing the activities first. I’m so tired and sleepy all the time. So that’s all for now.

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