Cemalettin Yılmaz Blog
Google CTF 2019 Work Computer With the confidence of conviction and decision making skills that made you a contender for Xenon’s Universal takeover council, now disbanded, you forge ahead to the work computer. This machine announces itself to you, surprisingly with a detailed description of all its hardware and peripherals. Your first thought is “Why…
Google CTF 2019 Home Computer Blunderbussing your way through the decision making process, you figure that one is as good as the other and that further research into the importance of Work Life balance is of little interest to you. You’re the decider after all. You confidently use the credentials to access the “Home Computer.”…
Google CTF 2019 Satellite Placing your ship in range of the Osmiums, you begin to receive signals. Hoping that you are not detected, because it’s too late now, you figure that it may be worth finding out what these signals mean and what information might be “borrowed” from them. Can you hear me Captain Tim?…
Wireshark What is it? Wireshark is the world’s foremost and widely-used network protocol analyzer. It lets you see what’s happening on your network at a microscopic level and is the de facto (and often de jure) standard across many commercial and non-profit enterprises, government agencies, and educational institutions. Wireshark development thrives thanks to the volunteer contributions…
Google CTF 2019 Enter Space-Time Coordinates Ok well done. The console is on. It’s asking for coordinates. Beating heavily on the console yields little results, but the only time anything changes on your display is when you put in numbers.. So what numbers are you going to go for? You see the starship’s logs, but…
Thread Cooperation Nowadays, I try to learn CUDA. I follow some books for that. In this post, I use CUDA BY EXAMPLE An introduction to General-Purpose GPU Programming book which is written by Jason Sanders and Edward Kandrot. In this section, I try to learn Thread cooperation topic. First I will try to recode big…
Parallel Programming in CUDA C Nowadays, I try to learn CUDA. I follow some books for that. In this post, I use CUDA BY EXAMPLE An introduction to General-Purpose GPU Programming book which is written by Jason Sanders and Edward Kandrot. In this section, I try to learn parallel programming in CUDA C. First I…
CUDA and OpenCV BGR to RGB When I learning CUDA, I always work with random generated arrays and matrices. Today, I want to try real-life problems. In this example, I try to convert BGR to RGB. BGR is OpenCV color format. But some application and libraries use RGB such as OpenGL. I will read simple…