Rrxnveeraincryptography-basics-part1.hashnode.dev·Jan 29 · 5 min readCryptography - Part 1Every time you log into a website, send a WhatsApp message, or open an HTTPS link, cryptography is silently working in the background to protect you. But for most people, cryptography sounds scary — full of math, formulas, and confusing jargon. In re...00
Rrxnveerainrxnveera.blog·Dec 22, 2025 · 4 min readWindows Exception HandlingAgenda : what is exception ? what causes an exception ? what are the type of exception handler exist ? who sees it first ? What windows does by default ? when you need to register handlers ? What is windows exception (at OS level) ? An exception is ...00
Rrxnveeraindll-loader-lock.hashnode.dev·Dec 18, 2025 · 1 min readLoader Lockwhat is loader lock ? Loader Lock is a special internal lock , windows holds while loading or unloading DLLs So Windows restricts these operations inside DllMain to avoid deadlocks or hangs. So DLL Sideloading is not possible. Inside DllMain, Windows...00
Rrxnveerainprocess-isolation-in-windows.hashnode.dev·Dec 18, 2025 · 4 min readUnderstanding Process Isolation in WindowsLet’s break down how two processes communicate in Windows, what process isolation means, and how APIs like WriteProcessMemory and VirtualAllocEx manage to access another process’s memory — without breaking the rules. Two Processes Can Communicate In ...00
