HAHamdaan Aliinfreecodecamp.org·Aug 21 · 99 min readThe Sanitizers Handbook: Memory, Initialization, and RacesSome of the most dangerous native failures are produced by programs that appear to be working correctly. The cryptographic operation returns the right ciphertext. The parser rejects malformed input. T00
HAHamdaan Aliinfreecodecamp.org·Feb 18 · 53 min readHow to Elevate Your Database Game: Supercharging Query Performance with Postgres FDWForeign data wrappers (FDWs) make remote Postgres tables feel local. That convenience is exactly why FDW performance surprises are so common. A query that looks like a normal join can execute like a distributed system: rows move across the network, r...00
HAHamdaan Aliinfreecodecamp.org·Apr 2, 2025 · 48 min readThe Cryptography Handbook: Exploring RSA PKCSv1.5, OAEP, and PSSThe RSA algorithm was introduced in 1978 in the seminal paper, "A Method for Obtaining Digital Signatures and Public-Key Cryptosystems". Over the decades, as RSA became integral to secure communications, various vulnerabilities and attacks have emerg...00
HAHamdaan Aliinfreecodecamp.org·Mar 18, 2024 · 20 min readHow to Protect Data in Transit using HMAC and Diffie-Hellman in Node.js [Full Handbook]Data integrity refers to the assurance that data will remain accurate, unaltered, and consistent throughout its lifecycle. In communication, data integrity is important in safeguarding against unintended alterations and malicious interventions during...00
HAHamdaan Aliinfreecodecamp.org·Jan 5, 2024 · 13 min readHow to Defend Against Server-Side Request ForgeryServer-Side Request Forgery (SSRF) has been a consistent issue in application security and is among the OWASP Top 10 vulnerabilities. In this walkthrough, you'll first learn what Server-Side Request Forgery is and how it differs from Client-Side Requ...00
