https://it-digger.net/posts/Recent content in My Archive on IT-DiggerHugoen-usSun, 31 May 2026 14:38:01 +0000https://it-digger.net/posts/06-why-i-rejected-vault-and-python-to-build-a-zero-dependency-tls-generator-with-graalvm/Sun, 31 May 2026 14:38:01 +0000https://it-digger.net/posts/06-why-i-rejected-vault-and-python-to-build-a-zero-dependency-tls-generator-with-graalvm/How do you reliably test certificate expiration and mTLS handshakes in local environments without setting up complex enterprise machinery? Here is why I skipped HashiCorp Vault, bypassed Python, and leveraged Java with GraalVM Native Image to build a standalone, 5ms CLI utility called Certshift.https://it-digger.net/posts/05-intercepting-https-traffic-a-deep-dive-with-jsslkeylog-and-wireshark/Fri, 08 May 2026 11:04:34 +0000https://it-digger.net/posts/05-intercepting-https-traffic-a-deep-dive-with-jsslkeylog-and-wireshark/Learn how to decrypt Spring Boot HTTPS traffic using jSSLKeyLog and Wireshark. A step-by-step guide for TLS 1.3 secrets from the Java Virtual Machine.https://it-digger.net/posts/04-digging-into-the-retroflag-nespi-case-for-ubuntu/Wed, 29 Apr 2026 18:15:17 +0000https://it-digger.net/posts/04-digging-into-the-retroflag-nespi-case-for-ubuntu/Stop risking SD card corruption. This guide walks you through a robust setup to make RetroFlag hardware work perfectly with Ubuntu on Raspberry Pi 4, including the &lsquo;missing&rsquo; LED fix.https://it-digger.net/posts/03-can-project-look-save-a-2008-laptop/Sun, 12 Apr 2026 14:59:03 +0000https://it-digger.net/posts/03-can-project-look-save-a-2008-laptop/I ran 100,000 tasks on a Core 2 Duo to see if Virtual Threads are truly the &lsquo;Great Equalizer&rsquo; for old hardware.https://it-digger.net/posts/02-java-bytecode-mysteries-explained/Sat, 11 Apr 2026 16:39:04 +0000https://it-digger.net/posts/02-java-bytecode-mysteries-explained/Ever wondered what happens under the hood of the JVM? From the curious case of the double <code>MONITOREXIT</code> to the fact that booleans don&rsquo;t actually exist in bytecode, we explore 5 fascinating mysteries revealed by <code>javap that</code> every Java developer should know.https://it-digger.net/posts/01-graalvm-vs-openjdk-basics/Wed, 08 Apr 2026 11:13:47 +0000https://it-digger.net/posts/01-graalvm-vs-openjdk-basics/Exploring the evolution of the Java Virtual Machine: A deep dive into GraalVM’s Graal compiler versus OpenJDK’s C2. We examine Ahead-of-Time (AOT) compilation, polyglot capabilities, and why &lsquo;write once, run anywhere&rsquo; is getting a significant performance upgrade.