The Curious Engineer

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op-co.de blog

op-co.de/blog

blog about networking, cameras, old gear, and xmpp

Reverse engineeringNetworkingEmbedded / microcontrollers

’10’15’20’25
Posts
35 from 26 Oct 2009 to 26 Jul 2026
Posting
now and then (3 in the last year)
Kind
personal blog
Feed
https://op-co.de/blog/index.rss

2026 2

  1. Authoritative dnsmasq in a MikroTik container
  2. Are Emojis Allowed in XMPP Addresses?

2025 4

  1. Analyzing Darktable OpenCL Memory Use
  2. Reverse-engineering Fujitsu M7MU RELC hardware compression
  3. Converting a folder of ZIPs into git history
  4. Samsung NX mini (M7MU) Firmware File Format

2024 8

  1. Happy 15th Birthday, APRSdroid (my FOSS Android Scala app)!
  2. Re-using OpenSSH host keys for initramfs Dropbear
  3. Backward-incompatible GRUB2 change causing BIOS setup bootloop
  4. Samsung Galaxy NX: a decade's review
  5. Samsung NX camera to Mastodon bridge
  6. Samsung WB850F Firmware Reverse-Engineering
  7. Samsung WiFi Camera G̶r̶a̶v̶e̶y̶a̶r̶d̶ Museum
  8. Converse.js webchat for prosody-hosted chatrooms

2023 3

  1. Samsung NX 2009 Crypto Fail: Social Media Uploads
  2. ESP32-EGA16-TGA Shitty Camera
  3. Samsung NX Camera Archaeology

2020 1

  1. Change Boot Device Order on HP MicroServer Gen8 with Broken NAND

2017 1

  1. Unix Time: 1,5 Billion Seconds And Y2K38

2016 1

  1. IT Security Lessons from Fairy Tales

2015 2

  1. .IM TLD DNSSEC DLV DANE XMPP TLSA RR
  2. Hacking the Samsung NX300, part 3: Firmware Mods

2014 4

  1. Java/Android SSLSocket Vulnerable to MitM Attacks
  2. Hacking the Samsung NX300, part 2: Get Root!
  3. Hacking the Samsung NX300 'Smart' Camera
  4. The (Sad) State of Mobile XMPP in 2014

2013 1

  1. Why Android SSL was downgraded from AES256-SHA to RC4-MD5 in late 2010

2011 2

  1. Happy Birthday, APRSdroid (my OSS Scala app for Android)!
  2. eGroupWare + SyncML + Evolution + Nokia S60 + Android

2010 1

  1. Multi-window Mutt with Screen

2009 5

  1. Cheating the Android
  2. libhomebrew: the homebrew abstraction library
  3. cgit & Syntax Highlighting
  4. XEP-0198: Stream Management - why do we need it?
  5. Testing ikiwiki