Author Archives: Simeon
Nikon J1/V1 Firmware decoded
I started looking at the J1/V1 firmware last weekend. As compared to the DSLR firmware the XOR pattern is different, but using knowledge from the D5100 firmware, I made very quick progress getting past the first two XOR layers, the … Continue reading
New Transformers are Crazy Hard
When I was ten, Transformers where not that hard to transform. Meet modern Bumblebee, This transformer was crazy hard to transform, in the couple of days I was visting with the 4 year old owner, the head “popped off” multiple … Continue reading
Expectation Stress
Wow, since doing the easy work of decrypting the newer Nikon firmware, I’ve felt an immense pressure to pull another rabbit from the hat, when in reality the last reversing engineering project I worked on took years (2-5), and thus I feeling real burnt out. a) due to trying … Continue reading
Monopoly Deal
The family was given Monopoly Deal for Christmas, and it’s a fantastic game. My first game was a six person double deck game, which was slower, and very brutal. Since then I have played many a game with Jacob (single … Continue reading
IDA Script: Fixing 16bit pushed data segment references
A good friend has started reversing an old 16bit Borland C++ (3.1?) program, and had lots of stack push data segment offsets that were not correctly cross referencing. After telling him the shortcuts for manually fixing the issue (press O … Continue reading
