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Reverse-engineering Fujitsu M7MU RELC hardware compression

op-co.de · published 5 May 2025

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https://infosec.exchange/@IgorSkochinsky

infosec.exchange

https://encode.su/threads/4391-Need-help-reverse-engineering-LZSS-used-in-Samsung-NX-mini-camera-firmware?p=85238

encode.su

https://www.fujitsu.com/uk/Images/a52.pdf

fujitsu.com

https://github.com/ge0rg/samsung-nx-hacks/wiki/M7MU-Compression

github.com

https://github.com/ge0rg/samsung-nx-hacks/blob/master/tools/m7mu.py

github.com

https://github.com/ge0rg/samsung-nx-emailservice?tab=readme-ov-file

github.com

https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Storer%E2%80%93Szymanski

en.wikipedia.org

https://web.archive.org/web/20201027065356/https://www.jsof-tech.com/unpacking-hp-firmware-updates-part-3/

web.archive.org

https://w1.fi/cgit/hostap/tree/wpa_supplicant/wpa_supplicant.c?id=9e0749737c39312da005391c13eb715b2e5d5b1c

w1.fi

https://w1.fi/cgit/hostap/commit/?id=fb2ab5dd6a2938bd011baa3498907c18952437b4

w1.fi

https://w1.fi/cgit/hostap/commit/wpa_supplicant/wpa_supplicant.c?id=9e0749737c39312da005391c13eb715b2e5d5b1c

w1.fi

https://w1.fi/cgit/hostap/commit/wpa_supplicant/wpa_supplicant.c?id=57d38ddf6be4ec7b0347ddd96f250ac86efb890e

w1.fi

Encoding Text in UTF-8 – How Unicode Works (Part 2) Read at the source ↗

gregtatum.com

http://midi.teragonaudio.com/tech/midifile/vari.htm

midi.teragonaudio.com

https://johnforstmeier.com/notes/fafo-method/

johnforstmeier.com

https://www.fujitsu.com/downloads/JP/archive/imgjp/group/fei/services/fei/compress/pamphlet.pdf

fujitsu.com

https://www.kagafei.com/jp/products/archiver/

kagafei.com

https://www.kagafei.com/_cache_5230/content/mss5045sample-3822580000376669.exe

kagafei.com

https://www.kagafei.com/_cache_e648/content/14_algorithm-3822580000376591.pdf

kagafei.com

Samsung NX mini (M7MU) Firmware File Format Read at the source ↗

op-co.de

https://github.com/ge0rg/samsung-nx-hacks/blob/master/tools/m7mu-decompress.py

github.com

https://chaos.social/@ge0rg/114456224083746403

chaos.social

https://news.ycombinator.com/item?id=43896944

news.ycombinator.com