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hxd-plugin's Issues

ExpressionSearchPlugin request

Can you write an expression search plugin? I have tried other binary editing software, but it is not as useful as Hxd. Unfortunately expression search is not currently supported

Crazy RAM usage

I am getting crazy RAM usage with HxD when opening files and having this plugin enabled; it will actually freeze the application temporarily with a "Not responding". It seems to happen every time with a high-entropy file (encrypted/compressed), otherwise is kind of hit or miss on "regular" files.

Test Avg. RAM Usage Plugin Enabled?
HxD Open (no files) 6MB Yes
HxD Open (no files) 6MB No
*Opened a 9MB encrypted file 46MB Yes
*Opened a 9MB encrypted file 7MB No
*Opened a 15MB encrypted file 680MB Yes
*Opened a 15MB encrypted file 7MB No

*These tests were simply opening the file and watching Task Manager; no scrolling, selecting, or anything was done in HxD. The CPU usage reaches nearly 20% until it reaches the "max" RAM. When closing the file, the RAM usage nearly cuts in half, but still stays high (e.g. the 680MB -> 340MB).

  • HxD 2.4.0.0 (x86-64) (no other plugins)
  • Windows 10 1909
  • i7 9th gen w/ 16GB RAM

Screenshot with the 15MB file open:

image

Attaching one of the example files that triggers this reliably (zipped, it is an encrypted file).

8A5B5897.JPG.zip

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