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Name		Name	Last commit message	Last commit date
cmd		cmd
vendor		vendor
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
bsdiff.go		bsdiff.go
bsdiff_test.go		bsdiff_test.go
bspatch.go		bspatch.go
bspatch_test.go		bspatch_test.go
doc.go		doc.go
fuzz_test.go		fuzz_test.go
go.mod		go.mod
go.sum		go.sum
writer.go		writer.go

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bsdiff / bspatch

Pure Go implementation of bsdiff 4. Which provides a library for building and applying patches to binary files.

The original algorithm and implementation was developed by Colin Percival. The algorithm is detailed in his paper, Naïve Differences of Executable Code. For more information, visit his website at http://www.daemonology.net/bsdiff/.

This code is a trimmed down and updated version of gabstv/go-bsdiff.

Install

go install -v github.com/totallygamerjet/bsdiff/cmd/...

bsdiff oldfile newfile patch
bspatch oldfile newfile2 patch

License

Copyright 2003-2005 Colin Percival

Copyright 2019 Gabriel Ochsenhofer

Copyright 2025 TotallyGamerJet

This project is governed by the MIT license. For details see the file titled LICENSE in the project root folder.

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Pure Go bsdiff and bspatch libraries and CLI tools.

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