Deep Dive into Git Internal with SHA1 and Hash

Questions

• What is SHA1?
• What if 2 hash collision while using git?
• Process of sign a commit or tag in git?
• Why sing a commit or tag is required?
• How Sign a commit/tag works?
• What are the methods to sign a commit or tag?

Reference

• https://stackoverflow.com/questions/10434326/hash-collision-in-git
• https://github.blog/2017-03-20-sha-1-collision-detection-on-github-com/
• https://stackoverflow.com/questions/9392365/how-would-git-handle-a-sha-1-collision-on-a-blob
• https://github.blog/2017-03-20-sha-1-collision-detection-on-github-com/
• https://stackoverflow.com/questions/9392365/how-would-git-handle-a-sha-1-collision-on-a-blob/9392525#9392525
• https://stackoverflow.com/questions/9392365/how-would-git-handle-a-sha-1-collision-on-a-blob/9392525#9392525
• https://stackoverflow.com/questions/10434326/hash-collision-in-git
• https://git-scm.com/book/en/v2/Git-Internals-Git-References
• https://git-scm.com/book/en/v2
• https://github.com/progit/progit2/releases/download/2.1.146/progit.pdf
• https://git-scm.com/book/en/v2
• https://diego.assencio.com/?index=eacd6eedf46c9dd596a5f12221ad15b8
• https://stackoverflow.com/questions/9392365/how-would-git-handle-a-sha-1-collision-on-a-blob
• https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html
• https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html
• http://rogerdudler.github.io/git-guide/
• https://matthew-brett.github.io/curious-git/index.html

Rajesh Kumar

I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.

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