VirtualTam's bookmarks

1. How would git handle a SHA-1 collision on a blob? - Stack Overflow 2015-02-14

   tags: algorithm, code, collision, commit, cryptography/hash, patch, review, security, sha1, source-code-management/gerrit, source-code-management/git

   [ permalink ]

   • https://en.wikipedia.org/wiki/SHA-1
   • http://stackoverflow.com/questions/1867191/probability-of-sha1-collisions
   • http://en.wikipedia.org/wiki/Birthday_problem

   Some thoughts we had while toying with Gerrit, which artificially tracks different commits to group them as "patch sets", by using a Change-Id SHA-1 in the commit message:

   • https://gerrit-review.googlesource.com/Documentation/cmd-hook-commit-msg.html
   • https://gerrit.googlesource.com/git-repo/+/master/hooks/commit-msg