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Git 3.0's upcoming SHA-256 default will be a costly mistake

Article URL: https://blog.gitbutler.com/git-3-sha-256 Comments URL: https://news.ycombinator.com/item?id=49924179 Points: 227 # Comments: 236

Git 3.0 will introduce SHA-256 as the new default content hashing algorithm, which the author warns could prove to be an expensive and largely unnecessary change. The current default algorithm, SHA-1, has been considered secure for the last 20 years, with no known collisions or second-preimage attacks that would affect Git's integrity. The SHA-256 algorithm is stronger, but the shift to it may incur significant costs and cause unnecessary headaches for developers.

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