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A comment on Linus on Git and SHA-1. Parent comment

Re:Linus on Git and SHA-1 by mappu on Saturday February 25, 2017 @05:04PM (#13734122)
>(Also: if he's going to truncate a hash, he use SHA-512, which will be faster on 64-bit platforms)

BLAKE2 is faster still! It's also at least as secure as SHA-3, and produces any choice of output size up to 512bit.

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Re:Linus on Git and SHA-1 by stouset on Saturday February 25, 2017 @05:23PM (#13734210)
I'm a fan of blake2, but SHA-2 is the conservative choice here given the sheer amount of cryptanalysis it's been subjected to.
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