From Collisions to Chosen-Prefix Collisions Application to Full SHA-1 https://eprint.iacr.org/2019/459.pdf
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HMAC-MD5 is fine. Plain MD5 is not.
End of conversation
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Crypto noob here: if I can do a chosen-prefix attack on a hash, does that imply I can create a hash collision even if the data I have control over is inserted into the middle of a string rather than the end?
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If the suffix is the same, yes.
End of conversation
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How's the Git hash function transition going?https://github.com/git/git/blob/master/Documentation/technical/hash-function-transition.txt …
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SHA-1 is well known for vulnerable to theoretical attacks. Still it's widely used in some areas.
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