[issue40791] hmac.compare_digest could try harder to be constant-time.

[Benjamin Peterson]

Benjamin Peterson <benjamin at python.org> added the comment:


New changeset db95802bdfac4d13db3e2a391ec7b9e2f8d92dbe by Miss Islington (bot) in branch '3.7':
bpo-40791: Make compare_digest more constant-time. (GH-23438)
https://github.com/python/cpython/commit/db95802bdfac4d13db3e2a391ec7b9e2f8d92dbe


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nosy: +benjamin.peterson

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