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A comment on Preventing Timing Attacks on String Comparison with Double HMAC Strategy (2015). Parent comment

Re:Preventing Timing Attacks on String Comparison with Doubl... by pornel on Sunday November 21, 2021 @02:01PM (#29298748)
No, `hash(hash(input)) == hash(hash(secret))`.
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Re:Preventing Timing Attacks on String Comparison with Doubl... by justinsteven on Sunday November 21, 2021 @06:06PM (#29300691)
No, `hmac(key=key, message=input) == hmac(key=key, message=secret)` where key is either a static secret key for comparison purposes, or random for each comparison.
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