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Why every TOTP app default uses SHA-1 hash encryption?
(lemmy.world)
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this post was submitted on 07 May 2024
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Privacy
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SHA1 was the official standard when TOTP started being widely deployed. I wouldn't worry. If you look at how the hash function is actually used in the TOTP algorithm, it would be very hard to exploit SHA-1's vulnerability to finding free collisions. It's much more likely that either the server or the client app gets pwned somehow.