It makes the "SIV fixes this" a non-sequitur. "SIV fixes this" is like saying "n... | Hacker News

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		aidenn0 on Nov 30, 2021 \| parent \| context \| favorite \| on: Why I Have Settled on XChaCha20+Blake3 for AEAD It makes the "SIV fixes this" a non-sequitur. "SIV fixes this" is like saying "not using GCM fixes this" which (for avoiding a problem in GCM) is somewhat uninteresting.

api on Nov 30, 2021 [–]

Actually you're right. I was equivocating because there are SIV modes that use GMAC, the MAC component of GCM, for its performance benefits on hardware.

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