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Jul 9, 2020 at 12:10 comment added Luis Casillas @DannyNiu: I've made a grammar edit. The point is just that even if the receiver can verify that all individual messages are individually authentic, without some protective measure, an active man-in-the-middle might still have tampered with the sequence of messages. Whether that's a threat depends on the application where the MAC is used.
Jul 9, 2020 at 11:58 history edited Luis Casillas CC BY-SA 4.0
Clarify the last part a bit at DannyNiu's request
Jul 9, 2020 at 2:34 comment added DannyNiu The last part is a bit unclear. "So don't make the mistake of thinking that ..." can you clearify what mistake of thinking should avoid by clearing up the sentence structure? "And even in scenario where ..." are you trying to make the point that "streaming AEAD" (like the ones listed in the links) protects one from unreliable transport of ciphergram? "... but beware reading too much into it" can you make a formalized argument here?
Jul 9, 2020 at 1:04 vote accept DannyNiu
Jul 8, 2020 at 20:49 history answered Luis Casillas CC BY-SA 4.0