[HN Gopher] The foundations of modern end-to-end encryption: Sig...
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The foundations of modern end-to-end encryption: Signatures (2021)
Author : z0mbie42
Score : 46 points
Date : 2022-06-06 15:04 UTC (7 hours ago)
(HTM) web link (kerkour.com)
(TXT) w3m dump (kerkour.com)
| woodruffw wrote:
| > This is why advanced protocols like Signal use more techniques
| such as the double ratchet or ephemeral key bundles to provide
| strong security guarantees, such as protection against replay
| attacks.
|
| Just to clarify: you only get replay protection when you
| _compose_ ephemeral key bundles with the double ratcheting
| scheme. Neither provides it on their own.
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(page generated 2022-06-06 23:01 UTC)