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[TLS] Re: WG Adoption Call for ML-KEM Post-Quantum Key Agreement for TLS 1.3

"Bellebaum, Thomas" <thomas.bellebaum@aisec.fraunhofer.de> Wed, 16 April 2025 08:19 UTC

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From: "Bellebaum, Thomas" <thomas.bellebaum@aisec.fraunhofer.de>
To: "stephen.farrell@cs.tcd.ie" <stephen.farrell@cs.tcd.ie>, "rsalz=40akamai.com@dmarc.ietf.org" <rsalz=40akamai.com@dmarc.ietf.org>
Thread-Topic: [TLS] Re: WG Adoption Call for ML-KEM Post-Quantum Key Agreement for TLS 1.3
Thread-Index: AQHbrPJBV3/74HL8TkOCNQdviQ3EgLOlWuuAgAAIB4CAACfpAIAAA5sAgAACX4CAAGPngIAAAc0A
Date: Wed, 16 Apr 2025 08:19:05 +0000
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> For comparison, [2] is an implementation of Curve25519 using no heap space.  
> On an ATmega128, it uses 462 bytes of stack space for a curve multiplication.

Small correction: Almost no heap space :)
It uses three 32-byte constants which could be reconstructed dynamically.
Those being: The number 0, the number 1, and the curve base coordinate 9.

-- TBB

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