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Re: ECDSA attack

From: Christian Grothoff
Subject: Re: ECDSA attack
Date: Tue, 7 Mar 2023 13:32:02 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0

Hi Bernd,

I don't quite see that the attack applies, as our nonces are high-entropy *and* never attacker-controlled.

So my (brief) reading of the paper doesn't suggest that this kills GNS-ECDSA.

My 2 cents


On 3/7/23 11:29, Bernd Fix wrote:

reading a recent paper ( I wonder if this has any impact on GNUnet - especially GNS, which uses ECDSA signatures for PKEY-signed payloads. Do we need to phase out PKEYs and replace them with EDKEYs in the future?

Cheers, Bernd.

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