From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4AFEBC002D for ; Sat, 8 Oct 2022 13:00:12 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id A9BBB4093F for ; Sat, 8 Oct 2022 13:00:10 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org A9BBB4093F Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=bip324.com header.i=@bip324.com header.a=rsa-sha256 header.s=protonmail2 header.b=HU3yK6x6 X-Virus-Scanned: amavisd-new at osuosl.org X-Spam-Flag: NO X-Spam-Score: -2.102 X-Spam-Level: X-Spam-Status: No, score=-2.102 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jMaxwi5a0zND for ; Sat, 8 Oct 2022 13:00:09 +0000 (UTC) X-Greylist: delayed 15:41:34 by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 797F8408FE Received: from mail-40136.proton.ch (mail-40136.proton.ch [185.70.40.136]) by smtp4.osuosl.org (Postfix) with ESMTPS id 797F8408FE for ; Sat, 8 Oct 2022 13:00:08 +0000 (UTC) Date: Sat, 08 Oct 2022 12:59:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bip324.com; s=protonmail2; t=1665234005; x=1665493205; bh=WmNWX1+vAcE77ZTZ16LZcajVajpWg7JLaXls3T1WlVU=; h=Date:To:From:Cc:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID; b=HU3yK6x6p9LaxyAoTh/t2zCnQgGH0MXt+howCsLGletuInDdXJaEWu74VVAhNKs4Y UArYKvYLDgaQXurpeVf9fGfBZrxRY+NdafLLG7KoFa1ij8FnTpm8XVhk+KZHO80//4 /au9vFDR+aVs92qcDOB/oNYqA0jepr63RtiU54R/4G/JejniT9CnLz7AVmK8g3Mdin s4pPvTM7VVNNmyePUquuOl5DnDWSAGXajSimwQsBMOtinRS3wl4Ww+NLtYk39iM5po UYjIIZ//cUpwgDzNxrkDYqNXKVyE3PdKIf1r/E4HivbOcvKU6X0dajcmwph3EZnvPW HWXw6cPhq0nZQ== To: bitcoin-dev@lists.linuxfoundation.org From: Dhruv M Message-ID: <56677685-619a-691f-d5bc-54b69fdb6ed2@bip324.com> Feedback-ID: 44080706:user:proton MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailman-Approved-At: Sat, 08 Oct 2022 13:04:01 +0000 Subject: [bitcoin-dev] Refreshed BIP324 X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Oct 2022 13:00:12 -0000 Hi all, We have refreshed the proposal for BIP324, a new bitcoin P2P protocol featuring opportunistic encryption, a mild bandwidth reduction, and the ability to negotiate upgrades before exchanging application messages. We'd like to invite community members to review the BIP[1] and the related Bitcoin Core code[2]. The proposal has a rich history[3]. The big changes since the last public appearance[4] are: * Elligator-swift encoding for the pubkeys in the ECDH exchange to obtain a pseudorandom bytestream * x-only ECDH secret derivation * Transport versioning that allows for upgradability * Trafic shapability using decoy packets and a shapable handshake * Complete rewrite of the BIP text We look forward to your review and comments. -Dhruv, Tim and Pieter [1] BIP Pull Request: https://github.com/bitcoin/bips/pull/1378 [2] All historical and current PRs: https://bip324.com/sections/code-review= / [3] https://bip324.com/sections/bip-review/ [4] https://gist.github.com/dhruv/5b1275751bc98f3b64bcafce7876b489