[TLS] Re: Working Group Last Call for Post-quantum Hybrid ECDHE-MLKEM Key Agreement for TLSv1.3

"Bellebaum, Thomas" <thomas.bellebaum@aisec.fraunhofer.de> Mon, 13 October 2025 13:45 UTC

Return-Path: <thomas.bellebaum@aisec.fraunhofer.de>
X-Original-To: tls@mail2.ietf.org
Delivered-To: tls@mail2.ietf.org
Received: from localhost (localhost [127.0.0.1]) by mail2.ietf.org (Postfix) with ESMTP id D234672770C3 for <tls@mail2.ietf.org>; Mon, 13 Oct 2025 06:45:38 -0700 (PDT)
X-Virus-Scanned: amavisd-new at ietf.org
X-Spam-Flag: NO
X-Spam-Score: -4.301
X-Spam-Level:
X-Spam-Status: No, score=-4.301 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: mail2.ietf.org (amavisd-new); dkim=pass (2048-bit key) header.d=aisec.fraunhofer.de header.b="chtE+DFS"; dkim=pass (1024-bit key) header.d=fraunhofer.onmicrosoft.com header.b="GXcifb+s"
Received: from mail2.ietf.org ([166.84.6.31]) by localhost (mail2.ietf.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RYBAw4QGMV32 for <tls@mail2.ietf.org>; Mon, 13 Oct 2025 06:45:37 -0700 (PDT)
Received: from mail-edgeka24.fraunhofer.de (mail-edgeka24.fraunhofer.de [IPv6:2a03:db80:4420:b000::25:24]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail2.ietf.org (Postfix) with ESMTPS id F073D72770B5 for <tls@ietf.org>; Mon, 13 Oct 2025 06:45:36 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=aisec.fraunhofer.de; i=@aisec.fraunhofer.de; q=dns/txt; s=emailbd1; t=1760363137; x=1791899137; h=from:to:cc:subject:date:message-id:references: in-reply-to:mime-version; bh=wmxrFOjJ3Jgcms5Vp7kjegtjMwFgO+geHZGCbBrciGA=; b=chtE+DFS+LOAdZAEapz07Sv+IsCOr+08iPyCvlCSXd+eKlg3B/+W7XlD ONOCqSq/wA7jtuXKVhgewzh/hw46WVnHVSbN3r1R0m9YP2zEknTtqvYtN IVRwQQrTI8Rl2jwymS3Bi81IcJ8woojxLxXm/TIjrkCmXVZy2krnkr2ox zxrKoh1Lbpk4ZoP3Y19/9cOALj7HCxKdX7EIuRdush8HvmABvxzVj/FF9 c7Lblv4/tKqkRUDJ9ji46yCcVPO/fnGSr02uYawLBsZEDxPDLuqC24Xiy DnZEXdYSmy5eYxJMjyYCL26y6M1U+zXjDcf0EDgIaWAU4mGvJ7WaqcPys w==;
X-CSE-ConnectionGUID: gjgF8hScQtGlxPC6ZtA5eg==
X-CSE-MsgGUID: bbIg/g80TjamUTlJUGB4nw==
Authentication-Results: mail-edgeka24.fraunhofer.de; dkim=pass (signature verified) header.i=@fraunhofer.onmicrosoft.com
X-ThreatScanner-Verdict: Negative
X-IPAS-Result: A2GVBQDYAO1o/3KjZsBaHQEBAQEJARIBBQUBghCCQEABQS+BOoRVkXaCPQGaMYJQAy4pCAcBAQEBAQEBAQEEAwEBNB0EAQEDAQNDhD0CjEsnOBMBAQEBAwEBAQEBAgUBAQEBAQEBAQEBAQsBAQYBAgEBAQQIAQKBHYYJRgEMgluBJwV0MAIBAQEBAQEBAQEBAQEdAg8mDCoBAR4BBAEdBh0BATcBBAsCAQg7BwICAi8lAgQOE4J1giQEEgMPExQUBq8TgTKBAYIMAQEG2yoYgkAHCQkBgUCBWIIkhFUBgVwSgwtyAYR4ggxDgRU1gkQxPoJKhVSCaYImehSWSVKBFANZLAFVExcLBwWBIEMDKjQtI0sFLR2BJyIhHhNgPRdAg0kbBmgPBoETGUkCAgIFAkI6gWoGHAYfEgIDAQICOlcNgXcCAgSCMYESgioPhEsDC209NxQbkC0QIQ2CGYIZgWqBZUrHMAMEA4I1gWeGXYMzgg6VUzODcQESgVeLPIZJkwuDcpUUIo1mmw4CBAIEBQIQCIF/gX9xgzYJSRkPjiE+g0IzuSJ4AjoCBwsBAQMJkh6BSwEB
IronPort-PHdr: A9a23:2rnwNh+8Yp1YQf9uWTq4ngc9DxPPW53KNwIYoqAql6hJOvz6uci5Z wqHub401QCWDc2bs6sC17GN9fi7GCQp2tWojjMrSNR0TRgLiMEbzUQLIfWuLgnWCsCvRAEBW Pp4aVl+4nugOlJUEsutL3fbo3m18CJAUk6nbVk9Kev6AJPdgNqq3O6u5ZLTfx9IhD2gar9uM Rm6twrcu8cYjId4Nqo8xRTFrmZVd+lUx25lJk+YkxLg6sut5pJu/Cpdtvw7+8JcX6j2erkzQ KBFAjghL20668rnuAXZQwCS/HUcSGIWkhRJAwjB8h73W4r6vzX5uORgxiSUJNX6Q78sVzut9 qtmVhDmhjofOzE27G/YhMpwjLlGoB26vBxw35TUYICOO/VgeK7WYM4XSnBAXsZVUCxBH5+8Y o4SBOcPIepUs4/wrEYIoBCjBwejGfnvxydIiHHow6A0zvghHw/F0gwuHd0BrHvboc76NKsOS +241rXEwSnBYv5QxDzz6JLIchckofyUU759bNTeyU0rFwzblVqfs5HlPzaQ2egVrmOV8epgV eWqi2E9sAF9rCWky8AwionJgYIVz0rL9T5jzIkuO9K4TEp7bsC/H5RKqiGaMpB7TdkjQ2Fzp ik11qcKuZChfCcQ1ZQnwR7fa/uJc4eW+BLvTvueLilhiX9jZbmwiAq8/1K6xe3gSsm7zkxKr ixdn9TIuX0A0wHf59WIRPZ/40qtxDmC2g7R5+xAJU06lanWJ4A/z7M0ipcetVrPEjL0lUnog 6GYeVsp9+mm5unpYbjroIKXOYxsigzmL6gjntKzDf4lPgQSQWSX4/mw2bzt8EHjXblGk/I7n rHHvJ3bOcgWqKu0DxJJ3ok56huyCiqp3MkbkHQCKV9FdhOKgonvNlrTOv73F+2/jE6pkDpzw vDGOaDuDYvVI3jYlbfhYa5960lByAov1dxf54xbCrUGIP/rX0/+rt3YDhsgPwyx3+boEshw2 IADVW6SDaKVKq3SsUWS6eIyJemMZIgVuDjjJPg//fLhkGE2lUccfamvw5QXdGi1EuliLkmHe 3bgn8sNHXkQsgYjTeHnhkeOXSNOa3u9R6484ys0CIOiDYfNXICth7mB0T+nHp1WYWBGD0qDE Wzye4qfRfgMbCaSLdF6nTMeSLihTpQs2guvtA/h1bVoMvDY+iMCtZ35ydh14e3TlRY89TNqF cSRyXyCQH9skmMSWzA2xLx/oVB6ylqby6h4mOZXFdhS5v5RXQo2KYTTz+9gBND3QA3Bf82FR 0qhQtWjGjw+U9cxzMUUY0lhAdmijw7M3zakA7MPkLyLHpM0/rrG33ftP8Z912rG1K45glk6R stPLnarhq9h+AjPCY7FiUKZl7yldagE2i7C73+MzXCSs0FATA5wTaLFUGgBakfOt9T2+F3CQ by0B7k/NwtO08+CKq9TZt3skVVJXuzsONXDb26slGq8HxiIxqmWY4r3fWUd3CLdCEYanAAJ5 3qJKBYxCj+8rGLdDTxuEEribVnw/OdjtX23VlI7zwSQYE17y7W44gYbi+WERf0cxr4Eoz8hq ztsEVilxtzYE9WOqxJ6fKVEb9My+FdH2nzdtwx6JpGuN7lsiEYRfVc/g0S7nQ9sA4FSxJRyp XAjyQNzb6mf1XtNcjqC1tbxN6HZbG7o81rnP7TN01XMhYrO86QG7f057V7kuSmlE0M4+DNm3 sVblXyG6cOZIhAVVMe7eEsz8xVwrqzfJmEB54TR3GYmef2osjjH0slvDuYhzhuqdspaGKqFD wL5VcMADtWoKOsklkLvYh9Sb7Maz7I9I87zL6jO46WsJus1xFpO8ExZtdkumkvZ7TF1D/XI1 sxYnaLQ1V6dWjP1nFqt9dr6nYlUaD1Bewj3xX3qHodMYK11c4sRT2CoJsy83NJlgJDxHXVf8 Q3rHAYd1cukcgaVdQa40xdZyEIXpnKqg26/yTl1mCsuta2RwGnFxOGxEXhPOjtlXm5n33vlP YXmtM0QXkWjc1oMmQC+7En3gol39o94KXXeR1sNQznuIjNHc46d84SPedVO75V6gWBya6GRc VuaQ7jyrl4h3iXvEnF36Bs7ejqp6fCb1xZ63X2YPGxdi3j7IuN/zhLEueLEGv1T0zUaRgxnp zbwRVexH+uG1t++jZzCncnrBAfDHpcGXhngzI2K9zCiwWZRWD+2uv/uw4zuLTA1zj3A5vZvS SHn60b2bZvuy7v5LbNFeXR6HnD86u19HbkuzdUWqoFL3XwLganS4CYJqEmsEupS5JykMj0wR A5Vwv2P4BnIwX09IFGS+ozJREWH/eh8X8m4WFoy0Rpn3ZhvV/q18L1cjwl5nn6niBDOb9wsk RISx/V25V1GiNtRpRIjkBWiKLAuAGNJHSDNpgiHxNCf+fYfdCOua7+2zE1kgZW7Aaqfph0JQ H/iYcRK9U5Y68x+NBfB3HL+6Yi+JJ/ed9sOsB2TnRrayeRYe9o9lfsP0DJuInm1/WYkxOgyk QF00NmksZKGJWRg8OPxAhNROjDvIcJG0j/3hLtYnsGY0prpGZNkGz4RW4DvQ+7uGzUX3ck=
X-Talos-CUID: 9a23:q1Ne9m0zoQ2p3yHd445+GLxfFcIqXC3d93zpP2C8GV5CFo+JYAKd9/Yx
X-Talos-MUID: 9a23:JQmKwwQuib5qRzkZRXTmjhBtc8g4u5isAUUwrZEkhuauaSpvbmI=
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-AV: E=Sophos;i="6.19,225,1754949600"; d="p7s'346?scan'346,208,346";a="32650007"
Received: from mail-mtabi114.fraunhofer.de ([192.102.163.114]) by mail-edgeka24.fraunhofer.de with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 13 Oct 2025 15:45:35 +0200
X-CSE-ConnectionGUID: AGcYm41MQnq7cK3NGL4JUg==
X-CSE-MsgGUID: 4s+gaEJTSuedS5D5X8/gKQ==
IronPort-SDR: 68ed027f_H/euF//sdHd0Hzw8KSyw6Rkx3aGoXPo+E4MUnkkIsUCfwaX XQdy+YZ5NDKILqoR8Fbwld5XWAe0XHTboPkxy2w==
X-IPAS-Result: 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
IronPort-PHdr: A9a23:U22oCRHHsHxMbsH7A/PdpJ1Gf3BNhN3EVzX9l7I53usdOq325Y/re Vff7K8w0gyBVtDB5vZNm+fa9LrtXWUQ7JrS1RJKfMlCTRYYj8URkQE6RsmDDEzwNvnxaCImW s9FUQwt5CSgPExYE9r5fQeXrGe78DgSHRvyL09yIOH0EZTVlMO5y6W5/JiABmcAhG+Te7R3f jm/sQiDjdQcg4ZpNvQUxwDSq3RFPsV6l0hvI06emQq52tao8cxG0gF9/sws7dVBVqOoT+Edd vl1HD8mOmY66YjQuB/PQBGmylAcX24VwX8qSwLFuQ7/To3flSnY7chy0yyBYPPuErM2VDu+7 YJ0ZhDPyygKFwwW22v9kMdxo4sO83fD7xYq7L7fYY+fd+FnWqjmJPETYGUcB5dYaxROHZGHX qQKE+4uerZSoJv4u0RNsUqcAjS+HszvyxhPgUemgvMc/fR6FQXX2zBnAo4AiVqLj+r8CZlID 6eIzZmWzBaZb+J7wAej5qvTTx4Rs8GWYpFtSdrT83ALHDufvA219tHEIzKNxMYBj0yEyvh/W 8b+hEsopQ8prxvzzf10l5HH2LIq4FD46A9o4IoUFMG3Y05aNI3sAN5RrSacL4xsXoY4Tnp1v Dpv0rQdos3TlEkizZ0mw1vad/WtUtHRvlTtTu+MJzd/in9/Pr6y1F6+8kmln/X1TdL8kE1Lo SxMjsTWuzgT2gbS5MmKRro1/kqo1TuVkQGGwu9eKF0yla3VJoRnxbg1l5EJtl/EEDOwk0Lz5 JI=
IronPort-Data: A9a23:irmieqxK6tC4dZm4mkt6t+fgwyrEfRIJ4+MujC+fZmUNrF6WrkVUm zBNW2HXPqyJNDH8edolO9yxpENUvJPczdQ1GgM/qVhgHilAwSbn6Xt1DatQ0we6dJCroJdPt p1GAjX4BJlqCCea/1H1a+mJQUBUjcmgXqD7BPPPJhd/TAplTDZJoR94kobVuKYx6TSCK13L4 IOaT/H3Ygf/hmYkaD9MscpvlTs21BjMkGNA1rABTa0T1LPuvyF9JI4SI6i3M0z5TuF8dsamR /zOxa2O5WjQ+REgELuNyt4XpWVTH9Y+lSDX4pZnc/DKbipq/0Te4Y5nXBYoUnq7vh3S9zxHJ HehgrTrIeshFvWkdO3wyHC0GQkmVUFN0OevzXRSLaV/wmWeG0YAzcmCA2kfEoYp/7ouJFhI7 KMTC2srQTTfpd+5lefTpulE3qzPLeHwOZ8H/HxwxjGfA+wvXJbDRKvH/5lU0V/chOgXQK2YN pVfMGU+Kk2aPHWjOX9PYH46tPuogXz2aHtSpVaRqKA+/m37xQ1q3bOrPsDcZ9qKQstYhACUq woq+kyjXE5LZIfFmFJp9FrwnazAlA7ZZLkPGbGDq9I3sA3UyU8qXUh+uVyT5KPRZlSFc8hEI kgGr3Z2pKs78UWqCNL6WjW0pXeetVgdVsZeVeog52ml1q7PyweUGmZCSSROAOHKr+c7VTtv1 k6DhdLlQDZu9rSZUjST7L6JqzO1NyUPa2MPDcMZcTY4DxDYiNhbpjrBVN9+Fq6ygNDvXzb2x jGBti8lgLsPy8UM0s2GEZrv2lpAf7CQFlFltDbEFHmo9B14b4ODbomlowqTp/VZIYrTChHLs HEYkoLMpKoDHLOcphyrGe8tJbCO4+raETv+hVU0IYIt2Q7w8FGefKdRwgpEGmFXDug+dwXUP XDj4TFq2McLPV+BT7NGXIaqOsF7kYniDYvEU97XXPpvY79wVleO03ByVH61wlHorlMmvp8+C Kelbf+DI24RU5pl6D+EVtYt76Ii6XE791PyWKLU8hWD+pidbU6zVr0qHgavbOc4zaXcuyTT0 Y9VGPWrwiVlct/VQ3fo479ICGsVPF4HBZzSgO5GRN6pewZJNjkoNK7M/OkHZYdgoZVwqs7J2 XOMAmlj11v1gCz8GzWgM3xMRuvmYsdikCgdIycpAFeP3koja6aJ6IM0VcM+XZsjxdxZ4c9Ed ds3UOTePa0XURXCwSoXUrflpo87dBiLuxOHDxD4XBcBJaxfVy770f66WDDw9Rs+LDu97uo/h LyC6jn1Y7Q+QyZaMcKHT873kn2QuyAGlfNQTnn4BIBZWH/R/bhALw3zif4KIP8wFyjT+wvC1 yurBUY3mOqcha4079jDuo6cpaiLDeZVPxRXDkvb35mMJAjY+Wuv7o9eWtmmbxTYdmf+17WmV OB7lvvBGv0OrHBOgpshFr1u4/s04tvxlbpk3yBhJnHqbkuqOJxkMHKpzclCjYwT57x7vQGZS ka+//cDM46WN/3KEEAbGyQ3T+LbztASuGDYwsoUKXXAxh1c3eS4Q3QJGiKTmQphLLdRG6E08 9cL4cI5xVS2tUs3D4ygkCtRyVWpElUBdKcW7rchH47hj1sQ+GFoOJDzJHf/38CSVo9qLEIvH z6zgZjCjZR6wm7pUSI6NVrJ7NpnqaU+gjJ4535cGA3RgfvAvOE94zNJ+zduTgh18ARO49guB kdVbX9KNYe81BY2ovNcXlKcORBLXzyY3U3T92EntkPkS2uQa2icC1FlZMis+hgC/nN+bwpr2 uiS6FzYXAbAeODz2SoPWnBZlcHzcOwp9iP+tZCmO++nA6gFZSHUh/7yRGgQ9DriL8ADpGzGg uhI7uxAU7LfMBBMkvc0Fruc97Qcd02DLjZwRfpgoaA7JkDHWTSIwTPVAVuASsBMAP3r8EGDF M1lIPxUZSm+zCqjqjM6B7YGBb1/jNoFxYMlVOvwBGgkt7C/kGJYgKjI/HKjuF5xEsRcr8ktD 6jwKRSAKzW0rllJkTbvqMJkBDKJUeMcbleh4NHvofQ7LLNdguRCakpo76CVuU+SOw5Z/x65m gPPSqvV7u56w7RXgIrePfRfNjqwNO/MeryEwCKrv/RKSOH/A8PEmgcWi1vgZiB9H78aXfZpn rWs7v/z+m74v4gNbmOIoKnZSpF15vizUtQOY4izZDNfkDCZUcDh3wob9irqYdZVmdda/Y+8S xH+dMK0csUPVsxAwGFOLRJTCAsZF7+9e5KISflRdBhQIkN1PdT7Ee6a
IronPort-HdrOrdr: A9a23:z9IMpq5+jjBUshwnQAPXwU+BI+orL9Y04lQ7vn2ZFiY7TiXIra yTdaoguCMc6QxhFE3I/OrvBEDuewK7yXcY2/hzAV7mZnichILKFvAs0WKB+UyYJ8SWzIc0vs 0AE5SWSueAdWSS5fyKpzVQeOxQpeVvhZrY4ts2uE0dKT2CBZsQjTuRIzzrb3FedU1jP94UBZ Cc7s1Iq36LYnIMdPm2AXEDQqzqu8DLvIiOW29JOzcXrC21yR+44r/zFBaVmj0EVSlU/Lsk+W /Z1yTk+6SYte2hwBO07R6T030Woqqg9jJwPr3PtiEnEESotu+cXvUjZ1XZ1ApF3N1Hpmxa1O Uk6C1QRfibo0mhAV1d5yGdnTUImQxelUMLnDej8AveiN28SzQgB8Vbg4VFNhPf9ko7pdl5lL lGxmSDqvNsfFj9dQnGlpH1vitR5wKJiGtnlfRWg21UUIMYZrMUpYsD/FlNGJNFGC7h8ogoHO RnEcmZvZ9tAB6nRmGcunMqzM2nX3w1EBvDSk8eutaN2zwTmHxi1UMXyMEWg39F/pMgTJtP4f jCL81T5ftzZ95Tabg4CPYKQMOxBGCISRXQMHiKKVCiD60DM2Klke+A3F0cjNvaC6Dh5fMJ6e X8uZNjxBkPkm7VeLmzNcdwg2LwqU2GLEHQ9v0=
X-Talos-CUID: 9a23:vyEaPm450FmXerO0pNss3WEfK8V5K1jkym6PKGzjL0lNFJ+oRgrF
X-Talos-MUID: 9a23:KSwthQ3gCv9/CrhGoqtyAxrDXTUjv7/tB0kgs6k9psSIDnFcZgfNyzuUe9py
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-AV: E=Sophos;i="6.18,214,1751234400"; d="p7s'346?scan'346,208,346";a="26798329"
Received: from exo-hybrid-bi.ads.fraunhofer.de (HELO smtp.exch.fraunhofer.de) ([153.97.179.127]) by mail-mtaBI114.fraunhofer.de with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2025 15:45:34 +0200
Received: from XCH-HYBRID-04.ads.fraunhofer.de (10.225.9.46) by XCH-HYBRID-04.ads.fraunhofer.de (10.225.9.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 13 Oct 2025 15:45:34 +0200
Received: from FR6P281CU001.outbound.protection.outlook.com (40.93.78.3) by XCH-HYBRID-04.ads.fraunhofer.de (10.225.9.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Mon, 13 Oct 2025 15:45:34 +0200
ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=qgvSlERmfHzYAkvczhnoZc7hLm8S0gQrN1eRb7sHzXZOfFaADw9iqxGcYl/m+5kYAGDmFx/N+JMIgXJo1PBKajhPQjx90gcTVyRcw+jorOzKhWuvexeYt/qgm0w9DgpZDkZAXUCrnUUsla+cxgGi+3NvyKBf2H5UWPQkO02P07a9hjNs+fePnheyF6xhZtMHa69D1RUTgTRk7qLa9gr1LK8iHx29Ek8gzhDMoxrOSPxCfQUS5FE6E5LogRjtvrfCQQFy2TDzr9k9D4OiVMcjIQoX1w5M2AFJeOQkMrPVmhs6LohEGO2CQqzQ6rIeqzdngwknUKffG35AnLQ4ybnZzw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=wmxrFOjJ3Jgcms5Vp7kjegtjMwFgO+geHZGCbBrciGA=; b=Y+G3Sb3os9Oq4HeIsR57uayikVL/YnVSDXjMsmUTnk6Mup3D9t1xbmwLJ3479+wjAN/ooyN+YWr9jQ08XPpdFtVRukmdFsUG+oWq0g0AQh8LYmeqS2abdCOD7Mvh/t5OEOFoMg9ygLw8UbYJv3bX5sEuIZO5GyVx7+X/ooQoq10/tG1Nuoxz5h07Uf5aBef102zLDUQU7s83dgLnmJzjtps8+ZF0acQEGMIcJPdCBJsPxInGPECBtSyVMNu21A5j5pKFLFFIc+tpVTNf2llDk9+AsS2EzVnrEeC5Y2PvoYG9zz5FOSq0v506P+YI2qdCE+H97YmMWHzMpY1I55fJUg==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=aisec.fraunhofer.de; dmarc=pass action=none header.from=aisec.fraunhofer.de; dkim=pass header.d=aisec.fraunhofer.de; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fraunhofer.onmicrosoft.com; s=selector2-fraunhofer-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wmxrFOjJ3Jgcms5Vp7kjegtjMwFgO+geHZGCbBrciGA=; b=GXcifb+sqLcS1JaMg519aTPgwzSYGmtlG/8bgzmtw+t9JoUzrGhiOooP876NFx3llyoT/u4fQF7KWaUV26/UiX6iK2hyEqX6fKsUfXzXrWKuPxjRQLcP2Z0M75ItipzJdTLwMzwfL9gMgff0eK4cR0upf6XWBhTuByHdIYtgChI=
Received: from FR1PPF809320EF6.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d18::f66) by FR4P281MB3604.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:d7::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9203.12; Mon, 13 Oct 2025 13:45:33 +0000
Received: from FR1PPF809320EF6.DEUP281.PROD.OUTLOOK.COM ([fe80::8d96:d427:50b0:8ad6]) by FR1PPF809320EF6.DEUP281.PROD.OUTLOOK.COM ([fe80::8d96:d427:50b0:8ad6%3]) with mapi id 15.20.9203.009; Mon, 13 Oct 2025 13:45:33 +0000
From: "Bellebaum, Thomas" <thomas.bellebaum@aisec.fraunhofer.de>
To: "rsalz=40akamai.com@dmarc.ietf.org" <rsalz=40akamai.com@dmarc.ietf.org>
Thread-Topic: [TLS] Re: Working Group Last Call for Post-quantum Hybrid ECDHE-MLKEM Key Agreement for TLSv1.3
Thread-Index: AQHcOTYvwcIeS1dae0qO0lFr7S6GULS6skMAgAA89ICABAcmgIAA65uAgAA0swCAAAYxgA==
Date: Mon, 13 Oct 2025 13:45:33 +0000
Message-ID: <d7dd49bf7ce443d48ab4bf5e4388db7a0f9f2e16.camel@aisec.fraunhofer.de>
References: <CAOgPGoA+c8kXDizwsvFG5tLz9+Kxk0HqiN1skKp5jMvvpxeu0Q@mail.gmail.com> <20251009160139.42473.qmail@cr.yp.to> <DM5PR18MB2326D93261B74BECF06061B4ABEFA@DM5PR18MB2326.namprd18.prod.outlook.com> <GVXPR07MB96787960DCEB12341CF0651789EFA@GVXPR07MB9678.eurprd07.prod.outlook.com> <CAMtubr1iJigyhRKaGdwoKsT_EuNy_aB795N2397aRdKCKabxdg@mail.gmail.com> <a3e63086fe2454597303c49eb05f3fc3f1de855b.camel@aisec.fraunhofer.de> <MN2PR17MB4031F0049A1FB8578E19EACDCDEAA@MN2PR17MB4031.namprd17.prod.outlook.com>
In-Reply-To: <MN2PR17MB4031F0049A1FB8578E19EACDCDEAA@MN2PR17MB4031.namprd17.prod.outlook.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: yes
X-MS-TNEF-Correlator:
x-ms-publictraffictype: Email
x-ms-traffictypediagnostic: FR1PPF809320EF6:EE_|FR4P281MB3604:EE_
x-ms-office365-filtering-correlation-id: cfba0bb5-9c78-4f80-12b9-08de0a5ec80a
x-ms-exchange-senderadcheck: 1
x-ms-exchange-antispam-relay: 0
x-microsoft-antispam: BCL:0;ARA:13230040|1800799024|376014|366016|4053099003|38070700021;
x-microsoft-antispam-message-info: u2T4WWEuCe9g2vGiIgRIG/Y+kUJ1EiF/ooeIXlij+tbMazsyVwUWBFJmRJP+2X61mGK5YaJ+RNb3Yc14DQt20kVu8s9bDA/Pi6WQzRs745aVT52b8mDCTyM7YKgYeANlz5ohFW0nU8sawwbOIUA9uI3tdnRDz7Ntxi2OgniUepZFa0zYIBn5kAxowpEWzXrhTglEAMachTkCH6q4FZyI0cK0YVuFCSp4Krfor7hCbfYDd57xj+tllCWoY29tfvYy4mYqL15226Rna3H3mE3c6X0D9onQGBUx9TudfcpUlLHFmq4yS7naNSVBOa6uz+5r+7+ZEabUtUTgNhGWyQyMC+ROvBKaad50oglTM/DsXyWmlPy/vjPDvtks3lieWZr0Pk/XRao182pTGhQQe/t7DsccOUMjmUZPfBOoE7PjrLJUUOUANgs/BPn5LpUP8M5MnJ8YU7VFnpviRpm9EcrnXAJHqnWn9SV0tq3omh4NmYliRdtuO2thgwyojNCahrJX1GvUKOkTpNj81guIkbIOMZf5F/NbeH/v5dfHtXPIgHitX3+XN7Y/aKs+HxV+k43HsYsFRpU30ycQAhtfXPffiPHb5tt7GAmoPGSzJHeSK9GxbI/RScu+qlp0UFtjMrxsix1t6p2L4O7x1IjJCoKY3w5WDdE4uqeRVEJvrmXUMk/xuvkj9wvu6vbTH/OeRNuxRIiKj/GY7G7/3GLoH0vfWEX5FgU0/XEaqU8WOLs7wWNG9fY02h2egjDWcoouEqPCWMmib9BZNF7SiyG8vB8r/5awtv2IiUJaPB/bKOElkZw2l6BWjVrp9UKUXXHKbJYQmwYL/e0eb3jsNmVIWUH05r6v+03g79RESa7UqYfVaFr1i+GrT8waRVNEVgiyF56iD5PSa7oQAx6QeUdDhf5XOdSMfwEZCCWbbTzqT2qadXvia9mp2K1qxmPMCGVcnT7RzvknlehZ3I44sNneSVsAp9OUiUKghsh1XOPj0KZLVHw+kXAFmEGofR8CsyvgfknP2iGjsXeLavzV2brFFtBie6DMCVmiy9lPIdCZcTSPT/w/9Z7jmbtp73nMRj2tnsmzG0Ictiu93lS9LAbqYRe5K/tM93CDIlWuSRet+jKyFrZ6EipKrfaFuGhrd99Owl1joNMWBTvZMf0lrx6IEQGJsHd7jzW3K8LC9SuolhwFv1svtQsTASN1acvVUVYqWG3f1GzFPvX9G7oeLQ4tTkJ0ws58d6NTJd9ofNLZYrnWDXjUB1OcadJfjiQZdpJ97hLFBC7qFKr4JIX20avJwlAAW+UiPKHWxwtzC1zC2no3qK7QHm/W3QtY6TJTgpdSPr+kWpLDPfzyAe+rzixXIohe9lWH+h2B8YGL6o43kPuBfKwfwJKGwD4zjqMg0onqpErNnM8WMOVA0XPByqG6HwuWALdd/eBxuorv1wBZve80Bz57FiP2OrfFcEnXySY49hglAWj2V/YE5PKX8QnMnIj5vjHPd0dzQ67aryCbOlS/i3n0R99GfKv/QA7Foffejx0z
x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:FR1PPF809320EF6.DEUP281.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(366016)(4053099003)(38070700021);DIR:OUT;SFP:1101;
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: 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
Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-rwnf5aGoyA/+qat7wVFK"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: FR1PPF809320EF6.DEUP281.PROD.OUTLOOK.COM
X-MS-Exchange-CrossTenant-Network-Message-Id: cfba0bb5-9c78-4f80-12b9-08de0a5ec80a
X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Oct 2025 13:45:33.2182 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: f930300c-c97d-4019-be03-add650a171c4
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: CazlXcQzpsmkgTyIUqQVDG7+NXsKji11FCCGVuw5dFDCjULxrgg5WcD5Y+eqas4GTJiTWUazaZ2P3Z7kCEStrO01A2IDfYDM0HowwPkp5CzfCgkaxc2rGRN/ruAngKVl
X-MS-Exchange-Transport-CrossTenantHeadersStamped: FR4P281MB3604
X-OriginatorOrg: aisec.fraunhofer.de
Message-ID-Hash: G64IBVXSWGK6XVX7ZVWURAT6KNO6BJRX
X-Message-ID-Hash: G64IBVXSWGK6XVX7ZVWURAT6KNO6BJRX
X-MailFrom: thomas.bellebaum@aisec.fraunhofer.de
X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tls.ietf.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header
CC: "tls@ietf.org" <tls@ietf.org>
X-Mailman-Version: 3.3.9rc6
Precedence: list
Subject: [TLS] Re: Working Group Last Call for Post-quantum Hybrid ECDHE-MLKEM Key Agreement for TLSv1.3
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/-pE2kK1HM3fadAH15levrnaBjrE>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Owner: <mailto:tls-owner@ietf.org>
List-Post: <mailto:tls@ietf.org>
List-Subscribe: <mailto:tls-join@ietf.org>
List-Unsubscribe: <mailto:tls-leave@ietf.org>

> And do you still feel that way if the alternative is waiting months?

Please elaborate :)

One would think that neither changing a registry entry nor removing options used comparatively very little in practice should warrant more implementation experience, and IANA isn't that slow.

-- TBB