From paul.wouters@aiven.io Mon Oct 2 14:07:46 2023 Return-Path: X-Original-To: privacy-pass@ietfa.amsl.com Delivered-To: privacy-pass@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 147D6C151541 for ; Mon, 2 Oct 2023 14:07:46 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.106 X-Spam-Level: X-Spam-Status: No, score=-2.106 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, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=aiven.io Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bPB4qgkil7TT for ; Mon, 2 Oct 2023 14:07:42 -0700 (PDT) Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 45749C15154F for ; Mon, 2 Oct 2023 14:07:42 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id ffacd0b85a97d-3214cdb4b27so226463f8f.1 for ; Mon, 02 Oct 2023 14:07:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aiven.io; s=google; t=1696280860; x=1696885660; darn=ietf.org; h=to:in-reply-to:cc:references:message-id:date:subject:mime-version :from:content-transfer-encoding:from:to:cc:subject:date:message-id :reply-to; bh=aZzeJI+cgUO3d4Ombvm8ThLeZ7mye4EG1sA/oQJx3Ew=; b=olvNGaLueqKDb7mNCcaQoPa7OcR8ljlWxy1ugT+BSRqGiwB4RPys4UBHyamEzHt6vA rl6TABGbi1DZY6u2vimYLM/FDm8HxUEQZGg/Awy6jLn5PDgJ5RrpEpicByw1z5sMJ7CW vRbMvzVjdDHN0cwoHt8rcVJY+GANhmTSHOx5M= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696280860; x=1696885660; h=to:in-reply-to:cc:references:message-id:date:subject:mime-version :from:content-transfer-encoding:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aZzeJI+cgUO3d4Ombvm8ThLeZ7mye4EG1sA/oQJx3Ew=; b=lm6KJFg81qYmldxVt9LwHpivWpE+SGC23Uwi1AeQV0zvayWDo+NTxOP6uUC3GSFPg2 uR/EzrGd0ncU/l53XKOMA1Q/WNOLj8enzwGYcI2TzpitHpF9y9Q8xvfJkXXnxdaTP6gG JgH0Ls7MYqKWyWwemJMj6htr5+0JNSew3VeFpSiKDDstGTqobalWOgOJuWOFPLcFEyT1 kKN5FUSAavShU/oT+yi28P8lmyfi5V/TmT4by07GXgL33nMmKx2lJxHGDDpztsTcFHQr wk5RgdeTVtSL0JOjoKUg0w8F2rMbhwTLS3fCnum2meh0kPLTZsBZhfV/uwCjpbKfSBZr rYyA== X-Gm-Message-State: AOJu0YzuIjQDTlkCoCqGtaMIS32wqf7xRRcGwItnyNHbyEdyEAJ2liT6 kNQ5KBDQxhszBIk5/qWW7dB6TA== X-Google-Smtp-Source: AGHT+IE5+YZN61UfLyYJt7iBonCbgisbP1M4SDEv5f8Us+7t0x1sfYQ80GJyfdVyI+oZdysO5eYJtw== X-Received: by 2002:adf:ec05:0:b0:323:1df0:c039 with SMTP id x5-20020adfec05000000b003231df0c039mr10945329wrn.56.1696280860122; Mon, 02 Oct 2023 14:07:40 -0700 (PDT) Received: from smtpclient.apple ([74.122.52.94]) by smtp.gmail.com with ESMTPSA id w17-20020a05690202d100b00d815cb9accbsm6921905ybh.32.2023.10.02.14.07.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Oct 2023 14:07:39 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Paul Wouters Mime-Version: 1.0 (1.0) Date: Mon, 2 Oct 2023 17:07:28 -0400 Message-Id: References: Cc: Murray Kucherawy , The IESG , draft-ietf-privacypass-protocol@ietf.org, privacypass-chairs@ietf.org, privacy-pass@ietf.org, jsalowey@gmail.com In-Reply-To: To: Tommy Pauly X-Mailer: iPhone Mail (21A350) Archived-At: Subject: Re: [Privacy-pass] Murray Kucherawy's No Objection on draft-ietf-privacypass-protocol-15: (with COMMENT) X-BeenThere: privacy-pass@ietf.org X-Mailman-Version: 2.1.39 Precedence: list List-Id: Privacy Pass Protocol List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Oct 2023 21:07:46 -0000 >=20 > On Oct 2, 2023, at 15:57, Tommy Pauly wrote: >=20 > =EF=BB=BFI could imagine a case where the issuer rotates keys quite freque= ntly, and all challenging parties challenge with the new key, but if a clien= t had a previous token with an older key and presented it, the redeeming par= ty might be willing to accept the key. In such cases, it would be possible t= o fill up the space of 255 key ID Where does this 255 come from? Paul =E2=80=94 On a mobile device=20=