Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 02230941 for ; Tue, 16 Aug 2016 23:36:09 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-pf0-f179.google.com (mail-pf0-f179.google.com [209.85.192.179]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 98111A0 for ; Tue, 16 Aug 2016 23:36:09 +0000 (UTC) Received: by mail-pf0-f179.google.com with SMTP id h186so31922354pfg.3 for ; Tue, 16 Aug 2016 16:36:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding; bh=VzLVensl69b6CPanpNUB6NUWO8dEbzHpEEkhM9EimkI=; b=LgnDjfnIaQ/0t24iMWV5+LMkmMpeHhHbc71zrhjvp9PmrAuD3b/krcBxFzIcwl0p0V YmoTGslQPpDr1LhqNYmTix3MfoeAoOxxx+0RtFicQUP1P5Lzz0qzXWqCMSn7poKnMMDK hJ0FJC9adSuG9qGv0JAotChdX3OTErdWO54fTEkydkdEAAE5Jg7UpiK/Puyq5stG9bzm iCQW+GfsrcAcdFizcBnMgC5kAnCRcsZamk2M+J+Va7XlcQ0ZIsKS+5oa4BIsa8Ioxe12 gdeOE4r/eZDZxmVh9vDFcc0f3up8RLEKV2HeC6SHYOIq7aCcVZXGT+JRojd7manK1hsb cRRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=VzLVensl69b6CPanpNUB6NUWO8dEbzHpEEkhM9EimkI=; b=LSheIha4llGHxwxfAAAkGIFVYt8VPXEOSekuQn8tL4wX+3z7YtmPhi6BQCca7uvhFD XpdbbOSqT+BtwScxE15SjaMhNwhydjOgb4R3m0GYGhBtTD4DOeahR//xN94c3hnYBd9g K684t25qAO7kSsxGBFyKdLqVUhC6bAVaWRKU5MMPjJThXZ6X3HosVU5jw0k6Gor5AJRv 3MUS8k0W+wtLeTP6hitjEJ+C6lFJM/UyV4LXP+7ApjPTJ+MShY50gEfFT6F2t1MOm/Ow /beiJeH/vTpzxOxcqhKo0SWo+bQzGz9j+tJNPkXy7FsKCWv8YDuMQBd3iPn+P4EuQlsk wjIA== X-Gm-Message-State: AEkoouvTQCpakkr+lNU5kmBa/WRJzB6kGy2cuIzoQ4bzaenF8uad0u9ngtZmeZOLiz1yTg== X-Received: by 10.98.99.67 with SMTP id x64mr69338780pfb.26.1471390568908; Tue, 16 Aug 2016 16:36:08 -0700 (PDT) Received: from [192.168.43.188] (com2274404.lnk.telstra.net. [110.142.16.210]) by smtp.gmail.com with ESMTPSA id c66sm41906826pfd.24.2016.08.16.16.36.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Aug 2016 16:36:08 -0700 (PDT) To: Jonas Schnelli , Bitcoin Protocol Discussion References: <57B31EBC.1030806@jonasschnelli.ch> From: Aiqin Li Message-ID: <0501f5c2-611c-53c1-5fd1-d4da5ba5137b@gmail.com> Date: Wed, 17 Aug 2016 09:36:02 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <57B31EBC.1030806@jonasschnelli.ch> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Tue, 16 Aug 2016 23:36:53 +0000 Subject: Re: [bitcoin-dev] Hardware Wallet Standard X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Aug 2016 23:36:10 -0000 Out of curiosity, what is the technical reason a normal ECC-enabled smart-card cannot be used for the hardware signing component of a wallet app? (Since if it can, its standardization must have been discussed.) Debian wiki gives a list of such cards with related opensource software to access them. Regards