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author | Thomas Voegtlin <thomasv1@gmx.de> | 2014-01-24 17:47:21 +0100 |
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committer | bitcoindev <bitcoindev@gnusha.org> | 2014-01-24 16:47:29 +0000 |
commit | c59f961b91c26924438ad8aed06d8b8264237843 (patch) | |
tree | 1a7df03f596a0af1d17e2fde2cd83da654af4267 | |
parent | 5f43e5f15aaf222257ec937e1f0dd4178b678adf (diff) | |
download | pi-bitcoindev-c59f961b91c26924438ad8aed06d8b8264237843.tar.gz pi-bitcoindev-c59f961b91c26924438ad8aed06d8b8264237843.zip |
Re: [Bitcoin-development] BIP0039: Final call
-rw-r--r-- | 15/499197134e1634b6b5f8dfcb5441a29f467651 | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/15/499197134e1634b6b5f8dfcb5441a29f467651 b/15/499197134e1634b6b5f8dfcb5441a29f467651 new file mode 100644 index 000000000..06a2c11ad --- /dev/null +++ b/15/499197134e1634b6b5f8dfcb5441a29f467651 @@ -0,0 +1,107 @@ +Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] + helo=mx.sourceforge.net) + by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) + (envelope-from <thomasv1@gmx.de>) id 1W6juj-0007jI-0t + for bitcoin-development@lists.sourceforge.net; + Fri, 24 Jan 2014 16:47:29 +0000 +Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmx.de + designates 212.227.17.20 as permitted sender) + client-ip=212.227.17.20; envelope-from=thomasv1@gmx.de; + helo=mout.gmx.net; +Received: from mout.gmx.net ([212.227.17.20]) + by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) + (Exim 4.76) id 1W6juh-0001LR-RV + for bitcoin-development@lists.sourceforge.net; + Fri, 24 Jan 2014 16:47:28 +0000 +Received: from [192.168.1.27] ([86.73.30.122]) by mail.gmx.com (mrgmx003) with + ESMTPSA (Nemesis) id 0LqALY-1VbmsD2B60-00dneg for + <bitcoin-development@lists.sourceforge.net>; + Fri, 24 Jan 2014 17:47:21 +0100 +Message-ID: <52E29919.7030404@gmx.de> +Date: Fri, 24 Jan 2014 17:47:21 +0100 +From: Thomas Voegtlin <thomasv1@gmx.de> +User-Agent: Mozilla/5.0 (X11; Linux x86_64; + rv:24.0) Gecko/20100101 Thunderbird/24.2.0 +MIME-Version: 1.0 +To: bitcoin-development@lists.sourceforge.net +References: <CAJna-HjGHpru6Lpv_tXUkWR2mX-=fobzojtHYvSRJy6+CMesOA@mail.gmail.com> + <CANg-TZCrpT-YJ0WV9VY6w-PtCiz2YRMBCMvmjneDz13j2namkw@mail.gmail.com> + <20140120223502.GA1055@petertodd.org> + <CANOOu=_pVCPiDtbqc3EwToZWzjLw4UqOvpsu2Wrt4eDKC7g_2g@mail.gmail.com> + <CAJna-HgStwQQUiNZfJrFS1SduuzEEVrF=qmVe23uqZUNhHkOHA@mail.gmail.com> + <52DDB8AB.4010103@gmx.de> <20140124090532.GB15398@savin> +In-Reply-To: <20140124090532.GB15398@savin> +Content-Type: text/plain; charset=ISO-8859-1; format=flowed +Content-Transfer-Encoding: 8bit +X-Provags-ID: V03:K0:EIBOwCR1FtEy9X0F3FphuORIUKNnYexaCtTUlV9+SKvUJay981k + EI5vkRbC4hic6/ZdZUKQSRk7EUsUU7Zs60zSuklf3+Vpm4/MD8cB+d1oXnJIMtOb1UPAVAx + 4hun2eTiRVLGyGvdvzJqlzZ684ZQs64hFo3BTA9rYm1wfHkY2Tzxoxi7Kfnnx3+rCzXmm+t + gV5Btxo/qzWcww++4z/+g== +X-Spam-Score: -1.2 (-) +X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. + See http://spamassassin.org/tag/ for more details. + -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, + no trust [212.227.17.20 listed in list.dnswl.org] + -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for + sender-domain + 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider + (thomasv1[at]gmx.de) + -0.0 SPF_PASS SPF: sender matches SPF record + 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in + digit (thomasv1[at]gmx.de) +X-Headers-End: 1W6juh-0001LR-RV +Subject: Re: [Bitcoin-development] BIP0039: Final call +X-BeenThere: bitcoin-development@lists.sourceforge.net +X-Mailman-Version: 2.1.9 +Precedence: list +List-Id: <bitcoin-development.lists.sourceforge.net> +List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe> +List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development> +List-Post: <mailto:bitcoin-development@lists.sourceforge.net> +List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help> +List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>, + <mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe> +X-List-Received-Date: Fri, 24 Jan 2014 16:47:29 -0000 + + +Le 24/01/2014 10:05, Peter Todd a �crit : +> On Tue, Jan 21, 2014 at 01:00:43AM +0100, Thomas Voegtlin wrote: +>> Hi slush, +>> +>> Thank you for your new proposal; it seems to be a compromise. +>> +>> @Christophe Biocca: +>> If the wordlist becomes part of the standard, then we will run into +>> problems of collisions once users ask for wordlists in every language. +>> +>> IMO the right approach is to implement checksums that do not depend +>> on the wordlist (eg the 'brute force' method, Hash(mnemonic||1) mod +>> 2^k == 0 ) +>> this would also allow us to implement sipa's variable stretching proposal. +>> +>> I understand this is not possible because of the computational +>> requirements of devices such as trezor. +> Is it? Surely the trezor can bruteforce, say, 8 bits == 0. How many +> SHA256/sec can the trezor hardware do? Generating your seed is a +> one-time thing after all - that taking 10-30s doesn't seem like a big +> deal to me. +> +> Even a 1/256th "checksum" will really cut down on the number of mistakes +> made and money lost. + +slush, correct me if I'm wrong, but I don't think that's the only reason: +They want to generate a seed by combining entropy from the trezor device +and from the user's computer; +In addition, they want the computer to be able to check that the seed +actually was derived from the entropy it provided, using only a master +public key (the computer does not have access to the seed) + +This is why they designed bip39 that way. + +I think the new bip39 proposal could be used in Electrum as an option +for trezor, but I am reluctant to make it default, because it imposes +its own dictionary. + + + |