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| author | William Yager <will.yager@gmail.com> | 2014-04-24 14:39:52 -0500 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2014-04-24 19:39:58 +0000 |
| commit | da1202f732a1e7a10f0abfae9c074ec75eacbb08 (patch) | |
| tree | a39b23466ca3d9a7c4aaef338fd89bdda639c6e4 | |
| parent | 2bca33a4c5d7e9c4de20024ee2d2d8a3de9c0f39 (diff) | |
| download | pi-bitcoindev-da1202f732a1e7a10f0abfae9c074ec75eacbb08.tar.gz pi-bitcoindev-da1202f732a1e7a10f0abfae9c074ec75eacbb08.zip | |
Re: [Bitcoin-development] [RFC] Proposal: Base58 encoded HD Wallet root key with optional encryption
| -rw-r--r-- | a0/6adc45b15bd6e373ad4976a0abf16c51a1edb9 | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/a0/6adc45b15bd6e373ad4976a0abf16c51a1edb9 b/a0/6adc45b15bd6e373ad4976a0abf16c51a1edb9 new file mode 100644 index 000000000..e22920f0a --- /dev/null +++ b/a0/6adc45b15bd6e373ad4976a0abf16c51a1edb9 @@ -0,0 +1,107 @@ +Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] + helo=mx.sourceforge.net) + by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) + (envelope-from <will.yager@gmail.com>) id 1WdPV0-0000lY-HL + for bitcoin-development@lists.sourceforge.net; + Thu, 24 Apr 2014 19:39:58 +0000 +Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of gmail.com + designates 209.85.216.179 as permitted sender) + client-ip=209.85.216.179; envelope-from=will.yager@gmail.com; + helo=mail-qc0-f179.google.com; +Received: from mail-qc0-f179.google.com ([209.85.216.179]) + by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) + (Exim 4.76) id 1WdPUz-0007Qn-Pw + for bitcoin-development@lists.sourceforge.net; + Thu, 24 Apr 2014 19:39:58 +0000 +Received: by mail-qc0-f179.google.com with SMTP id l6so2181215qcy.38 + for <bitcoin-development@lists.sourceforge.net>; + Thu, 24 Apr 2014 12:39:52 -0700 (PDT) +MIME-Version: 1.0 +X-Received: by 10.224.73.136 with SMTP id q8mr5760703qaj.54.1398368392314; + Thu, 24 Apr 2014 12:39:52 -0700 (PDT) +Received: by 10.140.27.135 with HTTP; Thu, 24 Apr 2014 12:39:52 -0700 (PDT) +In-Reply-To: <CAG8oi1NDfoDBT_DmcBVhc0tMMhO55oDcrQBbGmqh9OfgsnG4Lg@mail.gmail.com> +References: <CAG8oi1NDfoDBT_DmcBVhc0tMMhO55oDcrQBbGmqh9OfgsnG4Lg@mail.gmail.com> +Date: Thu, 24 Apr 2014 14:39:52 -0500 +Message-ID: <CAG8oi1NRq-=+8oRx00B0XvhUatnXqNZukCGs4NatLgZMw4RK1Q@mail.gmail.com> +From: William Yager <will.yager@gmail.com> +To: Bitcoin Dev <bitcoin-development@lists.sourceforge.net> +Content-Type: multipart/alternative; boundary=001a11c3dc484a029004f7cf03ab +X-Spam-Score: -0.6 (/) +X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. + See http://spamassassin.org/tag/ for more details. + -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 + (will.yager[at]gmail.com) + -0.0 SPF_PASS SPF: sender matches SPF record + 1.0 HTML_MESSAGE BODY: HTML included in message + -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from + author's domain + 0.1 DKIM_SIGNED Message has a DKIM or DK signature, + not necessarily valid + -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature +X-Headers-End: 1WdPUz-0007Qn-Pw +Subject: Re: [Bitcoin-development] [RFC] Proposal: Base58 encoded HD Wallet + root key with optional encryption +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: Thu, 24 Apr 2014 19:39:58 -0000 + +--001a11c3dc484a029004f7cf03ab +Content-Type: text/plain; charset=UTF-8 + +Gmaxwell pointed out that we could safely front-load all the key +pre-stretching. The spec has been updated to take advantage of this. + +The user's password is now protected by 10,000 rounds of salted +PBKDF2-HMAC-SHA512, as well as the main KDF (which ranges from scrypt +2^14/8/8 to scrypt 2^18/16/16 and PBKDF2-HMAC-SHA512 2^16 to 2^21). + +Will + +On Mon, Apr 21, 2014 at 7:05 PM, William Yager <will.yager@gmail.com> wrote: + +> +> The idea is that more powerful devices (mobile phones, laptops, etc.) can +> do all the key-stretching on their own, whereas weaker devices with access +> to another device with more computing power (like Trezors) do a fair amount +> of key-stretching on their own, but can safely export the rest of the +> key-stretching to the other device. +> + +--001a11c3dc484a029004f7cf03ab +Content-Type: text/html; charset=UTF-8 +Content-Transfer-Encoding: quoted-printable + +<div dir=3D"ltr">Gmaxwell pointed out that we could safely front-load all t= +he key pre-stretching. The spec has been updated to take advantage of this.= +<div><br></div><div>The user's password is now protected by 10,000 roun= +ds of salted PBKDF2-HMAC-SHA512, as well as the main KDF (which ranges from= + scrypt 2^14/8/8 to scrypt 2^18/16/16 and PBKDF2-HMAC-SHA512 2^16 to 2^21).= +</div> +<div><br></div><div>Will</div><div><br><div><div class=3D"gmail_extra"><div= + class=3D"gmail_quote">On Mon, Apr 21, 2014 at 7:05 PM, William Yager <span= + dir=3D"ltr"><<a href=3D"mailto:will.yager@gmail.com" target=3D"_blank">= +will.yager@gmail.com</a>></span> wrote:<br> +<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p= +x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div><br></div><div>The ide= +a is that more powerful devices (mobile phones, laptops, etc.) can do all t= +he key-stretching on their own, whereas weaker devices with access to anoth= +er device with more computing power (like Trezors) do a fair amount of key-= +stretching on their own, but can safely export the rest of the key-stretchi= +ng to the other device.</div> +</div></blockquote></div></div></div></div></div> + +--001a11c3dc484a029004f7cf03ab-- + + |