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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] [RFC] Proposal: Base58 encoded HD Wallet
master seed with optional encryption
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I've made no changes since the last time I've mentioned it here on the =
list (when the BIP procedures were being discussed).
The last changes are:
01-10-2013 - Expanded the salt to be prefix + date + checksum and =
renamed 'master seed' to 'root key'.
24-07-2013 - Added user selectable KDF + parameters, encoded in the =
prefix.
22-07-2013 - Added 2 byte creation date field, as a result, the prefix =
is expanded to 3 bytes.
The biggest difference between this proposal and BIP38 is that BIP38 =
allows a 3rd party to generate the encrypted private key + confirmation =
code from a passphrase code. Since this proposal is about encrypting a =
random value that's fed into HMAC-SHA512 and the presence of a partial =
hash of the root address, that's not possible.
>> https://bitcointalk.org/index.php?topic=3D258678
>=20
> Greetings. Any recent progress on this?
>=20
> Do we believe this proposal can replace BIP38? If not, what are the
> limitations that would prevent it from doing so?
--Apple-Mail=_A995914C-4047-4CD9-8AFC-104CEE1E35EF
Content-Transfer-Encoding: quoted-printable
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space;"><div><br></div><div>I've made no changes since the =
last time I've mentioned it here on the list (when the BIP procedures =
were being discussed).</div><div><br></div><div>The last changes =
are:</div><div><br></div><div>01-10-2013 - Expanded the salt to be =
prefix + date + checksum and renamed 'master seed' to 'root =
key'.</div><div>24-07-2013 - Added user selectable KDF + parameters, =
encoded in the prefix.</div><div>22-07-2013 - Added 2 byte creation date =
field, as a result, the prefix is expanded to 3 =
bytes.</div><div><br></div><div>The biggest difference between this =
proposal and BIP38 is that BIP38 allows a 3rd party to generate the =
encrypted private key + confirmation code from a passphrase code. Since =
this proposal is about encrypting a random value that's fed into =
HMAC-SHA512 and the presence of a partial hash of the root address, =
that's not =
possible.</div><div><br></div><div><br></div><div><br></div><div><br></div=
><div><blockquote type=3D"cite"><blockquote type=3D"cite"><a =
href=3D"https://bitcointalk.org/index.php?topic=3D258678">https://bitcoint=
alk.org/index.php?topic=3D258678</a></blockquote></blockquote><blockquote =
type=3D"cite"><br></blockquote><blockquote type=3D"cite">Greetings. =
Any recent progress on this?<br><br>Do we believe this proposal =
can replace BIP38? If not, what are the<br>limitations that would =
prevent it from doing so?<br></blockquote></div><br></body></html>=
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