From: Mark Friedenbach <mark@monetize•io>
To: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] BIP0039: Final call
Date: Mon, 20 Jan 2014 15:18:36 -0800 [thread overview]
Message-ID: <52DDAECC.9010107@monetize.io> (raw)
In-Reply-To: <20140120231441.GA9332@netbook.cypherspace.org>
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Proper Unicode handling is a serious issue however. You don't want
someone to move from one input method / machine to another and
suddenly find that their coins are inaccessible, because of an issue
of decomposed vs. compatibility forms or whatever.
On 01/20/2014 03:14 PM, Adam Back wrote:
> Because the mnemonic is an encoding of a 128-bit random number
> using its hash as a private key (or derived part of one) is not a
> problem, its just an alternate alphabet encoding of the random
> private key.
>
> Not being able to generically understand the checksum. Seems
> tricky to solve other than say brute force eg H(mnemonic||1) mod
> 2^k == 0 where k is the amount of check digit redundancy. But that
> might be expensive for a trezor if k is very big at all. And then
> key = H(mnemonic).
>
> Adam
>
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next prev parent reply other threads:[~2014-01-20 23:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-20 17:42 slush
2014-01-20 19:55 ` Mike Hearn
2014-01-20 20:02 ` Luke-Jr
2014-01-20 21:47 ` slush
2014-01-20 22:01 ` Mark Friedenbach
2014-01-20 22:05 ` Brooks Boyd
2014-01-20 22:35 ` Peter Todd
2014-01-20 23:06 ` Christophe Biocca
2014-01-20 23:18 ` slush
2014-01-21 0:00 ` Thomas Voegtlin
2014-01-24 9:05 ` Peter Todd
2014-01-24 16:47 ` Thomas Voegtlin
2014-01-20 23:14 ` Adam Back
2014-01-20 23:18 ` Mark Friedenbach [this message]
[not found] <mailman.423274.1390277261.21953.bitcoin-development@lists.sourceforge.net>
2014-01-21 5:43 ` Tamas Blummer
2014-01-21 10:01 ` Gary Rowe
2014-01-21 10:11 ` Mike Hearn
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