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Date: Wed, 12 Mar 2014 21:24:27 +0100
From: Pavol Rusnak <stick@gk2.sk>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] [RFC] Proposal: Base58 encoded HD Wallet
 root key with optional encryption
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On 03/12/2014 09:10 PM, William Yager wrote:
> implement this is to allow semi-trusted devices (like desktop PCs) to do
> all the "heavy lifting". The way the spec is defined, it is easy to have a
> more powerful device do all the tough key stretching work without
> significantly compromising the security of the wallet.

By disclosing "preH" to compromised computer (between steps 4 and 5) you
make further steps 5-9 quite less important.

Too bad you started to work on spec just recently. :-/

-- 
Best Regards / S pozdravom,

Pavol Rusnak <stick@gk2.sk>