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From: Andrew Poelstra <apoelstra@wpsoftware.net>
To: Rama Gan <ganrama@proton.me>, g@camus
Cc: "bitcoindev@googlegroups.com" <bitcoindev@googlegroups.com>
Subject: Re: [bitcoindev] Penlock, a paper-computer for secret-splitting BIP39 seed phrases
Date: Fri, 24 May 2024 14:14:48 +0000	[thread overview]
Message-ID: <ZlCg2C4kZSGUN3Qx@camus> (raw)
In-Reply-To: <EfekwtxUZKN_4z53hjqo7lXhcMDaRHlIC-EOWNjcpL_cJgeYPa1-_1g0b6PxLZPEL0oj7YAXEWK7yg7WiEHH2FkIk7WHIFGwjMB1zoxYb6M=@proton.me>

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On Fri, May 24, 2024 at 10:39:57AM +0000, Rama Gan wrote:
> 
> About a header, the problem is that the fast 2-of-M algorithm won't preserve
> constant values across shares as Codex32 does.
>

Are you sure? It seems that if two shares have the same value in a given
position, the line through them should be constant, meaning that every
other share will have the same constant value.

-- 
Andrew Poelstra
Director, Blockstream Research
Email: apoelstra at wpsoftware.net
Web:   https://www.wpsoftware.net/andrew

The sun is always shining in space
    -Justin Lewis-Webster

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  reply	other threads:[~2024-05-24 14:21 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-12 18:04 [bitcoindev] Penlock, a paper-computer for secret-splitting BIP39 seed phrases 'Rama Gan' via Bitcoin Development Mailing List
2024-05-13 13:40 ` Andrew Poelstra
2024-05-14 12:03   ` 'Rama Gan' via Bitcoin Development Mailing List
2024-05-14 13:42     ` Andrew Poelstra
2024-05-16  7:43       ` 'Rama Gan' via Bitcoin Development Mailing List
2024-05-16 13:27         ` Andrew Poelstra
2024-05-16 17:24           ` Andrew Poelstra
2024-05-24 10:39             ` 'Rama Gan' via Bitcoin Development Mailing List
2024-05-24 14:14               ` Andrew Poelstra [this message]
2024-05-24 15:02                 ` 'Rama Gan' via Bitcoin Development Mailing List
2024-05-14 12:43 ` 'Rama Gan' via Bitcoin Development Mailing List

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