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From: "Russell O'Connor" <roconnor@blockstream•io>
To: Peter Todd <pete@petertodd•org>
Cc: Bitcoin Protocol Discussion <bitcoin-dev@lists•linuxfoundation.org>
Subject: Re: [bitcoin-dev] A Method for Computing Merkle Roots of Annotated Binary Trees
Date: Mon, 22 May 2017 18:32:38 -0400	[thread overview]
Message-ID: <CAMZUoKk1fxOLgBfuxqXpxG-M5ZCPHZBb62_LZF7H4syQ-L7tCg@mail.gmail.com> (raw)
In-Reply-To: <20170522140548.GA17732@fedora-23-dvm>

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On May 22, 2017 23:05, "Peter Todd" <pete@petertodd•org> wrote:

On Mon, May 22, 2017 at 03:05:49AM -0400, Russell O'Connor via bitcoin-dev
wrote:
>     MerkleRoot := SHA256(SHA256(LeftRoot ⋅ RightRoot))
>     sha256Compress : Word256 × Word512 -> Word256

To be clear, what math operations do you mean by "⋅" and "×"?


By "⋅", I usually mean concatenation (though I also use it for function
composition in one instance).   By "×", I mean the Cartesian product.

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  reply	other threads:[~2017-05-22 22:32 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-22  7:05 Russell O'Connor
2017-05-22 14:05 ` Peter Todd
2017-05-22 22:32   ` Russell O'Connor [this message]
2017-05-27 17:41     ` Peter Todd
     [not found]       ` <CAMZUoKkS8azx7Gooo3D+H_gdGdTNiNtwwNVbvU0u7HzOfdUSBg@mail.gmail.com>
2017-05-27 22:07         ` Russell O'Connor
2017-05-23  6:06 ` Bram Cohen
2017-05-28  8:26 ` Peter Todd
2017-05-29 14:55   ` Russell O'Connor
2017-05-29 16:10     ` Peter Todd
2017-06-01 15:10       ` Russell O'Connor
2017-06-27  4:13     ` Peter Todd

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