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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next prev parent 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 [bitcoin-dev] A Method for Computing Merkle Roots of Annotated Binary Trees 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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