Thanks! Accepted your contribution. :)
On Mon, Dec 18, 2017 at 2:33 PM, Gareth Davies via zapps-wg
> Assuming everything went well I’ve also opened a PR on the
> powersoftau-attestations repo to add my contribution.
> On December 18, 2017 at 11:58:35 AM, Gareth Davies (he...@garethtdavies.com)
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> Powers of Tau Operational Write-up
> Round: 26
> Date: 2017-12-18
> Name: Gareth Davies
> Location: Victoria, BC
> Response (BLAKE2b):
> f2fe2ed9 625ad86c ee7d63cf 779d6a48
> 7b47bdd5 d1f33051 598de29c 90642eb9
> 4422ab58 4f541020 3f949f86 c56a5523
> 84d3d450 7e9e7e59 d2ec8a57 ca472bc4
> I performed the challenge concurrently on two separate computers and
> following the roll of a dice chose to upload one of them. Machine 1 was a
> 2017-built Hackintosh running macOS High Sierra 10.13.2. Machine 2 was
> running Windows 10 Home and has been in my possession for several years.
> I performed a similar approach on both machines, firstly downloading rust.
> On the Hackintosh this was achieved via Homebrew and on the Windows machine
> by downloading directly from rust-lang.org. Both machines were running the
> latest stable release of 1.22.1. On running the challenge on the Windows
> machine I encounter a link.exe error which necessitated the additional
> downloading of Visual Studio to fix and successfully run the challenge.
> I downloaded the challenge file from the S3 link provided by Sean Bowe and
> used git to clone the powersoftau repo with commit
> Side Channel Defences
> Entropy sources: For each machine, I chose a book from my library and
> randomly selected words from each. My typing is terrible, so a number were
> misspelt which I did not correct. In addition, I then performed an
> obligatory “mashing of the keyboard” for added randomness.
> Physical/electronic monitoring: I didn’t perform anything specific in this
> regard albeit the challenge was performed concurrently on two machines. Both
> computers were located in my basement and watched throughout by myself and
> dog who, albeit slept through the majority of the process, did not raise any
> alarms regarding physical intruders.
> As above once both challenges were complete I rolled a dice (assigning odd
> numbers to one computer and even to another) and uploaded the corresponding
> chosen response. I have no intention to destroy either machine, but both
> machines were shut down following completion of the challenge.
> Gareth Davies
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> Comment: https://keybase.io/crypto
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> On December 16, 2017 at 9:40:44 PM, Sean Bowe (s...@z.cash) wrote:
> Sounds great! I'll ping you Monday.
> On Fri, Dec 15, 2017 at 6:50 PM, Gareth Davies via zapps-wg
> <zapps...@lists.z.cash.foundation> wrote:
>> I would like to join the MPC ceremony. I am available to participate on
>> day during the next week depending on when it would be required.