Thanks! Excellent job. > In an effort to overwrite the RAM and run out the battery, I started two > instances of `cargo test`.
Clever. :) Sean On Thu, Nov 23, 2017 at 4:54 PM, Adam Nagel via zapps-wg <zapps...@lists.z.cash.foundation> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > Powers of Tau Participation Writeup > =================================== > Date: 2017-11-23 > Name: Adam Nagel > Location: South Florida, USA > > > Ceremony Software > ================= > powersoftau repository commit > 9e1553c437183540392a7231d0788318a19b18a3 > > cargo 0.24.0-nightly (abd137ad1 2017-11-12) > > > BLAKE2b hashes > ============== > Challenge file > e15f7392ebe912c2f9419f4b4ed4242b6207bad916d22ffb10a0c9c08445ae6f0eebd35c7e52ecd5ff611bb8c8d6bedd9e711cd8485b88d6e2b0d276ee979bb7 > > The BLAKE2b hash of `./response` is: > cdb09d81 858da53b 5581c25d 805e442b > 5a37bf75 ccb1e1b3 104d9886 742c2dae > 220cc817 9902653e 1783ba13 f47d5367 > 8360ba3f 7f3d1557 e1472b07 1b796fc5 > > /usr/local/bin/cargo > a5adde35def05d778b9490ba8813f5085ec9a55e88f0fe7c42282508a43774625c2fd84f01383ff3478d345fe8dd1a455096380d37bcf51f4424924c2bf3c07d > > ./target/release/compute > 88b2a3d5b8740ff699d6e9ba516d3dcebbcc36c5df64eeeb529ecda8f792de032fad915fbb23168bba8c65a02ff3695176fd1321413b1a6247082137f5f9334d > > ./target/release/compute (with --features=u128-support) > dae100bbdbd9fd6c1280422906ae6fd0dc9c7115d75749c0df01ad8f106924ede534f5ffcdd61255e15d383dd0384d2efe90afc9f2fc27e745996714ec8b20b0 > > > Procedure > ========= > I prepared a 2013 Macbook Pro with cargo, powersoftau, and FileVault on > November 15 at my home in Nashville, disabled the radios, and left it > powered off until today. > > My turn came up while vacationing in Florida and traveling in a rented car. > This morning, I sat down in the first coffee shop I encountered and used a > second laptop to download the challenge file to a USB stick. Then I copied > the challenge file to my compute machine. > > Entropy was generated with about 30 seconds of key-mashing. I allowed it to > run while driving around Homestead and Florida City, leaving the Bluetooth > and Wifi radios disabled. When the process completed, I made a copy of the > response file. > > I then performed another computation from Long Pine Key Campground in > Everglades National Park, with entropy generated using the same process. > > A coin flip determined which response file to use. The winner was > transferred to USB stick and uploaded to S3 over Verizon 4G LTE from the > campground. > > In an effort to overwrite the RAM and run out the battery, I started two > instances of `cargo test`. Add in the South Florida heat, and the fans have > never worked so hard. I intend to leave this computer off for several weeks, > re-format its hard drive, and use it for other purposes in the future. > > Thanks to Sean for coordinating everything, and thanks to the community for > the chance to participate. > -----BEGIN PGP SIGNATURE----- > Version: Keybase OpenPGP v2.0.76 > Comment: https://keybase.io/crypto > > wsBcBAABCgAGBQJaF197AAoJEH9HRRD/y1TBjDEIANpIrKw9QFDJM2vyvpPEGVui > 0mhEStbFX6DZlLcOTzwhGvaitiBlZWFLus3F4aQocXvLwdAtKenVpd5jDKrMHre0 > rcsHewVrgVigvvUeHqTmNMMDx5yvJdKG8MbeNeJSxLge6omHMBydQWot6ytQNnRk > L9+Nq8h436GCu4ypFiNxgiAKsJF/RFTAe+W2rHECjGqsVpMIuczWwOupeYyncSOS > JTQ4dLi1VFIsgOzDJI7GeGU8OKlfb4gxtW1YpZlgoFD4KyUQTah0qXyDcTn/eqw0 > iwB1Tg6pJSl/4CBLGshK9gKcw4+2FwnYmW/S3c3+DPUcKSiaSSfbBEiTw3N23zs= > =qUCa > -----END PGP SIGNATURE----- >
