See attestation_0046.md in this directory for Tomasz Korwin-Gajkowski's signed attestation.
Hash of the challenge file for verification:
939038cd 2dc5a1c0 20f368d2 bfad8686
950fdf7e c2d2e192 a7d59509 3068816b
becd914b a293dd8a cb6d18c7 b5116b66
ea54d915 d47a89cc fbe2d5a3 444dfbed
response was based on the hash:
939038cd 2dc5a1c0 20f368d2 bfad8686
950fdf7e c2d2e192 a7d59509 3068816b
becd914b a293dd8a cb6d18c7 b5116b66
ea54d915 d47a89cc fbe2d5a3 444dfbed
Hash of the response file for verification:
f6124334 8acc3313 f3197405 d22b5ed1
b552967f 4eadd830 012ad991 c151574f
d9a8fed7 9a4a9706 bb852438 7b8180a7
1ccec376 b69e0426 91d9a01a 0c28102b
Blake2b hash of the new_challenge file for participant #47:
5aac215d a5d5efcb c8badb59 67fd43b5
b9b0a9ec f653fc5b d8604a05 869ecce3
20d3dafc 42de3eef 05ec318f 94e08552
c386b7e1 6a340f0f e9004f93 52fd1a61
The above new_challenge file: https://ppot.blob.core.windows.net/public/challenge_0047
Tomasz Korwin-Gajkowski's attestation:
Date: 05.07.2020 - 06.07.2020 Name: Tomasz Korwin-Gajkowski Location: Krakow, Poland Device: Lenovo Thinkpad P52s with Ubuntu 20.04
Challenge:
`challenge` file contains decompressed points and has a hash:
939038cd 2dc5a1c0 20f368d2 bfad8686
950fdf7e c2d2e192 a7d59509 3068816b
becd914b a293dd8a cb6d18c7 b5116b66
ea54d915 d47a89cc fbe2d5a3 444dfbed
`challenge` file claims (!!! Must not be blindly trusted) that it was based on the original contribution with a hash:
213b9ab7 06ea361c 50a34515 47f17bf6
370acade b17466a9 3db23b9b d4326375
785ac440 639809a4 398c603e 031861f2
c388ae35 9df8b31d 09994e82 885ddf06
Response:
The BLAKE2b hash of ./response is:
f6124334 8acc3313 f3197405 d22b5ed1
b552967f 4eadd830 012ad991 c151574f
d9a8fed7 9a4a9706 bb852438 7b8180a7
1ccec376 b69e0426 91d9a01a 0c28102b
Entropy Sources: random key input Side channel defences: None Postprocessing: Reboot after I finished