See jc_attestation.txt in this directory for JosephC's signed attestation.
Hash of the challenge file for verification:
7695680f c6eb5d11 e31b48be a122428a
11cf5429 d54b7d9d cd24c879 9876ae61
6850f232 0f68964d b26e04dd 06ce5747
965e7f41 aefa1eec 790e9566 5c0e6342
response was based on the hash:
7695680f c6eb5d11 e31b48be a122428a
11cf5429 d54b7d9d cd24c879 9876ae61
6850f232 0f68964d b26e04dd 06ce5747
965e7f41 aefa1eec 790e9566 5c0e6342
Hash of the response file for verification:
527fe68c 16219d86 018de364 fc5701b1
44fc5b68 eb063c9a 8c4e8405 b35f4561
b55363df 6d9adf82 8792c7b1 92a595b4
4aadbea7 cdef918a 11bfe65a 89c9e4a3
Blake2b hash of the new_challenge file for participant #33:
daa7c3b5 570966a7 1180db03 c0d76def
00395cb6 95c90736 d9c7c240 8bc76b33
bda8ee88 f495b77d 1927a94d 37e67726
89e7cb8a 1796c863 5c1153fc 6d6b6f42
The above new_challenge file: https://ppot.blob.core.windows.net/public/challenge_0033
JosephC's attestation:
Attestation to response 0032
----------------------------
**Date:** 2020 Apr 22
Name: JosephC
Location: SF Bay Area
Device(s): Ultrabook
challenge file contains decompressed points and has a hash:
7695680f c6eb5d11 e31b48be a122428a
11cf5429 d54b7d9d cd24c879 9876ae61
6850f232 0f68964d b26e04dd 06ce5747
965e7f41 aefa1eec 790e9566 5c0e6342
URL: https://ppotusw.blob.core.windows.net/public/challenge_0032
Software used: https://github.com/kobigurk/phase2-bn254/commit/bf852c168676a7afc5dd17b47ff9b8f394aeab8a
rustc 1.42.0 (b8cedc004 2020-03-09)
The BLAKE2b hash of ./response is:
527fe68c 16219d86 018de364 fc5701b1
44fc5b68 eb063c9a 8c4e8405 b35f4561
b55363df 6d9adf82 8792c7b1 92a595b4
4aadbea7 cdef918a 11bfe65a 89c9e4a3
Entropy sources: keyboard mashing and a blockhash or two
Time taken: ~48 hours
Side channel defenses: Disabled WiFi
Postprocessing: Uploaded the response to an SFTP server.
This attestation is signed by JosephC.
https://keybase.io/cdili