See attestation_jordi
in this directory for Jordi Baylina's signed attestation.
Hash of the challenge
file for verification:
ede3b130 b045333f 3de41950 aedc7006
e8fa2d28 7faa24d5 fc4a7338 c631a52f
8d47199d 4649b153 f175eb1d 0863c83f
a0d746a6 6f774d08 6743c4d4 d136cfe0
response
was based on the hash:
ede3b130 b045333f 3de41950 aedc7006
e8fa2d28 7faa24d5 fc4a7338 c631a52f
8d47199d 4649b153 f175eb1d 0863c83f
a0d746a6 6f774d08 6743c4d4 d136cfe0
Hash of the response
file for verification:
1ccb74ca 75f43945 8fd1fda3 c3937669
ed672302 47c101a2 940f0d88 90a8eb9f
24efda2a d2f3c2d2 b0718d01 5caddba2
afbe49a1 a82e38c7 9ec78df6 6479bf91
Blake2b hash of the new_challenge
file for participant #50:
025d2ee9 4c4cf08f 6a2adeff 90075f4d
f4c29632 2e6fa910 815813ab 5e30f5b7
2d88b8b9 bda180ed 03c26cd5 2705ee1f
17d615f9 aa3d9a56 4434d457 d00c95d9
The above new_challenge
file: https://ppot.blob.core.windows.net/public/challenge_0050
Jordi Baylina's attestation:
Date: Sun Jul 19 2020
Name: Jordi Baylina (iden3)
Location: Pafos, Cyprus
Device: OVH Server with 16 cores 2.3GHz
Software version: snarkjs v0.3.6 https://github.com/iden3/snarkjs
snarkJS is an independent implementation of zkSnarks writen by myself. snarkJS is part of the iden3 project. snarkJS includes a toolset compatible with this perpetual powers of tau ceremony.
Challenge: URL: https://ppotde.blob.core.windows.net/public/challenge_0049
blake2b challange Hash:
ede3b130 b045333f 3de41950 aedc7006
e8fa2d28 7faa24d5 fc4a7338 c631a52f
8d47199d 4649b153 f175eb1d 0863c83f
a0d746a6 6f774d08 6743c4d4 d136cfe0
challange claims it's based on:
08896cef 6150e35c b1e16685 6f8e5699
2be30192 6dc217f2 5e162393 92df2d49
a82d1f9b 25205431 fd484707 f8e15d2c
bb75d3f1 36bed23f dc268a6a e2d7bc8d
Response:
blake2b response hash:
1ccb74ca 75f43945 8fd1fda3 c3937669
ed672302 47c101a2 940f0d88 90a8eb9f
24efda2a d2f3c2d2 b0718d01 5caddba2
afbe49a1 a82e38c7 9ec78df6 6479bf91
Time taken:
- Challenge download time = 11 hours (aprox)
- Execution time = 12hours 38min
- Upload time = 40 min
Entropy Sources: Keyboard mashing
Side channel defences: Nothing special.
Postprocessing: I upload the response and then run a verification of the file. Then I rebooted the machine.
Next challange hash:
025d2ee9 4c4cf08f 6a2adeff 90075f4d
f4c29632 2e6fa910 815813ab 5e30f5b7
2d88b8b9 bda180ed 03c26cd5 2705ee1f
17d615f9 aa3d9a56 4434d457 d00c95d9