stefandeml

stefandeml

#!/usr/bin/env bash
set -xeuo pipefail

# Cleanup
set +e
umount /mnt/boot
umount /mnt
vgchange -an vgnvme
set -e

stefandeml

# Create partitions
parted --script /dev/nvme0n1 mklabel gpt
parted --script --align optimal /dev/nvme0n1 -- mklabel gpt mkpart 'ESP-partition' fat32 1MB 551MB set 1 esp on mkpart 'LVM-partition' 551MB '100%'
partprobe
udevadm settle --timeout=5 --exit-if-exists=/dev/nvme0n1p1
udevadm settle --timeout=5 --exit-if-exists=/dev/nvme0n1p2
# Cleanup
wipefs -a /dev/nvme0n1p1
wipefs -a /dev/nvme0n1p2
set +e

stefandeml

def main(field a, field b) -> (field):
  field result = a + b
  return result

stefandeml

import "ecc/babyjubjubParams.code" as context
// Add two points on a twisted Edwards curve
// Curve parameters are defined with the last argument
// https://en.wikipedia.org/wiki/Twisted_Edwards_curve#Addition_on_twisted_Edwards_curves
def main(field[2] pt1, field[2] pt2, field[10] context) -> (field[2]):

    field a = context[0]
    field d = context[1] 

    field u1 = pt1[0]

stefandeml

import "ecc/babyjubjubParams.code" as context
import "ecc/proofOfOwnership.code" as proofOfOwnership
import "hashes/sha256/512bitPacked.code" as sha256packed

def proofOfKnowledge(private field[4] secret, field[2] hash) -> (field):
    // check that the computed hash matches the input
    hash == sha256packed(secret)
    return 1

def main(field[2] pkA, field[2] pkB, field[2] hash, private field skA, private field[4] secret, private field skB) -> (field):

stefandeml

import "ecc/babyjubjubParams.code" as context
import "ecc/proofOfOwnership.code" as proofOfOwnership
import "hashes/sha256/512bitPacked.code" as sha256packed
def hash(private field[4] secret) -> (field[2]):
    return sha256packed(secret)

def main(field[2] pkA, private field[4] secret, private field skA) -> (field[2]):
    // load BabyJubJub context
    context = context()
    // prove ownership of skA

stefandeml

import "ecc/babyjubjubParams.code" as context
import "ecc/proofOfOwnership.code" as proofOfOwnership
import "hashes/sha256/512bitPacked.code" as sha256packed

def proofOfKnowledge(private field i1, private field i2, private field i3, private field i4, field h0, field h1) -> (field):
    digest = sha256packed([i1, i2, i3, i4])
    digest[0] == h0
    digest[1] == h1
    return 1

stefandeml

import "ecc/babyjubjubParams.code" as context
import "ecc/proofOfOwnership.code" as proofOfOwnership
import "hashes/sha256/512bitPacked.code" as sha256packed

def proofOfKnowledge(private field i1, private field i2, private field i3, private field i4, field h0, field h1) -> (field):
    digest = sha256packed([i1, i2, i3, i4])
    digest[0] == h0
    digest[1] == h1
    return 1

stefandeml

%load_ext autoreload  
%autoreload 2  
# %%
import hashlib

from zokrates.eddsa import PrivateKey, PublicKey
from zokrates.field import FQ
from zokrates.utils import write_for_zokrates_cli