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added new verifiers
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Arvolear committed Sep 27, 2024
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189 changes: 189 additions & 0 deletions contracts/passport/verifiers2/ukr/PUKRECDSABrainpool256Verifier2.sol
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// SPDX-License-Identifier: GPL-3.0
/*
Copyright 2021 0KIMS association.
This file is generated with [snarkJS](https://github.com/iden3/snarkjs).
snarkJS is a free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
snarkJS is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with snarkJS. If not, see <https://www.gnu.org/licenses/>.
*/

pragma solidity >=0.7.0 <0.9.0;

contract PUKRECDSABrainpool256Verifier2 {
// Scalar field size
uint256 constant r =
21888242871839275222246405745257275088548364400416034343698204186575808495617;
// Base field size
uint256 constant q =
21888242871839275222246405745257275088696311157297823662689037894645226208583;

// Verification Key data
uint256 constant alphax =
20491192805390485299153009773594534940189261866228447918068658471970481763042;
uint256 constant alphay =
9383485363053290200918347156157836566562967994039712273449902621266178545958;
uint256 constant betax1 =
4252822878758300859123897981450591353533073413197771768651442665752259397132;
uint256 constant betax2 =
6375614351688725206403948262868962793625744043794305715222011528459656738731;
uint256 constant betay1 =
21847035105528745403288232691147584728191162732299865338377159692350059136679;
uint256 constant betay2 =
10505242626370262277552901082094356697409835680220590971873171140371331206856;
uint256 constant gammax1 =
11559732032986387107991004021392285783925812861821192530917403151452391805634;
uint256 constant gammax2 =
10857046999023057135944570762232829481370756359578518086990519993285655852781;
uint256 constant gammay1 =
4082367875863433681332203403145435568316851327593401208105741076214120093531;
uint256 constant gammay2 =
8495653923123431417604973247489272438418190587263600148770280649306958101930;
uint256 constant deltax1 =
17648214234331957568330960957431498544435101565910880115570722598320265006571;
uint256 constant deltax2 =
1377972305104844376387599205844979928840838786046793361825321730630934362959;
uint256 constant deltay1 =
2077816914261812197050368998616279328991484916205907994635778419662553645477;
uint256 constant deltay2 =
2206289321184310538510887385465087836163090981404797579272381439458278590108;

uint256 constant IC0x =
18620266600276641562820981570212476034197495789902029506640735641849992291769;
uint256 constant IC0y =
19180656759806716198038875169019531739979112910755771923690114773726221215288;

uint256 constant IC1x =
272955953602785972907203424364571796460055637613382016500922878551440008739;
uint256 constant IC1y =
5276638731998402720315200280007489042508900143842986105052170133990433041996;

// Memory data
uint16 constant pVk = 0;
uint16 constant pPairing = 128;

uint16 constant pLastMem = 896;

function verifyProof(
uint[2] calldata _pA,
uint[2][2] calldata _pB,
uint[2] calldata _pC,
uint[1] calldata _pubSignals
) public view returns (bool) {
assembly {
function checkField(v) {
if iszero(lt(v, q)) {
mstore(0, 0)
return(0, 0x20)
}
}

// G1 function to multiply a G1 value(x,y) to value in an address
function g1_mulAccC(pR, x, y, s) {
let success
let mIn := mload(0x40)
mstore(mIn, x)
mstore(add(mIn, 32), y)
mstore(add(mIn, 64), s)

success := staticcall(sub(gas(), 2000), 7, mIn, 96, mIn, 64)

if iszero(success) {
mstore(0, 0)
return(0, 0x20)
}

mstore(add(mIn, 64), mload(pR))
mstore(add(mIn, 96), mload(add(pR, 32)))

success := staticcall(sub(gas(), 2000), 6, mIn, 128, pR, 64)

if iszero(success) {
mstore(0, 0)
return(0, 0x20)
}
}

function checkPairing(pA, pB, pC, pubSignals, pMem) -> isOk {
let _pPairing := add(pMem, pPairing)
let _pVk := add(pMem, pVk)

mstore(_pVk, IC0x)
mstore(add(_pVk, 32), IC0y)

// Compute the linear combination vk_x

g1_mulAccC(_pVk, IC1x, IC1y, calldataload(add(pubSignals, 0)))

// -A
mstore(_pPairing, calldataload(pA))
mstore(add(_pPairing, 32), mod(sub(q, calldataload(add(pA, 32))), q))

// B
mstore(add(_pPairing, 64), calldataload(pB))
mstore(add(_pPairing, 96), calldataload(add(pB, 32)))
mstore(add(_pPairing, 128), calldataload(add(pB, 64)))
mstore(add(_pPairing, 160), calldataload(add(pB, 96)))

// alpha1
mstore(add(_pPairing, 192), alphax)
mstore(add(_pPairing, 224), alphay)

// beta2
mstore(add(_pPairing, 256), betax1)
mstore(add(_pPairing, 288), betax2)
mstore(add(_pPairing, 320), betay1)
mstore(add(_pPairing, 352), betay2)

// vk_x
mstore(add(_pPairing, 384), mload(add(pMem, pVk)))
mstore(add(_pPairing, 416), mload(add(pMem, add(pVk, 32))))

// gamma2
mstore(add(_pPairing, 448), gammax1)
mstore(add(_pPairing, 480), gammax2)
mstore(add(_pPairing, 512), gammay1)
mstore(add(_pPairing, 544), gammay2)

// C
mstore(add(_pPairing, 576), calldataload(pC))
mstore(add(_pPairing, 608), calldataload(add(pC, 32)))

// delta2
mstore(add(_pPairing, 640), deltax1)
mstore(add(_pPairing, 672), deltax2)
mstore(add(_pPairing, 704), deltay1)
mstore(add(_pPairing, 736), deltay2)

let success := staticcall(sub(gas(), 2000), 8, _pPairing, 768, _pPairing, 0x20)

isOk := and(success, mload(_pPairing))
}

let pMem := mload(0x40)
mstore(0x40, add(pMem, pLastMem))

// Validate that all evaluations ∈ F

checkField(calldataload(add(_pubSignals, 0)))

checkField(calldataload(add(_pubSignals, 32)))

// Validate all evaluations
let isValid := checkPairing(_pA, _pB, _pC, _pubSignals, pMem)

mstore(0, isValid)
return(0, 0x20)
}
}
}
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