License fix and remove gig test

README.md

@@ -1,4 +1,4 @@
-# JavaScript implementation of zkSNARKs.
+# snarkjs: JavaScript implementation of zkSNARKs.
 
 This is a JavaScript implementation of zkSNARK schemes.
 
@@ -9,15 +9,25 @@ This library uses the compiled circuits generated by the jaz compiler.
 ## Install.
 
 ```sh
-npm install zksnark
+npm install snarkjs
 ```
 
-## Usage.
+## Usage from command line.
+
+
+```sh
+snarkjs --help
+```
+
+Will show all the info in how to use the cli.
+
+## Ussage from jacascript
+
 
 ### Import.
 
 ```js
-const zkSnark = require("zksnark");
+const zkSnark = require("snarkjs");
 ```
 
 ### Load a circuit.
@@ -110,3 +120,9 @@ if (zkSnark.isValid(vk_verifier, proof, publicSignals)) {
     console.log("The proof is not valid");
 }
 ```
+
+## License
+
+snarkjs is part of the iden3 project copyright 2018 0KIMS association and published with GPL-3 license. Please check the COPYING file for more details.
+
+

index.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or 
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 exports.Circuit = require("./src/circuit.js");

package.json

@@ -1,6 +1,6 @@
 {
   "name": "snarkjs",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "zkSNARKs implementation in JavaScript",
   "main": "index.js",
   "scripts": {

src/bigint.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 /* global BigInt */

src/bn128.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or 
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const bigInt = require("./bigint.js");

src/calculateWitness.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const bigInt = require("./bigint");

src/circuit.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const bigInt = require("./bigint.js");

src/f2field.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or 
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const fUtils = require("./futils.js");

src/f3field.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or 
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const fUtils = require("./futils.js");

src/futils.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or 
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const bigInt = require("./bigint.js");

src/gcurve.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const fUtils = require("./futils.js");

src/polfield.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 /*

src/prover.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const BN128 = require("./bn128.js");

src/ratfield.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or 
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const fUtils = require("./futils.js");

src/setup.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const bigInt = require("./bigint.js");

src/setup_old.js

@@ -1,353 +0,0 @@
-/*
-    Copyright 2018 0kims association.
-
-    This file is part of zksnark JavaScript library.
-
-    zksnark JavaScript library 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.
-
-    zksnark JavaScript library 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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
-*/
-
-const bigInt = require("./bigint.js");
-
-const BN128 = require("./bn128.js");
-const PolField = require("./polfield.js");
-const ZqField = require("./zqfield.js");
-const RatField = require("./ratfield.js");
-
-const bn128 = new BN128();
-const G1 = bn128.G1;
-const G2 = bn128.G2;
-const PolF = new PolField(new ZqField(bn128.r));
-const RatPolF = new PolField(new RatField(new ZqField(bn128.r)));
-const F = new ZqField(bn128.r);
-
-module.exports = function setup(circuit) {
-    const setup = {
-        vk_proof : {
-            nVars: circuit.nVars,
-            nPublic: circuit.nPubInputs + circuit.nOutputs
-        },
-        vk_verifier: {
-            nPublic: circuit.nPubInputs + circuit.nOutputs
-        },
-        toxic: {}
-    };
-
-    calculatePolynomials2(setup, circuit);
-    setup.toxic.t = F.random();
-    calculateEncriptedValuesAtT(setup, circuit);
-    calculateHexps(setup, circuit);
-
-    return setup;
-};
-
-function calculatePolynomials(setup, circuit) {
-    // Calculate the points that must cross each polynomial
-
-/*
-    setup.toxic.aExtra = [];
-    setup.toxic.bExtra = [];
-    setup.toxic.cExtra = [];
-    const aPoints = [];
-    const bPoints = [];
-    const cPoints = [];
-    for (let s = 0; s<circuit.nVars; s++) {
-        aPoints[s] = [];
-        bPoints[s] = [];
-        cPoints[s] = [];
-        for (let c=0; c<circuit.nConstraints; c++) {
-            aPoints[s].push([[bigInt(c), F.one], [circuit.a(c, s), F.one]]);
-            bPoints[s].push([[bigInt(c), F.one], [circuit.b(c, s), F.one]]);
-            cPoints[s].push([[bigInt(c), F.one], [circuit.c(c, s), F.one]]);
-        }
-        // Add an extra point to avoid constant polinolials.
-        setup.toxic.aExtra[s] = F.random();
-        setup.toxic.bExtra[s] = F.random();
-        setup.toxic.cExtra[s] = F.random();
-        aPoints[s].push([[bigInt(circuit.nConstraints), F.one], [setup.toxic.aExtra[s], F.one]]);
-        bPoints[s].push([[bigInt(circuit.nConstraints), F.one], [setup.toxic.bExtra[s], F.one]]);
-        cPoints[s].push([[bigInt(circuit.nConstraints), F.one], [setup.toxic.cExtra[s], F.one]]);
-    }
-
-    // Calculate the polynomials using Lagrange
-    setup.vk_proof.polsA = [];
-    setup.vk_proof.polsB = [];
-    setup.vk_proof.polsC = [];
-    for (let s=0; s<circuit.nVars; s++) {
-//        console.log(`Caclcualte Pol ${s}/${circuit.nVars}`);
-        const pA = RatPolF.lagrange( aPoints[s] );
-        const pB = RatPolF.lagrange( bPoints[s] );
-        const pC = RatPolF.lagrange( cPoints[s] );
-
-        setup.vk_proof.polsA.push( unrat(pA) );
-        setup.vk_proof.polsB.push( unrat(pB) );
-        setup.vk_proof.polsC.push( unrat(pC) );
-
-    }
-*/
-
-    setup.toxic.aExtra = [];
-    setup.toxic.bExtra = [];
-    setup.toxic.cExtra = [];
-
-    let allZerosPol = [bigInt(1)];
-
-    for (let c=0; c<=circuit.nConstraints; c++) {
-        allZerosPol = PolF.mul(allZerosPol, [F.neg(bigInt(c)), F.one]);
-    }
-
-    setup.vk_proof.polsA = [];
-    setup.vk_proof.polsB = [];
-    setup.vk_proof.polsC = [];
-    for (let s = 0; s<circuit.nVars; s++) {
-        setup.vk_proof.polsA.push([]);
-        setup.vk_proof.polsB.push([]);
-        setup.vk_proof.polsC.push([]);
-    }
-
-    for (let c=0; c<circuit.nConstraints; c++) {
-        console.log("Pol: "+ c);
-        const mpol = PolF.ruffini(allZerosPol, bigInt(c));
-        const normalizer = PolF.F.inverse(PolF.eval(mpol, bigInt(c)));
-        for (let s = 0; s<circuit.nVars; s++) {
-            if (!circuit.a(c, s).isZero()) {
-                const factorA = PolF.F.mul(normalizer, circuit.a(c, s));
-                const spolA = PolF.mulScalar(mpol, factorA);
-                setup.vk_proof.polsA[s] = PolF.add(setup.vk_proof.polsA[s], spolA);
-            }
-
-            if (!circuit.b(c, s).isZero()) {
-                const factorB = PolF.F.mul(normalizer, circuit.b(c, s));
-                const spolB = PolF.mulScalar(mpol, factorB);
-                setup.vk_proof.polsB[s] = PolF.add(setup.vk_proof.polsB[s], spolB);
-            }
-
-            if (!circuit.c(c, s).isZero()) {
-                const factorC = PolF.F.mul(normalizer, circuit.c(c, s));
-                const spolC = PolF.mulScalar(mpol, factorC);
-                setup.vk_proof.polsC[s] = PolF.add(setup.vk_proof.polsC[s], spolC);
-            }
-        }
-        if (global.gc) {
-            if (c%100 == 0) global.gc();
-        }
-    }
-    const mpol = PolF.ruffini(allZerosPol, bigInt(circuit.nConstraints));
-    const normalizer = PolF.F.inverse(PolF.eval(mpol, bigInt(circuit.nConstraints)));
-    for (let s = 0; s<circuit.nVars; s++) {
-        setup.toxic.aExtra[s] = F.random();
-        const factorA = PolF.F.mul(normalizer, setup.toxic.aExtra[s]);
-        const spolA = PolF.mulScalar(mpol, factorA);
-        setup.vk_proof.polsA[s] = PolF.add(setup.vk_proof.polsA[s], spolA);
-
-        setup.toxic.bExtra[s] = F.random();
-        const factorB = PolF.F.mul(normalizer, setup.toxic.bExtra[s]);
-        const spolB = PolF.mulScalar(mpol, factorB);
-        setup.vk_proof.polsB[s] = PolF.add(setup.vk_proof.polsB[s], spolB);
-
-        setup.toxic.cExtra[s] = F.random();
-        const factorC = PolF.F.mul(normalizer, setup.toxic.cExtra[s]);
-        const spolC = PolF.mulScalar(mpol, factorC);
-        setup.vk_proof.polsC[s] = PolF.add(setup.vk_proof.polsC[s], spolC);
-    }
-
-
-
-    // Calculate Z polynomial
-    // Z = 1
-    setup.vk_proof.polZ = [bigInt(1)];
-    for (let c=0; c<circuit.nConstraints; c++) {
-        // Z = Z * (x - p_c)
-        setup.vk_proof.polZ = PolF.mul(
-            setup.vk_proof.polZ,
-            [F.neg(bigInt(c)), bigInt(1)] );
-    }
-}
-
-function calculatePolynomials2(setup, circuit) {
-    setup.toxic.aExtra = [];
-    setup.toxic.bExtra = [];
-    setup.toxic.cExtra = [];
-    setup.vk_proof.polsA = [];
-    setup.vk_proof.polsB = [];
-    setup.vk_proof.polsC = [];
-    const aPoints = new Array(circuit.nConstraints+1);
-    const bPoints = new Array(circuit.nConstraints+1);
-    const cPoints = new Array(circuit.nConstraints+1);
-
-    for (let s = 0; s<circuit.nVars; s++) {
-        for (let c=0; c<circuit.nConstraints; c++) {
-            aPoints[c] = circuit.a(c, s);
-            bPoints[c] = circuit.b(c, s);
-            cPoints[c] = circuit.c(c, s);
-        }
-        // Add an extra point to avoid constant polinolials.
-        setup.toxic.aExtra[s] = F.random();
-        setup.toxic.bExtra[s] = F.random();
-        setup.toxic.cExtra[s] = F.random();
-        aPoints[circuit.nConstraints] = setup.toxic.aExtra[s];
-        bPoints[circuit.nConstraints] = setup.toxic.bExtra[s];
-        cPoints[circuit.nConstraints] = setup.toxic.cExtra[s];
-
-        const pA = PolF.ifft( aPoints );
-        const pB = PolF.ifft( bPoints );
-        const pC = PolF.ifft( cPoints );
-
-        setup.vk_proof.polsA.push( PolF.affine(pA) );
-        setup.vk_proof.polsB.push( PolF.affine(pB) );
-        setup.vk_proof.polsC.push( PolF.affine(pC) );
-
-        console.log(s);
-
-        if (global.gc) {
-            if (s%100 == 0) global.gc();
-        }
-    }
-
-    setup.polsLen=PolF._next2Power(circuit.nConstraints+1);
-
-    // Calculate Z polynomial
-    // Z = 1
-
-
-    const bits= log2(circuit.nConstraints)+1;
-    const rt1 = PolF.w[bits];
-
-    let rt = bigInt(1);
-    setup.vk_proof.polZ = [F.one];
-    for (let c=0; c<circuit.nConstraints; c++) {
-        // Z = Z * (x - p_c)
-        setup.vk_proof.polZ = PolF.mul(
-            setup.vk_proof.polZ,
-            [F.neg(rt), F.one] );
-
-        rt = F.mul(rt, rt1);
-    }
-
-    setup.vk_proof.polZ = PolF.affine(setup.vk_proof.polZ);
-
-    function log2( V )
-    {
-        return( ( ( V & 0xFFFF0000 ) !== 0 ? ( V &= 0xFFFF0000, 16 ) : 0 ) | ( ( V & 0xFF00FF00 ) !== 0 ? ( V &= 0xFF00FF00, 8 ) : 0 ) | ( ( V & 0xF0F0F0F0 ) !== 0 ? ( V &= 0xF0F0F0F0, 4 ) : 0 ) | ( ( V & 0xCCCCCCCC ) !== 0 ? ( V &= 0xCCCCCCCC, 2 ) : 0 ) | ( ( V & 0xAAAAAAAA ) !== 0 ) );
-    }
-}
-
-function calculateEncriptedValuesAtT(setup, circuit) {
-    setup.vk_proof.A = [];
-    setup.vk_proof.B = [];
-    setup.vk_proof.C = [];
-    setup.vk_proof.Ap = [];
-    setup.vk_proof.Bp = [];
-    setup.vk_proof.Cp = [];
-    setup.vk_proof.Kp = [];
-    setup.vk_verifier.A = [];
-
-    setup.toxic.ka = F.random();
-    setup.toxic.kb = F.random();
-    setup.toxic.kc = F.random();
-    setup.toxic.kbeta = F.random();
-    setup.toxic.kgamma = F.random();
-
-    const gb = F.mul(setup.toxic.kbeta, setup.toxic.kgamma);
-
-    setup.vk_verifier.vk_a = G2.affine(G2.mulScalar( G2.g, setup.toxic.ka));
-    setup.vk_verifier.vk_b = G1.affine(G1.mulScalar( G1.g, setup.toxic.kb));
-    setup.vk_verifier.vk_c = G2.affine(G2.mulScalar( G2.g, setup.toxic.kc));
-    setup.vk_verifier.vk_gb_1 = G1.affine(G1.mulScalar( G1.g, gb));
-    setup.vk_verifier.vk_gb_2 = G2.affine(G2.mulScalar( G2.g, gb));
-    setup.vk_verifier.vk_g = G2.affine(G2.mulScalar( G2.g, setup.toxic.kgamma));
-
-    for (let s=0; s<circuit.nVars; s++) {
-
-        // A[i] = G1 * polA(t)
-        const at = F.affine(PolF.eval(setup.vk_proof.polsA[s], setup.toxic.t));
-        const A = G1.affine(G1.mulScalar(G1.g, at));
-
-        setup.vk_proof.A.push(A);
-
-        if (s <= setup.vk_proof.nPublic) {
-            setup.vk_verifier.A.push(A);
-        }
-
-
-        // B1[i] = G1 * polB(t)
-        const bt = F.affine(PolF.eval(setup.vk_proof.polsB[s], setup.toxic.t));
-        const B1 = G1.affine(G1.mulScalar(G1.g, bt));
-
-        // B2[i] = G2 * polB(t)
-        const B2 = G2.affine(G2.mulScalar(G2.g, bt));
-
-        setup.vk_proof.B.push(B2);
-
-        // C[i] = G1 * polC(t)
-        const ct = F.affine(PolF.eval(setup.vk_proof.polsC[s], setup.toxic.t));
-        const C = G1.affine(G1.mulScalar( G1.g, ct));
-        setup.vk_proof.C.push (C);
-
-        // K = G1 * (A+B+C)
-
-        const kt = F.affine(F.add(F.add(at, bt), ct));
-        const K = G1.affine(G1.mulScalar( G1.g, kt));
-
-
-
-        const Ktest = G1.affine(G1.add(G1.add(A, B1), C));
-
-        if (!G1.equals(K, Ktest)) {
-            console.log ("=====FAIL======");
-        }
-
-
-
-        setup.vk_proof.Ap.push(G1.affine(G1.mulScalar(A, setup.toxic.ka)));
-        setup.vk_proof.Bp.push(G1.affine(G1.mulScalar(B1, setup.toxic.kb)));
-        setup.vk_proof.Cp.push(G1.affine(G1.mulScalar(C, setup.toxic.kc)));
-        setup.vk_proof.Kp.push(G1.affine(G1.mulScalar(K, setup.toxic.kbeta)));
-    }
-
-    setup.vk_verifier.vk_z = G2.affine(G2.mulScalar(
-        G2.g,
-        PolF.eval(setup.vk_proof.polZ, setup.toxic.t)));
-}
-
-function calculateHexps(setup, circuit) {
-    let maxA = 0;
-    let maxB = 0;
-    let maxC = 0;
-    for (let s=0; s<circuit.nVars; s++) {
-        maxA = Math.max(maxA, setup.vk_proof.polsA[s].length);
-        maxB = Math.max(maxB, setup.vk_proof.polsB[s].length);
-        maxC = Math.max(maxC, setup.vk_proof.polsC[s].length);
-    }
-
-    let maxFull = Math.max(maxA + maxB - 1, maxC);
-
-    const maxH = maxFull - setup.vk_proof.polZ.length + 1;
-
-    setup.vk_proof.hExps = new Array(maxH);
-    setup.vk_proof.hExps[0] = G1.g;
-    let eT = setup.toxic.t;
-    for (let i=1; i<maxH; i++) {
-        setup.vk_proof.hExps[i] = G1.affine(G1.mulScalar(G1.g, eT));
-        eT = F.mul(eT, setup.toxic.t);
-    }
-}
-/*
-function unrat(p) {
-    const res = new Array(p.length);
-    for (let i=0; i<p.length; i++) {
-        res[i] = RatPolF.F.toF(p[i]);
-    }
-    return res;
-}
-*/

src/stringifybigint.js

@@ -1,3 +1,22 @@
+/*
+    Copyright 2018 0kims association.
+
+    This file is part of 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/>.
+*/
+
 const bigInt = require("./bigint.js");
 
 module.exports.stringifyBigInts = stringifyBigInts;

src/verifier.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const BN128 = require("./bn128.js");

src/zqfield.js

@@ -1,20 +1,20 @@
 /*
     Copyright 2018 0kims association.
 
-    This file is part of zksnark JavaScript library.
+    This file is part of snarkjs.
 
-    zksnark JavaScript library is a free software: you can redistribute it and/or 
+    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.
 
-    zksnark JavaScript library is distributed in the hope that it will be useful,
+    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
-    zksnark JavaScript library. If not, see <https://www.gnu.org/licenses/>.
+    snarkjs. If not, see <https://www.gnu.org/licenses/>.
 */
 
 const crypto = require("crypto");

test/zksnark.js

@@ -167,7 +167,7 @@ describe("zkSnark", () => {
 */
         assert( zkSnark.isValid(setup.vk_verifier, proof, publicSignals));
     }).timeout(10000000);
-
+/*
     it("validate sha256_2", () => {
 
         const cirDef = JSON.parse(fs.readFileSync(path.join(__dirname, "circuit", "sha256_2.json"), "utf8"));
@@ -194,6 +194,6 @@ describe("zkSnark", () => {
         console.log("Start verifiying: "+ Date().toString());
         assert( zkSnark.isValid(setup.vk_verifier, proof, publicSignals));
     }).timeout(10000000);
-
+*/
 
 });