@iden3/js-jwz/dist/node/cjs/authGroth16.js

JS implementation of JWZ

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.provingMethodGroth16AuthInstance = void 0;
const proving_1 = require("./proving");
const js_iden3_core_1 = require("@iden3/js-iden3-core");
const common_1 = require("./common");
// ProvingMethodGroth16Auth defines proofs family and specific circuit
class ProvingMethodGroth16Auth {
    constructor(methodAlg) {
        this.methodAlg = methodAlg;
    }
    get alg() {
        return this.methodAlg.alg;
    }
    get circuitId() {
        return this.methodAlg.circuitId;
    }
    unmarshall(pubsignals) {
        const outputs = {};
        if (pubsignals.length != 3) {
            throw new Error(`invalid number of Output values expected ${3} got ${pubsignals.length}`);
        }
        outputs.challenge = BigInt(pubsignals[0]);
        outputs.userState = BigInt(pubsignals[1]);
        outputs.userId = js_iden3_core_1.Id.fromBigInt(BigInt(pubsignals[2]));
        return outputs;
    }
    async verify(messageHash, proof, verificationKey) {
        return (0, common_1.verify)(messageHash, proof, verificationKey, this.unmarshall);
    }
    prove(inputs, provingKey, wasm) {
        return (0, common_1.prove)(inputs, provingKey, wasm);
    }
}
exports.provingMethodGroth16AuthInstance = new ProvingMethodGroth16Auth(new proving_1.ProvingMethodAlg(common_1.Groth16, common_1.AuthCircuit));