Installation

yarn add expo-crypto

import { digest } from "expo-crypto";

// eslint-disable-next-line no-undef
const webCrypto = typeof crypto !== "undefined" ? crypto : new Crypto();
webCrypto.subtle = {
  digest: (algo, data) => {
    const buf = Buffer.from(data);
    return digest(algo, buf);
  },
};
(() => {
  if (typeof crypto === "undefined") {
    Object.defineProperty(window, "crypto", {
      configurable: true,
      enumerable: true,
      get: () => webCrypto,
    });
  }
})();

import "@walletconnect/react-native-compat";
import "./expo-crypto-shim.js";

yarn add react-native-quick-crypto react-native-quick-base64 stream-browserify @craftzdog/react-native-buffer babel-plugin-module-resolver

cd ios && pod install

import { AppRegistry } from "react-native";
import App from "./App";
import { name as appName } from "./app.json";
import crypto from "react-native-quick-crypto";

const polyfillDigest = async (algorithm, data) => {
  const algo = algorithm.replace("-", "").toLowerCase();
  const hash = crypto.createHash(algo);
  hash.update(data);
  return hash.digest();
};

globalThis.crypto = crypto;
globalThis.crypto.subtle = {
  digest: polyfillDigest,
};

AppRegistry.registerComponent(appName, () => App);

module.exports = {
  presets: ['module:metro-react-native-babel-preset'],
  plugins: [
   [
     'module-resolver',
     {
       alias: {
         'crypto': 'react-native-quick-crypto',
         'stream': 'stream-browserify',
         'buffer': '@craftzdog/react-native-buffer',
       },
     },
   ],
    ...
  ],
};