Polyfills for native crypto

src/platform/polyfills.native.ts

@@ -0,0 +1,21 @@
+import {generateSecureRandom} from 'react-native-securerandom'
+import crypto from 'msrcrypto'
+import '@zxing/text-encoding' // TextEncoder / TextDecoder
+
+export const whenWebCrypto = new Promise(async (resolve, reject) => {
+  try {
+    const bytes = await generateSecureRandom(48)
+    crypto.initPrng(Array.from(bytes))
+
+    // @ts-ignore global.window exists -prf
+    if (!global.window.crypto) {
+      // @ts-ignore global.window exists -prf
+      global.window.crypto = crypto
+    }
+    resolve(true)
+  } catch (e: any) {
+    reject(e)
+  }
+})
+
+export const webcrypto = crypto

src/platform/polyfills.web.ts

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+// do nothing