Merge branch 'dev-E2EE-2406' into 'master'

feat(E2EE-2406): add npm script to generate a libsodium crypto box keypair

See merge request TankerHQ/sdk-js!1032

.vscode/settings.json

@@ -1,6 +1,6 @@
 {
     "editor.codeActionsOnSave": {
-        "source.fixAll.eslint": true
+        "source.fixAll.eslint": "explicit"
     },
     "eslint.validate": [
         "javascript",

package.json

@@ -43,7 +43,8 @@
     "debug:errors": "karma start packages/errors/config/karma.config.debug.js",
     "debug:streams": "karma start packages/stream/config/karma.config.debug.js",
     "proof": "poetry install && poetry run python run-ci.py lint && npm run test",
-    "coverage": "nyc npm run test"
+    "coverage": "nyc npm run test",
+    "gen:keypair": "npm run build:crypto && node ./packages/crypto/dist/node/generate_keypair.js"
   },
   "devDependencies": {
     "@types/chai": "^4.3.4",

packages/crypto/src/generate_keypair.ts

@@ -0,0 +1,12 @@
+import sodium from 'libsodium-wrappers';
+import { toBase64 } from './utils';
+
+(async () => {
+  await sodium.ready;
+  const keypair = sodium.crypto_box_keypair();
+  const b64keypair = {
+    privateKey: toBase64(keypair.privateKey),
+    publicKey: toBase64(keypair.publicKey),
+  };
+  console.log(b64keypair); // eslint-disable-line no-console
+})();