secure connection works

src/globals.js

@@ -23,8 +23,38 @@ export async function verify(signed, pk) {
     await _sodium.ready;
     sodium = _sodium;
   }
-  pk = sodium.from_base64(pk, sodium.base64_variants.ORIGINAL);
+  if (typeof pk == 'string') {
+    pk = decodeBase64(pk);
+  }
   return sodium.crypto_sign_open(signed, pk);
 }
 
+export function decodeBase64(pk) {
+  return sodium.from_base64(pk, sodium.base64_variants.ORIGINAL);
+}
+
+export function genBoxKeyPair() {
+  const pair = sodium.crypto_box_keypair();
+  const sk = pair.privateKey;
+  const pk = pair.publicKey;
+  return [sk, pk];
+}
+
+export function genSecretKey() {
+  return sodium.crypto_secretbox_keygen();
+}
+
+export function seal(unsigned, theirPk, ourSk) {
+  const nonce = Uint8Array.from(Array(24).fill(0));
+  return sodium.crypto_box_easy(unsigned, nonce, theirPk, ourSk);
+}
+
+export function encrypt(unsigned, nonce, key) {
+  return sodium.crypto_secretbox_easy(unsigned, nonce, key);
+}
+
+export function decrypt(signed, nonce, key) {
+  return sodium.crypto_secretbox_open_easy(signed, nonce, key);
+}
+
 window.startConn = startConn;