encryptBulk method Null safety

Future<Map<String, Uint8List>> encryptBulk(
  1. RsaPublicKey key,
  2. Map<String, Uint8List> req
)

Implementation

static Future<Map<String, Uint8List>> encryptBulk(
    RsaPublicKey key, Map<String, Uint8List> req) {
  Map<String, String> q =
      req.map((key, value) => MapEntry(key, base64.encode(value)));
  q['CRYPTORSAPUBLICKEY'] = key.encode();
  return compute((Map<String, String> q) {
    RsaPublicKey aes = RsaPublicKey.decode(q.remove('CRYPTORSAPUBLICKEY')!);
    return q.map(
        (key, value) => MapEntry(key, encrypt(aes, base64.decode(value))));
  }, q)
      .then((rsp) => rsp);
}