cryptoSecretstreamXchacha20poly1305InitPush static method

InitPushResult cryptoSecretstreamXchacha20poly1305InitPush(Uint8List key)

Implementation

static InitPushResult cryptoSecretstreamXchacha20poly1305InitPush(
    Uint8List key) {
  RangeError.checkValueInInterval(
      key.length,
      cryptoSecretstreamXchacha20poly1305Keybytes,
      cryptoSecretstreamXchacha20poly1305Keybytes,
      'key',
      'Invalid length');

  final _state = calloc<Uint8>(cryptoSecretstreamXchacha20poly1305Statebytes);
  final _header =
      calloc<Uint8>(cryptoSecretstreamXchacha20poly1305Headerbytes);
  final _k = key.toPointer();

  try {
    _cryptoSecretStream
        .crypto_secretstream_xchacha20poly1305_init_push(_state, _header, _k)
        .mustSucceed('crypto_secretstream_xchacha20poly1305_init_push');

    return InitPushResult(
        state: _state,
        header:
            _header.toList(cryptoSecretstreamXchacha20poly1305Headerbytes));
  } finally {
    calloc.free(_header);
    calloc.free(_k);
  }
}