message: C++: mitigate the AWS KMS security issues disclosed in
diff: @@ -111,6 +111,7 @@ StatusOr<std::string> AwsKmsAead::Encrypt(
  StatusOr<std::string> AwsKmsAead::Decrypt(
  absl::string_view ciphertext, absl::string_view associated_data) const {
  Aws::KMS::Model::DecryptRequest req;
  + req.SetKeyId(key_arn_.c_str());
  Aws::Utils::ByteBuffer ciphertext_buffer(
  reinterpret_cast<const unsigned char*>(ciphertext.data()),
  ciphertext.length());
  