1 files changed, 58 insertions, 0 deletions
diff --git a/dom/quota/DummyCipherStrategy.h b/dom/quota/DummyCipherStrategy.h
new file mode 100644
index 0000000000..99f60a5c6e
--- /dev/null
+++ b/dom/quota/DummyCipherStrategy.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_quota_DummyCipherStrategy_h
+#define mozilla_dom_quota_DummyCipherStrategy_h
+
+#include <algorithm>
+#include <array>
+#include <cstddef>
+#include <cstdint>
+#include <utility>
+#include "ErrorList.h"
+#include "mozilla/Result.h"
+#include "mozilla/Span.h"
+#include "mozilla/dom/quota/CipherStrategy.h"
+
+namespace mozilla::dom::quota {
+
+struct DummyCipherStrategy {
+  struct KeyType {};
+
+  static constexpr size_t BlockPrefixLength = 8;
+  static constexpr size_t BasicBlockSize = 4;
+
+  static void DummyTransform(Span<const uint8_t> aIn, Span<uint8_t> aOut) {
+    std::transform(aIn.cbegin(), aIn.cend(), aOut.begin(),
+                   [](const uint8_t byte) { return byte ^ 42; });
+  }
+
+  static Result<KeyType, nsresult> GenerateKey() { return KeyType{}; }
+
+  nsresult Init(CipherMode aCipherMode, Span<const uint8_t> aKey,
+                Span<const uint8_t> aInitialIv = Span<const uint8_t>{}) {
+    return NS_OK;
+  }
+
+  nsresult Cipher(Span<uint8_t> aIv, Span<const uint8_t> aIn,
+                  Span<uint8_t> aOut) {
+    DummyTransform(aIn, aOut);
+    return NS_OK;
+  }
+
+  static std::array<uint8_t, BlockPrefixLength> MakeBlockPrefix() {
+    return {{42, 43, 44, 45}};
+  }
+
+  static Span<const uint8_t> SerializeKey(const KeyType&) { return {}; }
+
+  static Maybe<KeyType> DeserializeKey(const Span<const uint8_t>&) {
+    return Some(KeyType{});
+  }
+};
+}  // namespace mozilla::dom::quota
+
+#endif