1 files changed, 70 insertions, 0 deletions
diff --git a/protocols/Telegram/tdlib/td/test/secure_storage.cpp b/protocols/Telegram/tdlib/td/test/secure_storage.cpp
new file mode 100644
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--- /dev/null
+++ b/protocols/Telegram/tdlib/td/test/secure_storage.cpp
@@ -0,0 +1,70 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#include "td/telegram/SecureStorage.h"
+
+#include "td/utils/buffer.h"
+#include "td/utils/filesystem.h"
+#include "td/utils/port/path.h"
+#include "td/utils/SliceBuilder.h"
+#include "td/utils/tests.h"
+
+TEST(SecureStorage, secret) {
+  auto secret = td::secure_storage::Secret::create_new();
+  td::string key = "cucumber";
+  auto encrypted_secret = secret.encrypt(key, "", td::secure_storage::EnryptionAlgorithm::Sha512);
+  ASSERT_TRUE(encrypted_secret.as_slice() != secret.as_slice());
+  auto decrypted_secret = encrypted_secret.decrypt(key, "", td::secure_storage::EnryptionAlgorithm::Sha512).ok();
+  ASSERT_TRUE(secret.as_slice() == decrypted_secret.as_slice());
+  ASSERT_TRUE(encrypted_secret.decrypt("notcucumber", "", td::secure_storage::EnryptionAlgorithm::Sha512).is_error());
+}
+
+TEST(SecureStorage, simple) {
+  td::BufferSlice value("Small tale about cucumbers");
+  auto value_secret = td::secure_storage::Secret::create_new();
+
+  {
+    td::secure_storage::BufferSliceDataView value_view(value.copy());
+    td::BufferSlice prefix = td::secure_storage::gen_random_prefix(value_view.size());
+    td::secure_storage::BufferSliceDataView prefix_view(std::move(prefix));
+    td::secure_storage::ConcatDataView full_value_view(prefix_view, value_view);
+    auto hash = td::secure_storage::calc_value_hash(full_value_view).move_as_ok();
+
+    td::secure_storage::Encryptor encryptor(
+        td::secure_storage::calc_aes_cbc_state_sha512(PSLICE() << value_secret.as_slice() << hash.as_slice()),
+        full_value_view);
+    auto encrypted_value = encryptor.pread(0, encryptor.size()).move_as_ok();
+
+    td::secure_storage::Decryptor decryptor(
+        td::secure_storage::calc_aes_cbc_state_sha512(PSLICE() << value_secret.as_slice() << hash.as_slice()));
+    auto res = decryptor.append(encrypted_value.copy()).move_as_ok();
+    auto decrypted_hash = decryptor.finish().ok();
+    ASSERT_TRUE(decrypted_hash.as_slice() == hash.as_slice());
+    ASSERT_TRUE(res.as_slice() == value.as_slice());
+  }
+
+  {
+    auto encrypted_value = td::secure_storage::encrypt_value(value_secret, value.as_slice()).move_as_ok();
+    auto decrypted_value =
+        td::secure_storage::decrypt_value(value_secret, encrypted_value.hash, encrypted_value.data.as_slice())
+            .move_as_ok();
+    ASSERT_TRUE(decrypted_value.as_slice() == value.as_slice());
+  }
+
+  {
+    td::string value_path = "value.txt";
+    td::string encrypted_path = "encrypted.txt";
+    td::string decrypted_path = "decrypted.txt";
+    td::unlink(value_path).ignore();
+    td::unlink(encrypted_path).ignore();
+    td::unlink(decrypted_path).ignore();
+    td::string file_value(100000, 'a');
+    td::write_file(value_path, file_value).ensure();
+    auto hash = td::secure_storage::encrypt_file(value_secret, value_path, encrypted_path).move_as_ok();
+    td::secure_storage::decrypt_file(value_secret, hash, encrypted_path, decrypted_path).ensure();
+    ASSERT_TRUE(td::read_file(decrypted_path).move_as_ok().as_slice() == file_value);
+  }
+}