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Unified Diff: components/os_crypt/key_storage_linux.h

Issue 1973483002: OSCrypt for POSIX uses libsecret to store a randomised encryption key. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Recommendations Created 4 years, 7 months ago
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Index: components/os_crypt/key_storage_linux.h
diff --git a/components/os_crypt/key_storage_linux.h b/components/os_crypt/key_storage_linux.h
new file mode 100644
index 0000000000000000000000000000000000000000..0f8449178b8f6fbdac2bad8285c863d339d31317
--- /dev/null
+++ b/components/os_crypt/key_storage_linux.h
@@ -0,0 +1,36 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_OS_CRYPT_KEY_STORAGE_LINUX_H_
+#define COMPONENTS_OS_CRYPT_KEY_STORAGE_LINUX_H_
+
+#include <memory>
+#include <string>
+
+#include "base/macros.h"
+
+// An API for retrieving OSCrypt's password from the system's password storage
+// service.
+class KeyStorageLinux {
+ public:
+ KeyStorageLinux() = default;
+ virtual ~KeyStorageLinux() = default;
+
+ // Tries to load all known key storages. Returns the first that succeeds or
+ // null if none succeed.
+ static std::unique_ptr<KeyStorageLinux> CreateService();
+
+ // Gets the encryption key from the OS password-managing library. If a key is
+ // not found, a new key will be generated, stored and returned.
+ virtual std::string GetKey() = 0;
+
+ protected:
+ // Loads the key storage. Returns false if the service is not available.
+ virtual bool Init() = 0;
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(KeyStorageLinux);
+};
+
+#endif // COMPONENTS_OS_CRYPT_KEY_STORAGE_LINUX_H_
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