aes_context.h 2.9 KB

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  1. /**************************************************************************/
  2. /* aes_context.h */
  3. /**************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* https://godotengine.org */
  7. /**************************************************************************/
  8. /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
  9. /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
  10. /* */
  11. /* Permission is hereby granted, free of charge, to any person obtaining */
  12. /* a copy of this software and associated documentation files (the */
  13. /* "Software"), to deal in the Software without restriction, including */
  14. /* without limitation the rights to use, copy, modify, merge, publish, */
  15. /* distribute, sublicense, and/or sell copies of the Software, and to */
  16. /* permit persons to whom the Software is furnished to do so, subject to */
  17. /* the following conditions: */
  18. /* */
  19. /* The above copyright notice and this permission notice shall be */
  20. /* included in all copies or substantial portions of the Software. */
  21. /* */
  22. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  23. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  24. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
  25. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  26. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  27. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  28. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  29. /**************************************************************************/
  30. #ifndef AES_CONTEXT_H
  31. #define AES_CONTEXT_H
  32. #include "core/crypto/crypto_core.h"
  33. #include "core/object/ref_counted.h"
  34. class AESContext : public RefCounted {
  35. GDCLASS(AESContext, RefCounted);
  36. public:
  37. enum Mode {
  38. MODE_ECB_ENCRYPT,
  39. MODE_ECB_DECRYPT,
  40. MODE_CBC_ENCRYPT,
  41. MODE_CBC_DECRYPT,
  42. MODE_MAX
  43. };
  44. private:
  45. Mode mode = MODE_MAX;
  46. CryptoCore::AESContext ctx;
  47. PackedByteArray iv;
  48. protected:
  49. static void _bind_methods();
  50. public:
  51. Error start(Mode p_mode, const PackedByteArray &p_key, const PackedByteArray &p_iv = PackedByteArray());
  52. PackedByteArray update(const PackedByteArray &p_src);
  53. PackedByteArray get_iv_state();
  54. void finish();
  55. AESContext();
  56. };
  57. VARIANT_ENUM_CAST(AESContext::Mode);
  58. #endif // AES_CONTEXT_H