text: /*************************************************************************/
  /*  crypto.h                                                             */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #ifndef CRYPTO_H
  #define CRYPTO_H
  
  #include "core/reference.h"
  #include "core/resource.h"
  
  #include "core/io/resource_loader.h"
  #include "core/io/resource_saver.h"
  
  class CryptoKey : public Resource {
  	GDCLASS(CryptoKey, Resource);
  
  protected:
  	static void _bind_methods();
  	static CryptoKey *(*_create)();
  
  public:
  	static CryptoKey *create();
  	virtual Error load(String p_path) = 0;
  	virtual Error save(String p_path) = 0;
  };
  
  class X509Certificate : public Resource {
  	GDCLASS(X509Certificate, Resource);
  
  protected:
  	static void _bind_methods();
  	static X509Certificate *(*_create)();
  
  public:
  	static X509Certificate *create();
  	virtual Error load(String p_path) = 0;
  	virtual Error load_from_memory(const uint8_t *p_buffer, int p_len) = 0;
  	virtual Error save(String p_path) = 0;
  };
  
  class Crypto : public Reference {
  	GDCLASS(Crypto, Reference);
  
  protected:
  	static void _bind_methods();
  	static Crypto *(*_create)();
  	static void (*_load_default_certificates)(String p_path);
  
  public:
  	static Crypto *create();
  	static void load_default_certificates(String p_path);
  
  	virtual PoolByteArray generate_random_bytes(int p_bytes);
  	virtual Ref<CryptoKey> generate_rsa(int p_bytes);
  	virtual Ref<X509Certificate> generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after);
  
  	Crypto();
  };
  
  class ResourceFormatLoaderCrypto : public ResourceFormatLoader {
  public:
  	virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
  	virtual void get_recognized_extensions(List<String> *p_extensions) const;
  	virtual bool handles_type(const String &p_type) const;
  	virtual String get_resource_type(const String &p_path) const;
  };
  
  class ResourceFormatSaverCrypto : public ResourceFormatSaver {
  public:
  	virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
  	virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const;
  	virtual bool recognize(const RES &p_resource) const;
  };
  
  #endif // CRYPTO_H
  