fs_ofdsecurity.h

#ifndef FS_OFD_SECURITY_H_
#define FS_OFD_SECURITY_H_

#include "common/fs_common.h"
#include "ofd/fs_ofddoc.h"

namespace foxit {
namespace ofd {
class SecurityCallback {
 public:
  virtual ~SecurityCallback() {}

  virtual bool IsEncrypted(const void* src_buf, foxit::uint32 src_size) = 0;

  virtual String GetCryptoType() = 0;

  virtual bool EncryptData(const void* src_buf, foxit::uint32 src_size, void* dest_buf, foxit::uint32& dest_size) = 0;

  virtual bool DecryptData(const void* src_buf, foxit::uint32 src_size, void* dest_buf, foxit::uint32& dest_size) = 0;

  virtual void* EncryptStart() = 0;

  virtual bool EncryptFinish(void* context, foxit::common::file::StreamCallback* input_callback, foxit::common::file::StreamCallback* output_callback) = 0;

  virtual void* DecryptStart() = 0;

  virtual bool DecryptFinish(void* context, foxit::common::file::StreamCallback* input_callback, foxit::common::file::StreamCallback* output_callback) = 0;
};

class OFDSecurity FS_FINAL : public Base {
 public:
  static void RegisterHandler(const String& security_type, const String& crypto_type, int key_length, SecurityCallback* security_callback);

  static void UnregisterHandler(const String& security_type, const String& crypto_type, int key_length);
};

}  // namespace ofd
}  // namespace foxit

#endif  // FS_OFD_SECURITY_H_