sealing-key.hpp

#pragma once
 
#include <vector>
#include <string>
#include <sodium.h>
#include "sodium-buffer.hpp"
#include "packaged-sealed-message.hpp"
 
class SealingKey {
public:
  static SealingKey fromJson(const std::string& sealingKeyAsJson);
  
  const std::vector<unsigned char> sealingKeyBytes;
  const std::string recipe;
 
  SealingKey(
    const std::vector<unsigned char>& sealingKeyBytes,
    const std::string& recipe
  );
 
  const std::string toJson(
    int indent = -1,
    const char indent_char = ' '
  ) const;
  
  static const std::vector<unsigned char> sealToCiphertextOnly(
    const SodiumBuffer& message,
    const std::vector<unsigned char>& sealingKeyBytes,
    const std::string& unsealingInstructions = {}
  );
 
  static const std::vector<unsigned char> sealToCiphertextOnly(
    const unsigned char* message,
    const size_t messageLength,
    const std::vector<unsigned char> &sealingKeyBytes,
    const std::string& unsealingInstructions = {}
  );
 
  const std::vector<unsigned char> sealToCiphertextOnly(
    const unsigned char* message,
    const size_t messageLength,
    const std::string& unsealingInstructions = {}
  ) const;
 
  const std::vector<unsigned char> sealToCiphertextOnly(
    const SodiumBuffer &message,
    const std::string& unsealingInstructions = {}
  ) const;
 
 
  const PackagedSealedMessage seal(
    const SodiumBuffer& message,
    const std::string& unsealingInstructions
  ) const;
 
  const PackagedSealedMessage seal(
    const std::vector<unsigned char>& message,
    const std::string& unsealingInstructions = ""
  ) const;
 
 
 
  const PackagedSealedMessage seal(
    const std::string& message,
    const std::string& unsealingInstructions = {}
  ) const;
 
 
  const PackagedSealedMessage seal(
    const unsigned char* message,
    const size_t messageLength,
    const std::string& unsealingInstructions
  ) const;
 
  const std::vector<unsigned char> getSealingKeyBytes() const;
 
  const std::string getRecipeJson() const {
    return recipe; 
  }
 
  const SodiumBuffer toSerializedBinaryForm() const;
 
  static SealingKey fromSerializedBinaryForm(const SodiumBuffer &serializedBinaryForm);
 
};