Program Listing for File PDJE_Crypto.hpp

↰ Return to documentation for file (include/global/Crypto/PDJE_Crypto.hpp)

#pragma once
#include "PDJE_LOG_SETTER.hpp"
#include <botan/auto_rng.h>
#include <botan/cipher_mode.h>
#include <botan/hash.h>
#include <filesystem>
#include <string>
namespace PDJE_CRYPTO {
namespace fs = std::filesystem;
class Hash {
  private:
    std::unique_ptr<Botan::HashFunction> hashEngine;

  public:
    Hash();
    ~Hash() = default;
    std::string
    TextHash(const std::string &txt);
    std::string
    FileHash(const fs::path &fp);
};

class PSK {
  public:
    std::vector<uint8_t> psk;
    bool
    Gen(const std::string &algo = "AES-256/GCM");

    PSK();
    ~PSK() = default;
    std::string
    Encode();
    bool
    Decode(const std::string &hex);
};

class AEAD {
  private:
    Botan::AutoSeeded_RNG               rng;
    std::unique_ptr<Botan::Cipher_Mode> enc;
    std::unique_ptr<Botan::Cipher_Mode> dec;

  public:
    std::string
    Encrypt(std::string &noncestr, const std::string &plaintxt);
    std::string
    Decrypt(const std::string &nonce, const std::string &hexenc);

    std::string
    EncryptAndPack(const std::string &plaintxt);
    std::string
    UnpackAndDecrypt(const std::string &aead_json);

    AEAD(PSK &key, const std::string &algo = "AES-256/GCM");
    ~AEAD() = default;
};

}; // namespace PDJE_CRYPTO