crypto.h

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#ifndef crypto_H_
#define crypto_H_
 
#include <string>
#include <vector>
#include <filesystem>
 
namespace fs = std::filesystem;
using std::string, std::vector, std::begin, std::exception;
 
namespace conscience_utils::crypto {
    
    class CryptoException : public exception {
    public:
        CryptoException(const string &message) throw()
            : message(message) {
        }
        const char *what() const throw() {
            return message.c_str();
        }
        const string getMessage() const {
            return message;
        }
 
    private:
        const string message;
    };
    vector<unsigned char>* encryptAES256CBC(const unsigned char *bytes, int bytesCount, const string &key, const string &iv);
    vector<unsigned char>* encryptAES256CBC(const string &plainText, const string &key, const string &iv);
    string decryptAES256CBC(const vector<unsigned char>& encryptedChars, string key, string iv);
 
    void generateAES256KeyAndIVFromPassword(const string &password, string &key, string &iv);
 
    vector<unsigned char>* encryptAES256CBCWithPassword(const string &plainText, const string &password);
    string decryptAES256CBCWithPassword(const vector<unsigned char>& encryptedChars, const string &password);
 
    string encodeBase64(const unsigned char *buffer, unsigned int bufferLen);
    vector<unsigned char>* decodeBase64(const string &);
 
    string hashFileMd5(const fs::path &filePath);
    string hashMd5(const string &input);
    string hashSha512(const string &input);
 
    string hashUniqueSimpleShift(const string &input);
}
 
#endif