crypt/include/Crypt.h

#ifndef Crypt_H
#define Crypt_H

#include <iostream>

class Crypt {
 public :
  Crypt();

  static std::string cesar( std::string sentance, int key, char start = 'a', char end = 'z' );
  static std::string vigenere( std::string sentance, std::string key, char start = 'a', char end = 'z' );
  static std::string atbash( std::string sentane, char start = 'a', char end = 'z' );

  static char replaceChar( char character, int key, char start = 'a', char end = 'z' );
  static char loopInString( std::string str, int key );
  static int alphabetIndex( char ch, char start = 'a', char end = 'z' );
  static bool isLetter( char ch, char start = 'a', char end = 'z' );
  
 private :
  
};

#endif