Rotational XOR Encryption

#define rotateRight(a) __asm ror a, 1
#define rotateLeft(a)	 __asm rol a, 1
enum rotDir{
	ROT_LEFT,
	ROT_RIGHT
};
char* xor(char* str, int key){
	int len = strlen(str);
	char* x = new char[len];
	for(int i = 0; i < len; ++i)
		x[i] = str[i]^key;
	x[len] = 0;
	return x;
}
char* rotEachChar(char* str_, rotDir ROTDIR){
	int len = strlen(str_);
	char* x = new char[len];
	char cur;
	if(ROTDIR==ROT_LEFT){
		for(int i = 0; i < len; ++i)
		{
			cur = str_[i];
			rotateLeft(cur)
			x[i] = cur;
		}
	}
	else if (ROTDIR == ROT_RIGHT)
	{
		for(int i = 0; i < len; ++i)
		{
			cur = str_[i];
			rotateRight(cur)
			x[i] = cur;
		}
	}
	else 
		return "******s";
	x[len] = 0;
	return x;
}
char* addEach(char* str){
		int len = strlen(str);
		char* x = new char[len];
		for(int i = 0; i < len; ++i)
			x[i] = str[i] + i;
		x[len] = 0;
		return x;
}
char* subEach(char* str){
		int len = strlen(str);
		char* x = new char[len];
		for(int i = 0; i < len; ++i)
			x[i] = str[i] - i;
		x[len] = 0;
		return x;
}
char* encrypt(char* text, int key){
	return addEach(rotEachChar(xor(text,key),ROT_RIGHT));
}
char* decrypt(char* text, int key){
	return xor(rotEachChar(subEach(text),ROT_LEFT),key);
}

encrypt() and decrypt() are the only methods you should be calling, the others are used only to perform each individual step.

	char* x = encrypt("HURR DURR IM AN PIZZA",13);
	char* y = decrypt(x,13);
	cout << "HURR DURR IM AN PIZZA"<<endl << x << endl << y;