Is this a valid xor encryption function?
Code:#include <iostream>
#include <string>
using namespace std;
void xorEncrypt(string& str, string key)
{
int strLen = str.length() - 1;
for(int x=0; x <= strLen; x++)
{
str[x] = str[x]^key[x];
}
}
int main()
{
string key = "key";
string text="This my text...";
xorEncrypt(text,key);
cout<<text<<endl;
xorEncrypt(text,key);
cout<<text<<endl;
}