Anyone know what this means?

This is a discussion on Anyone know what this means? within the C++ Programming forums, part of the General Programming Boards category; i found this encryption code online but i'm not as advanced as the code is so can someone explain to ...

  1. #1
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    Question Anyone know what this means?

    i found this encryption code online but i'm not as advanced as the code is so can someone explain to me what is going on in this section. i have included the part of the code i didn't understand.

    code-

    void decrypt(char *daf)//the decrypting function
    {
    int decr; //the main int
    char x; //the input char

    ifstream in; //input stream
    ofstream out; //output stream

    in.open(daf);//open the inout stream
    if(in.fail())
    {//see if it's not there
    cout<<"Error couldn't open the IN file\n";//print
    cout<<"Press \"m\" to return to main menu";
    return;//quit
    }//END OF IF

    cout<<"Enter the OUT file name: ";//ask for the out filename
    cin>>daf;//get it
    out.open(daf);//open the outfile
    in.get(x);//get the input char

    if( in.eof() )//IF READING END OF FILE
    {
    return;//quit
    }//END OF IF

    while(x!=EOF)
    {//while x is not beyond end of file
    decr=x+0xFACA;//the dectypring
    out<<(char)decr;//print
    in.get(x);//get the next char

    if(in.eof())//if read beyong the eon of file
    break;//break
    }//END OF WHILE

    return;
    }//END OF DECRYPT

    i don't understand what the line decr=x+0xFACA means. when i typed the 0xFACA into my program it turned into a special font. not the font of a reserved word, just a different font from the other text. the encryption function is the same as the above line except it says x-0xFACA. any help would be appreciated.

    thanks all

  2. #2
    I am the worst best coder Quantrizi's Avatar
    Join Date
    Mar 2002
    Posts
    644
    1. Use the code tags when posting code......as everyone says around here......it's very hard to read code when it's not code, just a bunch of letters*not all of that, but use the friggin' code tags*

    2. The little 0xfca or whatever is a charecter identifier in hexidemal. Don't bother typing that in......

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