User:Jana Kamachi/Trash/Simple

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This is a very simple example showing how to secure some basic cross-object communication. The key to this is using a unique modifier. But the values have to be the same in each script!

Part 1

Stick into an object called "hash1"

integer COMMAND_CHANNEL = 0;
key     hash2_key       = "";

integer modifier        = 40505;


default
{
    state_entry()
    {
        llListen(COMMAND_CHANNEL,"hash2","","");
    }
    
    listen(integer p, string name, key id, string msg){
        if(msg == "key"){
            hash2_key = id;
            llSay(0,"master found: " + (string)id);
            llSay(COMMAND_CHANNEL,"9" + (string)(llGetUnixTime() + modifier));
        }
    }
}

Part 2

Stick this into an item called "hash2".

integer COMMAND_CHANNEL = 0;
integer MODIFIER        = 40505;

auth(integer x){
    integer t = llGetUnixTime() + MODIFIER;
    if(t - x < 3){
        llSay(0,"Confirmed, good hash.");
        return;
    }else{
        llSay(0,"Illegal Hash");   
    }
       
}

default
{
    state_entry()
    {
        llListen(COMMAND_CHANNEL,"hash1","","");
        llSay(COMMAND_CHANNEL,"key");
    }
    
    listen(integer c, string name, key id, string msg){
        if(llGetSubString(msg,0,0) == "9"){
            llSay(0,"Got Hash " + msg + ", auth...");   
            auth((integer)llGetSubString(msg,1,llStringLength(msg)));
        }   
    }
}