[Suggestion] How to cache more than 1 code on lockable objects

[Bjornadal]

Hi.

 

Is it possible to make the client remember more than 1 code on lockable objects ?

Only reason i could come up with to why it is not allready pressent, is that you could make a script that cache all codes, making it so that you could open all doors.

 

Solution to this problem would be to make a random "salt" on each lock that only the server would know, and then hash the salt+combination.

So when you open a lock, the server will provide this hash back to the client and the client will cache this hash for as long as they are logged in or alive.

 

Im no expert in dayz programming, but basically something like this:

 

1. Lock is created with a hash=sha256("key commbination"+salt) and stored on the server with the lock ID and salt.

2. hash is sent to the client and stored there with the ID of the lock.

3. player tries to open the lock, hash is sent to the server with the lock ID.

4. server verifies the hash and opens the lock.

 

Could even make it so that the player cache for this data could not extend X ammount of hashes to prevent someone making rainbowtables and bruteforcing the locks.

 

-- Daniel

[Bjornadal]

Just a sidenote: Bitcoins is built on allmost the same principle, so should be rather skiddie-safe :-)

[kaotix]

I agree with this in principal, although it makes the use of combo locks obsolete in some way.

Why not just use keys...instead of using a combination. share the keys with friends, option to lock/unlock always available.

it goes back to the time old, why not have a key belt...or a set of keys...or the same key for multiple locks.

the possibilities are endless!

[Bjornadal]

Danger with keys is that someone will have it when you die :-)

And you allso must be able to change the combination on the lock if you want. Now you can do this by removing and adding the lock again.

 

Also, how to get into the base if you lose your key ?