You can't check if a key is used or not. It will just say you own the game, not if it's valid or duplicate. Stop saying you can check keys or eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelse

i make you suffer
1 decade ago*

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Yep. Nothing new at all.

1 decade ago
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The issue came up again and i'm so angry i would kill.

1 decade ago
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I thought you knew this, lord gaben

1 decade ago
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i did

1 decade ago
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By what issue was this epiphany given cause to arise?

1 decade ago
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1 decade ago
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Misinformation, especially that of malicious intent, is indeed aggravating.

1 decade ago
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MrBacon stop spamming the forum.
1 decade ago
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nath2000wild stop writing in bold.

1 decade ago
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MrBacon stop spamming and stop writing in italic.

1 decade ago
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How am I spamming?

1 decade ago
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Magic!

1 decade ago
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By that logic you are also spamming.

1 decade ago
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Not really....

1 decade ago
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Let's decide that every comment here is a spam and not spam.

1 decade ago
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So... you mad?

1 decade ago
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You can only tell what the key is for

1 decade ago
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Ok i will be the one who says it, if someone has a key that needs checking post it here

1 decade ago
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d0Y0U-w4nTS-kYr1M

1 decade ago
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Thanks for Skyrim!

1 decade ago
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Steam must make a "Key Tester" or something like that... where you can know everything about that key.
Game, Used, Valid, etc....

1 decade ago
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And we will have people trying to brute force keys. I don't think Valve would let that.

1 decade ago
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They can brute force even now, but they don't know what they can get.

1 decade ago
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The problem being that after a few (5?) incorrect attempts, the system locks you out for a time (15 minutes?). I've done it once accidentally when someone tried to give me a key they hand-typed instead of copied. When I realized what happen I went over and got the key from their computer myself.

1 decade ago
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Something to detect people trying random "keys" over and over again and ban em' from "Key Tester" system.

1 decade ago
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Are you serious... keys are alphanumeric.
That means there are 221073919720733357899776 (36^15) possible steam codes.
You have no way to know which have been assigned at all, used, etc - plus you don't know what they would be for.

You gonna brute force that?

(By the way, if you were able to try 1000000 keys per hour, it would still take you 25236 BILLION years to try them all. Have fun!)

1 decade ago
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how did you get this number?

did you factor in that there are different key formats?
there are even keys without dashes (GT legends) or 3-3-3 keys (SMNC early access)

1 decade ago
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Well then there are even more keys :P

The number is alphanumeric probability: 36 (alphabet + 0-9) to the power of 15 (length of code).

1 decade ago
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You don't have to try them all, as there is more than 1 key available. One guy can spend an eternity trying keys, but millions of users with automated tools could be problematic.

1 decade ago
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Did you miss the part that trying them all would take 25236 billion years? If you had every person on earth (7 billion) try 1 million keys per hour, it would take 3605 Billion years to scan them all.
This is assuming BILLIONS of users, and that they could somehow try a million keys every hour, 24/7.

With this logic, why not just brute force credit card numbers? CCs have much less variation since they are numeric rather than alphanumeric. Also, a valid CC is more valuable than a random Steam key.

The reason thieves use phishing rather than brute force is because there are just too many possibilities. Even CCs that have the standard 16 digits + 3 digits on the back would have 6131066257801 different possibilities. It would take almost a millennial to scan them all (again, at 1 million per hour - which is likely impossible).

1 decade ago
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send a support ticket to steam :)

1 decade ago
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I find it a bit stupid that steam hasn't implemented a way of checking if a key was used or not. another issue is converting keys to gifts... meh...

1 decade ago
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Well, sometimes it doesn't say you own the game. Sometimes it simply says you activated the game (even when you have it), and makes the key unusable.

I saw it happen to my brother

1 decade ago
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different versions of the same game.

1 decade ago
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nope it happened to me.. owned the game wanted to see if it was really the key for that and it registered it again.. without giving me anything.

1 decade ago
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nope nope nope

1 decade ago
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If Steam had that feature everyone would bot the shit out of Steam so you can end up having a ton of random generated keys that other people have bought. Don't say it is impossible, if you get the calculations right you might get some keys :P

1 decade ago
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That's why it locks you out after 3 incorrect or duplicate attempts.

1 decade ago
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Read my post a few posts up about probabilities of success with brute force.

1 decade ago
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Closed 1 decade ago by MrBacon.