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Author Topic: Gavin will visit the CIA  (Read 148949 times)
MoonShadow
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August 06, 2012, 01:45:33 PM
 #541

There is no master key. That would make it all worthless.
The "master key" in this case is the key that is used to sign messages that get broadcast to all nodes, for instance to warn of a security vulnerability. As far as I know, that particular key isn't used for anything else, but I'm not sure of that.

There is no such of that kind of master key, either.  That was only a proposal discussed a couple years ago that never went anywhere.

"The powers of financial capitalism had another far-reaching aim, nothing less than to create a world system of financial control in private hands able to dominate the political system of each country and the economy of the world as a whole. This system was to be controlled in a feudalist fashion by the central banks of the world acting in concert, by secret agreements arrived at in frequent meetings and conferences. The apex of the systems was to be the Bank for International Settlements in Basel, Switzerland, a private bank owned and controlled by the world's central banks which were themselves private corporations. Each central bank...sought to dominate its government by its ability to control Treasury loans, to manipulate foreign exchanges, to influence the level of economic activity in the country, and to influence cooperative politicians by subsequent economic rewards in the business world."

- Carroll Quigley, CFR member, mentor to Bill Clinton, from 'Tragedy And Hope'
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Gabi
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August 06, 2012, 02:09:49 PM
 #542

As far as i know the "master key" is only for messages. Anyway, the client is opensource so it's not like they can hide a code that will let someone control everyone  Cheesy
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August 06, 2012, 02:14:19 PM
 #543

As far as i know the "master key" is only for messages. Anyway, the client is opensource so it's not like they can hide a code that will let someone control everyone  Cheesy

I bet anyone revises the source code.
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August 06, 2012, 02:16:27 PM
 #544

As far as i know the "master key" is only for messages. Anyway, the client is opensource so it's not like they can hide a code that will let someone control everyone  Cheesy


That is the power of FOSS. Those who have large investments in bitccoin can revive it on their own to maintain their investment. The rest of the users profit as well from the open source design.
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August 06, 2012, 02:26:08 PM
 #545

There is no master key. That would make it all worthless.
The "master key" in this case is the key that is used to sign messages that get broadcast to all nodes, for instance to warn of a security vulnerability. As far as I know, that particular key isn't used for anything else, but I'm not sure of that.

There is no such of that kind of master key, either.  That was only a proposal discussed a couple years ago that never went anywhere.
It's been used several times. If you install an old client, you will see a warning at the bottom that says that it is insecure and needs to be updated. That warning message is actually stored in the blockchain.

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kentrolla
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August 06, 2012, 03:00:33 PM
 #546

so if gavin gave the CIA that key. then the cia could corrupt the blockchain whenever they want? or at least make a malicious bitcoin client "update"

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August 06, 2012, 03:03:36 PM
 #547

so if gavin gave the CIA that key. then the cia could corrupt the blockchain whenever they want? or at least make a malicious bitcoin client "update"
The functionality is just for messaging, it can't force an update or anything like that. Worst that I think could happen is they send a message that shows at the bottom of the client window that says the client needs to be upgraded because of a security problem. But then, they would also have to create a bogus update, get it signed with a DIFFERENT key that is used for software releases, and upload it to github/sourceforge without being detected. It would be difficult and complicated to pull off.

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August 06, 2012, 03:06:49 PM
 #548

so if gavin gave the CIA that key. then the cia could corrupt the blockchain whenever they want? or at least make a malicious bitcoin client "update"
The functionality is just for messaging, it can't force an update or anything like that. Worst that I think could happen is they send a message that shows at the bottom of the client window that says the client needs to be upgraded because of a security problem. But then, they would also have to create a bogus update, get it signed with a DIFFERENT key that is used for software releases, and upload it to github/sourceforge without being detected. It would be difficult and complicated to pull off.

No need in such complicated actions. Bitcoin clients/services could be easily DDoSed.
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August 06, 2012, 03:07:08 PM
 #549

There is no such of that kind of master key, either.  That was only a proposal discussed a couple years ago that never went anywhere.
...
mobile4ever
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August 06, 2012, 08:11:12 PM
 #550

so if gavin gave the CIA that key. then the cia could corrupt the blockchain whenever they want? or at least make a malicious bitcoin client "update"

Here is hoping he shows up and answers this... Huh
Pieter Wuille
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August 06, 2012, 08:26:11 PM
 #551

so if gavin gave the CIA that key. then the cia could corrupt the blockchain whenever they want? or at least make a malicious bitcoin client "update"

No. The only thing that this key can do is signing an alert message that propagates through the network.

Satoshi, Gavin and theymos have this key, IIRC.

aka sipa, core dev team

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Dusty
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August 06, 2012, 08:55:01 PM
 #552

It's been used several times. If you install an old client, you will see a warning at the bottom that says that it is insecure and needs to be updated. That warning message is actually stored in the blockchain.
No, it's not. It's an alert message that is being broadcast into the network.
Each client can decide if/how show it.
Also, in principle, different clients could use different signing keys.

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August 06, 2012, 09:28:07 PM
 #553

It's been used several times. If you install an old client, you will see a warning at the bottom that says that it is insecure and needs to be updated. That warning message is actually stored in the blockchain.
No, it's not. It's an alert message that is being broadcast into the network.
Each client can decide if/how show it.
Also, in principle, different clients could use different signing keys.
OK, thanks for helping me to understand about the propagation part of it. So what you are saying is that such messages are being shuffled around in limbo via the P2P network, but don't touch the blockchain ever?

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Pieter Wuille
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August 06, 2012, 09:28:41 PM
 #554

OK, thanks for helping me to understand about the propagation part of it. So what you are saying is that such messages are being shuffled around in limbo via the P2P network, but don't touch the blockchain ever?

Exactly.

aka sipa, core dev team

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kentrolla
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August 07, 2012, 06:50:40 AM
 #555

ok so just 1 yes/no question:
Is it possible that Gavin gave the CIA a method to shutdown Bitcoin?

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August 07, 2012, 08:17:27 AM
 #556

ok so just 1 yes/no question:
Is it possible that Gavin gave the CIA a method to shutdown Bitcoin?

No
RodeoX
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August 07, 2012, 02:59:49 PM
 #557

ok so just 1 yes/no question:
Is it possible that Gavin gave the CIA a method to shutdown Bitcoin?
No. And what "method" are we talking about, because I know of no such method.

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julz
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August 08, 2012, 02:42:43 AM
 #558

ok so just 1 yes/no question:
Is it possible that Gavin gave the CIA a method to shutdown Bitcoin?

Yes - if Gavin has been consorting with Harry Potter recently (I see no evidence he hasn't).

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August 08, 2012, 10:25:11 AM
 #559

ok so just 1 yes/no question:
Is it possible that Gavin gave the CIA a method to shutdown Bitcoin?

There is no easy method of shutting down Bitcoin.
This thread is going nuts...

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August 08, 2012, 10:37:07 AM
 #560

The cia is more likely to use bitcoin than destroy it. There is nothing better to pay spies with overseas  Smiley

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