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Author Topic: interesting number I found. I don't know what the text it produces means!  (Read 3361 times)

Offline Zell

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interesting number I found. I don't know what the text it produces means!
« on: December 15, 2006, 08:04:32 PM »
I was at the mall today and I bought something with my debit card.  Well, the lady swiped my card and the little debit card reader said "Dialing 1877*******...Receiving...receiving...Authcode00197.  Well, I love seeing what kind of data goes through things like that and do not have any intention of causing damage to it (I am just a curious person; I like to just observe data transferred through the phone), so I wrote the number down and dialed into it through Hyperterminal.  It would give me some modem noises, connect, pause for about 5 seconds, produce some garbled text, and then disconnect.  I thought it might be the speed, so I tried all different speeds and each one produced a different type of garbled text, and then disconnected me.  I really want to read what the server on the other end is trying to tell me.  Any ideas?

And if it's OK to post the number, just tell me and I will.  You can't type or do anything to it because it just gives you data and disconnects you.
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Offline silentneep

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Re: interesting number I found. I don't know what the text it produces means!
« Reply #1 on: December 16, 2006, 06:36:53 AM »
I'd rather see the garbled text than the number.
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Offline rbcp

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Re: interesting number I found. I don't know what the text it produces means!
« Reply #2 on: December 16, 2006, 09:44:58 AM »
Wouldn't there be some kind of encryption involved with credit card transactions?
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Offline frog

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Re: interesting number I found. I don't know what the text it produces means!
« Reply #3 on: December 16, 2006, 09:49:37 AM »
Quote from: rbcp on December 16, 2006, 09:44:58 AM
Wouldn't there be some kind of encryption involved with credit card transactions?

No, they did away with that back in the '60s.
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Offline Zell

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Re: interesting number I found. I don't know what the text it produces means!
« Reply #4 on: December 16, 2006, 03:21:52 PM »
Quote from: silentneep on December 16, 2006, 06:36:53 AM
I'd rather see the garbled text than the number.



The first two lines of text is what it first produced when I first dialed in, and then the third and fourth is what I got when I did a different bitrate.
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Offline immabadspellor_

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Re: interesting number I found. I don't know what the text it produces means!
« Reply #5 on: December 16, 2006, 05:48:30 PM »
I think you're right with the 2400.  It's something low speed like that.  It could also be 4800; I don't remember.  Try 7-E-2 instead of 8-N-1
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Offline I-baLL

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Re: interesting number I found. I don't know what the text it produces means!
« Reply #6 on: December 17, 2006, 08:29:40 AM »
Hmm, try to get the make ((manufacturer) and model of the machine and post it on here.
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Offline mr_doc

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Re: interesting number I found. I don't know what the text it produces means!
« Reply #7 on: December 21, 2006, 04:01:09 PM »
This is the credit card auth center attempting to 'handshake' with your phone. I fail to see why anyone cares when anyone here could read the number off a card machine and get their very own garbled text ad naseum.
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