DateTime stamp or Code?

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DateTime stamp or Code?

 
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  #1
Aug 1st, 2009
Has anyone ever seen a date time stamp or code like this?


  1. 7CDE8F64DB88782E4EEEBF5DF6B84F034FEEBD54EBB1551E44F3BF5088C93E6B
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Re: DateTime stamp or Code?

 
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Aug 2nd, 2009
That is a base64 encoded string. Decode it and you get a 48byte array:
  1. Convert.FromBase64String("7CDE8F64DB88782E4EEEBF5DF6B84F034FEEBD54EBB1551E44F3BF5088C93E6B")
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Re: DateTime stamp or Code?

 
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Aug 2nd, 2009
Looks like a 32 byte hash.

But sknake is more likely correct!
Last edited by wildgoose; Aug 2nd, 2009 at 1:33 am.
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Re: DateTime stamp or Code?

 
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Aug 2nd, 2009
Originally Posted by sknake View Post
That is a base64 encoded string. Decode it and you get a 48byte array:
  1. Convert.FromBase64String("7CDE8F64DB88782E4EEEBF5DF6B84F034FEEBD54EBB1551E44F3BF5088C93E6B")

Thanks that helped get me started now I just have to figure out how they managed to get those 48byte array out of a date string "August 4, 2009". But at least now I'm on the right track and making progress.
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Re: DateTime stamp or Code?

 
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Aug 2nd, 2009
Dates are stored in binary as a long which is 64 bytes so i'm guessing either it isn't a BASE64 string OR they're doing something tricky here. Is this a .NET application generating this hash/crypto string? If not then what language is it in?
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Re: DateTime stamp or Code?

 
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Aug 2nd, 2009
Originally Posted by sknake View Post
Dates are stored in binary as a long which is 64 bytes so i'm guessing either it isn't a BASE64 string OR they're doing something tricky here. Is this a .NET application generating this hash/crypto string? If not then what language is it in?

It's a vb.NET app that a friend threw at me to take a look at. But I've been having problems making heads or tails of it. Pretty much it has a .exe and .ini the .ini has just two lines in it basically a [VarHead] and then the KEY="..." (what I posted earlier). It is possible that it's being hashed, I tried to pull the data binary but it kept throwing errors like crazy.
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Re: DateTime stamp or Code?

 
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Aug 2nd, 2009
Upload the program you are referring to and i'll take a look at it
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Re: DateTime stamp or Code?

 
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Aug 2nd, 2009
.ini has just two lines in it basically a [VarHead] and then the KEY="..." (what I posted earlier). It is possible that it's being hashed, I tried to pull the data binary but it kept throwing errors like crazy.
Just my guess. It's 256 bit AES key. They would be 64 hex characters (like you posted).
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Re: DateTime stamp or Code?

 
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  #9
Aug 4th, 2009
You seriously MIME encoded a ZIP file and posted the contents in to the message body?

Please upload the file to this thread, or, if you are still concerned with security I will PM you an email address. Please keep all discussion on the thread.
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