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Aug 1st, 2009
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DateTime stamp or Code?

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Has anyone ever seen a date time stamp or code like this?


VB.NET Syntax (Toggle Plain Text)
  1. 7CDE8F64DB88782E4EEEBF5DF6B84F034FEEBD54EBB1551E44F3BF5088C93E6B
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Aug 2nd, 2009
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Re: DateTime stamp or Code?

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

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?

Click to Expand / Collapse  Quote originally posted by sknake ...
That is a base64 encoded string. Decode it and you get a 48byte array:
vb.net Syntax (Toggle Plain Text)
  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?

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?

Click to Expand / Collapse  Quote originally posted by sknake ...
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?

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

Quote ...
.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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Aug 4th, 2009
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Re: DateTime stamp or Code?

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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This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
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