Saturday, April 11, 2009

Advance Steps to Solve Stego Problems (On Demand)

I have seen that lots of people are demanding algo to implement steganography I have specified in my earlier posts. I can give you steps to do stegano. Coding will be a paid solution for you.

1) Read Source file in Binary format so that you can write into another file till EOF of the first file. Remember that you have to make byte array for that. Which will only allow to use max integer values i.e. 65536.
2) Read File to be embeded in Binary format in the same way you have read earlier file.
Note that it does not matter what file type you are embeding but you have to take all these things into consideration when you retrieve a file from the source file.
3) Implement a keyword to find out that current file is hiding anything or not. You can use encryption for hiding things into it.

Thats all what you need to do steganography when you are speaking about theory algos. But you need an advance coding knowledge to do so in any language.

You can implement this code into any language like JAVA, VB, VB.NET, C# and even in VC++. Thing is you should know how to read data in binary format and how to write data in binary format.

It seems pretty easy for someone but in fact it is not. Everything is easy if you know it.

Complete code is a paid solution from me.

Note that this algorithm can be identified as a MSB Algorithm of the steganography. Because we are using space provided by the source file after the EOF of the source file. Theoritically its different as MSB is used in the Assembly but practically you should read the block till the end of file and each block will be considered as a byte array. So you can write anything in the binary format at the end of the file.

Just wonder what happen when you double click a file after embeding into it?

Thing is Windows is programmed in such a way that when it finds EOF of the file it stops reading it. So it wont read the message after the EOF.

Do remember that you should Encrypt all the things before you actually do steganography.

Retrieving data is the difficult part in any type of steganography. You have to file what is embeded and where it is embeded. We will discuss this algorithm later in another Blog Post.

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