Can we hide a text first in a picture and then hide that image again in one more image?












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Can we hide a text first in a picture and then hide that image again in one more image? using a steganographic algorithm like Least significant bit (LSB)?










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    Can we hide a text first in a picture and then hide that image again in one more image? using a steganographic algorithm like Least significant bit (LSB)?










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      Can we hide a text first in a picture and then hide that image again in one more image? using a steganographic algorithm like Least significant bit (LSB)?










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      Can we hide a text first in a picture and then hide that image again in one more image? using a steganographic algorithm like Least significant bit (LSB)?







      encryption steganography






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      edited 1 hour ago









      AleksanderRas

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      asked 1 hour ago









      Paps JhonPaps Jhon

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          Yes!



          For bitmap images, if you use all the pixels of the image (bad idea, it's very detectable) you need a fist image 8/3 times bigger than the size of the text you want to hide (you can compress it).




          • 8 because you need 8 pixels to hide one byte (one bit per pixel).

          • 1/3 with color images, because you can hide a bit per channel/pixel.


          After this, you can hide this image into another image 8 times bigger (again, 1 byte into 8 pixels).



          For JPEG images the approach is different, because you are hiding information into the DCT coefficients. But it's the same idea.






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            $begingroup$

            Yes!



            For bitmap images, if you use all the pixels of the image (bad idea, it's very detectable) you need a fist image 8/3 times bigger than the size of the text you want to hide (you can compress it).




            • 8 because you need 8 pixels to hide one byte (one bit per pixel).

            • 1/3 with color images, because you can hide a bit per channel/pixel.


            After this, you can hide this image into another image 8 times bigger (again, 1 byte into 8 pixels).



            For JPEG images the approach is different, because you are hiding information into the DCT coefficients. But it's the same idea.






            share|improve this answer









            $endgroup$


















              2












              $begingroup$

              Yes!



              For bitmap images, if you use all the pixels of the image (bad idea, it's very detectable) you need a fist image 8/3 times bigger than the size of the text you want to hide (you can compress it).




              • 8 because you need 8 pixels to hide one byte (one bit per pixel).

              • 1/3 with color images, because you can hide a bit per channel/pixel.


              After this, you can hide this image into another image 8 times bigger (again, 1 byte into 8 pixels).



              For JPEG images the approach is different, because you are hiding information into the DCT coefficients. But it's the same idea.






              share|improve this answer









              $endgroup$
















                2












                2








                2





                $begingroup$

                Yes!



                For bitmap images, if you use all the pixels of the image (bad idea, it's very detectable) you need a fist image 8/3 times bigger than the size of the text you want to hide (you can compress it).




                • 8 because you need 8 pixels to hide one byte (one bit per pixel).

                • 1/3 with color images, because you can hide a bit per channel/pixel.


                After this, you can hide this image into another image 8 times bigger (again, 1 byte into 8 pixels).



                For JPEG images the approach is different, because you are hiding information into the DCT coefficients. But it's the same idea.






                share|improve this answer









                $endgroup$



                Yes!



                For bitmap images, if you use all the pixels of the image (bad idea, it's very detectable) you need a fist image 8/3 times bigger than the size of the text you want to hide (you can compress it).




                • 8 because you need 8 pixels to hide one byte (one bit per pixel).

                • 1/3 with color images, because you can hide a bit per channel/pixel.


                After this, you can hide this image into another image 8 times bigger (again, 1 byte into 8 pixels).



                For JPEG images the approach is different, because you are hiding information into the DCT coefficients. But it's the same idea.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 35 mins ago









                Daniel LerchDaniel Lerch

                24624




                24624






















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