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omitting a reference to a paper of mine, to not personalize the answer; and it is not necessary or mandatory
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Steganography means hiding secret data/msgs inside the bits of the image matrix (as it would be harder to discover they r used as a transferring media in the first place)

The most naive approach would be to just store in the grades of a color accuracy like Black in a high resolution image for example; such naive approaches can be easily discovered by any resize/rotate of the image.

More complicated approaches started to appear in 2000-2005 maybe, I had a paper on it 2006 M. Tolba, S. Arafat, R. Kotb, "Analysis of Alphabetic Tree Cipher", the 4th International Multi conference in Computer Science & Information Technology, 5-7 April 2006, Amman, Jordan. (I think this one is also about steganography although not a near link right now) But thanks to you, I knew now someone used Huffman Treesin the title "Hiding Secret Messages in Huffman Trees" https://www.researchgate.net/publication/261021203_Hiding_Secret_Messages_in_Huffman_Trees & I'll check if they share something with my idea

I even recall articles after 9/11 suspecting that Osama Ben Laden was sending encrypted msgs to his allies thru his broadcasted videos using steganography ( I remember an article entitled "Could Ben Laden be a Steganography Master"? https://www.wired.com/2001/02/bin-laden-steganography-master/ )

Anyways, I don't think the topic flourished as a research area afterwards. I just Googled it now, there are books & explaining dated to 2011, but almost nothing new except 2 papers One in 2019 "An efficient steganographic technique for hiding data" https://joems.springeropen.com/articles/10.1186/s42787-019-0061-6 One in 2015 "Steganography for inserting message on digital image using least significant bit and AES cryptographic algorithm" https://ieeexplore.ieee.org/document/7577468 (you can find more references inside those papers)

Steganography means hiding secret data/msgs inside the bits of the image matrix (as it would be harder to discover they r used as a transferring media in the first place)

The most naive approach would be to just store in the grades of a color accuracy like Black in a high resolution image for example; such naive approaches can be easily discovered by any resize/rotate of the image.

More complicated approaches started to appear in 2000-2005 maybe, I had a paper on it 2006 M. Tolba, S. Arafat, R. Kotb, "Analysis of Alphabetic Tree Cipher", the 4th International Multi conference in Computer Science & Information Technology, 5-7 April 2006, Amman, Jordan. ( not a near link right now) But thanks to you, I knew now someone used Huffman Trees "Hiding Secret Messages in Huffman Trees" https://www.researchgate.net/publication/261021203_Hiding_Secret_Messages_in_Huffman_Trees & I'll check if they share something with my idea

I even recall articles after 9/11 suspecting that Osama Ben Laden was sending encrypted msgs to his allies thru his broadcasted videos using steganography ( I remember an article entitled "Could Ben Laden be a Steganography Master"? https://www.wired.com/2001/02/bin-laden-steganography-master/ )

Anyways, I don't think the topic flourished as a research area afterwards. I just Googled it now, there are books & explaining dated to 2011, but almost nothing new except 2 papers One in 2019 "An efficient steganographic technique for hiding data" https://joems.springeropen.com/articles/10.1186/s42787-019-0061-6 One in 2015 "Steganography for inserting message on digital image using least significant bit and AES cryptographic algorithm" https://ieeexplore.ieee.org/document/7577468 (you can find more references inside those papers)

Steganography means hiding secret data/msgs inside the bits of the image matrix (as it would be harder to discover they r used as a transferring media in the first place)

The most naive approach would be to just store in the grades of a color accuracy like Black in a high resolution image for example; such naive approaches can be easily discovered by any resize/rotate of the image.

More complicated approaches started to appear in 2000-2005 maybe, I think this one is also about steganography although not in the title "Hiding Secret Messages in Huffman Trees" https://www.researchgate.net/publication/261021203_Hiding_Secret_Messages_in_Huffman_Trees

I even recall articles after 9/11 suspecting that Osama Ben Laden was sending encrypted msgs to his allies thru his broadcasted videos using steganography ( I remember an article entitled "Could Ben Laden be a Steganography Master"? https://www.wired.com/2001/02/bin-laden-steganography-master/ )

Anyways, I don't think the topic flourished as a research area afterwards. I just Googled it now, there are books & explaining dated to 2011, but almost nothing new except 2 papers One in 2019 "An efficient steganographic technique for hiding data" https://joems.springeropen.com/articles/10.1186/s42787-019-0061-6 One in 2015 "Steganography for inserting message on digital image using least significant bit and AES cryptographic algorithm" https://ieeexplore.ieee.org/document/7577468 (you can find more references inside those papers)

Source Link
ShAr
ShAr
  • 160
  • 4

Steganography means hiding secret data/msgs inside the bits of the image matrix (as it would be harder to discover they r used as a transferring media in the first place)

The most naive approach would be to just store in the grades of a color accuracy like Black in a high resolution image for example; such naive approaches can be easily discovered by any resize/rotate of the image.

More complicated approaches started to appear in 2000-2005 maybe, I had a paper on it 2006 M. Tolba, S. Arafat, R. Kotb, "Analysis of Alphabetic Tree Cipher", the 4th International Multi conference in Computer Science & Information Technology, 5-7 April 2006, Amman, Jordan. ( not a near link right now) But thanks to you, I knew now someone used Huffman Trees "Hiding Secret Messages in Huffman Trees" https://www.researchgate.net/publication/261021203_Hiding_Secret_Messages_in_Huffman_Trees & I'll check if they share something with my idea

I even recall articles after 9/11 suspecting that Osama Ben Laden was sending encrypted msgs to his allies thru his broadcasted videos using steganography ( I remember an article entitled "Could Ben Laden be a Steganography Master"? https://www.wired.com/2001/02/bin-laden-steganography-master/ )

Anyways, I don't think the topic flourished as a research area afterwards. I just Googled it now, there are books & explaining dated to 2011, but almost nothing new except 2 papers One in 2019 "An efficient steganographic technique for hiding data" https://joems.springeropen.com/articles/10.1186/s42787-019-0061-6 One in 2015 "Steganography for inserting message on digital image using least significant bit and AES cryptographic algorithm" https://ieeexplore.ieee.org/document/7577468 (you can find more references inside those papers)