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Steganography refers the practice of hiding information from unauthorized third parties. Steganography is often viewed as an advanced form of cryptography. The latter refers to the art of presenting data using secret codes. Steganography can be used as an advanced layer of security. In many cases, encrypted messages are easily identifiable. Steganography can conceal secret information within messages that seem ordinary. Third parties cannot discover that encrypted data is present within the files. Data is usually encrypted and inserted into other files using a unique algorithm. The application of encrypted information onto redundant data is usually done in an indiscernible way. Hence, the viewer cannot determine whether the file contains additional information.
S-tools refer to software that enables both the sender and the receiver to exchange classified information. Encrypted data either party can neither be tracked nor identified by third parties. In this regard, S-tools allow both parties to create unique passphrases. Shared codes help the parties involved to conceal the information from the overtures of unauthorized persons. Although codes may be simple, intruders have no chance of infiltrating the data. S-tools provide users with enhanced capabilities for sharing covert information. People living under restrictive regimes especially benefit from S-tools. This is because they can communicate with one another to coordinate their activities.
Steg refers to a software that uses cryptography and steganography to conceal information from unauthorized persons. Compressed and uncompressed images are mostly used to hide encrypted files. Steg uses a cross-platform network modelled in C++. The software has tremendous capabilities for embedding messages onto image files. Unicode messages are especially appropriate for Steg. In this regard, Unicode messages are especially adaptable to mechanisms of the Steg software. Furthermore, the image can be decrypted using specific keys to obtain the hidden data. Many computer programs use the One-Time-Pad methodology to ensure that encryption is secure.
Xiao steganography is a specialized software developed by Nakasoft. It protects data against unauthorized persons. The software can help users with Windows 98 to encrypt their files and transmit information securely. Notably, Xiao steganography requires less storage than other types of security software. The program is quite popular in Iran, USA, and India due to its practicality and reliability. Users are guaranteed that their files will remain private and confidential regardless of overriding circumstances.
Steghide is a type of program with the ability to conceal data in different types of audio and image files. Sample frequencies of the file are retained and hence, statistical tests are incapable of altering the software. The processes through which embedded data is compressed and encrypted occurs quite smoothly. The integrity and accuracy of extracted data can be verified using a checksum that decodes numerous types of files. Steghide uses new algorithms to accomplish tasks that were previously impossible. In addition, the program was coded in C++ for the benefit of certain people. Both Linux and Windows operating systems can benefit from Steghide.
Image steganography refers to the practice of concealing encrypted messages in JPEG or PNG files. Decipherable texts, audio files, and other pieces of information can be hidden within an image file. Image steganography is one of the most subtle forms of data protection since people tend to focus on shapes and texture. Hence, it is easy to conceal encrypted within such shapes and forms. Image steganography is mostly used by advanced technicians since it requires plenty of skill and expertise.
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