“…Bits "0" positions in image: 3, 4,6,7,8,9,10,14 . Bits "0" positions in secret message: 4,5,6,8,10,12,13,15,16,17,19,21,24,26,27,31,33,36,38,40 . b) Each position of the bits "1" in image and secret message are stored.…”
Section: B Methods Architecturementioning
confidence: 99%
“…Cryptography and steganography have been used together in communication [7], [8]. Usually, the message is encrypted before being hidden in an image.…”
The goal of cryptography is to maintain the secrecy of information while steganography aims to hide the information. A hybrid steganography and cryptography method was introduced to increase the security of data transmission. Random Similar Bit Mapping (RSBM) was proposed to hide a secret message without modifying the image and generates a Position File (PF) which stores the positions of a hidden message. PF is encrypted using Advanced Encryption Standard (AES) algorithm before being sent to the receiver. Two security measures were proposed to estimate the message location in PF based on Correct Position Finding (CPF) for message detection against a brute force attack. This paper compared related works using the proposed security measures to evaluate its security. From the CPF probability analysis, RSBM produced the lowest CPF probability results, while recording the highest CPF time complexity results in CPF time complexity analysis. In conclusion, RSBM ensured high data security which can be implemented in any information hiding application.
“…Bits "0" positions in image: 3, 4,6,7,8,9,10,14 . Bits "0" positions in secret message: 4,5,6,8,10,12,13,15,16,17,19,21,24,26,27,31,33,36,38,40 . b) Each position of the bits "1" in image and secret message are stored.…”
Section: B Methods Architecturementioning
confidence: 99%
“…Cryptography and steganography have been used together in communication [7], [8]. Usually, the message is encrypted before being hidden in an image.…”
The goal of cryptography is to maintain the secrecy of information while steganography aims to hide the information. A hybrid steganography and cryptography method was introduced to increase the security of data transmission. Random Similar Bit Mapping (RSBM) was proposed to hide a secret message without modifying the image and generates a Position File (PF) which stores the positions of a hidden message. PF is encrypted using Advanced Encryption Standard (AES) algorithm before being sent to the receiver. Two security measures were proposed to estimate the message location in PF based on Correct Position Finding (CPF) for message detection against a brute force attack. This paper compared related works using the proposed security measures to evaluate its security. From the CPF probability analysis, RSBM produced the lowest CPF probability results, while recording the highest CPF time complexity results in CPF time complexity analysis. In conclusion, RSBM ensured high data security which can be implemented in any information hiding application.
“…These operations are employed for all pixels of original secret image. The authors in [22], they proposed a method, which combines the techniques of Steganography and cryptography, to hide the secret data in an image. In the first phase, the sender will embed the secret data in an image by using the Least Significant Bit (LSB) technique.…”
<pre>One of the techniques used in information security is the concealment technique, where the information to be hidden within another information medium to be saved in the process of messaging between two sides without detection. In this paper, an algorithm was proposed to conceal and encrypt data using several means.in order to ensure its preservation from detection and hackers. Wavelet transformer was used to change the shape of a wave of information (one and two-dimensional data) and its different mathematical formulas. Two sets of data were used, the first group used in a hidden process. The second group was considered as a means of both embedding and encryption. The data in the second group is reduced to the extent of sufficient for the modulation process, by extracting its high-value properties and then removing them from the mother's information wave. The process of encrypting of the two sets of data comes together using an exponential function. The result is undetectable information signals. Algorithms were built to hide and encrypt one and two-dimensional data. High-security signals and images were obtained. Decryption algorithms were built to return encrypted data to their original forms, and getting the replica data.</pre><p> </p>
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