Abstract: Messages are circulated very widely through social media, and some of these messages may be confidential or have a personal character, which requires protection of this type of messages from people who are intrusive or have nothing to do with the message. In this paper, we will discuss a new method for encoding short and long text messages, which depends on the use of a special table modified for ASCII table, which includes the locations of the different symbols in a specific image. The proposed method is based on the use of the modified table, noting that `this schedule changes from one image to another, which makes the process of understanding the encrypted text message impossible. The proposed method will be implemented and tested, and the obtained experimental results will be evaluated to show the efficiency and reliability of the proposed method.
Key words: Digital image, secret message, ASCII table, Updated table, encryption, decryption, throughput, efficiency, reliability.
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DOI:
10.17148/IJARCCE.2021.10314
