International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 09 | Sep 2024
p-ISSN: 2395-0072
www.irjet.net
"Evolution of Coding Techniques: From Morse code to Matrix-Based Cryptography for Secure Communication" - Saba --------------------------------------------------------------***--------------------------------------------------------Abstract: This paper investigates different coding and decoding techniques, from classic methods such as Morse code to more sophisticated methods using matrix multiplication and inversion. The simplicity and effectiveness of Morse code are being evaluated as a reliable form of basic communication, especially in low-tech environments. Yet, its basic nature also constrains its safety in contemporary uses. On the other hand, the article explores the application of matrix multiplication for encrypting messages, converting information into a safe form through mathematical procedures. The decryption procedure, which involves accurately calculating the inverse matrix, introduces a strong level of protection, rendering it an effective tool in cryptography. By extensively comparing these methods, the paper showcases how coding techniques have evolved from basic to advanced, mirroring the increasing need for secure communication in the digital age. The results highlight the significance of choosing suitable encoding and decoding techniques according to the specific requirements of the communication, be it for simplicity, speed, or security. KEY WORDS: Coding, Decoding, Morse code, Matrices Why I chose this topic:
1. Introduction: The common concept of coding and decoding to the forms of changing over data from one organize into another (coding) and after that changing over it back to its unique frame (translating). This concept is essential in different areas, such as communication, computing, information handling, and phonetics. Coding Definition: Coding is the method of transforming information or data into a distinctive arrange employing a particular strategy or calculation. This prepare is regularly done to plan the information for transmission, capacity, or handling. Examples: 1. Content Encoding: Changing over characters into parallel information utilizing designs like ASCII or UTF8. 2. Encryption: Changing over plain content into a ciphertext to ensure the data (e.g., utilizing calculations like AES or RSA). 3. Information Compression: Decreasing the measure of information for capacity or transmission (e.g., using ZIP or MP3 groups). Decoding: Decoding is the method of changing over coded or encoded information back into its unique organize. This permits the data to be caught on or handled as planning. Examples: 1. Content Interpreting: Changing over twofold information back into discernable content. 2. Unscrambling: Changing over cipher text back into the initial plain content. 3. Information Decompression: Growing compressed information back to its original measure and organize. Applications 1. Communication: In advanced communication, information is regularly encoded to guarantee that it can be transmitted proficiently and safely. At the receiver's conclusion, the information is decoded to its unique frame. 2. Computing: In computers, various forms of encoding (e.g., machine code) are utilized to permit the processor to execute enlightening. Interpreting is vital for deciphering those enlightening. 3. Multi media: Sound and video records are encoded to diminish record measure for capacity or gushing. Playback gadgets translate the records to render the media appropriately. Significance: Coding and Decoding are basic for guaranteeing that information remains intaglio, secure, and usable all through its travel from creation to end-user. Whether in computing, communication, or information capacity, these forms play a vital part in present day innovation.
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