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All Journal EMITTER International Journal of Engineering Technology
Thejaswini P
JSS Academy of Technical Education, Affiliated to VTU, Bengaluru
Computer Science & IT

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Area-Efficient Concryption for Secure Data Transmission Thejaswini P; Gunasagari G S; Sunita Shirahatti; Vivekananda G
EMITTER International Journal of Engineering Technology Vol 14 No 1 (2026)
Publisher : Politeknik Elektronika Negeri Surabaya (PENS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24003/emitter.v14i1.1020

Abstract

As computer networks become more connected, it is more important than ever to protect users' data and privacy. Especially because modern cyberattacks are so advanced, cryptography is a key way to keep user data private, real, and safe. However, since cryptographic methods do not reduce file sizes, concryption techniques are employed to optimize storage and enhance bandwidth for secure and efficient data transmission. The concryption method is implemented using two of the most flexible and efficient symmetric block ciphers: The concryption method uses the Blowfish and Twofish symmetric block ciphers, along with compression techniques such as LZW and MTF. We propose an area-efficient encryption algorithm that is better than the Twofish algorithm. The proposed architecture is a suitable fit for IoT devices, embedded systems, and hardware platforms that don't need much power (0.135 mW) and don't need much space (1,197 gates). Therefore, the proposed encryption architecture is a good balance between the cost of hardware, the effectiveness, and the security of lightweight cryptographic applications. The proposed encryption technique is applied to the concryption process, where compression before encryption results in a better compression ratio compared to encrypting the data first, thereby reducing bandwidth usage and enhancing transmission speed for secure data transfers.
Co-Authors Gunasagari G S Sunita Shirahatti Vivekananda G