A Selective Encryption Algorithm Based on AES for Medical Information

Area of Science:

• Computer Science
• Information Security
• Applied Cryptography

Background:

• Medical information transmission is a daily necessity.
• Current encryption methods are computationally intensive, posing challenges for efficiency.
• There is a need for secure, robust, and fast encryption for critical data.

Purpose of the Study:

• To design a selective encryption scheme for efficient and secure medical data transmission.
• To address the computational intensity of traditional cryptography.

Main Methods:

• The proposed scheme expands the Advanced Encryption Standard (AES)-Rijndael algorithm.
• Key modifications include data compression, variable block size, selectable rounds, software implementation optimization, and selective function.
• The scheme was implemented and tested using C++.

Main Results:

• Experimental results demonstrate a faster execution speed for encryption and decryption.
• The selective encryption scheme offers improved performance over standard methods.

Conclusions:

• The developed selective encryption scheme provides a more efficient solution for secure data transmission.
• Hardware and software co-design is an emerging area for enhancing encryption schemes.