This study aims to analyze the performance of symmetrical encryption algorithms between the AES and DES algorithms, and the use of mini PC devices such as Raspberry Pi. It aims to find algorithms that excel in performance. The performance, which is a measure is the time and memory used to encrypt and decrypt with the same key - the method used in research with an experimental approach. Where experimental done on Raspberry PI with PHP programming language, the results of this study indicate that the AES algorithm requires a shorter time in encrypting messages compared to the DES algorithm. The AES algorithm uses a larger memory capacity in encrypting messages compared to the DES algorithm. The AES algorithm is recommended to use because in terms of security AES has a more significant number of keys that is 128 bits while the DES algorithm has a key length of 64 bits or half of the number of keys in the AES Algorithm. The results of the comparison of the two algorithms can be used as a reference where two encryption algorithms are compatible with the applications and devices developed.

Performance Comparison of Symmetries Encryption Algorithm AES and DES With Raspberry Pi

Cryptography is the study of mathematical techniques related to aspects of information security such as confidentiality, data integrity, entity authentication, and data origin authentication. Most cryptographic algorithms function more efficiently when implemented in hardware than in software running on single processor. However, systems that use hardware implementations have significant drawbacks: they are unable to respond to flaws discovered in the implemented algorithm or to changes in standards. As an alternative, it is possible to implement cryptographic algorithms in software running on multiple processors. However, most of the cryptographic algorithms like DES (Data Encryption Standard) or 3DES have some drawbacks when implemented in software: DES is no longer secure as computers get more powerful while 3DES is relatively sluggish in software. AES (Advanced Encryption Standard), which is rapidly being adopted worldwide, provides a better combination of performance and enhanced network security than DES or 3DES by being computationally more efficient than these earlier standards. Furthermore, by supporting large key sizes of 128, 192, and 256 bits, AES offers higher security against brute-force attacks. In this paper, AES has been implemented with single processor. Then the result has been compared with parallel implementations of AES with 2 varying different parameters such as key size, number of rounds and extended key size, and show how parallel implementation of the AES offers better performance yet flexible enough for cryptographic algorithms.

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Performance analysis of parallel implementation of advanced encryption standard (aes) over serial implementation

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Performance analysis of parallel implementation of advanced encryption standard (aes) over serial implementation