Analisis Dan Perancangan Simulasi Algoritma Paillier Cryptosystem Pada Pesan Text Dengan Presentation Format Binary, Octal, Hexadecimal dan Base64

Muhamad Femy, Mulya and Rismawati, Nofita and Trisanto, Dedy (2020) Analisis Dan Perancangan Simulasi Algoritma Paillier Cryptosystem Pada Pesan Text Dengan Presentation Format Binary, Octal, Hexadecimal dan Base64. Faktor Exacta, 13 (4). pp. 208-215. ISSN 2502-339X

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Abstract

The paillier cryptosystem algorithm is an asymmetric probabilistic algorithm for cryptography public key. The paillier cryptosystem algorithm is used because the computation of encryption and decryption in the paillier cryptosystem algorithm is quite complicated: it requires two power operations, one multiplication operation, and one modulo operation. The purpose of this research is to analyze, to design and to implement simulation of encryption and decryption of text messages (in the form of text writing or text files) using the paillier cryptosystem algorithm with 4 (four) presentation formats, namely, binary, octal, hexadecimal and base64. Thus, text messages (in the form of text writing or text files) will be safer when sent via email, SMS or chat from sender to message recipient. The software that will be used to simulate the paillier cryptosystem algorithm is Cryptool2. The results showed that the binary presentation format is the fastest for the encryption and decryption process time (ms), while the base64 presentation format is the slowest for the time (ms) for the encryption and decryption process.

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