SISTEM PENGAMANAN PESAN DENGAN METODE KRIPTOGRAFI RSA- CRT DAN METODE STEGANOGRAFI LINEAR CONGRUENTIAL GENERATOR PADA MEDIA CITRA DIGITAL

LANDRIANDANI, M. FARID and Mulya, Megah and Miraswan, Kanda Januar (2020) SISTEM PENGAMANAN PESAN DENGAN METODE KRIPTOGRAFI RSA- CRT DAN METODE STEGANOGRAFI LINEAR CONGRUENTIAL GENERATOR PADA MEDIA CITRA DIGITAL. Undergraduate thesis, Sriwijaya University.

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Abstract

Data security is an important aspect in the process of sending messages, especially for messages that are confidential. There are many methods in protecting data security in cryptography, so the RSA cryptography technique is chosen. This algorithm performs factoring of very large numbers, therefore RSA is considered safe to generate two keys, two large random prime numbers are selected. This study aims to develop software and test whether the process of adding CRT (Chinese Remainder Theorem) to the RSA cryptographic algorithm affects 3 aspects of testing when combined with LSB random steganography techniques. This study used 10 images with a resolution of 256 x 256 and text data consisting of ASCII characters stored in TXT format with a total of 10 - 50 words. The data is used in accordance with the provisions based on 3 aspects of testing. In this research, a prototype software has been made to apply the comparison between the RSA and RSA-CRT algorithms. From the results of tests that have been done with 3 aspects of testing, the use of the CRT theorem in the RSA algorithm only affects the decryption process, and there is no effect on the encryption process.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Kriptografi, LCG, RSA, RSA-CRT, Random LSB, Steganografi
Subjects: Q Science > Q Science (General) > Q334-342 Computer science. Artificial intelligence. Algorithms. Robotics. Automation.
T Technology > T Technology (General) > T1-995 Technology (General)
Divisions: 09-Faculty of Computer Science > 55201-Informatics (S1)
Depositing User: M. Farid Landriandani
Date Deposited: 28 Dec 2020 07:02
Last Modified: 28 Dec 2020 07:02
URI: http://repository.unsri.ac.id/id/eprint/39042

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