PENGECEKAN KEASLIAN FILE PDF DENGAN TEKNIK DIGITAL SIGNATURE MENGGUNAKAN ALGORITMA BLAKE2S DAN AES

KATENI, MUHAMMAD NAUFAL and Arsalan, Osvari (2023) PENGECEKAN KEASLIAN FILE PDF DENGAN TEKNIK DIGITAL SIGNATURE MENGGUNAKAN ALGORITMA BLAKE2S DAN AES. Undergraduate thesis, Sriwijaya University.

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Abstract

Digital signature is a cryptographic technique to maintain and check the authenticity of data or information. In this research, the algorithms used are the BLAKE2s algorithm as a hash algorithm and the AES algorithm as a decryption encryption algorithm. In this research, the data or information to be checked is in the form of PDF files that have varying file sizes. In the BLAKE2s algorithm, the public key is used as a hash randomizer and in the AES algorithm, AES 128 is used with a private key as an identifier of the data to be encrypted or decrypted. In testing, the Avalanche Effect method is used, which is a check for changes in the results of the input text that is changed slightly in cryptographic operations will change drastically or not. Based on the results of research on the overall file size, the results obtained are above 87% which is considered very good.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Cryptography, Digital Signature, BLAKE2s, AES, PDF File
Subjects:	Z Bibliography. Library Science. Information Resources > Z102.5-104.5 Cryptography. Ciphers. Invisible writing
Divisions:	09-Faculty of Computer Science > 55201-Informatics (S1)
Depositing User:	Muhammad Naufal Kateni
Date Deposited:	01 Aug 2023 05:02
Last Modified:	01 Aug 2023 05:02
URI:	http://repository.unsri.ac.id/id/eprint/123475

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