Dibiyo Marsela Sutikno and Karima Aisyatul. Com, ss. Jurnal Dunia Teknologi Informasi. Information For Readers. Abstract Utilization of document files does not guarantee the security of those documents. There are acts of plagiarism of txt and doc files.
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Dibiyo Marsela Sutikno and Karima Aisyatul. Com, ss. Jurnal Dunia Teknologi Informasi. Information For Readers. Abstract Utilization of document files does not guarantee the security of those documents. There are acts of plagiarism of txt and doc files. Converting files into PDF can help secure the files, because PDF can not be easily plagiarized and a password can be embedded into the files. But, nowadays, PDF files also can be modified by other parties, thus, reducing the security of the files.
This paper utilizes factor of prime and random numbers in cryptography using ElGamal algorithm to encrypt PDF plaintext documents into cipher text. This research uses experimental research with some experiments of encryption and decryption. The data analysis type is quantitative with non-parametric statistic.
This technique is implemented to analyze the final result of experiments. The research is conducted by doing 20 times encryption using random keys. The result shows the successfulness of encryption process.
The process begins by converting each character from the plaintext using ASCII table to a decimal number. ElGamal algorithm calculation is then applied using prime and random numbers to generate the keys.
This process makes ElGamal algorithm superior to other algorithm. The result is character value used in the decryption process. The output of the encryption process is an encrypted PDF document ciphertext. The results show that the combinations of prime and random numbers are successfully generated in the encryption process using ElGamal algorithm. Full Text: PDF. Munir, Rinaldi. Bandung : Informatika Bandung, Bandung : u.
Karima Aisyatul and Saputro Ari. Sisfotenika,
Implementasi Algoritma Elgamal Untuk Enkripsi Dan Dekripsi Berbasis Web
Other thesis, Universitas Katolik Musi Charitas. The large number of Internet tapers and crimes that occur today with the development of technology makes people easily access the internet makes a lot of opportunities to commit crime. Data security is something everyone wants to keep privacy. To maintain the security of the document data can be applied cryptographic algorithm so avoid the interruption, interception, modification, and fabrication. One of the algorithms that can be used is the algorithm ElGamal cryptography because many studies that use this algorithm.
Penerapan Algoritma Kriptografi ElGamal Untuk Pengaman File Citra
Our current life surrounded by cryptography. Starting from the transaction at the ATM machine, a conversation through mobile phones, accessing the Internet, to enable the missile was using cryptography. Once the importance of cryptography for Information Security Information Security , so if talk about security issues associated with computer use, it will not be separated from the cryptography. Cryptography is also used in the process of sending email. If an email is sent through the public network then the security level is very risky.