Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera Utara
<p><em>In this study the authors use Cryptographic Algorithms</em><em> </em><em>Rivest</em><em> </em><em>Shamir</em><em> </em><em>Adleman</em><em> </em><em>Chinese Remainder Theorem (RSA-CRT)...
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Format: | Article |
Language: | Indonesian |
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Univesitas Islam Negeri Sumatera Utara
2017-04-01
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Series: | Query: Jurnal Sistem Informasi |
Online Access: | http://jurnal.uinsu.ac.id/index.php/query/article/view/638 |
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author | Niti Ravika Nasution |
author_facet | Niti Ravika Nasution |
author_sort | Niti Ravika Nasution |
collection | DOAJ |
description | <p><em>In this study the authors use Cryptographic Algorithms</em><em> </em><em>Rivest</em><em> </em><em>Shamir</em><em> </em><em>Adleman</em><em> </em><em>Chinese Remainder Theorem (RSA-CRT) and steganography</em><em> </em><em>technique Random Least Significant Bits (</em><em>LSB</em><em>). RSA-CRT is basically the same as usual, but utilizing RSA CRT theorem to shorten the bit size decryption exponent d by hiding d on congruent systems that accelerate time decryption, the difference in the key generation process and the decryption process. Cryptographic algorithm RSA-CRT produce ciphertext stored into a picture (image) using Steganography technique Random Least Significant Bits (</em><em>LSB</em><em>). The workings of Random</em><em> </em><em>LSB</em><em> </em><em>is storing the message (ciphertext) in the first bit or the second bit random key for use random number generator Pseudo Random Number Generator (</em><em>PRNG</em><em>) with Linear</em><em> </em><em>Congruential</em><em> </em><em>Generator (</em><em>LCG</em><em>)</em><em> </em><em>method</em><em>. Ciphertext stored in </em><em>a picture </em><em> (image) has extracted key re-use random number generator at the time of inserting the message. Then the ciphertext is decrypted back by the algorithm RSA-CRT to produce the original text (plaintext). Merging Cryptographic Algorithm RSA-CRT with Steganography Technique Simple </em><em> </em><em>LSB</em><em> </em><em>than with Random</em><em> </em><em>LSB</em><em> </em><em>generate</em><em> </em><em>higher</em><em> </em><em>PSNR</em><em> </em><em>and</em><em> </em><em>MSE</em><em> </em><em>is lower, which means better level of data security and more resistant to attack. H</em><em>as more difficult to find a secret message by cryptanalysis </em><em>and s</em><em>teganal</em><em>y</em><em>s</em><em>t.</em></p> |
first_indexed | 2024-12-10T14:10:53Z |
format | Article |
id | doaj.art-8be116b58d3243e687160aa3c01b8970 |
institution | Directory Open Access Journal |
issn | 2579-5341 |
language | Indonesian |
last_indexed | 2024-12-10T14:10:53Z |
publishDate | 2017-04-01 |
publisher | Univesitas Islam Negeri Sumatera Utara |
record_format | Article |
series | Query: Jurnal Sistem Informasi |
spelling | doaj.art-8be116b58d3243e687160aa3c01b89702022-12-22T01:45:30ZindUnivesitas Islam Negeri Sumatera UtaraQuery: Jurnal Sistem Informasi2579-53412017-04-01101453Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera UtaraNiti Ravika Nasution0Kantor Wilayah Kementerian Agama Provinsi Sumatera Utara<p><em>In this study the authors use Cryptographic Algorithms</em><em> </em><em>Rivest</em><em> </em><em>Shamir</em><em> </em><em>Adleman</em><em> </em><em>Chinese Remainder Theorem (RSA-CRT) and steganography</em><em> </em><em>technique Random Least Significant Bits (</em><em>LSB</em><em>). RSA-CRT is basically the same as usual, but utilizing RSA CRT theorem to shorten the bit size decryption exponent d by hiding d on congruent systems that accelerate time decryption, the difference in the key generation process and the decryption process. Cryptographic algorithm RSA-CRT produce ciphertext stored into a picture (image) using Steganography technique Random Least Significant Bits (</em><em>LSB</em><em>). The workings of Random</em><em> </em><em>LSB</em><em> </em><em>is storing the message (ciphertext) in the first bit or the second bit random key for use random number generator Pseudo Random Number Generator (</em><em>PRNG</em><em>) with Linear</em><em> </em><em>Congruential</em><em> </em><em>Generator (</em><em>LCG</em><em>)</em><em> </em><em>method</em><em>. Ciphertext stored in </em><em>a picture </em><em> (image) has extracted key re-use random number generator at the time of inserting the message. Then the ciphertext is decrypted back by the algorithm RSA-CRT to produce the original text (plaintext). Merging Cryptographic Algorithm RSA-CRT with Steganography Technique Simple </em><em> </em><em>LSB</em><em> </em><em>than with Random</em><em> </em><em>LSB</em><em> </em><em>generate</em><em> </em><em>higher</em><em> </em><em>PSNR</em><em> </em><em>and</em><em> </em><em>MSE</em><em> </em><em>is lower, which means better level of data security and more resistant to attack. H</em><em>as more difficult to find a secret message by cryptanalysis </em><em>and s</em><em>teganal</em><em>y</em><em>s</em><em>t.</em></p>http://jurnal.uinsu.ac.id/index.php/query/article/view/638 |
spellingShingle | Niti Ravika Nasution Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera Utara Query: Jurnal Sistem Informasi |
title | Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera Utara |
title_full | Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera Utara |
title_fullStr | Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera Utara |
title_full_unstemmed | Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera Utara |
title_short | Kombinasi RSA-CRT dengan Random LSB untuk Keamanan Data di Kanwil Kementerian Agama Prov. Sumatera Utara |
title_sort | kombinasi rsa crt dengan random lsb untuk keamanan data di kanwil kementerian agama prov sumatera utara |
url | http://jurnal.uinsu.ac.id/index.php/query/article/view/638 |
work_keys_str_mv | AT nitiravikanasution kombinasirsacrtdenganrandomlsbuntukkeamanandatadikanwilkementerianagamaprovsumaterautara |