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Caesar Chiper Algorithm In Message Security Wasis
Jurnal Inotera Vol. 11 No. 1 (2026): January-June 2026
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol11.Iss1.2026.ID578

Abstract

The Caesar Cipher algorithm is one of the classical cryptography methods used to secure messages with letter substitution techniques based on certain shifts in the alphabet. This study aims to analyze and implement this algorithm in message security in order to understand its effectiveness and limitations in the world of information security. The methods used include encryption and decryption processes with character shifts according to the specified key. Implementation is carried out using the Python programming language as a case study. The results of the study show that Caesar Cipher is effective in providing basic security for messages, but has significant weaknesses against brute force attacks because it only has 25 possible keys. Therefore, this algorithm is more suitable for use as a basis for learning in the field of cryptography or combined with other security methods to increase its level of security.
Pendampingan Penerapan Perilaku Hidup Bersih dan Sehat (PHBS) dalam Mewujudkan Pesantren Sehat di Pondok Pesantren Sunan Drajat Sunaji; Mohammad Nurwahid; Wanto; Wasis
Ambacang: Jurnal Inovasi Pengabdian Masyarakat Vol. 2 No. 1 (2025): Edisi November
Publisher : PT. Willy Print Art

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Kehidupan pesantren yang bersifat komunal menuntut penerapan Perilaku Hidup Bersih dan Sehat (PHBS) secara konsisten. Kegiatan pengabdian ini bertujuan meningkatkan pemahaman dan kesadaran santri terhadap PHBS, mengidentifikasi faktor yang memengaruhi penerapannya, serta mengembangkan model pendampingan PHBS berbasis nilai-nilai pesantren. Kegiatan dilaksanakan di Pondok Pesantren Sunan Drajat menggunakan pendekatan partisipatif-edukatif melalui penyuluhan dan pendampingan harian. Data dikumpulkan melalui pre-test dan post-test, observasi, serta wawancara singkat. Hasil kegiatan menunjukkan peningkatan pemahaman santri dan perubahan perilaku positif dalam menjaga kebersihan diri dan lingkungan asrama. Kegiatan ini menghasilkan model pendampingan PHBS yang kontekstual dan berpotensi berkelanjutan dalam mendukung terwujudnya pesantren sehat.