Implementation of Base 64 and AES Algorithms in Web-Based Email Message Security System

Indri Renika; Rahmadani; I Gusti Prahmana

doi:10.59934/jaiea.v5i1.1578

Authors

Indri Renika STMIK Kaputama
Rahmadani STMIK KAPUTAMA
I Gusti Prahmana STMIK KAPUTAMA

DOI:

https://doi.org/10.59934/jaiea.v5i1.1578

Keywords:

AES 256 bit algorithm , Base64 algorithm , Email messages , Security Message

Abstract

This research is motivated by the increasing threat to message security in email communications due to the rapid development of information technology. To address this, this study aims to implement and test a web-based email message security system that combines Base64 and AES 256-bit algorithms to protect text messages and attachments from security threats. This system was developed using the PHP programming language and functions as an internal messaging system. The results show that the combination of the two algorithms successfully creates a system capable of securing messages strongly. During the delivery process, the system performs AES 256 encryption and Base64 encoding on messages and attachments. Meanwhile, when a message is received, the user must first enter the same key, after which the system will perform Base64 decoding and continue with AES 256 decryption to restore the message to its original form. Thus, the resulting system is proven effective in securing digital communications and ensuring that messages can only be accessed by authorized recipients.

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