Pengamanan File Lampiran Pada Email Berbasis TLS Menggunakan Algoritma AES dan LSB
Along with the development of the technological era in the increasingly rapid digital world, the crimes that may occur in the digital world are also growing. One of the problems that is quite dangerous is the occurrence of theft. In the digital world, data theft is very possible, including the theft of important or even unimportant data. This study will discuss data theft that can occur in the process of sending email. Email servers such as Google, with their product, Gmail, use Transport Layer Security (TLS) as a security system and produce an application that can be used for it. However, it turns out that the security system cannot work optimally if one of the recipients or senders does not use TLS as a security system. Cryptography and Steganography are methods that can maximize the function of securing the email data. In this research, Advanced Encryption Standard (AES) is used as a method of Cryptography, and Least Significant Bit (LSB) which is a method of Steganography. One of the good things that can be obtained from using LSB is that LSB does not use too many computational processes, which will reduce the performance of devices that will also perform AES processes. The results obtained from this study are the process of securing data on email using AES and LSB successfully anticipates the shortcomings of using TLS.
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