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All Journal Voice Of Informatics Informasi Interaktif
Siti Fatonah
Universitas AMIKOM Yogyakarta
Computer Science & IT

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ANALISIS KUALITAS LAYANAN E-COMMERCE MENGGUNAKAN METODE ZONE OF TOLERANCE Siti Fatonah; Kusrini Kusrini; Asro Nasiri
Informasi Interaktif Vol 3, No 3 (2018): Jurnal Informasi Interaktif
Publisher : Universitas Janabadra

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Abstract

The quality of e-commerce website services must be considered because it affects the number of users who access the website and decide to buy on an e-commerce website. Shopee is one of the fast-growing e-commerce websites in Indonesia, YLKI received 101 complaints in online shopping including among them complaints from Shopee consumers. The purpose of this study is to analyze the quality of e-commerce website services based on the user's point of view and know the attributes that affect customer satisfaction on service quality based on E-Servqual dimensions, namely efficiency, availability, fulfillment, privacy, responsiveness, compensation and contacts using Zone of Tolerance methods. Data obtained from questionnaires using purposive sampling technique with the number of respondents as many as 100 respondents, then the results of the questionnaire were analyzed using the ZOT method to find out the quality of acceptable minimal services. The results of this study indicate that customers are not satisfied with the quality of service provided with priority improvements to the attributes of Shopee parties willing to bear all shipping costs in the event of a mechanism to replace goods due to Shopee's fault.   Keywords: service quality, e-servqual, ZOT.
Analisis Penerapan Modifikasi Algoritma Vigenere Cipher, Caesar Cipher, Vernam Cipher dan Hill Cipher Untuk Penyisipan Pesan Dalam Gambar Siti Fatonah; Anisa Yulandari; Dony Ariyus
Jurnal VOI (Voice Of Informatics) Vol 8, No 2 (2019)
Publisher : STMIK Tasikmalaya

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Saat ini informasi merupakan elemen yang sangat penting dalam kehidupan manusia. Menjaga keamanan informasi plaintext dapat dilakukan melalui proses enkripsi dalam kriptografi. Penelitian sebelumnya, berbagai algoritma yang dapat digunakan untuk melakukan enkripsi maupun dekripsi dalam kriptografi. Penelitian ini melakukan pengamanan pesan dengan menyisipkan pesan pada sebuah gambar menggunakan algoritma steganografi LSB (least Significant Bit) pada pesan yang telah dienkripsi menggunakan modifikasi algoritma vigenere cipher, hill cipher, vernam cipher dan hill cipher. Hasil penelitian ini pesan dapat disembunyikan dalam gambar dengan meletakkan pesan pada bit terakhir gambarKata Kunci—kriptografi, steganografi, keamanan informasiInformation is a very important element in human life. Maintaining the security of plaintext information can be done through encryption in cryptography. Previous research, various algorithms that can be used to encrypt and decrypt cryptography. This study secures messages by inserting messages on an image using the least significant LSB steganography algorithm on messages that have been encrypted using a modified vigenere cipher algorithm, hill cipher, vernam cipher and hill cipher. The results of this study message can be hidden in the image by placing a message on the last bit of the image.. Keywords—cryptography, steganography, information security
Co-Authors Anisa Yulandari Asro Nasiri Dony Ariyus Kusrini Kusrini