Designing of Cryptography Based Security System for Cloud Computing

Sengupta, Nandita; Holmes, Jeffrey

doi:10.1109/cube.2013.20

Cited by 17 publications

(11 citation statements)

References 12 publications

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“…Pesan atau informasi yang disandikan menggunakan algoritma kriptografi klasik yaitu algoritma Reversed Vigenere Encryption. Sebelumnya Sengupta [7] telah menggunakan algoritma Reversed Vigenere Encryption untuk mendesain suatu sistem keamanan pada sistem cloud computing. Pada penelitian tersebut, algoritma Reversed Vigenere Encryption pada dasarnya sama dengan algoritma Vigenere Cipher, hanya saja kunci pada algoritma ini dibalik atau dilakukan transposisi kebalikan (permutation reversed).…”

Section: Pendahuluanunclassified

“…Reversed Vigenere Encryption merupakan algoritma kriptografi klasik seperti Vigenere cipher pada umumnya tetapi kunci yang digunakan pada algoritma dilakukan transposisi kebalikan (permutation reversed) terlebih dahulu. Sebagai contoh yaitu jika terdapat kunci yang akan digunakan adalah "KEAMANAN" maka kunci tersebut dilakukan transposisi kebalikan (permutation reversed) terlebih dahulu sehingga kunci akhir yang akan digunakan adalah "NANAMAEK" [7].…”

Section: Reversed Vigenere Encryptionunclassified

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Implementasi Algoritma Reversed Vigenere Encryption pada Pengamanan Citra

2018

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Pengamanan data atau informasi penting dilakukan untuk mencegah bocornya suatu pesan atau informasi kepada orang yang tidak berhak menerima. Pengamanan suatu data dapat dilakukan dengan menggunakan suatu teknik penyandian yang dinamakan dengan kriptografi. Pada penelitian ini, data yang digunakan adalah pesan/informasi berupa citra RGB sebanyak 10 buah citra. Pesan atau informasi pada penelitian disandikan menggunakan algoritma Reversed Vigenere Encryption. Tujuan dari penyandian citra RGB ini adalah untuk mengetahui bagaimana langkah-langkah enkripsi dan dekripsi serta hasil keamanan dari penyandian citra terhadap serangan-serangan kriptoanalisis. Adapun metode yang digunakan untuk menganalisis hasil enkripsi adalah anilisis histogram dan analisis diferensial. Hasil dari proses enkripsi dan dekripsi citra dapat dilakukan dengan baik namun masih menghasilkan cipherimage yang membentuk sebagian pola dari citra asli sehingga mudah ditebak oleh seseorang. Pada analisis histogram nilai-nilai pixels dari cipherimage belum menyebar secara merata sehingga hasil dari enkripsi citra masih memiliki ketahanan yang lemah terhadap serangan-serangan kriptoanalisis tipe statistik. Pada analisis diferensial, nilai NPCR menghasilkan nilai 100% yang berarti setiap pixels pada citra asli berubah bentuk secara total. Kata Kunci: Kriptografi, Citra RGB, Reversed Vigenere Encryption.

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Section: Pendahuluanunclassified

Section: Reversed Vigenere Encryptionunclassified

Implementasi Algoritma Reversed Vigenere Encryption pada Pengamanan Citra

2018

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“…In the third phase, the reverse Caesar cipher is applied to the encrypted data files achieved from the second phase of decryption and get the plain text to the user. The proposed technique main advantage is providing triple encryption to the data and major drawbacks is less efficient [7].…”

Section: Hybrid Vigenere Caesar Cipher Encryption (Hvcce)mentioning

confidence: 99%

Survey on Data Classification and Data Encryption Techniques Used in Cloud Computing

Sawle¹,

Baraskar²

2016

IJCA

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Cloud computing is an imminent revolution in information technology (IT) industry because of its performance, accessibility, low cost and many other luxury features. Security of data in the cloud is one of the major issues which acts as barrier in the implementation of cloud computing. In past years, a number of research works have targeted this problem. In this paper discuss some of the data classification techniques widely used in cloud computing. The objective of data classification is to find out the required level of security for data and to protect data by providing sufficient level of security according to the risk levels of data. In this paper also discuss a survey of existing solutions for security problem, discuss their advantages, and point out any disadvantages for future research. Specifically, focus on the use of encryption techniques, and provide a comparative study of the major encryption techniques.

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“…It prevents cloud in three places that is in client location, in network and in server location. In this scheme the time for decrypting the cipher text for hackers will be more than single cryptographic system [5].…”

Section: ____________________________________________________________mentioning

confidence: 99%

“…Hybrid Vigenere Ceaser Cipher Encryption (HVCCE) is used in scheme [5]. It prevents cloud in three places that is in client location, in network and in server location.…”

Section: ____________________________________________________________mentioning

confidence: 99%

Cloud Based Location and Message Sharing System

Gaikwad¹

2015

IJRITCC

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-It has been observed in the last few years that android technology is emerging very rapidly. Because of the android technology the smart phones have come into boom. There are various applications developed using the android technology like games, music, shopping, maps etc. One of the most used applications is the chatting application. Chatting application is the most convenient medium to chat or communicate with each other. There are many chat applications developed earlier, but they have some or the other drawbacks. In previous papers there was a major problem related to the security of the messages. But this drawback has been overcome in this paper. Now-a-days most of the communication is preferred to do on mobile, this communication may contain normal talks, personal information or any other sensitive data. For this purpose the security implementation is very necessary. Security can be implemented in many ways like encryption and decryption of the messages, stegnography, hashing etc. In the face of widespread Internet surveillance, we need a secure and practical means of talking to each other from our phones and computers. Many companies offer -secure messaging‖ products-but are these systems actually secure? Is your communication encrypted in transit? Is your communication encrypted with a key the provider doesn't have access to? Can you independently verify your correspondent's identity? Are past communications secured if your keys are stolen? Is the previous database centralized? And many such questions arise when you use the chatting application. This paper provides solution to the above questions in a more prominent manner.

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Designing of Cryptography Based Security System for Cloud Computing

Cited by 17 publications

References 12 publications

Implementasi Algoritma Reversed Vigenere Encryption pada Pengamanan Citra

Implementasi Algoritma Reversed Vigenere Encryption pada Pengamanan Citra

Survey on Data Classification and Data Encryption Techniques Used in Cloud Computing

Cloud Based Location and Message Sharing System

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