IRJET- Cloud Computing with Encryption
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This document discusses using encryption to securely store data in the cloud. It focuses on implementing the Advanced Encryption Standard (AES) algorithm to encrypt data before uploading it to a cloud server. AES is a strong encryption standard that has not been practically cracked. The project aims to create a website that allows users to register, upload encrypted files to the cloud, download and decrypt files using a password, and perform basic calculations on data files. Administrators can view users and files. By encrypting data with AES before storage, the project aims to address security and privacy concerns of cloud computing.
![International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 06 Issue: 04 | Apr 2019 www.irjet.net p-ISSN: 2395-0072
© 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 5123
before it gets stored on cloud. AES is a very popular and
widely adopted encryption algorithm. AES is faster than
triple des algorithm and more secure than des algorithm.
AES is based on substitution-permutation network and is a
Iterative cipher. Unlike DES, the number of rounds in AES is
variable and it has 10 rounds for 128-bit keys, 12 rounds for
192-bit keys and 14 rounds for 256-bitkeys. Each roundhas
four sub-processes. AES has built-in flexibility of key length.
The AES security is assured only if it is correctly
implemented. AES is a subset of the Rijndael block cipher
developed by two Belgian cryptographers, Vincent Rijmen
and Joan Daemen. In Advanced encryption standard
algorithm the same key is used for both encryption and
decryption. Advanced encryption standard algorithm has
Software implementable in C and Java. AES performs all its
computations on bytes rather than bits. AES treats the 128
bits ofa plaintext block as 16 bytes. The sub-processesinthe
rounds of advanced encryption standard algorithmare Byte
Substitution, Shiftrows, MixColumns and Addroundkey.The
process of decryption of an AES ciphertext is similar to the
encryption process in the reverse order.
4. CONCLUSIONS
This project works on the concept of cloud computing and
data security using AES encryption technique. This project
aims to feature the basic services provided by cloud
computing and to encourage users to use this growing
technology. Using aes encryption storage of data on cloud is
made extremely secure. No practical cryptanalysis attack
against AES encryption has not been discovered yet which
makes AES encryption extremely secure.
Cloud computing poses privacy concerns and these privacy
concerns are easily handled using advanced encryption
standard algorithm.
REFERENCES
[1] http://www.thoughtsoncloud.com/2014/03/a-brief-
history-of-cloud-computing/.
[2] http://www.thoughtsoncloud.com/2014/03/a-brief-
history-of-cloud-computing/.
[3] http://www.thoughtsoncloud.com/2014/03/a-brief-
history-of-cloud-computing/.](https://image.slidesharecdn.com/irjet-v6i41097-190727100618/85/IRJET-Cloud-Computing-with-Encryption-2-320.jpg)
IRJET- Cloud Computing with Encryption
- 1. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 04 | Apr 2019 www.irjet.net p-ISSN: 2395-0072 © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 5122 CLOUD COMPUTING WITH ENCRYPTION Vishu aggarwal1, Vaibhav kumar2,Nitin rawat3,Ashwani saini4,Sanjeev dhewa5, Asst prof Ms.ashu jain6 1,2,3,4B.Tech Student, Dept. of Information Technology, Dr. Akilesh Das Gupta Institute of Technology and Management Delhi 5Mentor: Assistant Professor Ms. Ashu jain, Dept. of Information Technology, Dr. Akhilesh Das Gupta Institute of Technology and Management, Delhi-110053 ---------------------------------------------------------------------***--------------------------------------------------------------------- Abstract - The aim of this project is provide some services provided by cloud computing to store data at a local level. Cloud computing has become one of the most widely used technologies these days but there are many security issues involved with cloud computing. There are also many privacy issues involved with cloud computing. These security issues and privacy issues are handled by encrypting the data to be stored on the cloud using advanced encryption standard algorithm. Advanced encryption standard is a very strong encryption algorithm and no practical cryptanalysis attack against advanced encryption standard algorithm has not been discovered yet which makes it suitable to encrypt the data to be stored on the cloud. KeyWords: Encryption,Decryption,AES,Cloud,Cryptanalysis 1.INTRODUCTION Cloud computing is the on demand availability of computer resources, especially data storage and computing power. The term Cloud refers to a Network or Internet. The concept of Cloud Computing came into existence in the year 1950. Cloud Computing is highly cost effective and offers on- demand self-service. Cloud Computing offers online development and deployment tools. cloud-computing providers offer their "services" accordingtodifferentmodels of cloud computing. Theses three different models are Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). Cloud computing does not require to install a software to accessormanipulate cloud. IaaS provides access to fundamental resources, PaaS provides the runtime environment for applications, SaaS allows to use softwareapplications as a service toend-users. Cloud Computing also offers loadbalancing. Thepubliccloud allows systems and services to be accessible to the general public. Security in cloud computing is one of the major concern. Data has to be first encrypted before storing it to server. Cloud Security Alliance (CSA)stack modeldefinesthe boundaries between each service model. 2. ENCRYPTION AND CLOUD COMPUTING In our project we have planned to implement the idea of storing data on a server securely. Data is first encrypted and then stored on a server. When a person wants to download the data from the server he first has to decrypt the data and then downloadit. A password is used to decryptand encrypt a data. In this project we have created a website. Our project has two main modules one is user module and other one is admin module. The user module has options for registering a user , login, view profile ,upload file , download file , calculation module for data file , upload data using aes encryption. The admin module has options for view user , view file and modify user. Using AES encryption makes data storage on server very secure hence the name given to the project is secure data storage on cloud. using this software storage on cloud becomes very secure and less prone to attackers. The objective of the project is to create a technology that can make storage on cloud secure and for that we have used aes encryptionfor storing data oncloud. Thewebsitewillbevery simple to use and will be created using html. Coding for encryption will be done using java. When user downloads a file he has to provide a key which is used for decrypting the file . Cloud computing posses many security and privacy concerns thatcanbe handledonly by usingsomeappropriate encryption technique. The service provider can access the data in the cloud at any time and he can also accidently alter the data thus an ggod encryption is necessary in cloud computing. Many issues involved in cloud computing easily gets solved by encrypting the data using a good encryption technique. Alsoall the data is transferred usingInternet,data security is a major concern in the cloud and only a good and strong encryption technique can provide data security. 3. AES ENCRYPTION The encryption used in this software is AES encryption. No Practical cryptanalysisattackagainst AESencryptionhasnot been discovered yet. As no practical cryptanalysis attack against AES has not been discovered yet attacker cannot decrypt a file encoded usingaes.There is a very hugeneedof security in storing data on cloud as the data stored on cloud gets out of control of user and aes easily secures the data
- 2. International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 06 Issue: 04 | Apr 2019 www.irjet.net p-ISSN: 2395-0072 © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 5123 before it gets stored on cloud. AES is a very popular and widely adopted encryption algorithm. AES is faster than triple des algorithm and more secure than des algorithm. AES is based on substitution-permutation network and is a Iterative cipher. Unlike DES, the number of rounds in AES is variable and it has 10 rounds for 128-bit keys, 12 rounds for 192-bit keys and 14 rounds for 256-bitkeys. Each roundhas four sub-processes. AES has built-in flexibility of key length. The AES security is assured only if it is correctly implemented. AES is a subset of the Rijndael block cipher developed by two Belgian cryptographers, Vincent Rijmen and Joan Daemen. In Advanced encryption standard algorithm the same key is used for both encryption and decryption. Advanced encryption standard algorithm has Software implementable in C and Java. AES performs all its computations on bytes rather than bits. AES treats the 128 bits ofa plaintext block as 16 bytes. The sub-processesinthe rounds of advanced encryption standard algorithmare Byte Substitution, Shiftrows, MixColumns and Addroundkey.The process of decryption of an AES ciphertext is similar to the encryption process in the reverse order. 4. CONCLUSIONS This project works on the concept of cloud computing and data security using AES encryption technique. This project aims to feature the basic services provided by cloud computing and to encourage users to use this growing technology. Using aes encryption storage of data on cloud is made extremely secure. No practical cryptanalysis attack against AES encryption has not been discovered yet which makes AES encryption extremely secure. Cloud computing poses privacy concerns and these privacy concerns are easily handled using advanced encryption standard algorithm. REFERENCES [1] http://www.thoughtsoncloud.com/2014/03/a-brief- history-of-cloud-computing/. [2] http://www.thoughtsoncloud.com/2014/03/a-brief- history-of-cloud-computing/. [3] http://www.thoughtsoncloud.com/2014/03/a-brief- history-of-cloud-computing/.