Privacy Preservation in cloud Environment using AES Algorithm

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 09 Issue: 04 | Apr 2022 www.irjet.net p-ISSN: 2395-0072
© 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 243
Privacy Preservation in cloud Environment using AES Algorithm
Akash Kumar1, Dr. Bhuvana J2
1MCA, School of Computer Science & IT, Jain University, Bangalore, India.
2Professor, School of Computer Science & IT, Jain University, Bangalore, India.
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Abstract - This paper aims to develop cloud-based data
describing components that allow data encryption and
encryption. users can use this cloud-based web application
whenever they feel uncomfortable in their lives and try to
ignore it.
The purpose of this paper is to provide Data Security which
will be uploaded by the owner in encrypted format and later
converted to encrypted form. In this paper, we consider
encryption with a file system in which multiple dataproviders
such as hospitals and physicians are authorized by individual
records to upload their data to a trusted public cloud. User
data is sent in encrypted form to ensure data security, and
each data provider also sends encrypted data references to
enable queries to encrypted data. We are proposing an
Algorithm so that with the help of this algorithm we can
encrypt and decrypt data .The Algorithm we useinourproject
is the AES (Advanced Encryption Standard) Algorithmsothat
we can encrypt the data and it will be stored in cloud.
Key Words: AWS, Cloud Based, CSS, Database, Html, AES,
JavaScript, MySQL.
1. INTRODUCTION
New revolving technologies in hardware,
middleware, virtual machine and distributed systems are
needed to meet growing knowledge needs. Such technology
should meet the needs of all types of clients fromindividuals
and organizations. All services can be provided via cloud
computing as they provide platform, infrastructure and
software as a service using the technologies mentioned
above. This is a payment model as you go. As these
technologies require resources, network, hardware and
virtualization on a larger scale than the integration of all
technical issues leads to a complete loop of systems. Among
all the problems related to cloudcomputingwefocusonuser
privacy issues so that data is stored securely and data is
secure. Cloud computing emerges as a paradigm for new
computers and other business data protection platforms.
Most of the data will be stored in the cloud after encryption
so that data can be accessed anywhere and anytime without
data cuts. Introducing the cloud services that will be
provided for data storage in data storage is not just an issue.
planning for tedious infrastructure management activities
and reducing development costs and maintaining them.
However, keeping user privacy concerns should be
considered important when designing security and privacy
guidelines because there is a potential for misuse of data.
Various methods have been used to protect data security in
the cloud environment. This study aims to integrate the
complex cloud protection systems used in the cloud. In
addition, critical encryption methods are classified as
encryption and writing methods, and are assigned to the
sub-categories. Additionally, the strengths and weaknesses
of the provided methods are reported and other open issues
are reported.
2. RELATED WORK
[1] This paper introduces a review on the use of the
AES Algorithm AES block cipher. The key size can be
128/192/256 bits. Encrypts data in 128-bit blocks each.
That means it takes 128 bits as input and extends 128 bits of
encrypted cipher text as output. AES relies on the network-
licensed exchange policy which means it is performed using
a series of linked functions that include retrieving and
pushing input data. A set of AES commands are now
integrated with the CPU (provides GB / s output) toimprove
the speed and security of applications that use AES
encryption and decryption. Although it has been 20 years
since its launch we have failed to break the AES algorithm as
it does not even happen with current technology. So far the
only risk left is the use of the algorithm.
[2] The tendency to use data for coding and writing is
very good, because the file is rich in information, and the
data becomes a necessity. The use of informationtechnology
allows automated data extraction processes that will be
used for the data acquisition of interesting and common
information, which means the completion of manual work
and the easy retrieval of data directly into electronic data
maintenance. They need to be collected and stored in an
orderly fashion, and their integration enables them to focus
on the hospital's information system. It offers many
opportunities to detect hidden patterns from this data.
[3] Java is based on the C ++ syntax, and is intended to be
a java-based Structure between translated and integrated
language. Java compiler into Byte Codes,secureandportable
on all different platforms, including Java applications. These
byte codes are actually commands compiled in one form, in
what is known as a virtual java (JVM)machine,whichresides
in a standard browser. JVM is available on almost all OS. JVM
converts these byte codes into precise machine commands
during operation. Java is actually a three-component forum:
Java programming language, Java classroom library and
workspaces., Java Virtual Machine. Java is a simpletocode.It
does not use references, overload function etc., Java is an

object-orientedlanguageandsupports encapsulation,legacy,
Polymorphism and strong binding, but does not support
multiple legacy. Everything in java is an object exceptforthe
old data types. Java is portable. It is a structural neutrality
which means that the java programs when combined can be
used on any enabled machine. Java is distributed in its own
way and used for editing Internetapplications. Java isstrong,
secure, efficient and environmentally friendly.Java supports
multiple readings. So the different parts of Java are a simple
language. It does not use references, overload function etc.,
Java is an object-oriented language and supports
encapsulation,legacy,Polymorphismandstrongbinding, but
does not support multiple legacy. Everything in java is an
object except for the old data types.Javies is portable.It is a
structural neutrality which means that the java programs
when combined can be used on any enabled machine. Java is
distributed in its own way and used for editing Internet
applications. Java is strong, secure, efficient and
environmentally friendly. Java supports multiple readings.
So different parts of the system can be done simultaneously.
[4] In an attempt to set up a standard Java Database API;
Sun Microsystemshasdeveloped Java DatabaseConnectivity,
or JDBC. JDBC provides a standardSQL databaseaccesspoint
that provides a consistent interface for various RDBMS.This
consistent interaction is achieved through the use of the
“plug-in” website, or drivers. If the database vendor wishes
to receive JDBC support, he or she must provide the host of
each domain a website and Java operating system. For
broader JDBC acceptance, Sun is based on the JDBC
framework at ODBC. As you found out at the beginning of
this chapter, ODBC has extensive support for various
platforms. Basing JDBC at ODBC will allow marketers to
bring JDBC drivers to market faster than building a new
communication solution. Java Database Connectivity(JDBC)
is a Java-based programming interface (API) for
programming language, which explains how a client can
access a website. It is a Java-based data access technology
used to communicate on a Java website. It is function of the
Java Standard Edition platform , from Oracle Corporation.
Provides query and information retrieval services on the
website, and is directed to related archives. The JDBC-to-
ODBC bridge enables you to connect to any ODBC-accessible
data source in the Java virtual machine (JVM) machine.
[5] URLs and URL Links provide a high-quality way to
access online resources. Sometimes your plans requirepoor
network connectivity, for example, if you want to write a
client server application.
In client server applications, the server providescertain
services, such as processing web queries or sending current
stock prices. The client uses a serviceprovidedbytheserver,
either displays the results of the site query to the user or
makes stock purchase recommendations from the investor.
The communication that takes place between the client and
the server must be reliable. That is, no data can be dropped
and it should reach the client side in the samewaytheserver
sent it. TCP provides a reliable, point-to-point
communication channel that is an online client-server
application that uses to communicate with each other. To
communicate via TCP, the client system and server system
establish another connection. Each system binds the socket
to the end of its connection. For communication, each client
and server reads and writes to the socket tied to the
connection.
[6] One of the newest features of java packages.
Packages for both composing and visibility control methods
can define classes within a package that is not accessible by
code outside the package. It can define class members that
are only displayed to other members of the same package.
Java uses file system indexes to store packages. For example
.class files for any classes that you mentioned are part of My
Package should be stored in a directory called My Package ,
of your java development system. For example a package is
advertised as a package java.awt.image; needsto besaved to
java awt image instead of windows.
[7] The java package,java.langcontainsbasicclasses
and close interactions close to the time system used which
includes the root sections that make up the category, the
types bound to the language definition, basic variables,
mathematical functions, configurations, security functions
and other system information native less. Integrated data
structures are the core of the Java.util package package API
clusters and data structure sequences that are most
influenced by design pattern considerations. Provides class
and interactiveframework interactions.Includesclassesthat
use a flexible, well-refined access control system. Packages
also support generation and storage of cryptographicpublic
key pairs. Ultimately this package provides classes that
support signed / supervised items and protects against
random number production.
[8] Swing is a Java widget toolkit. It is part of the Sun
Microsystems Java foundation class-API to provide visual
user experience forJava applications.Swingwasupgradedto
provide a more complex set of GUI components than an
invisible window toolkit. Swings provide a traditional look
and feel that mimics the look and feel of several looks and
feel unrelated to the basic platform. Swings hasintroduceda
method that allows the look and feel of every part of the app
to be changed without making major changes to the app
code. The introduction of connected visual and emotional
support allows the swing parts to mimic the appearance of
the native parts while maintaining the benefits of a stand-
alone stand. The above feature also makes it easy to make
the rounded app look very different from the traditional
programs if necessary.
3. ANALYSIS AND INTERPRETATION
In our paper, here we store the file in order toupload
that data effectively for the user's recording system. Cloud
provides us with flexible features, using a computer cloud is

essential in helping businesses and individuals identify and
deliver the promise of digital change.
System design is the process of defining structure,
components, modules, work areas and system data to meet
specific needs. One can see it as the application of
programming theory to product development.Thereisa mix
of system analysis, system design and system engineering. If
the broader theme of product development "combines the
idea of marketing, design, and production into a single
product development product," that will be design is the act
of taking market knowledge and creating the design of the
produce for the later so that it can be produced for the
System to design is therefore a process of defining and
developing systems to meet specific needs of the user /
Customer.
Using HTML, cascade, and java script we can create
our own interactive app, and we can usethelopingfeature in
HTML language because we can use long slide code or any
module we have to repeat. MySQL language provides data
storage on the website.
The final user flow of my model will be done by the
covering i.e., user / customer. Here the owner can upload
the files in encrypted format so that data cannot be seen by
others users and they will be deleted from encrypted users.
Fig:1- A working model
Data will flow as the owner begins to upload the file to
the cloud in encryptedformatwhereauthorization questions
will be collected. Later that data will be provided to
hospitals, Cell Phones.
4. IMPLEMENTATION
This section describes how we process data and
algorithms for efficient data retention with the help of
encryption and decryption. It also analyzes opportunities
related to the use of user data
4.1 Data Division
First, we must remember that AES is a block cipher. Unlike
broadcast ciphers, it encrypts data in bit blocks instead of
bit-by-bit. Each block contains a 16-bit column in a four-
dimensional structure. Since one byte contains8 bits,weget
a 128-bit block size (16x8 = 128) .So, the first step for AES
encryption separates blank text (encoded text) into these
blocks.
Fig:2- working of AES Alogrithm
Add Rotate Key, Transfers block data stored in state system
using XOR function with the first key generated (K0). Passes
state result system as input in the next step. The AES
Encryption algorithm(alsoknownastheRijndael algorithm)
is a symmetric block cipher algorithm with a block size /
chunk of 128 bits. It converts these individual blocks using
the keys 128, 192, and 256 bits. When encrypting these
blocks, they combine them together to form a ciphertext
text.It is based on an exchange-permission network, also
known as the SP network. Contains a series of linked
functions, which include replacement input (output) and
other features that include slower (permissions).
4.1.1 Add round key
Transfers the block data stored in the state system using the
XOR function with the first key generated (K0). Passes state
result system as input in the next step.
4.1.2 Sub – bytes
In this step, it converts each plot of land system into a
hexadecimal, divided into two equal parts. These sections
are rows and columns, mapped with a replacement box (S-
Box) to produce new values for the final state plan.
Fig.3. Sub-Bytes

1) 4.1.3 Shift Rows
2) It exchanges the elements of the row between each
other. Skip the first line. It moves the elements to the second
row, one area to the left. It also shifts elementsfromthethird
row in two consecutive positions to the left, and shifts the
last three vertical lines to the left.
3) 4.1.4 Mix Columns
Repeats the unmodified matrix for each column in the
region system to get a new column for the same similar
district members. Once all the columns have been repeated
with the same constant matrix, you get your next step plan.
This particular step should not be performed in the final
round.
4.1.5 Add Round Key
The appropriate round key says XOR’d and state array are
located in the previous step. If this is the last cycle, the
resulting state system becomestheciphertextofa particular
block; if not, it goes as far as the inclusion of a new regional
plan for the next step that is round.
4.1.6 Encryption scheme:
In order to reduce the calculation load on the user side,
the computer function must be on the server side, so we
need an encryption system to ensure simultaneous
operation and security on the server side. Homomorphic
encryption allows certain types of calculations tobemadein
the corresponding cipher text. The result is a cipher text of
the result of the same operations performed on a blank text.
That is, homomorphic encryption allows the cipher text
calculation without knowing anything about the explicittext
to get the correct encrypted result. Despite its excellent
location, the first fully homomorphic encryption scheme,
which uses the appropriate lettuce over thepolynomial ring,
is very complex and inefficient for use. Fortunately, due to
the use of the vector space model in high-return, only the
functions of adding and multiplying by the total values are
required to calculate the related points from the encrypted
index search. Therefore, we can reduce the original
homomorphism in a complete way into a simplified form
that only supports complete functionality, allowing for
greater efficiency than that of the full data.
4) 4.2 Classification
The most powerful methods of analyzing recurring block
ciphers such as Data Encryption Standard (DES) are attacks
aimed at exposing small circular keys. These methods
include dierential and linear cryptanalysis.Inthisregard, the
authors introduced a new classificationsystemforrepetitive
block ciphers based on their critical schedules. In short, this
program creates two phases of ciphers basedonthefactthat
the information of the circular subkey generated by the key
system displays any information about other circular
subkeys or key.
5) 4.3 Clustering
Integration is a file system that requirestheidentification
of related data to be encrypted and extracted. It relies on a
visual approach that reflects the distribution of data to
people in order to understand it. Data will be sent to their
phones so that data can be easily accessed anywhere.
6) 4.4 Outlier detection
External discovery or confusing discovery involves looking
at data objects in a data set of any confusion that is not
consistent with certain behaviors.
7) 4.5 Sequential Pattern
A sequential pattern is a method that focuses on finding
similar patterns in data activity over time.Thisapplicationis
useful for revealing periodic data deviations.
8) 4.6 Association Rules
Organizational rules are statistical related data uploaded to
the cloud. That data will be displayed on mobile phones and
will be stored in the cloud and can be accessed later.
With Data to Encrypt and Delete Encryption, there is an AES
algorithm to consider. Each method in the algorithm will
eventually produce results among each other andwiththese
results, it is used to determine the efficiency and accuracy of
the system.
5. RESULTS AND DISCUSSION
While vulnerabilities regarding the confidentiality of data
outsourced to the cloud can easily be addressed through the
adoption of industry standard encryption technologies, the
creation of complex machine readable access rights to the
decryption keys becomes a challenging problem. Thesyntax
of XML-based rights expressions is complicatedandobscure
when the user-related conditions becomesophisticated.The
functionality of being able to handle a wide variety of
possible access scenarios is typically built into any righs ex-
pression language, but it is often difficult to cleanly partition
out those subsets needed by a particular privacy preserving
application. How to efficiently generate rights expressions
reflecting the requirements of an organization and being
secure at the same time becomes a future challenge While
vulnerabilities regarding the confidentiality o data
decryption keys becomes a challenging problem. The syntax

possible access scenarios is typically built into any rights ex-
vulnerabilities regarding the conﬁdentiality of data
possible access scenarios is typically built into any right ex-
possible access scenarios is typically built into any rights ex
secure at the same time becomes a future challenge
This project aims to provide an easy-to-use data protection
system that will be provided to the customer so that data is
protected only when data is needed and we access the data.
In this case the user, owner, key manager will be created
where the owner will create a user profile where the
username and password will be taken later the key will be
generated and displayed and sent to the registration email
for encryption. Later that can be achieved and can be
downloaded by the user. When the user downloads the file
again a single key will be created so that the text will now be
encrypted. The software itself will onlyfitandbeinstalled on
PCs or can be distributed over the clouds to be accessible
anywhere.
Based on cloud data acquisition, Data will be encrypted for
security purposes to minimize data misuse, and it is done
with the help of the AES algorithm to become the most
efficient and accurate encryption algorithm.
Fig.4. AES SCENARIO

Fig.5. AES GRAPH
6. CONCLUSIONS
In this paper, we explore the problemofencryptingmultiple
choice queries in the cloud-based data encryption and
decryption field. Unlike previous functions, our MEIM
proposed method allows a certified data holder to access
secure, relevant, and effective query data for multiple data
providers. To address the practical question, we have
introduced MDBT as a data framework. In order to reduce
the productivity question of the data owner, and allow the
cloud server to ask securely, we recommend a novel
compilation system for mass storage. To make our model
more efficient, we propose a very sophisticated symmetric
encryption system to satisfy a statisticallyvalidquestion. In
addition, we use strong security evidence to prove that our
systems are secure. Finally, we demonstrate that the MEIM
method works very well on computers by using our
schemes and operating on virtual storage.
Although our work only focuses on Encrypting and
clearing data system encryption, it can be expanded by
looking at various scenarios, mobile data collection,
recommendation system, and so on. However, devices, such
as cell phones, have limited memory and memory function.
In all of this, we will discuss less expensive schemes in our
future work.
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