SECRY - Secure file storage on cloud using hybrid cryptographyALIN BABU
Final project presentation of Final year B.tech CSE Project APJ Abdul Kalam Technological University.
About the project
Cloud computing has now become a major trend, it is a new data hosting technology that is very popular in recent years. In this project, we are developing an web application that can securely store the files to a cloud server. We proposes a system that uses hybrid cryptography technique to securely store the data in cloud. The hybrid approach when deployed in cloud environment makes the remote server more secure and thus, helps the users to fetch more trust of their data in the cloud. For data security and privacy protection issues, the fundamental challenge of separation of sensitive data and access control is fulfilled. Cryptography technique translates original data into unreadable format. This technique uses keys for translate data into unreadable form. So only authorized person can access data from cloud server.
We provide a cloud storage that uses multiple crypotraphic technique which is known by hybrid cryptography. The product provides confidentiality by using security for both upload and download. The data will be secured since we use multi level security techniques and multiple servers for storage.
SECRY - Secure file storage on cloud using hybrid cryptographyALIN BABU
Final project presentation of Final year B.tech CSE Project APJ Abdul Kalam Technological University.
About the project
Cloud computing has now become a major trend, it is a new data hosting technology that is very popular in recent years. In this project, we are developing an web application that can securely store the files to a cloud server. We proposes a system that uses hybrid cryptography technique to securely store the data in cloud. The hybrid approach when deployed in cloud environment makes the remote server more secure and thus, helps the users to fetch more trust of their data in the cloud. For data security and privacy protection issues, the fundamental challenge of separation of sensitive data and access control is fulfilled. Cryptography technique translates original data into unreadable format. This technique uses keys for translate data into unreadable form. So only authorized person can access data from cloud server.
We provide a cloud storage that uses multiple crypotraphic technique which is known by hybrid cryptography. The product provides confidentiality by using security for both upload and download. The data will be secured since we use multi level security techniques and multiple servers for storage.
Security+ Guide to Network Security Fundamentals, 3rd Edition, by Mark Ciampa
Knowledge and skills required for Network Administrators and Information Technology professionals to be aware of security vulnerabilities, to implement security measures, to analyze an existing network environment in consideration of known security threats or risks, to defend against attacks or viruses, and to ensure data privacy and integrity. Terminology and procedures for implementation and configuration of security, including access control, authorization, encryption, packet filters, firewalls, and Virtual Private Networks (VPNs).
CNIT 120: Network Security
http://samsclass.info/120/120_S09.shtml#lecture
Policy: http://samsclass.info/policy_use.htm
Many thanks to Sam Bowne for allowing to publish these presentations.
https://mloey.github.io/courses/security2017.html
We will discuss the following: Cryptography, Computer Security, OSI Security Architecture, Security Structure Scheme, Key Properties, Symmetric Encryption, Asymmetric Encryption, finally Our Book
FORE Solutions is the Chandigarh based best data security solutions provides an entire range of products for infrastructure security and keeping data protected from corruption and unauthorized access. For more details please visit our website www.foresolutions.net
In this presentation we have covered the topic Data Security from the subject of Information Security. Where Data, Data Security, Security, Security Policy, Tools to secure data, Security Overview (Availability, Integrity, Authenticity, Confidentiality), Some myths and Dimensions of System Security and Security Issues are discussed.
Tracking Emails: What is email tracking, What is need of email tracking, What are different ways to track email, What is level of security against that in free mail service provider like gmail, yahoo, hotmail and rediff.
Project consists of individual modules of encryption and decryption units. Standard T-DES algorithm is implemented. Presently working on to integrate DES with AES to develop stronger crypto algorithm and test the same against Side Channel Attacks and compare different algorithms.
Multi-factor authentication (or MFA) Learn all you need to know about what multi-factor authentication is, and why you need MFA to protect customer data.
https://bit.ly/3jowx1a
Security+ Guide to Network Security Fundamentals, 3rd Edition, by Mark Ciampa
Knowledge and skills required for Network Administrators and Information Technology professionals to be aware of security vulnerabilities, to implement security measures, to analyze an existing network environment in consideration of known security threats or risks, to defend against attacks or viruses, and to ensure data privacy and integrity. Terminology and procedures for implementation and configuration of security, including access control, authorization, encryption, packet filters, firewalls, and Virtual Private Networks (VPNs).
CNIT 120: Network Security
http://samsclass.info/120/120_S09.shtml#lecture
Policy: http://samsclass.info/policy_use.htm
Many thanks to Sam Bowne for allowing to publish these presentations.
https://mloey.github.io/courses/security2017.html
We will discuss the following: Cryptography, Computer Security, OSI Security Architecture, Security Structure Scheme, Key Properties, Symmetric Encryption, Asymmetric Encryption, finally Our Book
FORE Solutions is the Chandigarh based best data security solutions provides an entire range of products for infrastructure security and keeping data protected from corruption and unauthorized access. For more details please visit our website www.foresolutions.net
In this presentation we have covered the topic Data Security from the subject of Information Security. Where Data, Data Security, Security, Security Policy, Tools to secure data, Security Overview (Availability, Integrity, Authenticity, Confidentiality), Some myths and Dimensions of System Security and Security Issues are discussed.
Tracking Emails: What is email tracking, What is need of email tracking, What are different ways to track email, What is level of security against that in free mail service provider like gmail, yahoo, hotmail and rediff.
Project consists of individual modules of encryption and decryption units. Standard T-DES algorithm is implemented. Presently working on to integrate DES with AES to develop stronger crypto algorithm and test the same against Side Channel Attacks and compare different algorithms.
Multi-factor authentication (or MFA) Learn all you need to know about what multi-factor authentication is, and why you need MFA to protect customer data.
https://bit.ly/3jowx1a
Types of File Systems
How does the file system handle security?
Attacks on the file system
How does the file system ensure data integrity?
A file system is an abstraction to store, retrieve and update a set of files. The term also identifies the data structures specified by some of those abstractions, which are designed to organize multiple files as a single stream of bytes. responsible for organizing files and directories, and keeping track of which areas of the media belong to which file and which are not being used.
عمار عبد الكريم صاحب مبارك
AmmAr Abdualkareem sahib mobark
Cryptographic Algorithms For Secure Data CommunicationCSCJournals
Personal privacy is of utmost importance in the global networked world. One of the best tools to help people safeguard their personal information is the use of cryptography. In this paper we present new cryptographic algorithms that employ the use of asymmetric keys. The proposed algorithms encipher message into nonlinear equations using public key and decipher by the intended party using private key. If a third party intercepted the message, it will be difficult to decipher it due to the multilevel ciphers of the proposed application.
A comparative study of symmetric key algorithm des, aes and blowfish for vide...pankaj kumari
Cryptography means storing and transmitting data or information in a particular form that allow to be kept secret.
Symmetric key cryptography:- Both sender and receiver share the secret key.The symmetric key is kept private.both parties use the same key for encryption and decryption.
Asymmetric key cryptography:- Asymmetric key cryptography uses public or private key for encryption and decryption.Public key is kept by publically and private is kept secret.sender use the public key to send message and receiver use the private or secret key to decrypt the message.
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In software engineering, the right architecture is essential for robust, scalable platforms. Wix has undergone a pivotal shift from event sourcing to a CRUD-based model for its microservices. This talk will chart the course of this pivotal journey.
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Participants will gain valuable insights into Wix's strategies for ensuring atomicity in database updates and event production, as well as caching, materialization, and performance optimization techniques within a distributed system.
Join us to discover how Wix has mastered the art of balancing simplicity and extensibility, and learn how the re-adoption of the modest CRUD has turbocharged their development velocity, resilience, and scalability in a high-growth environment.
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Cyaniclab : Software Development Agency Portfolio.pdfCyanic lab
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Unleash Unlimited Potential with One-Time Purchase
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Into the Box Keynote Day 2: Unveiling amazing updates and announcements for modern CFML developers! Get ready for exciting releases and updates on Ortus tools and products. Stay tuned for cutting-edge innovations designed to boost your productivity.
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Key principles of platformless, including API-first, cloud-native middleware, platform engineering, and developer experience.
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2. Why Cryptography ?
We all know that now a day this is the world of information technology and
almost everyone have to communicate with each other. Most of the time this
communication occurs on the network. During the communication of data it
may be possible that the data we are sending or receiving can be hacked or
edited by someone. The data we are communicating may be bank a/c number,
passwords or some important files etc. To protect the data from this type of
unwanted things “Cryptography” is very useful.
3. This project is all about providing security while communicating any data on
the network between two or many user. We are going to discuss about the main
ciphers used in Cryptography in this project.
There are various techniques of encryption and decryption which are used in
this project such as
Shift or Substitution cipher
Monoalphabetic cipher
Playfair cipher
Vegenere cipher
Within the context of application-to-application communication, there are some
specific security requirements, including:
Authentication
Privacy/Confidentiality
Integrity
Non-repudiation
4. Cryptography, then not only protect data from theft or alteration, but
can also be used for user authentication.
There are, in general two types of Cryptographic schemes typically
used to accomplish these goal:
(1) Private–key ( or symmetric ) cryptography
(2) Public-Key ( or asymmetric ) cryptography
In all the cases,
The initial unencrypted data is referred to as “plaintext”.
The encrypted data is referred to as “cipher text”.
(which will in turn (usually) be decrypted into usable plaintext)
5. 1. Introduction
1.1 Introduction to Cryptography
1.2 Types of Cryptographic Algorithm
1.2.1 Secret key Cryptography
1.2.2 Public Key Cryptography
1.2.3 Hash Function
2. Purpose
3. Objective
4. System Specification
Hardware
Software
5. Future Scope
6. Conclusion
6. Introduction
The word cryptography or cryptology comes from an Ancient Greek. The word
cryptology is made of two components ”crypto”, which means hidden or secret
and “logos” which means word. It is a Science of writing in secret code.
Cryptography is the study of techniques for secure communication.
There are two important concepts of cryptography, first one is Encryption &
the second one is Decryption. Encryption is the process in which the plain text
is changed into cipher Text & decryption is just reverse process of encryption
that means cipher text is changed into plain text. There are various techniques
of Encryption & Decryption which are used in this project such as Shift Cipher,
Playfair Cipher, Monoalphabetic Cipher, Vanier Cipher.
We use the term cryptography to refer to the science and art for transforming
message to make them secure from attacks.
7. The original message before being transformed is called ”Plaintext”. After the message
is transformed is called ”Ciphertext”. An encryption algorithm transform the Plaintext
into Ciphertext & a decryption algorithm transforms the Ciphertext back into Plaintext.
Encryption Decryption
#%GIUYRWKMN,S:{?
Hello World! Hello World!
( ciphertext )
( Plaintext ) ( Plaintext )
( Shared Secret Key )
8. Objective
1 . To d e v e l o p a s o f t w a r e i n w h i c h w e w i l l i n p u t :
i ) F i l e s
i i ) M e s s a g e s
a n d w e w i l l g e t e n c r y p t e d f i l e s o r m e s s a g e s .
2 . T h e e n c r y p t e d i n f o r m a t i o n c a n b e u s e d i n t h e n e t w o r k
( l o c a l o r i n t e r n e t ) i n a s a f e a n d s e c u r e d w a y
3 . T h e s o f t w a r e c a n a l s o b e u s e d t o d e c r y p t t h e e n c r y p t e d d a t a
i n t h e o r i g i n a l f o r m
4 . U s e r w i l l b e a b l e t o u s e t h e i r o w n k e y s t o e n c r y p t t h e d a t a .
9. SYSTEM SPECIFICATION
SOFTWARE REQUIREMENTS :
OPERATING SYSTEM : WINDOWS XP / 7
FRONT END : C#.net
BACK END : SQL Server
HARDWARE REQUIREMENTS :
Processor : Pentium IV & above
Processor Speed : 1 G Hz
RAM : 2 GB
Hard Disc : 10 GB
15. TYPES OF CRYPTOGRAPHIC ALGORITHMS
There are several ways of classifying cryptographic algorithm.
Defined by their application and use. The three types of algorithms that will be
discussed are as follows.
1. Secret key Cryptography(SKC)
2. Public Key cryptography(PKC)
3. Hash Function
16. SECRET KEY (SKC)
Single key used to encrypt and decrypt .
Key must be known by both parties.
Encrypt Decrypt
S a m e K e y i s u s e d t o
E n c r y p t a n d D e c r y p t d a t a
Sender
Recipient
Shared Secret
Key
Plaintext Ciphertext Plaintext
17. PUBLIC KEY (PKC)
Two different keys are used in this cryptography
One key is used for encryption & other for decryption
Encrypt Decrypt
D i f f e r e n t K e y s a r e u s e d t o
E n c r y p t a n d D e c r y p t d a t a
Sender
Recipient
Recipient Public
Key
Recipient Private
Key
Plaintext Ciphertext Plaintext
18. HASH FUNCTION
Hash is a function which is used to compress the string.
The input in the hash function is known as “Message” and
output is called “Digest”.
Hash functions have four main properties :
It is easy to compute the hash value for any given message.
It is infeasible to generate a message from its hash.
It is infeasible to modify a message without changing the hash.
It is infeasible to find two different message with the same hash.
Message
( variable size )
H
A
S
H
Digest
( fixed size )
19. Our project(system) can do the cryptography by
encrypting and decrypting data. We are dependent
on other mailing systems Like – gmail, yahoo etc for
information transfer.
In future we can add the information transfer
module so that after encryption users can transfer
informationbythesamesoftware.
Future scope
20. Finally, we can say that in this
project development we have
learnt a lot and during the process
we will get the chance to explore
cryptography and the concepts
involved.
CONCLUSION