File transfer using cryptography techniques
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The document discusses implementing IT auditing mechanisms for cloud computing applications to ensure security. It proposes using checklists based on cloud computing deployment and service models to audit the lifecycle of cloud applications like customer relationship management. The goal is to present implications for large enterprises and achieve desired security levels by designing and implementing IT auditing techniques. Practical investigations show IT auditing can assure security, regulations, and compliance for enterprise applications in the cloud.
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A Secure Data Communication System Using Cryptography and Steganography
The information security has become one of the most significant problems in data communication. So it
becomes an inseparable part of data communication. In order to address this problem, cryptography and
steganography can be combined. This paper proposes a secure communication system. It employs
cryptographic algorithm together with steganography. The jointing of these techniques provides a robust
and strong communication system that able to withstand against attackers. In this paper, the filter bank
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After that, a discrete wavelet transforms (DWT) based steganography is employed to hide the encrypted
message in the cover image by modifying the wavelet coefficients. The performance of the proposed system
is evaluated using peak signal to noise ratio (PSNR) and histogram analysis. The simulation results show
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This document provides an overview and implementation details of an image and text encryption/decryption project using RSA encryption. It includes chapters on introduction/background, hardware/software specifications, feasibility study, preliminary design including ER diagram and data flow diagram, screen layouts, testing approach including white and black box testing, and implementation details of the modules. The implementation utilizes Java and generates RSA public/private key pairs to encrypt and decrypt text and images.
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This seminar report discusses symmetric key cryptography and proposes a new symmetric key algorithm. It begins with an introduction to cryptography and the importance of security. It then describes the two main types of cryptography: symmetric key and asymmetric key. Symmetric key cryptography uses a single key for both encryption and decryption, while asymmetric key uses different public and private keys. The report proposes a new symmetric key algorithm that uses simple steps of generating binary values, reversing numbers, dividing, and adding remainders and quotients. It claims this new algorithm is well-suited for encrypting small amounts of data in a cost-effective way. The report concludes the algorithm is simple but secure due to reverse operations, and the next step is developing a public
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One of the major problems faced by this digital world is Data Security. Data Security plays an important role in the field of information technology. As there are large advancements in internet technology, there has been huge text as well as multimedia data transfer over the internet. The communication channel available for data transfer from the transmitter to receiver is highly insecure. As the security of electronic data is a major issue and to achieve high security and confidentiality, the public and the private sectors use different kinds of techniques and methods to protect the data from unauthorized users. Cryptography and Steganography are the most popular and widely used technologies for security. Cryptography is the art of hiding information by encryption and steganography is a technique to hides data in the cover medium. Cryptography hides the readable and meaningful contents of the data. And the existence of the data is hidden by the Steganography technique.
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This document discusses image cryptography using the RSA algorithm. It begins with an abstract that provides an overview of encrypting images through a combination of RSA encryption and a 2-bit rotation mechanism. The document then reviews literature on modifications made to the original RSA algorithm. It discusses current applications of RSA, including uses in email encryption, cloud services, and digital signatures. The design architecture and working of the RSA algorithm are explained. The document concludes that image encryption using RSA is efficient and secure, though further research is needed to develop quantum-resistant encryption systems.
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becomes an inseparable part of data communication. In order to address this problem, cryptography and
steganography can be combined. This paper proposes a secure communication system. It employs
cryptographic algorithm together with steganography. The jointing of these techniques provides a robust
and strong communication system that able to withstand against attackers. In this paper, the filter bank
cipher is used to encrypt the secret text message, it provide high level of security, scalability and speed.
After that, a discrete wavelet transforms (DWT) based steganography is employed to hide the encrypted
message in the cover image by modifying the wavelet coefficients. The performance of the proposed system
is evaluated using peak signal to noise ratio (PSNR) and histogram analysis. The simulation results show
that, the proposed system provides high level of security.
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This seminar report discusses symmetric key cryptography and proposes a new symmetric key algorithm. It begins with an introduction to cryptography and the importance of security. It then describes the two main types of cryptography: symmetric key and asymmetric key. Symmetric key cryptography uses a single key for both encryption and decryption, while asymmetric key uses different public and private keys. The report proposes a new symmetric key algorithm that uses simple steps of generating binary values, reversing numbers, dividing, and adding remainders and quotients. It claims this new algorithm is well-suited for encrypting small amounts of data in a cost-effective way. The report concludes the algorithm is simple but secure due to reverse operations, and the next step is developing a public
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One of the major problems faced by this digital world is Data Security. Data Security plays an important role in the field of information technology. As there are large advancements in internet technology, there has been huge text as well as multimedia data transfer over the internet. The communication channel available for data transfer from the transmitter to receiver is highly insecure. As the security of electronic data is a major issue and to achieve high security and confidentiality, the public and the private sectors use different kinds of techniques and methods to protect the data from unauthorized users. Cryptography and Steganography are the most popular and widely used technologies for security. Cryptography is the art of hiding information by encryption and steganography is a technique to hides data in the cover medium. Cryptography hides the readable and meaningful contents of the data. And the existence of the data is hidden by the Steganography technique.
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Vtu network security(10 ec832) unit 2 notes..
UNIT - 2
SYMMETRIC CIPHERS: Symmetric Cipher Model, Substitution Techniques,
Transposition Techniques, Simplified DES, Data encryption standard (DES), The strength of
DES, Differential and Linear Cryptanalysis, Block Cipher Design Principles and Modes of
Operation, Evaluation Criteria for Advanced Encryption Standard, The AES Cipher.
A SURVEY ON RECENT APPROACHES COMBINING CRYPTOGRAPHY AND STEGANOGRAPHY
Digital communication witnesses a noticeable and continuous development in many
applications in the Internet. Hence, a secure communication sessions must be provided. The
security of data transmitted across a global network has turned into a key factor on the network
performance measures. Cryptography and steganography are two important techniques that are
used to provide network security. In this paper, we conduct a comparative study of
steganography and cryptography. We survey a number of methods combining cryptography and
steganography techniques in one system. Moreover, we present a classification of these
methods, and compare them in terms of the algorithm used for encryption, the steganography
technique and the file type used for covering the information.
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ijircee_Template
The document discusses secure data sharing in cloud storage using a key-aggregate cryptosystem (KAC) which allows efficient delegation of decryption rights for any set of ciphertexts. KAC produces constant size ciphertexts and allows any set of secret keys to be aggregated into a single key encompassing the power of the keys being aggregated. This aggregate key can then be sent to others for decryption of the ciphertext set while keeping files outside the set confidential.
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Bespoke Technique for Secret Messaging
This document proposes a technique for secret messaging that combines encryption and digital watermarking. It involves two algorithms:
1. AMEADT encrypts the secret message using ASCII values of the message and a key. The encrypted text is then embedded into a digital image.
2. AMEAET embeds the encrypted text by selecting pixel positions in the image according to the ASCII value of the key and replacing the pixel values with the encrypted text.
The document outlines the requirements, provides an overview of the proposed system, and describes an example of how the encryption, embedding, and extraction processes work. The goal is to improve secrecy in communications while maintaining a balance between algorithm complexity and security.
Cryptography and Network Lecture Notes
FellowBuddy.com is an innovative platform that brings students together to share notes, exam papers, study guides, project reports and presentation for upcoming exams.
We connect Students who have an understanding of course material with Students who need help.
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# Students can catch up on notes they missed because of an absence.
# Underachievers can find peer developed notes that break down lecture and study material in a way that they can understand
# Students can earn better grades, save time and study effectively
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This document analyzes and compares the performance of various cryptography algorithms. It discusses symmetric key algorithms like DES, AES, Blowfish and IDEA as well as asymmetric algorithms like RSA and Diffie-Hellman. The performance is evaluated based on parameters like encryption/decryption time, memory usage and throughput. Experiments show that Blowfish has better performance than AES for encrypting audio files, with lower average encryption and decryption times. In conclusion, cryptography is important for network security and Blowfish performs encryption/decryption more efficiently than AES for audio files.
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In today’s day and age when everything is done with the aid of computing technology, the need for confidential communication has drastically increased. Not only the sensitive data such as top intelligent secrets of our nation but personal information of common people needs to be secure. Several combinations of cryptography and steganography techniques in different ways are used by researchers over the past to protect the data being transmitted. Cryptography uses mathematical algorithms to convert the data into an incomprehensible form and Steganography, on the other hand hides the data in a carrier such as image, data, audio or video. Cryptography provides necessary mechanisms for providing accountability, accuracy and confidentiality in public communication mediums such as the Internet and steganography is used in other fields such as copyright, preventing e-document forging etc. We are of the opinion that this security mechanism can further be increased by incorporating the use of Huffman coding in order to reduce the data length. This paper is an effort in the direction to hide, secure and compress the data. It explains the executed procedure by applying various encryption techniques one by one and our aim is to get the best security out of the existing ones. The proposed technique is implemented in MATLAB2016a and the results shown in this paper that our technique is better approach then the conventional techniques.
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Mobile Ad hoc Network is a collection of wireless mobile nodes forming a network without
using any existing infrastructure. MANET is a collection of mobile nodes along with wireless
transmitter and receiver that with each other via a bi-directional links either directly or indirectly. A
new intrusion detection system named communicates Enhanced Adaptive Acknowledgment
(EAACK) specially designed for MANETs. It is based on the digital signature algorithm (DSA). To
enhance the security in the mobile adhoc networks, we introduce a new approach called Hybrid
cryptography algorithm that provides integrity, confidentiality and authentication. This hybrid
cryptography algorithm is based on two cryptography algorithms such as RSA and AES. Encryption is
achieved by using, RSA algorithm for authentication and symmetric algorithm for the integrity. By
using the symmetric and asymmetric cryptographic algorithm, we can achieve better security and
integrity than the EAACK
Different date block size using to evaluate the performance between different...
The different computer networks whether wired or wireless are becoming more popular with its high
security aspect. Different security algorithms and technique are using to avoid any aforementioned attacks.
One of these technique is a cryptography technique that makes the data as unreadable during the transfer
hence; there is no chance to reclaim the information. Presently, most of the users are using various media
types and internet to transfer the data but, it has the chance to retrieve the data by using these media types.
The perfect solution for this problem is to provide security on time-to-time basis; this stage is always
significant to the security related community discussions. This paper explains the comparison between the
run time of three different encryption algorithms which are DES, AES and Blowfish The compression
includes using different modes, data block size and different operation modes. As a result, Blowfish
algorithm followed by AES take less time for running compared to DES.
Adaptive Steganography Based Enhanced Cipher Hiding Technique for Secure Data...
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
Analysis of Cryptographic Algorithms for Network Security
This document discusses and analyzes various cryptographic algorithms used for network security. It begins with definitions of key cryptographic terms like plain text, cipher text, encryption, decryption, and keys. It then describes different types of cryptographic schemes, including symmetric, asymmetric, and hash functions. Specific algorithms are analyzed like DES, AES, RSA, and Diffie-Hellman. Factors to consider when selecting a cryptographic algorithm like speed, memory requirements, security needs, and data type are also discussed. Overall the document provides a comprehensive overview and comparison of cryptographic algorithms and their applications for network security.
Review on Encrypted Image with Hidden Data Using AES Algorithm
Steganography is the art of hiding the fact where communication is taking place, by hiding information in other information. Steganography becomes more important as more people join the cyberspace revolution. . In contrast to cryptography, it is not to keep others from knowing the hidden information but it is to keep others from thinking that the information even exists. Steganography include an array of secret communication methods that hide the message from being seen or discovered. Many different carrier file formats can be used, but digital images are the most popular because of their frequency on the internet. For hiding secret information in images, there exists a large variety of steganography techniques some are more complex than others and all of them have respective strong and weak points. Different applications may require absolute invisibility of the secret information, while others require a large secret message to be hidden. This project report intends to give an overview of image steganography, its uses and techniques. In addition to this our project also adds security to both the data hidden and the image that carries the information. Security is provided by Encrypting the data that is sent in the image and again encrypting the image that carries the information using AES algorithm. This encryption of the data and image thus provides double security layer.
A RSA- DWT Based Visual Cryptographic Steganogrphy Technique by Mohit Goel
1) The document presents a technique for visual cryptographic steganography that uses RSA encryption and discrete wavelet transform (DWT) for data security.
2) In the proposed method, data is first encrypted using RSA encryption and then embedded in an image using Haar-DWT based steganography.
3) Experimental results on 100 images show the proposed technique achieves higher PSNR values compared to other techniques like LSB and LSB-DCT steganography, indicating better image quality and security of the hidden data.
A Survey on Comparisons of Cryptographic Algorithms Using Certain Parameters ...
he Wireless Sensor Networks (WSNs) have spread its roots in almost every application. Owing to their scattered nature of sensor nodes, they are more prone to attacks. There are certain applications e.g. military, where sensor data‟s confidentiality requirement during transmission is essential. Cryptography has a vital role for achieving security in WSNs.WSN has resource constraints like memory size, processing speed and energy consumption which bounds the applicability of existing cryptographic algorithms for WSN. Any good security algorithms has higher energy consumption by the nodes, so it‟s a need to choose most energy-efficient cryptographic encryption algorithms for WSNs. This paper surveys different asymmetric algorithms such as RSA, Diffie-Hellman, DSA, ECC, hybrid and DNA cryptography. These algorithms are compared based on their key size, strength, weakness, attacks and possible countermeasures in the form of table.
Security services and mechanisms
This presentation describes about security goals, security services, security mechanisms and techniques
efficient authentication for mobile and pervasive computing
LOGIC SYSTEMS
1st Floor, Reddy Comlex, Opp. SPencers, Near Satyam Theatre, Ameerpet, Hyderabad
9533694296,9703109334
logicsystemsprojects@gmail.com
www.logicsystems.org.in
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This document discusses the implementation of a hybrid cryptography algorithm combining DES and IDEA. It begins by providing background on encryption, key escrow schemes, and the need for stronger algorithms. It then separately describes DES and IDEA, including their structure, performance analysis, and types of cryptanalysis attacks they are susceptible to. The document proposes a new hybrid algorithm combining DES and IDEA to improve security and integrity.
Efficient authentication for mobile and pervasive computing
This document proposes two novel techniques for authenticating short encrypted messages for mobile and pervasive applications. Existing message authentication codes (MACs) are not designed to utilize encryption functionality and are inefficient for short messages. The proposed techniques are more efficient by using the encryption process to generate authentication information, rather than applying encryption and a MAC separately. The first technique appends a short random string during encryption for authentication. The second improves on this by leveraging properties of block ciphers. Analysis shows the techniques provide security while maintaining efficiency needed for mobile applications.
Cryptography full report
This document discusses cryptography and network security. Cryptography is defined as the science of protecting data by converting it into an unreadable format. The goals of cryptography are confidentiality, authentication, integrity, and non-repudiation. The document outlines common cryptographic techniques like encryption, decryption, hashes, and digital signatures. It also discusses security threats to network communication like interception, modification, and repudiation. The importance of network security is growing as more applications move to distributed models and operate over the internet.
Full stack development
Full-stack development involves all layers of a software application from the user interface to the database. The document discusses the key considerations for both front-end and back-end development including prioritizing speed, usability, and graceful failure handling in the UI/UX layer and using robust platforms, containers, and Linux skills for managing servers and infrastructure. It also provides best practices for coding, testing, debugging, data modeling, and collaboration between full-stack developers. An example full-stack project using Python, Bootstrap, Angular, and Ionic is also briefly described.
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Vtu network security(10 ec832) unit 2 notes..
UNIT - 2
SYMMETRIC CIPHERS: Symmetric Cipher Model, Substitution Techniques,
Transposition Techniques, Simplified DES, Data encryption standard (DES), The strength of
DES, Differential and Linear Cryptanalysis, Block Cipher Design Principles and Modes of
Operation, Evaluation Criteria for Advanced Encryption Standard, The AES Cipher.
A SURVEY ON RECENT APPROACHES COMBINING CRYPTOGRAPHY AND STEGANOGRAPHY
Digital communication witnesses a noticeable and continuous development in many
applications in the Internet. Hence, a secure communication sessions must be provided. The
security of data transmitted across a global network has turned into a key factor on the network
performance measures. Cryptography and steganography are two important techniques that are
used to provide network security. In this paper, we conduct a comparative study of
steganography and cryptography. We survey a number of methods combining cryptography and
steganography techniques in one system. Moreover, we present a classification of these
methods, and compare them in terms of the algorithm used for encryption, the steganography
technique and the file type used for covering the information.
File transfer with multiple security mechanism
The system enhances the security and the data confidentiality between the users and receiver by the two-layer encryption mechanism and the QR code for verification. The system consists of three main components which are very important to providing the security between sender and receiver while transmitting the data
ijircee_Template
The document discusses secure data sharing in cloud storage using a key-aggregate cryptosystem (KAC) which allows efficient delegation of decryption rights for any set of ciphertexts. KAC produces constant size ciphertexts and allows any set of secret keys to be aggregated into a single key encompassing the power of the keys being aggregated. This aggregate key can then be sent to others for decryption of the ciphertext set while keeping files outside the set confidential.
Paper id 312201534
This document discusses securely sharing data in multi-owner cloud environments for dynamic groups. It proposes a method for securely sharing data files with other users in a group on an untrusted cloud. The method supports dynamic groups where new users can access files uploaded before joining without contacting owners. User revocation is achieved through a revocation list without updating other users' secret keys. Encryption overhead is constant, independent of revoked users. The scheme provides secure access control and preserves user privacy by hiding identities from the cloud.
Bespoke Technique for Secret Messaging
This document proposes a technique for secret messaging that combines encryption and digital watermarking. It involves two algorithms:
1. AMEADT encrypts the secret message using ASCII values of the message and a key. The encrypted text is then embedded into a digital image.
2. AMEAET embeds the encrypted text by selecting pixel positions in the image according to the ASCII value of the key and replacing the pixel values with the encrypted text.
The document outlines the requirements, provides an overview of the proposed system, and describes an example of how the encryption, embedding, and extraction processes work. The goal is to improve secrecy in communications while maintaining a balance between algorithm complexity and security.
Cryptography and Network Lecture Notes
FellowBuddy.com is an innovative platform that brings students together to share notes, exam papers, study guides, project reports and presentation for upcoming exams.
We connect Students who have an understanding of course material with Students who need help.
Benefits:-
# Students can catch up on notes they missed because of an absence.
# Underachievers can find peer developed notes that break down lecture and study material in a way that they can understand
# Students can earn better grades, save time and study effectively
Our Vision & Mission – Simplifying Students Life
Our Belief – “The great breakthrough in your life comes when you realize it, that you can learn anything you need to learn; to accomplish any goal that you have set for yourself. This means there are no limits on what you can be, have or do.”
Like Us - https://www.facebook.com/FellowBuddycom
82 86
This document analyzes and compares the performance of various cryptography algorithms. It discusses symmetric key algorithms like DES, AES, Blowfish and IDEA as well as asymmetric algorithms like RSA and Diffie-Hellman. The performance is evaluated based on parameters like encryption/decryption time, memory usage and throughput. Experiments show that Blowfish has better performance than AES for encrypting audio files, with lower average encryption and decryption times. In conclusion, cryptography is important for network security and Blowfish performs encryption/decryption more efficiently than AES for audio files.
A NOVEL IMAGE ENCRYPTION SCHEME WITH HUFFMAN ENCODING AND STEGANOGRAPHY TECHN...
In today’s day and age when everything is done with the aid of computing technology, the need for confidential communication has drastically increased. Not only the sensitive data such as top intelligent secrets of our nation but personal information of common people needs to be secure. Several combinations of cryptography and steganography techniques in different ways are used by researchers over the past to protect the data being transmitted. Cryptography uses mathematical algorithms to convert the data into an incomprehensible form and Steganography, on the other hand hides the data in a carrier such as image, data, audio or video. Cryptography provides necessary mechanisms for providing accountability, accuracy and confidentiality in public communication mediums such as the Internet and steganography is used in other fields such as copyright, preventing e-document forging etc. We are of the opinion that this security mechanism can further be increased by incorporating the use of Huffman coding in order to reduce the data length. This paper is an effort in the direction to hide, secure and compress the data. It explains the executed procedure by applying various encryption techniques one by one and our aim is to get the best security out of the existing ones. The proposed technique is implemented in MATLAB2016a and the results shown in this paper that our technique is better approach then the conventional techniques.
50120140507006
Mobile Ad hoc Network is a collection of wireless mobile nodes forming a network without
using any existing infrastructure. MANET is a collection of mobile nodes along with wireless
transmitter and receiver that with each other via a bi-directional links either directly or indirectly. A
new intrusion detection system named communicates Enhanced Adaptive Acknowledgment
(EAACK) specially designed for MANETs. It is based on the digital signature algorithm (DSA). To
enhance the security in the mobile adhoc networks, we introduce a new approach called Hybrid
cryptography algorithm that provides integrity, confidentiality and authentication. This hybrid
cryptography algorithm is based on two cryptography algorithms such as RSA and AES. Encryption is
achieved by using, RSA algorithm for authentication and symmetric algorithm for the integrity. By
using the symmetric and asymmetric cryptographic algorithm, we can achieve better security and
integrity than the EAACK
Different date block size using to evaluate the performance between different...
The different computer networks whether wired or wireless are becoming more popular with its high
security aspect. Different security algorithms and technique are using to avoid any aforementioned attacks.
One of these technique is a cryptography technique that makes the data as unreadable during the transfer
hence; there is no chance to reclaim the information. Presently, most of the users are using various media
types and internet to transfer the data but, it has the chance to retrieve the data by using these media types.
The perfect solution for this problem is to provide security on time-to-time basis; this stage is always
significant to the security related community discussions. This paper explains the comparison between the
run time of three different encryption algorithms which are DES, AES and Blowfish The compression
includes using different modes, data block size and different operation modes. As a result, Blowfish
algorithm followed by AES take less time for running compared to DES.
Adaptive Steganography Based Enhanced Cipher Hiding Technique for Secure Data...
IOSR Journal of Computer Engineering (IOSR-JCE) is a double blind peer reviewed International Journal that provides rapid publication (within a month) of articles in all areas of computer engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in computer technology. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
Analysis of Cryptographic Algorithms for Network Security
This document discusses and analyzes various cryptographic algorithms used for network security. It begins with definitions of key cryptographic terms like plain text, cipher text, encryption, decryption, and keys. It then describes different types of cryptographic schemes, including symmetric, asymmetric, and hash functions. Specific algorithms are analyzed like DES, AES, RSA, and Diffie-Hellman. Factors to consider when selecting a cryptographic algorithm like speed, memory requirements, security needs, and data type are also discussed. Overall the document provides a comprehensive overview and comparison of cryptographic algorithms and their applications for network security.
Review on Encrypted Image with Hidden Data Using AES Algorithm
Steganography is the art of hiding the fact where communication is taking place, by hiding information in other information. Steganography becomes more important as more people join the cyberspace revolution. . In contrast to cryptography, it is not to keep others from knowing the hidden information but it is to keep others from thinking that the information even exists. Steganography include an array of secret communication methods that hide the message from being seen or discovered. Many different carrier file formats can be used, but digital images are the most popular because of their frequency on the internet. For hiding secret information in images, there exists a large variety of steganography techniques some are more complex than others and all of them have respective strong and weak points. Different applications may require absolute invisibility of the secret information, while others require a large secret message to be hidden. This project report intends to give an overview of image steganography, its uses and techniques. In addition to this our project also adds security to both the data hidden and the image that carries the information. Security is provided by Encrypting the data that is sent in the image and again encrypting the image that carries the information using AES algorithm. This encryption of the data and image thus provides double security layer.
A RSA- DWT Based Visual Cryptographic Steganogrphy Technique by Mohit Goel
1) The document presents a technique for visual cryptographic steganography that uses RSA encryption and discrete wavelet transform (DWT) for data security.
2) In the proposed method, data is first encrypted using RSA encryption and then embedded in an image using Haar-DWT based steganography.
3) Experimental results on 100 images show the proposed technique achieves higher PSNR values compared to other techniques like LSB and LSB-DCT steganography, indicating better image quality and security of the hidden data.
A Survey on Comparisons of Cryptographic Algorithms Using Certain Parameters ...
he Wireless Sensor Networks (WSNs) have spread its roots in almost every application. Owing to their scattered nature of sensor nodes, they are more prone to attacks. There are certain applications e.g. military, where sensor data‟s confidentiality requirement during transmission is essential. Cryptography has a vital role for achieving security in WSNs.WSN has resource constraints like memory size, processing speed and energy consumption which bounds the applicability of existing cryptographic algorithms for WSN. Any good security algorithms has higher energy consumption by the nodes, so it‟s a need to choose most energy-efficient cryptographic encryption algorithms for WSNs. This paper surveys different asymmetric algorithms such as RSA, Diffie-Hellman, DSA, ECC, hybrid and DNA cryptography. These algorithms are compared based on their key size, strength, weakness, attacks and possible countermeasures in the form of table.
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efficient authentication for mobile and pervasive computing
LOGIC SYSTEMS
1st Floor, Reddy Comlex, Opp. SPencers, Near Satyam Theatre, Ameerpet, Hyderabad
9533694296,9703109334
logicsystemsprojects@gmail.com
www.logicsystems.org.in
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This document discusses the implementation of a hybrid cryptography algorithm combining DES and IDEA. It begins by providing background on encryption, key escrow schemes, and the need for stronger algorithms. It then separately describes DES and IDEA, including their structure, performance analysis, and types of cryptanalysis attacks they are susceptible to. The document proposes a new hybrid algorithm combining DES and IDEA to improve security and integrity.
Efficient authentication for mobile and pervasive computing
This document proposes two novel techniques for authenticating short encrypted messages for mobile and pervasive applications. Existing message authentication codes (MACs) are not designed to utilize encryption functionality and are inefficient for short messages. The proposed techniques are more efficient by using the encryption process to generate authentication information, rather than applying encryption and a MAC separately. The first technique appends a short random string during encryption for authentication. The second improves on this by leveraging properties of block ciphers. Analysis shows the techniques provide security while maintaining efficiency needed for mobile applications.
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efficient authentication for mobile and pervasive computing
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This document provides an overview of cryptography. It defines cryptography as the science of securing messages from attacks. It discusses basic cryptography terms like plain text, cipher text, encryption, decryption, and keys. It describes symmetric key cryptography, where the same key is used for encryption and decryption, and asymmetric key cryptography, which uses different public and private keys. It also covers traditional cipher techniques like substitution and transposition ciphers. The document concludes by listing some applications of cryptography like e-commerce, secure data, and access control.
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Employee Management System UML Diagrams Use Case Diagram, Activity Diagram, S...
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JPJ1424 Privacy-Preserving and Content-Protecting Location Based Queries
We are good IEEE java projects development center in Chennai and Pondicherry. We guided advanced java technologies projects of cloud computing, data mining, Secure Computing, Networking, Parallel & Distributed Systems, Mobile Computing and Service Computing (Web Service).
For More Details:
http://jpinfotech.org/final-year-ieee-projects/2014-ieee-projects/java-projects/
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This document summarizes a proposed public key encryption scheme based on learning parity with noise (LPN). It aims to address the non-negligible encoding error that exists in existing public key encryption schemes based on LPN variants. The proposed scheme uses single-bit and multi-bit encryption to reduce encoding errors with only a small increase in ciphertext space and computation overhead. It is designed to withstand quantum attacks while providing strong practical security.
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Microsoft - Power Platform_G.Aspiotis.pdf
Revolutionizing Application Development
with AI-powered low-code, presentation by George Aspiotis, Sr. Partner Development Manager, Microsoft
Goodbye Windows 11: Make Way for Nitrux Linux 3.5.0!
As the digital landscape continually evolves, operating systems play a critical role in shaping user experiences and productivity. The launch of Nitrux Linux 3.5.0 marks a significant milestone, offering a robust alternative to traditional systems such as Windows 11. This article delves into the essence of Nitrux Linux 3.5.0, exploring its unique features, advantages, and how it stands as a compelling choice for both casual users and tech enthusiasts.
GraphSummit Singapore | Graphing Success: Revolutionising Organisational Stru...
Sudheer Mechineni, Head of Application Frameworks, Standard Chartered Bank
Discover how Standard Chartered Bank harnessed the power of Neo4j to transform complex data access challenges into a dynamic, scalable graph database solution. This keynote will cover their journey from initial adoption to deploying a fully automated, enterprise-grade causal cluster, highlighting key strategies for modelling organisational changes and ensuring robust disaster recovery. Learn how these innovations have not only enhanced Standard Chartered Bank’s data infrastructure but also positioned them as pioneers in the banking sector’s adoption of graph technology.
Full-RAG: A modern architecture for hyper-personalization
Mike Del Balso, CEO & Co-Founder at Tecton, presents "Full RAG," a novel approach to AI recommendation systems, aiming to push beyond the limitations of traditional models through a deep integration of contextual insights and real-time data, leveraging the Retrieval-Augmented Generation architecture. This talk will outline Full RAG's potential to significantly enhance personalization, address engineering challenges such as data management and model training, and introduce data enrichment with reranking as a key solution. Attendees will gain crucial insights into the importance of hyperpersonalization in AI, the capabilities of Full RAG for advanced personalization, and strategies for managing complex data integrations for deploying cutting-edge AI solutions.
Essentials of Automations: The Art of Triggers and Actions in FME
In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation.
We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios.
Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!
Infrastructure Challenges in Scaling RAG with Custom AI models
Building Retrieval-Augmented Generation (RAG) systems with open-source and custom AI models is a complex task. This talk explores the challenges in productionizing RAG systems, including retrieval performance, response synthesis, and evaluation. We’ll discuss how to leverage open-source models like text embeddings, language models, and custom fine-tuned models to enhance RAG performance. Additionally, we’ll cover how BentoML can help orchestrate and scale these AI components efficiently, ensuring seamless deployment and management of RAG systems in the cloud.
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File transfer using cryptography techniques
- 1. File Transfer using Cryptography Techniques ABSTRACT In this project we are conducting the investigation studies over the IT auditing for assuming the security for cloud computing. During this investigation, we are implementing working of IT auditing mechanism over the cloud computing framework in order to assure the desire level of security. In the IT auditing mechanism, the concept of checklists are prepared for the cloud computing application and their lifecycle. Those checklists are prepared on the basis of models of cloud computing such as deployment models and services models. With this project our main concern is to present the cloud computing implications for large enterprise applications like Customer Relationship Management and achieving the desired level of security with design and implementation of IT auditing technique. As results from practical investigation of IT auditing over the cloud computing framework, we claim that IT auditing assuring the desired level of security, regulations, compliance for the enterprise applications like Customer Relationship Management. EXISTING SYSTEM: Here the customer sending file information is stored in the encrypted format in database. Then the user can be decrypted to download the file from database, it is only possible for authorized user. PROPOSED SYSTEM: In the Encryption technique, if new user is to send the file with the private key, in this file is saved in encrypted format in table. So this private information is not known to any other user .so it is better security to our application. Also we have provided the decryption technique for the user to read the information is correct or not by showing it on below the encryption table. This data is known to only that user which is login.
- 2. MODULE 1. Encryption Module 2. Decryption Module Module 1: Encryption Module The user to send the file in encrypted format using RSA algorithm and then that file is stored in our database with unique private key and public key. Then the authorized download user only to view that private key after to access that file using the private key. Module 2: Decryption Module This module is used to download the file in plain text format using cryptography techniques. The sender, send the private key to the receiver, when the receivers to enter the public key that time to display our private key to the receiver.
- 3. SYSTEM REQUIREMENTS Hardware Requirements: Processor : Intel Duel Core. Hard Disk : 60 GB. Floppy Drive : 1.44 Mb. Monitor : LCD Colour. Mouse : Optical Mouse. RAM : 512 Mb. Software Requirements: Operating system : Windows XP. Coding Language : ASP.Net with C# (SP1) Data Base : SQL Server 2005