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Symmetric Key and Public Key Encryption
 
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Modern day encryption is performed in two different ways. Check out http://YouTube.com/ITFreeTraining or http://itfreetraining.com for more of our always free training videos. Using the same key or using a pair of keys called the public and private keys. This video looks at how these systems work and how they can be used together to perform encryption. Download the PDF handout http://itfreetraining.com/Handouts/Ce... Encryption Types Encryption is the process of scrambling data so it cannot be read without a decryption key. Encryption prevents data being read by a 3rd party if it is intercepted by a 3rd party. The two encryption methods that are used today are symmetric and public key encryption. Symmetric Key Symmetric key encryption uses the same key to encrypt data as decrypt data. This is generally quite fast when compared with public key encryption. In order to protect the data, the key needs to be secured. If a 3rd party was able to gain access to the key, they could decrypt any data that was encrypt with that data. For this reason, a secure channel is required to transfer the key if you need to transfer data between two points. For example, if you encrypted data on a CD and mail it to another party, the key must also be transferred to the second party so that they can decrypt the data. This is often done using e-mail or the telephone. In a lot of cases, sending the data using one method and the key using another method is enough to protect the data as an attacker would need to get both in order to decrypt the data. Public Key Encryption This method of encryption uses two keys. One key is used to encrypt data and the other key is used to decrypt data. The advantage of this is that the public key can be downloaded by anyone. Anyone with the public key can encrypt data that can only be decrypted using a private key. This means the public key does not need to be secured. The private key does need to be keep in a safe place. The advantage of using such a system is the private key is not required by the other party to perform encryption. Since the private key does not need to be transferred to the second party there is no risk of the private key being intercepted by a 3rd party. Public Key encryption is slower when compared with symmetric key so it is not always suitable for every application. The math used is complex but to put it simply it uses the modulus or remainder operator. For example, if you wanted to solve X mod 5 = 2, the possible solutions would be 2, 7, 12 and so on. The private key provides additional information which allows the problem to be solved easily. The math is more complex and uses much larger numbers than this but basically public and private key encryption rely on the modulus operator to work. Combing The Two There are two reasons you want to combine the two. The first is that often communication will be broken into two steps. Key exchange and data exchange. For key exchange, to protect the key used in data exchange it is often encrypted using public key encryption. Although slower than symmetric key encryption, this method ensures the key cannot accessed by a 3rd party while being transferred. Since the key has been transferred using a secure channel, a symmetric key can be used for data exchange. In some cases, data exchange may be done using public key encryption. If this is the case, often the data exchange will be done using a small key size to reduce the processing time. The second reason that both may be used is when a symmetric key is used and the key needs to be provided to multiple users. For example, if you are using encryption file system (EFS) this allows multiple users to access the same file, which includes recovery users. In order to make this possible, multiple copies of the same key are stored in the file and protected from being read by encrypting it with the public key of each user that requires access. References "Public-key cryptography" http://en.wikipedia.org/wiki/Public-k... "Encryption" http://en.wikipedia.org/wiki/Encryption
Views: 416540 itfreetraining
Public Key Cryptography - Computerphile
 
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Spies used to meet in the park to exchange code words, now things have moved on - Robert Miles explains the principle of Public/Private Key Cryptography note1: Yes, it should have been 'Obi Wan' not 'Obi One' :) note2: The string of 'garbage' text in the two examples should have been different to illustrate more clearly that there are two different systems in use. http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels
Views: 393971 Computerphile
Image Encryption and Decryption using Chaotic Key Sequence
 
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Image Encryption and Decryption using Chaotic Key Sequence Generated by Sequence of Logistic Map and Sequence of States of Linear Feedback Shift Register This video project is done by: Potcharaphol Chat-anan (Aung) Tan Wei Jie, Chester Feng Wei Nicholas Koh Ming Xuan Jonathan Liem Zhuan Kim Chia Su Chi Faith
What is Encryption [Hindi]
 
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Friends is video m hum Crytography,Encryption,Decryption,Symmetric key,Asymmetric key,Public key,Private key,Plain text and Cipher text kya hote hai in sb k bare main charcha krne wale hai or janne wale hai ki ye kya hote hai kaise ye kaam krte hai or in k kya kya fayde hai or sath hi hum ye bhi janenge ki Android Phone ko kaise encrypt kiya ja sakta hai toh is video ko End tak dekhen. I hope Aapko ye video Pasand aayegi Please Like,Share and SUBSCRIBE #JAI BHARAT It's My Passion Facebook :-https://www.facebook.com/TechnicalChoro Twitter:-https://twitter.com/TechnicalChoro Google+:-https://plus.google.com/b/114386885239188983906
Views: 17762 Technical Choro
Public key cryptography - Diffie-Hellman Key Exchange (full version)
 
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The history behind public key cryptography & the Diffie-Hellman key exchange algorithm. We also have a video on RSA here: https://www.youtube.com/watch?v=wXB-V_Keiu8
Views: 585884 Art of the Problem
Encryption and Decryption of Data in C#.net Visual Studio 2013
 
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In this tutorial I will show you how you can use cryptostream and Rijandial Algorithm for encryption and decryption of data in C#.net programming. If you have any questions feel free to leave a comment. Thanks for watching :) -~-~~-~~~-~~-~- Please watch: "How to use android glide library to efficiently load images in your android application" https://www.youtube.com/watch?v=FOYdcq86NpU -~-~~-~~~-~~-~- keywords: md5 encryption c#.net sha1 encryption c#.net encryption using c#.net aes encryption c#.net url encryption c#.net blowfish encryption c#.net encryption c# asp.net encryption decryption c#.net encryption algorithms in c#.net encryption code in c#.net encryption c#.net md5 encryption c# asp.net c# net encryption and decryption c# .net aes encryption example c# net aes encryption c# .net asymmetric encryption c# .net des encryption c# .net data encryption c# .net encryption example c# .net file encryption encryption in c#.net encryption decryption in c#.net encryption method in c#.net encryption string in c#.net encryption class in c#.net encryption in asp.net c# pgp encryption in c#.net md5 encryption in c#.net symmetric key encryption c# .net asp net c# md5 encryption encryption of password in c#.net c# .net password encryption c# .net pgp encryption c# .net rsa encryption c# .net rijndael encryption rc4 encryption in c#.net asp.net c# rsa encryption c# .net simple encryption c# .net string encryption .net c# symmetric encryption xor encryption in c#.net aes 256 encryption c#.net c# aes encryption .net 2.0 c# .net 3des encryption c# .net 4.5 encryption encryption and decryption in c#.net decryption in c#.net decrypt md5 c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net encryption and decryption in c#.net decryption in c#.net decrypt md5 c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net encryption and decryption in c#.net decryption in c#.net decrypt md5 c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net encryption and decryption in c# asp.net encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net data encryption and decryption in c#.net rsa encryption and decryption in c#.net data encryption and decryption in c#.net encryption and decryption in c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net data encryption and decryption in c#.net rsa encryption and decryption in c#.net decrypt aes - c# .net from openssl file encryption and decryption in c#.net xml file encryption and decryption in c#.net encryption and decryption in c#.net decryption in c#.net password encryption and decryption in c#.net aes encryption and decryption in c#.net md5 encryption and decryption in c#.net simple encryption and decryption in c#.net image encryption and decryption in c#.net file encryption and decryption in c#.net string encryption and decryption in c#.net data encryption and decryption in c#.net md5 encryption and decryption in c#.net md5 decryption in c#.net c# .net pgp decryption password encryption and decryption in c#.net rsa encryption and decryption in c#.net rc4 decryption in c#.net simple encryption and decryption in c#.net string encryption and decryption in c#.net xml file encryption and decryption in c#.net
Views: 18568 Software Dev
Lossless and Reversible Data Hiding in Encrypted Images with  Public Key Cryptography
 
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Views: 204 ClickMyProject
MATLAB Application For Encrypt And Decrypt Text Data In Images
 
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http://latestembedded.blogspot.in/2015/07/matlabapplication-for-encrypt-and.html In This Project I designed One GUI Interface( Application ) on MATLAB for Hiding Data In image and Then This encrypted Image Add As Watermark into other image .Also you retrieve data from that encrypted image Using Other GUI Interface ( Application ) . Main Advantage of this Project Is u can send this encrypted Image One PC to Another PC using Serial port throw wired or Wireless connection
Views: 15472 Embedded Projects
Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography
 
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Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography
Encryption using RSA Algorithm
 
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Problem Solved from William Stallings Book : Cryptography and Network Security Fifth Editon
Views: 15584 Random Videos
Visual criptography (explained with an example)
 
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This video explain what is visual criptography with an example. The analyzed phases are: 1) How to generate the key 2) Encryption of the choosen image with the key 3) Visual decryption: overlapping the key with the encrypted image ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Claims relating to video: Free Stock video by Videezy.com Song: it's different - Shadows (feat. Miss Mary) [NCS Release] Music provided by NoCopyrightSounds. Video Link: https://youtu.be/UHbDJ1oPuGo Download Link: http://NCS.lnk.to/Shadows
Views: 928 Ali One Informatica
Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography
 
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Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography We develop projects in following technology JAVA/J2EE NS2 DOTNET ANDROID HADOOP / BIG DATA MATLAB ieee projects are available ready to purchase We are providing projects at low cost with good support. Please call us for further enquiry --------------------------------------------------------------------------------------------- Regards Priya (0) 9600095047 Data Alcott Systems Ph: 044- 43314035 Mobile: (0) 9600095046 / 47 https://www.finalsemprojects.com https://www.facebook.com/ieeeprojects
Views: 347 finalsemprojects
Digital Signature - Asymmetric Key , Why used for Authentication & Non Repudiation (Hindi)
 
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Digital Signature - Asymmetric Key Cryptography, Why used for Authentication and Non Repudiation (Hindi) Keywords: Digital Signature Asymmetric Encryption Authentication Non Repudiation
Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography
 
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Those who are all need IEEE 2015-2016 Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography with full implementation in C#.Net mail to [email protected] or contact +91 8870791415
RSA Encryption Matlab code
 
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=================================================== Get the code from here: https://gum.co/vefiy =================================================== This code implements RSA encryption algorithm in matlab which depend on generating very large prime numbers (there is an implemented function to generate the prime numbers randomely), these numbere are used as encryption and decryption keys using the RSA algorithm for encryption and by seperating keys as private and public as explained in the video. The code takes a text file as an input and use the content as the message to be encrypted and then the sent encrypted message along with its decryption is printed. Author: Ahmed Abu Bakr Contact me: email: [email protected] List of all my codes: https://gumroad.com/ahmedsaleh =================================================== Hire me directly on freelancer: https://www.freelancer.com/u/AhmedSobhiSaleh ===================================================
Views: 236 Ahmed Saleh
Image Encryption Using AES Algorithm
 
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Get the project at http://nevonprojects.com/image-encryption-using-aes-algorithm/ This project makes use of advanced encryption algorithm AES to encrypt images and transfer them securely as text files for secure image transfer through internet.
Views: 13607 Nevon Projects
Password based Encryption / Decryption on Android with AES Algorithm
 
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Learn to Encrypt and Decrypt data on Android Applications with the Advanced Encryption Standard (AES) Algorithm. Note that this tutorial has been made by Tamil for the SSaurel's Channel. If you want to collaborate on the SSaurel's Channel, don't hesitate to send me your ideas for further details. ► Discover all the Android Apps offered by SSaurel Mobile Apps : https://play.google.com/store/apps/dev?id=6924401024188312025 ► Learn to create Android Apps step by step on the SSaurel's Blog : https://www.ssaurel.com/blog ► Enter in the Bitcoin and cryptocurrency World : https://www.toutsurlebitcoin.fr
Views: 20879 Sylvain Saurel
What is HYBRID CRYPTOSYSTEM? What does HYBRID CRYPTOSYSTEM mean? HYBRID CRYPTOSYSTEM meaning
 
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What is HYBRID CRYPTOSYSTEM? What does HYBRID CRYPTOSYSTEM mean? HYBRID CRYPTOSYSTEM meaning - HYBRID CRYPTOSYSTEM definition - HYBRID CRYPTOSYSTEM explanation. Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license. SUBSCRIBE to our Google Earth flights channel - https://www.youtube.com/channel/UC6UuCPh7GrXznZi0Hz2YQnQ In cryptography, a hybrid cryptosystem is one which combines the convenience of a public-key cryptosystem with the efficiency of a symmetric-key cryptosystem. Public-key cryptosystems are convenient in that they do not require the sender and receiver to share a common secret in order to communicate securely (among other useful properties). However, they often rely on complicated mathematical computations and are thus generally much more inefficient than comparable symmetric-key cryptosystems. In many applications, the high cost of encrypting long messages in a public-key cryptosystem can be prohibitive. This is addressed by hybrid systems by using a combination of both. A hybrid cryptosystem can be constructed using any two separate cryptosystems: a key encapsulation scheme, which is a public-key cryptosystem, and a data encapsulation scheme, which is a symmetric-key cryptosystem. The hybrid cryptosystem is itself a public-key system, whose public and private keys are the same as in the key encapsulation scheme. Note that for very long messages the bulk of the work in encryption/decryption is done by the more efficient symmetric-key scheme, while the inefficient public-key scheme is used only to encrypt/decrypt a short key value. All practical implementations of public key cryptography today employ the use of a hybrid system. Examples include the TLS protocol which uses a public-key mechanism for key exchange (such as Diffie-Hellman) and a symmetric-key mechanism for data encapsulation (such as AES). The OpenPGP (RFC 4880) file format and the PKCS #7 (RFC 2315) file format are other examples. Example: To encrypt a message addressed to Alice in a hybrid cryptosystem, Bob does the following: 1. Obtains Alice's public key. 2. Generates a fresh symmetric key for the data encapsulation scheme. 3. Encrypts the message under the data encapsulation scheme, using the symmetric key just generated. 4. Encrypt the symmetric key under the key encapsulation scheme, using Alice's public key. 5. Send both of these encryptions to Alice. To decrypt this hybrid ciphertext, Alice does the following: Uses her private key to decrypt the symmetric key contained in the key encapsulation segment. Uses this symmetric key to decrypt the message contained in the data encapsulation segment. If both the key encapsulation and data encapsulation schemes are secure against adaptive chosen ciphertext attacks, then the hybrid scheme inherits that property as well. However, it is possible to construct a hybrid scheme secure against adaptive chosen ciphertext attack even if the key encapsulation has a slightly weakened security definition (though the security of the data encapsulation must be slightly stronger).
Views: 782 The Audiopedia
Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography
 
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SSL Certificate Explained
 
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Views: 795525 dtommy1979
Text Encryption Approach with Color Cryptography
 
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Text Encryption Approach with Color Cryptography is a security application where you can encrypt your message into color blocks image. This application is helpful for sending information from one place to another. Email: [email protected] Website: https://www.sdsoftwares.com Facebook: https://www.facebook.com/sdsoftsolutions
Cryptography Constructions (Public Key Encryption from trapdoor permutations)
 
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Constructions (Public Key Encryption from trapdoor permutations) To get certificate subscribe: https://www.coursera.org/learn/crypto ======================== Playlist URL: https://www.youtube.com/playlist?list=PL2jykFOD1AWYosqucluZghEVjUkopdD1e ======================== About this course: Cryptography is an indispensable tool for protecting information in computer systems. In this course you will learn the inner workings of cryptographic systems and how to correctly use them in real-world applications. The course begins with a detailed discussion of how two parties who have a shared secret key can communicate securely when a powerful adversary eavesdrops and tampers with traffic. We will examine many deployed protocols and analyze mistakes in existing systems. The second half of the course discusses public-key techniques that let two parties generate a shared secret key.
Views: 50 intrigano
Keys and Digital Certificates
 
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Brief on Symmetric and Asymmetric Keys Digital Certificates - X.509 and GPG Commands to generate asymmetric keys and digital certificate. X.509 commands: Key Pair Creation: openssl req -new -x509 -newkey rsa:2048 -keyout Private.key -out Public.crt -days 365 -nodes -sha256 Dump Private key contents: openssl rsa -in Private.key -noout –text Dump public key contents: openssl x509 -in Public.crt -noout -text GPG Commands: Key pair creation: gpg --gen-key List gpg keys: gpg --list-keys Dump key contents: gpg -a --export key-name | gpg --list-packets --debug 0x02 Reach me at Linkedin for comments/suggestions: www.linkedin.com/in/sameer-pasha-7aba6393
Views: 1132 Sameer Pasha
Visual Cryptography
 
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Hiding your images in style since 1994. Copyright Protection Scheme for Digital Images Using Visual Cryptography and Sampling Methods Ching-Sheng Hsu Young-Chang Hou July 2005 RIT, IMGS-362 Image Processing & Computer Vision II
Views: 24678 Matt Donato
Java prog#129. How to encrypt and decrypt data in Java Part 1
 
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Views: 90384 ProgrammingKnowledge
RSA Cryptosystem Algorithm (Public Key Algorithm) in Hindi with Example
 
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RSA Cryptosystem Algorithm (Public Key Algorithm) in Hindi with Example Like FB Page - https://www.facebook.com/Easy-Engineering-Classes-346838485669475/ Complete Data Structure Videos - https://www.youtube.com/playlist?list=PLV8vIYTIdSna11Vc54-abg33JtVZiiMfg Complete Java Programming Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnbL_fSaqiYpPh-KwNCavjIr Previous Years Solved Questions of Java - https://www.youtube.com/playlist?list=PLV8vIYTIdSnajIVnIOOJTNdLT-TqiOjUu Complete DBMS Video Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnYZjtUDQ5-9siMc2d8YeoB4 Previous Year Solved DBMS Questions - https://www.youtube.com/playlist?list=PLV8vIYTIdSnaPiMXU2bmuo3SWjNUykbg6 SQL Programming Tutorials - https://www.youtube.com/playlist?list=PLV8vIYTIdSnb7av5opUF2p3Xv9CLwOfbq PL-SQL Programming Tutorials - https://www.youtube.com/playlist?list=PLV8vIYTIdSnadFpRMvtA260-3-jkIDFaG Control System Complete Lectures - https://www.youtube.com/playlist?list=PLV8vIYTIdSnbvRNepz74GGafF-777qYw4
A Survey on Ring-LWE Cryptography
 
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The Ring Learning-with-Errors problem, proposed by Lyubashevsky, Peikert and Regev in 2010, is a variant of the traditional Learning-with-Errors problem, and is an active research area in lattice based cryptography. It has drawn increased attention due to the important application to constructing homomorphic encryption schemes. The security of RLWE problems relies on the hardness of certain standard problems over ideal lattices. In the first part of the talk, I will review the basics of RLWE problems, the hardness proofs, and major RLWE encryption schemes. Then I will survey different attacks to RLWE, including our new attacks to non-dual RLWE in sub-cyclotomic fields and small error dual RLWE on prime cyclotomic fields. I will end by summarizing the security situation for various RLWE problems. This is joint work with Kristin Lauter and Katherine Stange.
Views: 1491 Microsoft Research
Image Cryptography
 
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This dissertion helps people in making image more secure
Views: 455 vinay verma
Java Cryptography Tutorials 3 RSA Encryption and Decryption in Java
 
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In this video you will see how to encrypt and decrypt the text information using the RSA algorithm in Java Cryptography. For more tutorials visit: http://www.step2know.com
Views: 17134 Infinity
SECURE BANKING APPLICATION USING VISUAL CRYPTOGRAPHY AGAINST FAKE WEBSITE AUTHENTICITY THEFT
 
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Core banking is a set of services provided by a group of networked bank branches. Bank customers may access their funds and perform other simple transactions from any of the member branch offices. The major issue in core banking is the authenticity of the customer. Due to unavoidable hacking of the databases on the internet. To solve this problem of authentication, we are proposing an algorithm based on image processing, i.e. visual cryptography. Visual Cryptography is a special encryption technique to hide information in images in such a way that it can be decrypted by the human visual system. But the encryption technique needs cryptographic computation to divide the image into a number of parts let n. In our paper we have proposed a new k-n secret sharing scheme for color image where encryption (Division) of the image is done using Random Number generator. Total number of shares to be created is depending on the scheme chosen by the bank. When two shares are created, one is stored in the Bank database and the other is kept by the customer. The customer has to present the share during all of his transactions. This share is stacked with the first share to get the original image. Then decoding method is used to take the hidden password on acceptance or rejection of the output and authenticate the customer.
Views: 358 ITEducations
PixelEncrypt™ - Simple and Fast Image Encryption
 
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Simple and fast image encryption software optimized for automated use. Available for Windows, Mac OS X or Linux (64-bit). Please visit homepage for trial download: http://www.pixelize.org/pixelencrypt Protect your sensitive images with a simple key combination. In contrast to other encryption softwares, PixelEncrypt is capable of encrypting or decrypting multiple images simultaneously, where decryption is lossless, restoring the complete image in every detail.
Image Encryption and Decryption System
 
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Thapar University Patiala Software Engineering Project
Views: 91 Prakhar Pathak
[Tablet] Multiple image encryption using Saferoom Android
 
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This video demonstrates how you can encrypt multiple images using Saferoom Android Saferoom Android is available here: https://goo.gl/G8Lckw Saferoom Windows Desktop is available here: http://en.softonic.com/author/saferoom Saferoom iOS is available here: https://goo.gl/AsNHih Saferoom Chrome extension can be downloaded here: https://goo.gl/iUc3Vr For more information about the extension, please check our Help Center at: http://help.getsaferoom.com/ For more information about the extension, please check our Help Center at: http://help.getsaferoom.com/ ------------------------------ Saferoom is a set of mobile and desktop apps that are embedded into existing platforms and provides to users a zero-knowledge encryption functionality. Saferoom is installed on top of online platforms (like Evernote, Onenote and etc.), thus users continue to work with their apps, only having an additional option to protect their private and confidential data. As data is encrypted on user devices before it reaches any cloud servers, it is secure against server attacks or data leaks. Further, our ambition is to build Saferoom as a "Passbook" for your confidential data. Saferoom will add support of more cloud platforms like Dropbox, iCloud, Flickr and etc gradually, so you can encrypt and secure all your data across your favorite online services. www.getsaferoom.com. Follow us on twitter: http://twitter.com/saferoom_app
Views: 256 Saferoom App
Multi image integration and Encryption Algorithm for security applications
 
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This project focuses on implementing a secure image technique that enables to select one of the several images displayed simultaneously with a unique security key for each image. This process involves applying block based interleaving, followed by integrating the image matrix using the pixel based integration technique and encrypting the images with Advanced Encryption Algorithm. With the key specifically generated for the image, the original image is decrypted from multiple images. This method is useful when access permissions needs to be restricted to certain viewers.
FREE File Encryption and Decryption Software in JAVA
 
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You can download the source code and the executable from here: https://github.com/arlenebatada/File-Encryption-and-Decryption-Application-in-JAVA Do you wish to convert your music to a form in which others cannot listen it? Do you wish to convert your movies to a form in which others cannot watch them? Do you wish to convert your documents to a form in which others cannot read them? Do you wish to convert your executable files to a form in which others cannot execute them? If your answer to any of the above questions is "YES" then this software is definitely for you. With this software you can perform ENCRYPTION and encrypt your video files, audio files, text files, executable files, pdf, or any other file of your choice. This way, without your password, files such as movies, music, pdf, documents, images, etc. won't open. Executable files will no longer be in a state to be executed. Would you like to have your encrypted files back in the form they used to be? Don't worry. It is also other way around. With the password you had used for encryption you can perform DECRYPTION and convert your files back to their original form. Moreover, the application does NOT store your passwords. Instead it uses SHA-512 hashing algorithm to verify the password.
Views: 6730 Arlene Batada
X.509 Digital Signature Validating (In C#)
 
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Alright! Here we go! This video is the conclusion of the X.509 WiBisode series. You've learned how to created a signing certificate, export a public key, and sign an XML document. NOW it is time to take the public key and validate the signature. This technique is used to establish application trusts. The validating code is verifying that the document has arrived as it was intended (with no changes along the way) and that the document was "stamped" by a private key that YOU trust!
Views: 7817 WiBit.Net
Deterministic Encryption: Theory and Applications
 
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The focus of the talk is deterministic public-key encryption schemes. Besides being interesting from theoretical and historical perspectives, the deterministic encryption primitive has applications to fast and secure search on remote data. We study several new notions of security for deterministic encryption and relations among them. We present several very efficient deterministic encryption schemes that provably satisfy the strongest-possible security definition (in the random oracle model). We finally provide the constructions that achieve security for many practical settings, without relying on the idealized random oracle model. The talk is based on joint papers with Mihir Bellare, Serge Fehr and Adam O'Neill.
Views: 145 Microsoft Research
Encryption algorithm Dotnet application
 
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Encryption algorithm Dotnet application AES(Advanced Encryption Standard) Algorithm RC4 Algorithm Triple DES Algorithm Public Key Please contact us for more information: Ph: +91 8549932017 (WhatsApp/SMS text only Please) www.amodhainfotech.com www.amodhait.com [email protected] Mysore,Karnataka,India. Final Year Projects For BE / BTech / B.SC/BCA/ME / MTech / MCA / Diploma Graduates (Mob: (0)8549932017/0821-4191223). AMODHA INFOTECH offers Final Year Project guidance for B.E/B.TECH/M.E/M.Tech(CSE,ISE,IT,ECE,EEE) BSC/BCA/MSC/MCA/MS(IT)/MS(Software Engg) We Offer projects in following technologies 1.JAVA/J2EE 2.Dot NET 3.PHP 4.Embedded System 5.IOT 6.NS2 /NS3 7.MATLAB 8.Android mobile applications
Views: 59 Amodha InfoTech
Elliptic Curves - Computerphile
 
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Just what are elliptic curves and why use a graph shape in cryptography? Dr Mike Pound explains. Mike's myriad Diffie-Hellman videos: https://www.youtube.com/playlist?list=PLzH6n4zXuckpoaxDKOOV26yhgoY2S-xYg https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com
Views: 135920 Computerphile
C# Tutorial - Encrypt and Decrypt a String | FoxLearn
 
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How to Encrypt and Decrypt a String in C#. The C# Basics beginner course is a free C# Tutorial Series that helps beginning programmers learn the basics of the C# Programming Language. This is the best way to Learn C# for beginners Encrypt your passwords with MD5 hashing in C# C# Salting & Hashing Passwords C# encrypting and decrypting using AES CBC, safe storing the encrypted data visual C# Adding AES encryption to C# application Forms Application encryption encrypt- decrypt with AES using C# Forms Application Advanced Encryption Standard Rijndael cipher Forms Application C# - Simple AES encryption using Visual C# cryptographic encrypt my 128 bit string using AES encryption cryptography C#
Views: 27587 Fox Learn
Lossless and Reversible Data Hiding in Encrypted Images with|IEEE MATLAB IMAGE PROCESSING 2015
 
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Asymmetric Encryption and Signing with Public Private Keys
 
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Bob and Alice will only get you so far. Article at https://coolaj86.com/articles/asymmetric-public--private-key-encryption-in-node-js/ Without getting deep into math, I paint a picture of specifically how RSA encryption works, it's connection with AES, and how HTTPS and GPG use both. I also show examples using the OpenSSL commandline tools and ursa in node.js. It's still pretty high-level, but with sprinkled with some practical details and understanding you may not have had before. Examples with OpenSSL Node.js
Views: 5417 AJ ONeal
IEEE 2015 MATLAB LOSS LESS AND REVERSIBLE DATA HIDING IN ENCRYPTED IMAGE IN PUBLIC KEY CRYPTOGRAPHY
 
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To get IEEE 2015-2016 MATLAB LOSS LESS AND REVERSIBLE DATA HIDING IN ENCRYPTED IMAGE IN PUBLIC KEY CRYPTOGRAPHY in MATLAB mail to [email protected] or contact +91 8870791415
Linux Intro: Signing and verifying data using GPG
 
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In this video we will be using GPG to sign and verify data. Signing is used as a secure way to check whether data has been modified from the time of signing. We sign the data with our private key. Other users can verify the data and signature by using your public key. We are using Ubuntu Linux with the default install of GPG. Private keys were already generated. SUBSCRIBE FOR MORE VIDEOS https://bit.ly/2Ij9Ojc Visit DFIR.Science to learn more about Digital Forensic Science https://DFIR.Science If you like this video please make sure to click the like button and share with all your friends. ~ CONNECT ~ Twitter: https://twitter.com/DFIRScience Facebook: http://www.facebook.com/DFIR.Science Linkedin: http://linkedin.com/in/jijames/ Google+: https://plus.google.com/u/0/111792419183641165523 Digital Forensic Science: https://DFIR.Science
Views: 7306 DFIR.Science
Convergent key Encryption
 
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Give this video a BIG THUMBS UP if it helped! How To Properly Upload Videos To YouTube -- The Sharp Turtle explains What is Convergent key Encryption. Share this Video: https://youtu.be/3TQcTxOSAWk Subscribe To My Channel and Get More Great videos https://www.youtube.com/channel/UCB-rgmagIzxqi1KmOAy5aBg Convergent encryption has been proposed to enforce data confidentiality while making deduplication feasible. It encrypts/decrypts a data copy with a convergent key, which is obtained by computing the hash value of the content of the data copy. After key generation and data encryption, users retain the keys and send the ciphertext to the storage server provider. Since the encryption operation is deterministic and is derived from the data content, identical data copies will generate the same convergent keyand hence the same ciphertext. Here is a metaphore video that explains this concept in easy way..Hope you will like it!!!
Views: 1937 The Sharp Turtles
Symantec™ ECC SSL Certificate Latest Enhanced Approach to public-key Cryptography
 
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Elliptic Curve Cryptography is an attractive, efficient and effective alternative to RSA cryptography, offering exponentially stronger SSL security with much shorter, more efficient keys. Symantec is a leader in ECC technology, with greater root ubiquity and service than our competitors.
Views: 219 The SSL Store™