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Public Key Cryptography w/ JAVA  (tutorial 05) - Elgamal Encryption Scheme
 
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Website + download source code @ http://www.zaneacademy.com 00:05 demo prebuilt version of the application 05:55 'Passive Eve' options for decrypting messages 07:43 Elgamal encryption summary & proof 11:20 code the application 27:11 test run the application
Views: 338 zaneacademy
Asymmetric encryption - Simply explained
 
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How does public-key cryptography work? What is a private key and a public key? Why is asymmetric encryption different from symmetric encryption? I'll explain all of these in plain English! 🐦 Follow me on Twitter: https://twitter.com/savjee ✏️ Check out my blog: https://www.savjee.be 👍🏻 Like my Facebook page: https://www.facebook.com/savjee
Lossless and Reversible Data Hiding in Encrypted Images with  Public Key Cryptography
 
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Including Packages ======================= * Base Paper * Complete Source Code * Complete Documentation * Complete Presentation Slides * Flow Diagram * Database File * Screenshots * Execution Procedure * Readme File * Addons * Video Tutorials * Supporting Softwares Specialization ======================= * 24/7 Support * Ticketing System * Voice Conference * Video On Demand * * Remote Connectivity * * Code Customization ** * Document Customization ** * Live Chat Support * Toll Free Support * Call Us:+91 967-774-8277, +91 967-775-1577, +91 958-553-3547 Shop Now @ http://clickmyproject.com Get Discount @ https://goo.gl/lGybbe Chat Now @ http://goo.gl/snglrO Visit Our Channel: http://www.youtube.com/clickmyproject Mail Us: [email protected]
Views: 227 Clickmyproject
Public Key Cryptography w/ JAVA  (tutorial 01) - Diffie-Hellman Key Exchange
 
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Website + download source code @ http://www.zaneacademy.com | typo in server display corrected here https://youtu.be/6C5sq5TaVMs?t=90 00:08 demo prebuilt version of the application 04:20 what discrete logarithm problem(s) does Eve need to solve [typo correction in server console] s(congruent)B^a mod p [typo correction in server console] s(congruent)A^b mod p 05:00 quick intro to Diffie Hellman Key Exchange (DHKE) 06:00 what is a group 7:30 what is a cyclic group 7:50 what is a group generator 09:08 DHKE proof 10:12 what is the Discrete Logarithm Problem 10:51 what is the Diffie Hellman Problem 11:55 what is the generalized discrete logarithm problem 12:55 why 1 and p-1 are not included when picking the secret keys for both parties 14:30 start coding the application 17:35 coding the server side 22:25 coding the client side 26:54 initializing the domain params p and alpha 27:58 calculating the public key 28:45 calculating the common key 29:56 test running the application [typo correction in server console] s (congruent) B^a mod p [typo correction in server console] s (congruent) A^b mod p
Views: 1906 zaneacademy
Cryptography basics: What is Encryption and Decryption
 
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Get Full Course: http://www.engineeringmentor.com/CNYTv3 Networks #3: This tutorial introduces the Cryptography basics. It also explains what is Encryption and Decryption. a) Cryptography basics (00:21):http://youtu.be/BEb_AnPWPwY?t=21s how do we provide this security during transmission? Well, One way of ensuring security can be use of CRYPTOGRAPHY! Cryptography is a field of network security which deals with hiding "real" infromation when it is under transmission between the two parties. Usually, the real information is transformed or hidden into another message and transmitted over the network. This transformed message in itself will make no sense even if any hacker gets hold of this information. When it reaches the destination, the receipent will know a method to de-transform the garbage message into the original information which the sender had sent.method of transforming message at sender's side and de transforming at reciever's side forms the basic model of Cryptography. b) Encryption and Decryption (3:57):http://youtu.be/BEb_AnPWPwY?t=3m57s First, the information to be transmitted, called as plain text(or message) is fed to an Encryption system. The Encyrption system uses a key to convert the plain text to encyrpted form which looks like garbage value. This is also called as cipher text. A corresponding key is used at the other end to decrypt the cipher text back to original message. When we say a key, it actually means a piece of string value which is fed to encyprtion and decryption algorithms along with the text for transformation. When the message reaches the destination, this system at the other end decrypts the cipher text into original message with the help of the key. This is called as Decryption System. The output of the Decryption System is the intended message. Depending on how the keys are shared, we can classify crytography as symmetric and asymmetric. If the keys used by both parties are same, then it is called symmetric key cryptography, or private key cryptography. If both parties use different keys for encyrption and decryption, then it is called asymmetric key cryptography or public key cryptography. video URL : https://www.youtube.com/watch?v=BEb_AnPWPwY Watch ALL CN VIDEOS: https://www.youtube.com/playlist?list=PL9OIoIp8YySF4mkIihOb_j2HZIRIlYuEx For more, visit http://www.EngineeringMentor.com Facebook: https://www.facebook.com/EngineeringMentor Twitter : https://twitter.com/Engi_Mentor
Views: 108481 Skill Gurukul
Chaos-based fast colour image encryption scheme with true random number keys
 
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Chaos-based fast colour image encryption scheme with true random number keys from environmental noise To get this project in ONLINE or through TRAINING Sessions, Contact: JP INFOTECH, Old No.31, New No.86, 1st Floor, 1st Avenue, Ashok Pillar, Chennai -83.Landmark: Next to Kotak Mahendra Bank. Pondicherry Office: JP INFOTECH, #37, Kamaraj Salai,Thattanchavady, Puducherry -9.Landmark: Next to VVP Nagar Arch. Mobile: (0) 9952649690, Email: [email protected], web: http://www.jpinfotech.org The paper proposes a chaos-based colour image encryption scheme, the highlight is that the randomly sampled noise signal is applied to serve as the initial values of a chaotic system. The 256-bit hash value of noise is transformed into the one-time initial values of the Liu system. The sequences generated by Liu system are subjected to three batteries of TestU01. Exclusive OR, the only operation, is applied to diffuse the pixels, and some measures are taken to speed up the encryption process. Finally, some statistical tests are performed to assess reliability and efficiency of the proposed cryptosystem in terms of time complexity and security.
Views: 828 jpinfotechprojects
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: 640283 Art of the Problem
How Internet Encryption Works - Diffie Hellman Public Key Cryptography
 
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In this video, we learn how internet encryption works to secure your data. Diffie Hellman is the most popular form of internet encryption. It allows two or more parties to exchange information securely. We look at how it works, in general, and then we look at the specific equations that are behind it. We also discuss downfalls with Diffie Hellman, which now requires 2048 bit keys, and the potential for Elliptic Curve Cryptography. For all your Global IT Security Needs, in Edmonton, AB and around the world: Call us 24/7 at 1 866 716 8955 / 780 628 1816 Visit us at https://www.hsmitservices.com/network-security We'll take care of you!
Views: 293 HSM IT Services
Lossless and Reversible Data Hiding in Encrypted Images with  Public Key Cryptography
 
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Including Packages ======================= * Base Paper * Complete Source Code * Complete Documentation * Complete Presentation Slides * Flow Diagram * Database File * Screenshots * Execution Procedure * Readme File * Addons * Video Tutorials * Supporting Softwares Specialization ======================= * 24/7 Support * Ticketing System * Voice Conference * Video On Demand * * Remote Connectivity * * Code Customization ** * Document Customization ** * Live Chat Support * Toll Free Support * Call Us:+91 967-774-8277, +91 967-775-1577, +91 958-553-3547 Shop Now @ http://myprojectbazaar.com Get Discount @ https://goo.gl/dhBA4M Chat Now @ http://goo.gl/snglrO Visit Our Channel: https://www.youtube.com/user/myprojectbazaar Mail Us: [email protected]
Views: 56 myproject bazaar
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: 17702 Nevon 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 Do Your Projects With Technology Experts To Get this projects Call : 9566355386 / 99625 88976 Web : http://www.lemenizinfotech.com Web : http://www.ieeemaster.com Blog : http://ieeeprojectspondicherry.weebly.com Blog : http://www.ieeeprojectsinpondicherry.blogspot.in/ Youtube:https://www.youtube.com/watch?v=eesBNUnKvws Mail : [email protected]
Views: 124 Nageswaran A
Public Key Encryption With Fully Homomorphic Encryption
 
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https://asecuritysite.com/encryption/hom_public
Views: 272 Bill Buchanan OBE
Encryption and Decryption of Video Stream for Unsecure Channel
 
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Encryption/Decryption is based on Asymmetric key algorithm that uses both public key and private key for securing the sender‟s data over unsecured channel. For making it more efficient, we are parallelizing RSA algorithm in MATLAB.
Views: 109 GARIMA YADAV
Digital Signature Algorithm (DSA) - Public Key Cryptography w/ JAVA   (tutorial 07)
 
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Website + download source code @ http://www.zaneacademy.com | RSA Digital Signature @ https://youtu.be/5MxeckDiC18 | Elgamal Digital Signature @ https://youtu.be/gsie9ldUZ4c
Views: 260 zaneacademy
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 embedding in image Matlab
 
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This code reads raw text from an input notepad. It is then encrypted using RSA encryption algorithm. This encrypted text is then hidden in the 8 bit planes of an input grayscale image. This image is then read back, embedded encrypted text from the bit planes are read back, it is then decrypted, then the resulting raw text is displayed. MSE PSNR between original image and encrypted text embedded image is shown. Code will work for any amount of text in the input notepad. There is no limitation. Code can be modified based on customer requirements. If you are interested in buying this code, please drop an email to [email protected], or please visit matlabz.com
Views: 9474 Matlabz T
Public Key Cryptosystems: Stronger Security from General Assumptions
 
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Public key encryption (PKE) allows parties that had never met in advance to communicate over an unsafe channel. The notion was conceived in the 1970s, followed by the discovery that one could provide formal definitions of security for this and other cryptographic problems, and that such definitions were achievable by assuming the hardness of some computational problem (e.g., factoring large numbers). For PKE, the most basic security definition -- semantic security -- guarantees privacy, namely that it is infeasible to learn anything about the plaintext from its encryption. However, as cryptographic applications grew more sophisticated, this level of security is often not sufficient, since it does not protect against active attacks arising in networked environments. In this talk I will review some of my work aimed at achieving stronger security notions for public key encryption, including protections against adaptive corruptions, man-in-the-middle attacks (non-malleability), chosen ciphertext security, and, if time allows, tampering attacks. The emphasis of this line of work is on achieving the stronger notion from as general an assumption as possible (e.g., directly from semantically secure PKE), as well as achieving a black box construction, namely using the underlying scheme as a subroutine, without assuming it has any special structure or algebraic properties. This allows for more efficient cryptosystems that can be instantiated with a larger set of assumptions. Based on several joint works with different coauthors. The main part of the talk will be based on joint works with Seung Geol Choi, Dana Dachman-Soled, and Hoeteck Wee.
Views: 95 Microsoft Research
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
 
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Views: 43 KI Tech Solutions
Public Key Cryptography w/ JAVA  (tutorial 03) - DHKE w/ Encryption
 
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Public Key Cryptography w/ JAVA (tutorial 03) - DHKE w/ Encryption | Website + download source code @ http://www.zaneacademy.com
Views: 355 zaneacademy
Public Key Cryptography w/ JAVA   (tutorial 06)  - Elgamal Digital Signature
 
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Website + download source code @ http://www.zaneacademy.com | RSA Digital Signature @ https://youtu.be/5MxeckDiC18 | Digital Signature Algorithm (DSA) @ https://youtu.be/hOFv79Fs5As
Views: 138 zaneacademy
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: 381 finalsemprojects
Image Cryptography
 
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This dissertion helps people in making image more secure
Views: 665 vinay verma
VHDL Implementation of Lossless and Reversible Data Hiding in Encrypted Images with Public Key
 
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VHDL Implementation of Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography Wide Damping Region for LCL-Type Grid-Connected Inverter with an Improved Capacitor-Current-Feedback Method To get this project in ONLINE or through TRAINING Sessions, Contact:JP INFOTECH, Old No.31, New No.86, 1st Floor, 1st Avenue, Ashok Pillar, Chennai -83. Landmark: Next to Kotak Mahendra Bank. Pondicherry Office: JP INFOTECH, #45, Kamaraj Salai, Thattanchavady, Puducherry -9. Landmark: Next to VVP Nagar Arch. Mobile: (0) 9952649690 , Email: [email protected], web: www.jpinfotech.org Blog: www.jpinfotech.blogspot.com This paper proposes a lossless, a reversible, and a combined data hiding schemes for ciphertext images encrypted by public key cryptosystems with probabilistic and homomorphic properties. In the lossless scheme, the ciphertext pixels are replaced with new values to embed the additional data into several LSB-planes of ciphertext pixels by multi-layer wet paper coding. Then, the embedded data can be directly extracted from the encrypted domain, and the data embedding operation does not affect the decryption of original plaintext image. In the reversible scheme, a preprocessing is employed to shrink the image histogram before image encryption, so that the modification on encrypted images for data embedding will not cause any pixel oversaturation in plaintext domain. Although a slight distortion is introduced, the embedded data can be extracted and the original image can be recovered from the directly decrypted image. Due to the compatibility between the lossless and reversible schemes, the data embedding operations in the two manners can be simultaneously performed in an encrypted image. With the combined technique, a receiver may extract a part of embedded data before decryption, and extract another part of embedded data and recover the original plaintext image after decryption.
Views: 123 jpinfotechprojects
Lossless and Reversible Data Hiding in Encrypted Images with Public Key Cryptography
 
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Public-key cryptography
 
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Public-key cryptography, also known as asymmetric cryptography, is a class of cryptographic algorithms which require two separate keys, one of which is secret (or private) and one of which is public. Although different, the two parts of this key pair are mathematically linked. The public key is used to encrypt plaintext or to verify a digital signature; whereas the private key is used to decrypt ciphertext or to create a digital signature. The term "asymmetric" stems from the use of different keys to perform these opposite functions, each the inverse of the other -- as contrasted with conventional ("symmetric") cryptography which relies on the same key to perform both. Public-key algorithms are based on mathematical problems which currently admit no efficient solution that are inherent in certain integer factorization, discrete logarithm, and elliptic curve relationships. It is computationally easy for a user to generate their own public and private key-pair and to use them for encryption and decryption. The strength lies in the fact that it is "impossible" (computationally infeasible) for a properly generated private key to be determined from its corresponding public key. Thus the public key may be published without compromising security, whereas the private key must not be revealed to anyone not authorized to read messages or perform digital signatures. Public key algorithms, unlike symmetric key algorithms, do not require a secure initial exchange of one (or more) secret keys between the parties. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 774 Audiopedia
Guide to Applications of Homomorphic Encryption
 
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Homomorphic encryption is an encryption function which permits encrypted data to be computed without decryption. It is considered as a solution for protecting privacy information in present situations such as cloud computing and machine communication. In this talk, I explain the basic arithmetics under homomorphic encryption: equality and comparison. Then I show how to apply to real world problems: private database query processing and homomorphic computation of (approximate) edit distance for genomic analysis.
Views: 1746 Microsoft Research
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: 35370 Sylvain Saurel
An advanced XOR encryption for image  | Image Processing #9 | HBY coding academic
 
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This video introduces an encryption technique === XOR encryption === the main concept is described below key ⊕ secret = cipher cipher ⊕ key = secret If you have any questions or suggestions Welcome to comment below~ 這支影片將介紹一個加密的技術 === XOR 加密 === 其主要概念如下: 鑰匙⊕秘密=祕文 祕文⊕鑰匙=秘密 如有任何問題或意見,歡迎在下方留言討論~
Views: 227 HBY coding academic
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
Using Putty Gen to generate Key Pair and login to AWS Image
 
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This video shows how to use Putty Gen to create a Key Pair, upload Public Key into AWS Cloud, use that Public Key to launch an instance, and use the private key to access the VM instance.
Views: 12221 Mohammad Zaman
Blockchain tutorial 11: Elliptic Curve key pair generation
 
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This is part 11 of the Blockchain tutorial explaining how the generate a public private key using Elliptic Curve. In this video series different topics will be explained which will help you to understand blockchain. Bitcoin released as open source software in 2009 is a cryptocurrency invented by Satoshi Nakamoto (unidentified person or group of persons). After the introduction of Bitcoin many Bitcoin alternatives were created. These alternate cryptocurrencies are called Altcoins (Litecoin, Dodgecoin etc). Bitcoin's underlying technology is called Blockchain. The Blockchain is a distributed decentralized incorruptible database (ledger) that records blocks of digital information. Each block contains a timestamp and a link to a previous block. Soon people realises that there many other use cases where the Blockchain technology can be applied and not just as a cryptocurrency application. New Blockchain platforms were created based on the Blockchain technology, one of which is called Ethereum. Ethereum focuses on running programming code, called smart contracts, on any decentralized application. Using the new Blockchain platforms, Blockchain technology can be used in supply chain management, healthcare, real estate, identity management, voting, internet of things, etcetera, just to name a few. Today there is a growing interest in Blockchain not only in the financial sector but also in other sectors. Explaining how Blockchain works is not easy and for many the Blockchain technology remains an elusive concept. This video series tries to explain Blockchain to a large audience but from the bottom up. Keywords often used in Blockchain conversation will be explained. Each Blockchain video is short and to the point. It is recommended to watch each video sequentially as I may refer to certain Blockchain topics explained earlier. Check out all my other Blockchain tutorial videos https://goo.gl/aMTFHU Subscribe to my YouTube channel https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: http://www.mobilefish.com/developer/blockchain/blockchain_quickguide_tutorial.html The presentation used in this video tutorial can be found at: http://www.mobilefish.com/developer/blockchain/blockchain_quickguide_tutorial.html The python script used in the video: https://www.mobilefish.com/download/cryptocurrency/bitcoin_ec_key_generation.py.txt Cryptocurrency address generator and validator: https://www.mobilefish.com/services/cryptocurrency/cryptocurrency.html Desmos graph: https://www.desmos.com/calculator/kkj2efqk5x James D'Angelo, Bitcoin 101 Elliptic Curve Cryptography Part 4: https://youtu.be/iB3HcPgm_FI #mobilefish #blockchain #bitcoin #cryptocurrency #ethereum
Views: 19024 Mobilefish.com
Bloom filter encryption and applications to efficient forward-secret 0-RTT key exchange
 
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Technical talks from the Real World Crypto conference series.
Views: 1053 Real World Crypto
image encryption and decryption in MATLAB using image processing
 
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hey friends ! this project is all about encryption and decryption in image processing using MATLAB. link of project code is in the description box below. open the downloaded folder. run the code and enjoy ! project code- https://goo.gl/WhHbpc
Views: 1538 THE ECE PROJECTS
[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: 262 Saferoom App
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: 2055 Microsoft Research
Fully Homomorphic Encryption over the Integers with Shorter Public Keys
 
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At Eurocrypt 2010 van Dijk {\sl et al.} described a fully homomorphic encryption scheme over the integers. The main appeal of this scheme (compared to Gentry's) is its conceptual simplicity. This simplicity comes at the expense of a public key size in ${\cal \tilde O}(\lambda^{10})$ which is too large for any practical system. In this paper we reduce the public key size to ${\cal \tilde O}(\lambda^{7})$ by encrypting with a quadratic form in the public key elements, instead of a linear form. We prove that the scheme remains semantically secure, based on a stronger variant of the approximate-GCD problem, already considered by van Dijk {\sl et al}. We also describe the first implementation of the resulting fully homomorphic scheme. Borrowing some optimizations from the recent Gentry-Halevi implementation of Gentry's scheme, we obtain roughly the same level of efficiency. This shows that fully homomorphic encryption can be implemented using simple arithmetic operations.
Views: 620 Microsoft Research
SSL Certificate Explained
 
02:56
Views: 872604 dtommy1979
Deterministic Encryption: Theory and Applications
 
01:04:59
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: 193 Microsoft Research
How To Encrypt & Decrypt Files On Android
 
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How To Encrypt & Decrypt Files On Android Hello friends aaj main aap ko is video how to encrypt and decrypt files on android video main mein aap ko kisi bhi private file ko secure kaise rakhe aur kis bhi file ko encrypt kaise kare iske baare main explain kerne wala hu. Is video main meine aap ko encryption ki meaning bhi explain ki h aur file ko encrypt bhi ker ke dikhaya h aur aap ko file ko baad main decrypt bhi kerna explain kiya h. Aap logo ko ye application install kerne ke liye niche diye gaye website link per jana hoga uske baad waha per aap ko uska download link mil gayega. Application Link :http://www.androidsmartsupport.com/encrypt-files-android-also-decrypt/ Ager aap ko ye video pasand aaya to Like, Share and don’t forget to SUBSCRIBE my channel aur koi sawal ya sujhav ho to comment section main comment kare. Follows on twitter :https://twitter.com/Techupdate01 Follows on instagram :https://www.instagram.com/techupdate0512/
Views: 46544 Tech Update
Image Encryption and Decryption
 
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ChennaiSunday Systems Pvt.Ltd We are ready to provide guidance to successfully complete your projects and also download the abstract, base paper from our website IEEE 2014 Java Projects: http://www.chennaisunday.com/projectsNew.php?id=1&catName=IEEE_2014-2015_Java_Projects IEEE 2014 Dotnet Projects: http://www.chennaisunday.com/projectsNew.php?id=20&catName=IEEE_2014-2015_DotNet_Projects Output Videos: https://www.youtube.com/channel/UCCpF34pmRlZbAsbkareU8_g/videos IEEE 2013 Java Projects: http://www.chennaisunday.com/projectsNew.php?id=2&catName=IEEE_2013-2014_Java_Projects IEEE 2013 Dotnet Projects: http://www.chennaisunday.com/projectsNew.php?id=3&catName=IEEE_2013-2014_Dotnet_Projects Output Videos: https://www.youtube.com/channel/UCpo4sL0gR8MFTOwGBCDqeFQ/videos IEEE 2012 Java Projects: http://www.chennaisunday.com/projectsNew.php?id=26&catName=IEEE_2012-2013_Java_Projects Output Videos: https://www.youtube.com/user/siva6351/videos IEEE 2012 Dotnet Projects: http://www.chennaisunday.com/projectsNew.php?id=28&catName=IEEE_2012-2013_Dotnet_Projects Output Videos: https://www.youtube.com/channel/UC4nV8PIFppB4r2wF5N4ipqA/videos IEEE 2011 Java Projects: http://chennaisunday.com/projectsNew.php?id=29&catName=IEEE_2011-2012_Java_Project IEEE 2011 Dotnet Projects: http://chennaisunday.com/projectsNew.php?id=33&catName=IEEE_2011-2012_Dotnet_Projects Output Videos: https://www.youtube.com/channel/UCtmBGO0q5XZ5UsMW0oDhZ-A/videos IEEE PHP Projects: http://www.chennaisunday.com/projectsNew.php?id=41&catName=IEEE_PHP_Projects Output Videos: https://www.youtube.com/user/siva6351/videos Java Application Projects: http://www.chennaisunday.com/projectsNew.php?id=34&catName=Java_Application_Projects Dotnet Application Projects: http://www.chennaisunday.com/projectsNew.php?id=35&catName=Dotnet_Application_Projects Android Application Projects: http://www.chennaisunday.com/projectsNew.php?id=36&catName=Android_Application_Projects PHP Application Projects: http://www.chennaisunday.com/projectsNew.php?id=37&catName=PHP_Application_Projects Struts Application Projects: http://www.chennaisunday.com/projectsNew.php?id=38&catName=Struts_Application_Projects Java Mini Projects: http://www.chennaisunday.com/projectsNew.php?id=39&catName=Java_Mini_Projects Dotnet Mini Projects: http://www.chennaisunday.com/projectsNew.php?id=40&catName=Dotnet_Mini_Projects -- *Contact * * P.Sivakumar MCA Director Chennai Sunday Systems Pvt Ltd Phone No: 09566137117 No: 1,15th Street Vel Flats Ashok Nagar Chennai-83 Landmark R3 Police Station Signal (Via 19th Street) URL: www.chennaisunday.com Map View: http://chennaisunday.com/locationmap.php
Views: 869 Chennai Sunday
A Secure Image Steganography Based on RSA Algorithm and Hash LSB Technique
 
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Title: A Secure Image Steganography Based on RSA Algorithm and Hash LSB Technique Domain: Image Processing Key Features: 1. We develop a novel multicarrier/ signature iterative generalized least-squares (M-IGLS) core procedure to seek unknown data hidden in hosts via multicarrier spread-spectrum embedding. Neither the original host nor the embedding carriers are assumed available. Experimental studies on images show that the developed algorithm can achieve recovery probability of error close to what may be attained with known embedding carriers and host autocorrelation matrix. 2. We propose the information hiding concept to reduce the risk of using cryptographic algorithms alone. Data hiding techniques embed information into another medium making it imperceptible to others, except for those that are meant to receive the hidden information and are aware of it presence. It focuses on methods of hidden data in which cryptographic algorithms are combined with the information hiding techniques to increase the security of transmitted data. We focus our attention on the blind recovery of secret data hidden in medium hosts via multi-carrier/signature direct-sequence spread-spectrum transform domain embedding. 3. Digital steganography can hide confidential data (i.e. secret files) very securely by embedding them into some media data called "vessel data." The vessel data is also referred to as "carrier, cover, or dummy data". In Steganography images used for vessel data. The embedding operation in practice is to replace the "complex areas" on the bit planes of the vessel image with the confidential data. For more details contact: E-Mail: [email protected] Buy Whole Project Kit for Rs 5000%. Project Kit: • 1 Review PPT • 2nd Review PPT • Full Coding with described algorithm • Video File • Full Document Note: *For bull purchase of projects and for outsourcing in various domains such as Java, .Net, .PHP, NS2, Matlab, Android, Embedded, Bio-Medical, Electrical, Robotic etc. contact us. *Contact for Real Time Projects, Web Development and Web Hosting services. *Comment and share on this video and win exciting developed projects for free of cost. Search Terms: 1. 2017 ieee image processing projects 2. 2017 image processing students projects 3. 2017 image processing final year students projects 4, 2017 ieee projects in steganography 5, 2017 ieee projects in video steganography 6. 2017 hash lsb technique ieee projects 7, opencv ieee image processing projects 8, ieee image processing projects 2017 9, 2017 opencv ieee image processing projects 10, best opencv ieee image processing projects 11, 2017 ieee image processing base papers 12, latest ieee base papers on image processing 13, ieee seminar topics on image processing 14, image processing seminar topics 2017 15, recent ieee papers on image processing 16, ieee papers on image processing 2017 free download 17, ieee papers on image processing 2017 18, 2017 ieee papers on digital image processing
Views: 2814 InnovationAdsOfIndia
Fully Homomorphic Encryption; Bi-Deniable Encryption; We Have The Technology, Now Where Next?
 
01:47:47
Fully Homomorphic Encryption over the Integers Vinod Vaikuntanathan, Microsoft Research We construct a simple fully homomorphic encryption scheme, using only elementary modular arithmetic. The security of our scheme relies on the hardness of the approximate integer greatest common divisors (gcd) problem -- namely, given a list of integers that are 'near-multiples' of a hidden integer, output that hidden integer. Joint work with Marten van Dijk, Craig Gentry, and Shai Halevi. Bi-Deniable Encryption Chris Peikert, Georgia Tech A *deniable* encryption scheme allows a sender and/or receiver, having already performed some encrypted communication, to produce `fake' but legitimate-looking encryption coins and/or decryption keys that make the ciphertext appear as an encryption of some message other than the `true' one. Deniability is a powerful notion for both theory and practice: apart from its inherent utility for resisting coercion, a deniable scheme is also *noncommitting* (an important property for constructing adaptively secure protocols), and secure under selective-opening attacks. To date, however, known constructions have achieved only limited forms of deniability, requiring at least one party to remain uncoerced, and in some cases using an interactive protocol. Our main result is a *bideniable* public-key cryptosystem, i.e., one in which both the sender and receiver can simultaneously equivocate; we stress that the scheme is noninteractive and involves no external parties. The construction is based on the (worst-case) hardness of lattice problems. This is joint work with Adam O'Neill at Georgia Tech. We Have The Technology, Now Where Next? David Molnar, MSR What will it take to convince people that cryptography makes the cloud safe? How might our favourite cryptographic constructions work together with systems moving to the cloud? I will describe examples where existing policies blocked movement of data or computation to the cloud. I will then discuss trends in cloud audit approaches and in document labeling that may be complementary to the use of cloud cryptography. Finally I will talk about what is required today for storing highly sensitive data on premises in a large company.
Views: 644 Microsoft Research
Steganograhy [Please read description]
 
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Sorry, if you did not understand things about what I talked in video. I made it in a hotchpotch. Well, here are the thingies about what I wanted to discuss in the video. What is Steganography? Steganography is a means of obscuring data where secret messages are hidden inside computer files such as images, sound files, videos and even executable files so that, no one except the sender and the receiver will suspect the existence of stealth information in it. Steganography may also involve the usage of cryptography where the message is first encrypted before it is concealed in another file. Generally, the messages appear to be something else such as an image, sound or video so that the transfer of secret data remains unsuspected. The main advantage of steganography over other methods such as cryptography is that, it will not arose suspicion even if the files fall in the hands of a third party. Unlike cryptographic messages, stegnographic messages will no way attract the attention of a third party by themselves. Thus stegnanography has an upper hand over cryptography as it involves both encryption and obscurity. What are the Applications of Steganography? Steganography is mainly used to obscure confidential information/data during storage or transmission. For example, one can hide a secret message in an audio file and send this to another party via email instead of sending the message in the textual format. The receiver on the other end will decrypt the hidden message using the private decryption key. In a worst case scenario, even if a third party does manage to gain access to the email, all he can find is the audio file and not the hidden data inside it. Other usage of steganography include digital watermarking of images for reasons such as copyright protection. Even though steganography has many useful applications, some may use this technique for illegitimate purposes such as hiding a pornographic content in other large files. Rumors about terrorists using steganography for hiding and communicating their secret information and instructions are also reported. An article claiming that, al-Queda had used steganography to encode messages in images and transported them via e-mails, was reported by New York Times, in October 2001. How do Steganography Tools Work? Stegnography tools implement intelligent algorithms to carefully embed the encrypted text messages or data inside other larger files such as an image, audio, video or an executable file. Some tools will embed the encrypted data at the end of another file so that there will be enough room for storing larger data. There are many steganography tools available online but only a few are able to work flawlessly. I did not find any tool that worked perfectly on both small and large data. However, I have managed to develop my own tool that can work perfectly on all types of files and all size of data. The tool is called “Stego Magic“. You can download it from the following link. Here is the link as discussed in the video :- http://www.gohacking.com/downloads/resources/StegoMagic.zip The zip file contains two versions of Stego Magic: One for encrypting the text messages and the other for encrypting binary files. StegoMagic_TXT can be used to hide text messages in other files such as an image or a sound file. StegoMagic_BIN can be used to hide one binary file in another such as an executable file inside an image or an image inside a video file. With Stego Magic, there is no limitation on the size and type of the file that you are intending to hide. For example, you can hide a video of size 1 GB in an image of size 1 MB or hide an executable file inside a WORD document. The tool is pretty straightforward to use and requires no special understanding of the concept. At the end of the encryption process, a secret decryption key will be generated and the same is required during the decryption process. How to Use Stego Magic? Suppose you want to hide a text message inside a JPG file: 1. Place the JPG and the text file (.txt) in the same folder as that of StegoMagic_TXT.exe 2. Run StegoMagic_TXT.exe and follow the screen instructions to embed the text message inside the JPG image. Also, as discussed in the video, in Windows 7 and Vista you need to run it as administrator. 3. Note down the secret decryption key. Now you can send this image to your friend via email. To decrypt the hidden message, your friend should load this JPG file onto the Stego Magic tool and use the secret decryption key. I hope you’ve now understood what is steganography and how to use it to hide your secret data. For queries and feedback, please pass your comments.
Views: 1307 Hack Jack
Make your own public private key file encryptor in visual basic.
 
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A visual basic project that makes a file encryptor to send files to your friends that no one but your friend can read. It uses the public private key method. Only a user with a private key can read anything encrypted with his public key. The goal here is to help make it easier to understand how to use public and private keys when encrypting files and the importance of privacy. The method of encryption is technically called asymmetric encryption, but also called public key cryptography. In the video there is also a quick example of how to show attribution properly when using freely available resources. There is an image used available under a creative commons license. The programming code and exe program are available here: h ttps://sites.google.com/site/programmingcodeexamples https://sites.google.com/site/programmingcodeexamples
Views: 126 Bob King
IEEE 2016-2017 JAVA PROJECTS SERVER AIDED PUBLIC KEY ENCRYPTION WITH KEYWORD SEARCH
 
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PG Embedded Systems www.pgembeddedsystems.com #197 B, Surandai Road Pavoorchatram,Tenkasi Tirunelveli Tamil Nadu India 627 808 Tel:04633-251200 Mob:+91-98658-62045 General Information and Enquiries: [email protected] PROJECTS FROM PG EMBEDDED SYSTEMS 2016 ieee projects, 2016 ieee java projects, 2016 ieee dotnet projects, 2016 ieee android projects, 2016 ieee matlab projects, 2016 ieee embedded projects, 2016 ieee robotics projects, 2016 IEEE EEE PROJECTS, 2016 IEEE POWER ELECTRONICS PROJECTS, ieee 2016 android projects, ieee 2016 java projects, ieee 2016 dotnet projects, 2016 ieee mtech projects, 2016 ieee btech projects, 2016 ieee be projects, ieee 2016 projects for cse, 2016 ieee cse projects, 2016 ieee it projects, 2016 ieee ece projects, 2016 ieee mca projects, 2016 ieee mphil projects, tirunelveli ieee projects, best project centre in tirunelveli, bulk ieee projects, pg embedded systems ieee projects, pg embedded systems ieee projects, latest ieee projects, ieee projects for mtech, ieee projects for btech, ieee projects for mphil, ieee projects for be, ieee projects, student projects, students ieee projects, ieee proejcts india, ms projects, bits pilani ms projects, uk ms projects, ms ieee projects, ieee android real time projects, 2016 mtech projects, 2016 mphil projects, 2016 ieee projects with source code, tirunelveli mtech projects, pg embedded systems ieee projects, ieee projects, 2016 ieee project source code, journal paper publication guidance, conference paper publication guidance, ieee project, free ieee project, ieee projects for students., 2016 ieee omnet++ projects, ieee 2016 oment++ project, innovative ieee projects, latest ieee projects, 2016 latest ieee projects, ieee cloud computing projects, 2016 ieee cloud computing projects, 2016 ieee networking projects, ieee networking projects, 2016 ieee data mining projects, ieee data mining projects, 2016 ieee network security projects, ieee network security projects, 2016 ieee image processing projects, ieee image processing projects, ieee parallel and distributed system projects, ieee information security projects, 2016 wireles6s networking projects ieee, 2016 ieee web service projects, 2016 ieee soa projects, ieee 2016 vlsi projects, NS2 PROJECTS,NS3 PROJECTS. DOWNLOAD IEEE PROJECTS: 2016 IEEE java projects,2016 ieee Project Titles, 2016 IEEE cse Project Titles, 2016 IEEE NS2 Project Titles, 2016 IEEE dotnet Project Titles. IEEE Software Project Titles, IEEE Embedded System Project Titles, IEEE JavaProject Titles, IEEE DotNET ... IEEE Projects 2016 - 2016 ... Image Processing. IEEE 2016 - 2016 Projects | IEEE Latest Projects 2016 - 2016 | IEEE ECE Projects 2016 - 2016, matlab projects, vlsi projects, software projects, embedded. eee projects download, base paper for ieee projects, ieee projects list, ieee projectstitles, ieee projects for cse, ieee projects on networking,ieee projects. Image Processing ieee projects with source code, Image Processing ieee projectsfree download, Image Processing application projects free download. .NET Project Titles, 2016 IEEE C#, C Sharp Project Titles, 2016 IEEE EmbeddedProject Titles, 2016 IEEE NS2 Project Titles, 2016 IEEE Android Project Titles. 2016 IEEE PROJECTS, IEEE PROJECTS FOR CSE 2016, IEEE 2016 PROJECT TITLES, M.TECH. PROJECTS 2016, IEEE 2016 ME PROJECTS.
Views: 152 PG Embedded Systems
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]zewailcity.edu.eg List of all my codes: https://gumroad.com/ahmedsaleh =================================================== Hire me directly on freelancer: https://www.freelancer.com/u/AhmedSobhiSaleh ===================================================
Views: 1403 Ahmed Saleh
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: 137 intrigano
Swift 4: RSA Asymmetric Public Key Encryption - Secure Your iOS 11 App. How to in Xcode 9!
 
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This tutorial shows you how to generate RSA Public Keys and store them in the Key Chain in Swift 4 and Xcode 9 Public Key Encryption allow you to securely encrypt communications within your iOS 11 apps and we will be showing you how to do this using the Firebase database iOS Keys are made available in the SecKey format and we will need to change these to a String format to save the public key to the Firebase database for distribution. Tutorial 2:13 In this tutorial we will be using RSA Public Key Encryption which is an asymmetric encryption type.
Views: 1944 Swift Almanac