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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: 497917 itfreetraining
Cryptography: What are the advantages and disadvantages of AES & Triple-DES?
 
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Cryptography: What are the advantages and disadvantages of AES over Triple-DES? Advantages of 3DES over AES Advantages of AES over 3DES Advanced Encryption Standard software security ethical hacking I do not recommend the use of 3DES over AES. DES is considered antiquated, even as 3DES prolongs its life. #Shaharear #Encryption #Cryptography
Views: 165 Shaharear
Martijn Grooten - Elliptic Curve Cryptography for those who are afraid of maths
 
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Elliptic Curve Cryptography (ECC) is hot. Far better scalable than traditional encryption, more and more data and networks are being protected using ECC. Not many people know the gory details of ECC though, which given its increasing prevalence is a very bad thing. In this presentation I will turn all members of the audience into ECC experts who will be able to implement the relevant algorithms and also audit existing implementations to find weaknesses or backdoors. Actually, I won't. To fully understand ECC to a point where you could use it in practice, you would need to spend years inside university lecture rooms to study number theory, geometry and software engineering. And then you can probably still be fooled by a backdoored implementation. What I will do, however, is explain the basics of ECC. I'll skip over the gory maths (it will help if you can add up, but that's about the extent of it) and explain how this funny thing referred to as "point addition on curves" can be used to exchange a secret code between two entities over a public connection. I will also explain how the infamous backdoor in Dual_EC_DRGB (a random number generator that uses the same kind of maths) worked. At the end of the presentation, you'll still not be able to find such backdoors yourselves and you probably realise you never will. But you will be able to understand articles about ECC a little better. And, hopefully, you will be convinced it is important that we educate more people to become ECC-experts.
Views: 26475 Security BSides London
RSA Algorithm with solved Example | e-Commerce
 
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RSA Algorithm with solved Example | e-Commerce RSA is an algorithm used by modern computers to encrypt and decrypt messages. It is an asymmetric cryptographic algorithm. Asymmetric means that there are two different keys. This is also called public key cryptography, because one of the keys can be given to anyone. The other key must be kept private. Since this is asymmetric, nobody else except browser can decrypt the data even if a third party has public key of browser. I. Choose two distinct prime numbers p and q. II. Find n such that n = pq. n will be used as the modulus for both the public and private keys. III. Find the totient of n, ϕ(n) ϕ(n)=(p-1)(q-1). IV. Choose an e such that ϕ(n) share no divisors other than 1 (e and ϕ(n) are relatively prime). e is kept as the public key exponent. V. Determine d (using modular arithmetic) which satisfies the congruence relation de ≡ 1 (mod ϕ(n)). In other words, pick d such that de - 1 can be evenly divided by (p-1)(q-1), the totient, or ϕ(n). This is often computed using the Extended Euclidean Algorithm, since e and ϕ(n) are relatively prime and d is to be the modular multiplicative inverse of e. d is kept as the private key exponent. The public key has modulus n and the public (or encryption) exponent e. The private key has modulus n and the private (or decryption) exponent d, which is kept secret. #BikkiMahato The best part is: it is all completely free! ------------------------------------------------------------------------------ Follow :) Youtube: https://www.youtube.com/c/BikkiMahato Facebook: https://www.facebook.com/mahatobikki Facebook Page:https://www.facebook.com/youtubebikki Twitter:https://twitter.com/mahato_bikki Instagram:https://www.instagram.com/bikkimahato Google+:https://plus.google.com/u/0/+BikkiMahato Blogger:https://bikkimahato.blogspot.in Pinterest:https://in.pinterest.com/bikkimahato123/ LinkedIn:https://www.linkedin.com/in/bikkimahato ------------------------------------------------------------------------------ Support :) Tez : 8100147475 Paytm : 8100147475 PhonePe : 8100147475 Patreon : https://www.patreon.com/bikkimahato Instamojo : https://www.instamojo.com/@bikkimahato Paypal : https://www.paypal.me/bikkimahato ------------------------------------------------------------------------------ Send me letters! 30/2/C Dharmatala Road Belur-Howrah-711202 West Bengal,India
Views: 112 Bikki Mahato
Transmition Encrypt and Decrypt Code in Arduino
 
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Transmition Encrypt and Decrypt Code in Arduino Code and Simulation Transmitter encrypt Code Send to Receiver. Receiver decrypt Code after receive from Transmitter. Instructor: Chan Tola Upload by Tann Thona
Views: 2888 Thona Tann
Encrypt And Decrypt Data In A Golang Application With The Crypto Packages
 
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Learn how to encrypt and decrypt data with AES in a Golang application using available crypto packages. A written version of this tutorial can be found at https://www.thepolyglotdeveloper.com/2018/02/encrypt-decrypt-data-golang-application-crypto-packages/
Views: 2473 Nic Raboy
Absolute Cryptography demo c#
 
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Small demonstration of our cryptography [C# programming language]. Do you want to try out our product? Apply on our website https://www.absmaria.com
RSA Algorithm
 
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For more information, visit us at: http://www.maplesoft.com/products/MapleSim/?ref=youtube
Views: 441 Maplesoft
SHA-1 (Secure hash Algorithm) working in English  | CSS series
 
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Take the full crash course of Cryptography and Security System for free at Last moment tuitions Full course : https://lastmomenttuitions.com/course/cryptography-and-system-security/ Sample Notes :https://goo.gl/QpZPF5 For full hand made notes of Artificial Intelligence its only 100 rs payment options is PAYTM :9762903078 once we get payment notification we will mail you the notes on your email id contact us at :[email protected] whatsapp :9762903078 apko koi bhi doubt ho toh app humko direct email ya phone kar sakte ho Cryptography and security systems Series introduction to CSS: https://goo.gl/tjrh1L security goals and mechanism:https://goo.gl/uq35hP symmetric cipher:https://goo.gl/KFxF9j Substitution cipher and its types:https://goo.gl/MKmPzk Transposition cipher:https://goo.gl/uHqD7i diffie -hellman: https://goo.gl/YrskC5 RSA Algorithm:https://goo.gl/KwzCBF Kerberos:https://goo.gl/MQPgzw IDEA algorithm : https://goo.gl/PTCqFH Dos and DDos attack: https://goo.gl/8T345G SQL injection:https://goo.gl/bcVHnw SHA-1 vs MD5 :https://goo.gl/QJBhJD chalo toh public bus pass hojao aur share karo videos ko whatsapp group apne last moment pe unn dosto ko jo apni tarah last moment pe padhte hai Aur videos CSS ke aane waale hai so Channel ko subscribe jaroor karna follow us on: https://www.instagram.com/last_moment_tuitions https://www.facebook.com/lastmomenttuition https://www.facebook.com/sumerr3
Views: 83100 Last moment tuitions
The one-time pad | Journey into cryptography | Computer Science | Khan Academy
 
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The perfect cipher Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/frequency-stability?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Missed the previous lesson? https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/polyalphabetic-cipher?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Computer Science on Khan Academy: Learn select topics from computer science - algorithms (how we solve common problems in computer science and measure the efficiency of our solutions), cryptography (how we protect secret information), and information theory (how we encode and compress information). About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Computer Science channel: https://www.youtube.com/channel/UC8uHgAVBOy5h1fDsjQghWCw?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 424935 Khan Academy
DES Bit-wise Complement Chosen Plaintext Attack
 
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Key Search Space for Chosen Plaintext Attack exploiting the bit-wise complement property-weakness of DES
Views: 3787 Natarajan Meghanathan
Firewall Introduction Architecture, Characteristics of Good Firewall, Limitations of Firewall
 
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Firewall Introduction - Architecture, Characteristics of Good Firewall, Limitations of Firewall Keywords: Firewall Limitations of Firewall Firewall Characteristics Firewall Architecture Network Security Notes
Provo Linux User Group - 8/17/2015 - Aaron Toponce - "Crypto Algorithms"
 
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Aaron Toponce will talk about symmetric and asymmetric cryptography, and the current cipher algorithms covering them, such as RSA, AES, and ECC. He'll talk about how encryption and decryption work, as well as digital signatures and verification. He'll include the Diffie-Hellman key exchange, and the SSL/TLS handshake. Further, given the disaster on OpenSSL during the year of 2014, he'll talk about the major threats that compromised online security with SSL and TLS. He'll explain the differences between: * SSL 2.0* SSL 3.0* TLS 1.0* TLS 1.1* TLS 1.2* TLS 1.3 (draft status) He'll talk about the implemented ciphers and hashes, including their advantages and shortcomings. He'll discuss the attacks that took advantage of these shortcomings, such as Heartbleed and POODLE. He'll show how system administrators how to properly secure their web, mail, and other servers that require SSL/TLS. Finally, he'll discuss OpenPGP and OpenSSH concepts. By the end of this talk, the basic mysticism that is crypto should be all cleared up.
Views: 383 Utah Open Source
what is encryption and decryption ? about cryptography | TECH SETTAI TAMIL
 
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what is encryption and decryption ? about cryptography | TECH SETTAI TAMIL its about the type of attack in cryptography, use of encryption and decryption. why encryption are used where encryption are used types of attack in cryptography and more SUBSCRIBE US BY CLICKING RED SUBSCRIBE BUTTON, SUPPORT US ON FB, TWITTER AND ALSO G+ twitter: https://twitter.com/TechSettai fb:https://www.facebook.com/techsettai/ g+ :https://plus.google.com/u/1/117864875... -~-~~-~~~-~~-~- Please watch: "how to install app not available in INDIA | TECH SETTAI TAMIL" https://www.youtube.com/watch?v=wF5JAhDvPQM -~-~~-~~~-~~-~-
Security Snippet: Triple DES
 
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The tutorial is at: http://www.asecuritysite.com/Encryption/threedes
Views: 3364 Bill Buchanan OBE
Cryptography: Crash Course Computer Science #33
 
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Today we’re going to talk about how to keep information secret, and this isn’t a new goal. From as early as Julius Caesar’s Caesar cipher to Mary, Queen of Scots, encrypted messages to kill Queen Elizabeth in 1587, theres has long been a need to encrypt and decrypt private correspondence. This proved especially critical during World War II as Allan Turing and his team at Bletchley Park attempted to decrypt messages from Nazi Enigma machines, and this need has only grown as more and more information sensitive tasks are completed on our computers. So today, we’re going to walk you through some common encryption techniques such as the Advanced Encryption Standard (AES), Diffie-Hellman Key Exchange, and RSA which are employed to keep your information safe, private, and secure. Note: In October of 2017, researchers released a viable hack against WPA2, known as KRACK Attack, which uses AES to ensure secure communication between computers and network routers. The problem isn't with AES, which is provably secure, but with the communication protocol between router and computer. In order to set up secure communication, the computer and router have to agree through what's called a "handshake". If this handshake is interrupted in just the right way, an attacker can cause the handshake to fault to an insecure state and reveal critical information which makes the connection insecure. As is often the case with these situations, the problem is with an implementation, not the secure algorithm itself. Our friends over at Computerphile have a great video on the topic: https://www.youtube.com/watch?v=mYtvjijATa4 Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Want to know more about Carrie Anne? https://about.me/carrieannephilbin The Latest from PBS Digital Studios: https://www.youtube.com/playlist?list=PL1mtdjDVOoOqJzeaJAV15Tq0tZ1vKj7ZV Want to find Crash Course elsewhere on the internet? Facebook - https://www.facebook.com/YouTubeCrash... Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
Views: 233142 CrashCourse
Encrypt And Decrypt Using TripleDES in Java
 
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Learn How Encrypt And Decrypt String Using TripleDES in Java
Views: 3199 Admin S
Signature Approach Advantages & Disadvantages
 
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This video is part of the Udacity course "Intro to Information Security". Watch the full course at https://www.udacity.com/course/ud459
Views: 501 Udacity
Needham-Schroeder Public Key Protocol [Explanation with analysis]
 
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This is video is made for my "Software Security" course presentation.
Views: 1158 Jubaer Hossain
NETWORK SECURITY - DIFFIE HELLMAN KEY EXCHANGE ALGORITHM
 
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This Algorithm is used to exchange the secret /symmetric key between sender and receiver. This exchange of key can be done with the help of public key and private key step 1 Assume prime number p step 2 Select a such that a is primitive root of p and a less than p step 3 Assume XA private key of user A step 4 Calculate YA public key of user A with the help of formula step 5 Assume XB private key of user B step 6 Calculate YB public key of user B with the help of formula step 7 Generate K secret Key using YB and XA with the help of formula at Sender side. step 8 Generate K secret Key using YA and XB with the help of formula at Receiver side.
Meet in the Middle Algorithm
 
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This tutorial talks about the Meet in the Middle algorithm used in competitive programming. It brings down the time complexity of a problem from O(a^b) to O(a^(b/2)). The example problems for finding elements in an array and 0-1 Knapsack are shown to be solved using Meet in the Middle.
Views: 9618 Gaurav Sen
Black Hat USA 2013 - The Factoring Dead: Preparing for the Cryptopocalypse
 
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By: Alex Stamos, Tom Ritter, Thomas Ptacek & Javed Samuel The last several years has seen an explosion of practical exploitation of widespread cryptographic weaknesses, such as BEAST, CRIME, Lucky 13 and the RC4 bias vulnerabilities. The invention of these techniques requires a lot of hard work, deep knowledge and the ability to generate a pithy acronym, but rarely involves the use of a completely unknown weakness. Cryptography researchers have known about the existence of compression oracles, RC4 biases and problems with CBC mode for years, but the general information security community has been unaware of these dangers until fully working exploits were demonstrated. In this talk, the speakers will explain the latest breakthroughs in the academic crypto community and look ahead at what practical issues could arise for popular cryptosystems. Specifically, we will focus on the latest breakthroughs in discrete mathematics and their potential ability to undermine our trust in the most basic asymmetric primitives, including RSA. We will explain the basic theories behind RSA and the state-of-the-art in large numbering factoring, and how several recent papers may point the way to massive improvements in this area. The talk will then switch to the practical aspects of the doomsday scenario, and will answer the question "What happens the day after RSA is broken?" We will point out the many obvious and hidden uses of RSA and related algorithms and outline how software engineers and security teams can operate in a post-RSA world. We will also discuss the results of our survey of popular products and software, and point out the ways in which individuals can prepare for the zombi^H^H^H crypto apocalypse.
Views: 3014 Black Hat
What is Initialization Vector(IV)?How Hackers use to Exploit the WEP interface!
 
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This video covers the working of the wep protocol and also explains you what an initialization vector is!!
Views: 444 Ajmal Cool
Golang Encryption
 
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Golang Encryption with secretbox - THIS VIDEO IS PART OF A PLAYLIST SERIES: https://goo.gl/68l88n --- MORE RESOURCES: code https://github.com/GoesToEleven/GolangTraining/ Learn The Language - Golang Training https://goo.gl/DB1GvG Learn The Language - Great Golang Books https://www.golang-book.com/books/intro (Caleb Doxsey) http://amzn.to/1PmlB1w (Bill Kennedy) http://amzn.to/21nO1Mc (Donovan & Kernighan) http://amzn.to/1PmlKSB (Balbaert) Learn The Language - Quick Code Samples https://gobyexample.com/ ASK QUESTIONS & GET HELP https://forum.golangbridge.org/c/getting-help STAY CONNECTED G+ https://goo.gl/kWyztP https://twitter.com/Todd_McLeod https://www.youtube.com/user/toddmcleod
Views: 1091 Learn To Code
E-Compiler for Java with Security Editor Java Project
 
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E-Compiler for Java with Security Editor ABSTRACT The main aim of this project we can easily to write a java program and compile it and debug in on-line. The client machine doesn’t having java development kit .The client machine only connected to the server. The server having java compiler .so server executes the java code and produce the error message to the appropriate client machine. E-Compiler for java with security editor has 4 modules. 1. Java File Compilation: 2. Java API Information 3. Encryption 4. Decryption In this project is also creating a security editor. This editor performs Encrypt and decrypts the file. Encryption and decryption process perform using RSA Algorithms. There is lot of security algorithms are there, but RSA algorithm is very efficient to encrypt and decrypt the file. In this project is used to view all type of java API .It is very useful for writing the java program easily, for example if any error in the format of API means we can able to view API throw this modules. EXISTING SYSTEM: In the existing system, the compilation of the java programs is not through online. It is an offline process where the client or user has to install the Java Development Kit (JDK) in the host machine. One has to choose the software that is compatible with hardware specification of the system. The user has to give the command in the command prompt for the compilation of the java program. There should be enough memory space in the memory devices in the host machine for the installation of the JDK. The Existing System has many disadvantages. The following are the disadvantages of using the existing system: Disadvantages: 1. The software should be compatible with the hardware specification of the host machine. 2. More memory is utilized in the host machine as the Java Development Kit need to be installed in the host machine. PROPOSED SYSTEM AND ITS ADVANTAGES In the proposed system, the compilation is performed online where a editor is provided for the user to create the java program. This created Java Program is saved in the server with the name provided in the directory with the host address having the subdirectory as the username. This saved java program is then compiled with the help of JDK which is installed in the server machine. Hence the server compiles the java program. Thus the compilation is carried out online. The editor in E-Compiler is a security editor which helps in encrypting the code. In the encryption process the code is converted to the cipher text which is not understandable. The cipher text must be decrypted in order to make it readable. In the decryption process the cipher text is converted back to the plain text that can be understandable. The process of encryption and decryption is carried out using the RSA algorithm. Hence the proposed system provides security to the data of the user. The following are the advantages of using the proposed system: Advantages: 1. Compilation is through online. 2. Software need not be installed in the client machine. 3. Memory can be saved for the client machine 4. The client machine need not be compatible with the JDK software but should be able to run a browser in it. 5. It provides security to the client information. PROPOSED SYSTEM: The proposed system is designed to eliminate the problems in the existing system. The main aim of this project we can easily compile a java program .The client machine doesn’t having java development kit .The client machine only connected to the server. The server having java compiler .so server executes the java code and produce the error message to the appropriate client machine. Advantages over Existing System: • We can compile and run our java program online. • On-line access is provided for the saved files • No need to install jdk in our own system Modules 1. JAVA FILE CREATION 2. JAVA FILE COMPILLATION 3. JAVA API INFORMATION 4. ENCRYPTION 5. DECRYPTION 6. MY ACCOUNT SYSTEM REQUIREMENT SPECIFICATION: Software Requirements: Operating System : Windows Front End : HTML Middle Ware : Java Servlets Back End : Oracle/Access CONTACT DETAILS: 1000 Projects, Flat No: 518, Fifth Floor, Annapurna Block, Adithya Enclave, Ameerpet, Hyderabad, Telangana – 500016. India. Phone : +91 9052016340, +91 7702177291, +91 9553021804 Email : [email protected] Website : www.1000projects.org
Views: 2966 1000 Projects
What is Firewall A Brief Explanation in Hindi
 
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Views: 7361 5 Minutes Engineering
What is Cryptography? - Encryption and Decryption
 
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Understand the basics of cryptography and the concept of symmetric or private key and asymmetric or public key cryptography. Also, a simple example of how cryptography is applied in web browsers. Link to "Applications of Public Key Cryptography" video: https://www.youtube.com/watch?v=Uk1mjEpW33s
Views: 7692 Biz Sci Tech
DIGITAL SIGNATURES IN FEW MINUTES / WITH SPECIAL PRICES / DISCOUNT / OFFER
 
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TAGS : DIGITAL SIGNATURES, digital signature, what is digital signature, digital, encryption, signature, cryptography, what is digital signature in hindi, non-repudiation, digital certificate, digital signature in hindi, private key, public key, explained, digital signature in hindi pdf, digital signature in hindi csc, what is digital signature certificate india, digital signature pdf, what is digital signatures in hindi, introduction to digital signature in hindi, pdf, public-key cryptography, how to get digital signature, ca, what is digital signatures, lectures, education, hash, digest, digital signature online, digital signature download, free digital signature, authentication, confidentiality, security services, maghnani, class 3, data structure, file, dst, digital signature your document, digital signature file, digital signature pdf file, digital signature document, english, ankit, walia, yt:stretch=16:9, digital signature algorithm, certificate, root, algorithm, authority, intermediate, advantages, disadvantages, self, signed, hierarchy, learn, for, beginners, digital signatures explained, easy, digital signature in cryptography, engineers, computer, computer_security, software, introduction, quick, basic, simple, best, how, tutorial, electronic, programming interview, function, model, message, signatures, asymmetric crypto function, key pair, security, cryptography (software genre), chirag, akhani, bei, bhavesh, rajani, sunil, amlani, naveen, software interview, ipcc, final, cpt, isca, classes, bangalore, bhagwati, institute, audit, control, systems, information, ipu, uptu, sunnyclassroom, sunny classroom, cybersecurity, cyber threats, wi-fi threats, networking+, technology, sunny, digitally signed document, hash function, public key encryption, private key encryption, sundeep, saradhi, kanthety, network security, information security, access control, how to, authorization, your, integrity, unauthorized access, document, mechanisms, decryption, gaining access, attacks, class 2, resources, permissions, sender, receiver, computer network, computer security, data security, dsa algorithm, dss approach, global key, signature components, paar, lecture, message integrity, legal help hindi, law, awareness, indian law, hindi, legalhelpinhindi, डिजिटल सिग्नेचर क्या होते हैं | what is digital signature | uses of digital signature, डिजिटल सिग्नेचर क्या होते हैं, uses of digital signature, digital signature ke fayde, electronic signature kya hai, digital sign kese banate hai, digital signature ka process, digital signature ke liye kaha apply kare, as informer, digital signature kaise banaye, digital signature for gst, digital signature process, how to apply digital signature, dsc certificate, signatr, signatar, signachar, raj ajwalia, digitally signing a document, how to create an e-signature, what is digital encryption, 128 bit encryption, ssl, technicalguruji, technical guruji, digital signature hindi, algorithm digital signature, dss, rsa in digital signature, ins, well academy -~-~~-~~~-~~-~- Please watch: "DIGITAL SIGNATURE / PHONE VERIFICATION PROCESS/ HOW COMPLETE PHONE VERIFICATION IN DIGITAL SIGNATURE" https://www.youtube.com/watch?v=3--SzO2j2Pg -~-~~-~~~-~~-~-
Views: 186 AGOS (e) Shop
Public and Private Key Encryption in Hindi
 
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For More Study Material Visit our website: www.olevelprojects.com www.olevelprojects.co.in We are making the best study material for you and will deliver it as per the modern trend of NIELIT exams. Those people who can't afford coaching classes will be directly benefited from this channel. Spread the word OLevelProjects.com , encourage us to becoming the best community there for we can deliver best education for you . This Video Covers Following Searches: public and private key encryption, public key and private key encryption, discuss public and private key encryption methods, public and private key encryption methods, advantages and disadvantages of public and private-key encryption, difference between public and private key encryption, how public and private key encryption works, pgp encryption public and private key, public and private key encryption definition, public and private key encryption example, public and private key encryption explained, public and private key encryption in O Level, public and private key encryption pdf, public and private key encryption ppt, public key private key encryption explained, public key private key encryption java, public private key encryption software, public vs private key encryption, what is public and private key encryption
Views: 1407 O Level Projects
Authentication Tokens, Types pf Tokens – Challenge/Response and Time Based Tokens
 
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User Authentication - Authentication Tokens, Types pf Tokens – Challenge/Response and Time Based Tokens Keywords: Authentication Tokens in Security Token based Password Management Challenge/Response Based Token Time Based Token Network Security Notes
solving an otp
 
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we are having 4 ciphertexts encrypted using 3 keys, we will analyse them, and will finally find the answer using crib dragging (basically solving many time pad) C1 - 3ad99001d39b93192981b7d7a79946d6eddf79955719a625c6cac10ec2a1d6535ee0 C2 - 58bcfb3579e7dcd7842682b7405b6bdbdf354e973ac3b45384b1894a5353faeb8400 C3 - f4887ef3b88e89a2c2b76d7321ce43282206ab4d5cdc4f77d98037346e0558e11e39 C4 - 44fdf52430ce9f93c968b1ff72472ed1972754d636d4b7068de9a96b1c48f6bd885d
Views: 1993 Himmat Yadav
DES Encryption/Decryption in C#
 
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Source Code Project https://github.com/melardev/TutsCSharpCrypto blog melardev.com twitter http://twitter.com/melardev blogger https://melardev.blogspot.com instagram https://www.instagram.com/melar_dev/ Google+ https://plus.google.com/u/0/110174297675710954678
Views: 4059 Melardev
Breaking ECDSA (Elliptic Curve Cryptography) - rhme2 Secure Filesystem v1.92r1 (crypto 150)
 
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We are going to recover a ECDSA private key from bad signatures. Same issue the Playstation 3 had that allowed it to be hacked. -=[ 🔴 Stuff I use ]=- → Microphone:* https://amzn.to/2LW6ldx → Graphics tablet:* https://amzn.to/2C8djYj → Camera#1 for streaming:* https://amzn.to/2SJ66VM → Lens for streaming:* https://amzn.to/2CdG31I → Connect Camera#1 to PC:* https://amzn.to/2VDRhWj → Camera#2 for electronics:* https://amzn.to/2LWxehv → Lens for macro shots:* https://amzn.to/2C5tXrw → Keyboard:* https://amzn.to/2LZgCFD → Headphones:* https://amzn.to/2M2KhxW -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ -=[ 📄 P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #CTF #Cryptography
Views: 32918 LiveOverflow
what is mobile encryption ? Detailed Explanation in telugu | Blueberry Techy 2018/2019
 
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what is mobile encryption ? Detailed Explanation in telugu | Blueberry Techy 2018/2019 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ New Channel Launched For Movies https://www.youtube.com/channel/UCmx8... Newe Channel Launched for increase knowledge and Entertainment https://www.youtube.com/channel/UCMdi... Subscribe to BlueberryTechy https://www.youtube.com/blueberrytechy BlueberryTechy Official facebook Page https://www.facebook.com/blueberrytechy ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ if you found this video Helpful give it a like. If you know someone who needs to see it, share it. Leave a comment below with your thoughts or any queries regarding any technology.. Thank you for watching..!! ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ these are includes: encryption,what is encryption,encryption in hindi,public key encryption,how encryption works,encryption explained,public key encryption explained,how,works,working,principle,hindi,urdu,whatsapp encryption,email encryption,message encryption,how to encrypt,how to decrypt Cryptography (Software Genre),Encryption (Literature Subject) DECRYPTION,ENCRYPTION,what is encryption,what is decryption,how to encrypt data in hindi,how to decrypt strings,data,data encryption in android,strings encryption,best encryption,url encryption,md5 encryption what is phone encryption,mobile device encryption software,encrypted mobile phones,android phone encryption pros and cons,android encryption performance,mobile data encryption techniques,android marshmallow encryption
Views: 233 Blueberry Techy
leaky bucket algorithm | congestion control | networking | Bhanu Priya
 
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leaky bucket algorithm in networks
Views: 15831 Education 4u
SHA: Secure Hashing Algorithm - Computerphile
 
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Secure Hashing Algorithm (SHA1) explained. Dr Mike Pound explains how files are used to generate seemingly random hash strings. EXTRA BITS: https://youtu.be/f8ZP_1K2Y-U Tom Scott on Hash Algorithms: https://youtu.be/b4b8ktEV4Bg 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. More at http://www.bradyharan.com
Views: 499104 Computerphile
Cryptography Android App
 
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✴ Cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages; various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation are central to modern cryptography. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, electrical engineering, communication science, and physics. Applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications.✴ https://play.google.com/store/apps/details?id=in.softecks.cryptography ► This App is meant for students of computer science who aspire to learn the basics of cryptography. It will be useful for networking professionals as well who would like to incorporate various cryptographic algorithms to ensure secure data communication over their networks.✦ 【Topics Covered in this App are Listed Below】 ⇢ Origin of Cryptography ⇢ Modern Cryptography ⇢ Cryptosystems ⇢ Attacks On Cryptosystems ⇢ Traditional Ciphers ⇢ Modern Symmetric Key Encryption ⇢ Block Cipher ⇢ Feistel Block Cipher ⇢ Data Encryption Standard ⇢ Triple DES ⇢ Advanced Encryption Standard ⇢ Block Cipher Modes of Operation ⇢ Public Key Encryption ⇢ Data Integrity in Cryptography ⇢ Cryptography Hash functions ⇢ Message Authentication ⇢ Cryptography Digital signatures ⇢ Public Key Infrastructure ⇢ Cryptography Benefits & Drawbacks
Views: 345 10 Up's.!
Encryption Part II: Security on the Web 4
 
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Emails are normally sent across the Internet in plain text. How can they be secured using encryption? Why We Should Encrypt Everyone’s Email http://www.popularmechanics.com/technology/how-to/computer-security/why-we-should-encrypt-everyones-email-17162499 Gnu Privacy Guard: https://www.gnupg.org OpenPGP: http://www.openpgp.org Enigmail: https://www.enigmail.net Mailvelope: https://www.mailvelope.com Google's End-To-End: https://code.google.com/p/end-to-end/ Yahoo to provide PGP encryption for mail http://www.itnews.com.au/News/390832,yahoo-to-provide-pgp-encryption-for-mail.aspx Countermail: https://countermail.com/ Hushmail: https://www.hushmail.com Bitmessage https://bitmessage.org/wiki/Main_Page DIME: Dark Internet Mail Environment https://www.darkmail.info/
Views: 5980 Shane Killian
How to make BitLocker use 256-bit AES encryption instead of 128-bit AES on Windows 10
 
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This tutorial video will show you step by step how to make BitLocker use 256-bit AES encryption instead of 128-bit AES on Windows 10. By default, BitLocker uses 128-bit AES encryption, but you can change it to use 256-bit AES encryption instead. Windows 10 (version 1511) introduced a new disk encryption mode (XTS-AES). This mode provides additional integrity support, but it's not compatible with older versions of Windows. You can also select the disk encryption mode (AES-CBC) which is compatible with older versions of Windows. If you're encrypting a removable drive (e.g. USB flash drive or external hard drive) that you're going to use on an older version of Windows, then you should use AES-CBC.
Views: 2160 EasyTechGuides
Insecure Cryptographic Storage Explained
 
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Protecting sensitive data with cryptography has become a key part of most web applications. Simply failing to encrypt sensitive data is very widespread. Applications that do encrypt frequently contain poorly designed cryptography, either using inappropriate ciphers or making serious mistakes using strong ciphers. These flaws can lead to disclosure of sensitive data and compliance violations. This video explains Insecure Cryptographic Storage and provides details on how to protect your software from insecure crypto vulnerabilities. For more info visit http://www.veracode.com
Views: 2454 VERACODE
Virus, Worms and Trojan Horses Brief Introduction and Difference between their Functionality
 
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Virus, Worms and Trojan Horses Brief Introduction and Difference between their Functionality Keywords: Virus Worms Trojan Horses Network Security Notes
What Does RSA Stand For In The Encryption World?
 
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"LEARN What Does RSA Stand For In The Encryption World? LIST OF RELATED VIDEOS OF What Does RSA Stand For In The Encryption World? What Does RSVP Means In A Birthday Card? https://www.youtube.com/watch?v=ePY3ymlAMkY What Does RT Mean In The Medical Field? https://www.youtube.com/watch?v=vcODOGgn05E What Does RT Stand For In Drag Racing? https://www.youtube.com/watch?v=C_rVgadmxxM What Does RTG Stand For In Football? https://www.youtube.com/watch?v=IwlN-g6Vqak What Does RTO Stand For In The Military? https://www.youtube.com/watch?v=uf_bswNKlDk What Does Rubbish Mean In America? https://www.youtube.com/watch?v=18IGfRXFin0 What Does Rue Symbolize https://www.youtube.com/watch?v=3AGeXROgY4M What Does Rufus Software Do? https://www.youtube.com/watch?v=s9ZajNcdAcc What Does RVSM Stand For In Aviation? https://www.youtube.com/watch?v=WItX1R2Qe9E What Does S Carvone Smell Like? https://www.youtube.com/watch?v=nxlH0CcfAuw"
Secure Data Transfer Over Internet Using Image Steganography
 
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Get this system with source code at http://nevonprojects.com/secure-data-transfer-over-internet-using-image-steganography/ A system that hides data behind image file and allows to transfer it over network.
Views: 8663 Nevon Projects
DES Encryption Using Python 3 - Cryptography with Python
 
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This tutorial explains how to encrypt text using DES in Python 3.
Views: 1881 ma academy
Virtual Private Network (VPN) How to Make Public Network secure Like Private N/W using VPN(Hindi)
 
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Virtual Private Network (VPN) How to Make Public Network secure Like Private N/W using VPN(Hindi) Keywords: VPN Virtual Private Network Network Security Notes Computer Network Security Lectures