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Java Cryptography Tutorials 1 AES Encryption and Decryption using Java
 
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In this video you will see how to encrypt and decrypt the text information using the AES algorithm in Java Cryptography. For more tutorials visit: http://www.step2know.com
Views: 41824 Infinity
Encryption: ECB v CBC
 
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http://asecuritysite.com/subjects/chapter58 I forgot to add the key to each of the stages of CBC.
Views: 14963 Bill Buchanan OBE
aes tutorial, cryptography Advanced Encryption Standard AES Tutorial,fips 197
 
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https://8gwifi.org/CipherFunctions.jsp Reference book: http://leanpub.com/crypto Computer Security, Cryptography Advanced Encryption Standard AES,fips 197 The Advanced Encryption Standard (AES) specifies a FIPS-approved cryptographic algorithm that can be used to protect electronic data. The AES algorithm is a symmetric block cipher that can encrypt (encipher) and decrypt (decipher) information. Encryption converts data to an unintelligible form called ciphertext; decrypting the ciphertext converts the data back into its original form, called plaintext. The AES algorithm is capable of using cryptographic keys of 128, 192, and 256 bits to encrypt and decrypt data in blocks of 128 bits. aes encryption and decryption aes encryption example aes encryption tutorial aes encryption online aes algorithm, aes encryption explained, aes algorithm tutorial, aes encryption and decryption algorithm, aes encryption algorithm, aes algorithm lecture, aes algorithm example, aes cryptography, aes encryption and decryption algorithm
Views: 145663 Zariga Tongy
Vigenere CIpher
 
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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: 37579 Udacity
How to create your OWN cryptocurrency in 15 minutes - Programmer explains
 
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Implementing ERC20 token in 15 minutes! This video is very important if you are investing in cryptocurrencies or want to learn about the technicalities of creating your own cryptocurrency on top of Ethereum by implementing the ERC20 protocol. SIGN UP HERE IF YOU ARE INTERESTED IN PROGRAMMING SMART CONTRACT COURSE. We will start from scratch and cover programming on EOS, Ethereum, Lisk and maybe NEO. http://eepurl.com/dkHOT9 GET TESTNET TOKENS: https://www.rinkeby.io/#faucet ETHERSCAN RINKEBY: https://rinkeby.etherscan.io/token-search TOKENS CONSENSYS: https://github.com/ConsenSys/Tokens REMIX IDE: https://remix.ethereum.org/#optimize=false&version=soljson-v0.4.19+commit.c4cbbb05.js METAMASK CHROME: https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn Thanks for watching guys 💝 🎓 Join my online academy https://academy.ivanontech.com 📣 Join Telegram channel https://t.me/joinchat/AAAAAE2xJE4l8xhC8MU4cg 🎤 If you would like me to speak at your conference, book me here: https://ivanontech.com 🍻 Join the crypto discussion forum - https://thecrypto.pub 📚 Get my free e-book on Bitcoin and Blockchain - http://eepurl.com/c0hyc9 you will receive the book in your inbox once you sign up 👫👭👬Social: LinkedIn: http://linkedin.com/in/ivanliljeqvist/ Instagram: http://instagram.com/ivanontech/ Steemit: https://steemit.com/@ivanli Facebook: http://facebook.com/ivanontech/ Exclusive email list: http://eepurl.com/c0hyc9 🤑 Buy cryptocurrencies: https://www.coinbase.com/join/529bab0ab08ded7080000019 💰 Secure your Crypto with Hardware Wallets: Ledger: https://www.ledgerwallet.com/r/4607 Trezor: https://trezor.io/?a=rvj3rqtje3ph DISCLAIMER: This is NOT financial advice. This is just my opinions. I am not responsible for any investment decisions that you choose to make. Ivan on Tech by Ivan Liljeqvist
Views: 92248 Ivan on Tech
Visual Cryptography
 
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Hiding your images in style since 1994. Copyright Protection Scheme for Digital Images Using Visual Cryptography and Sampling Methods Ching-Sheng Hsu Young-Chang Hou July 2005 RIT, IMGS-362 Image Processing & Computer Vision II
Views: 25517 Matt Donato
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: 24629 Sylvain Saurel
Advanced Crypto: ECB, CBC, CFB and OFB
 
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http://asecuritysite.com/encryption/threedes
Views: 13678 Bill Buchanan OBE
Book Reading Club: "Beginning Java EE 7" by Antonio Goncalves - Part 2
 
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This session will review chapters 7, 8, 9 and 13 (EJB, Security, Transactions and Messaging) of Antonio Goncalves's Beginning Java EE 7 book.  We expect this to be an interactive session in which discussion and questions will be the main driving force behind the content. You can start sending your questions using the following thread: http://www.meetup.com/virtualJUG/messages/boards/thread/49543116/#[masked] or post them live using the IRC channel during the session. You can get the book with 25% discount from http://www.springer.com/us/book/9781430246268 by using the discount code JEE116.
Views: 741 v JUG
Ask Developer Podcast - 49 - Cryptography - Part 3 - Digital Signatures and Protocols
 
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○ Digital Signatures § Goal: verify Authenticity of a message. § Based on Asymmetric Cryptography. § Basic operations 1. Public / Private keys generation (using some algorithm like RSA) 2. Signing algorithm using the private key 3. Signature verification algorithm using the corresponding public key i. Extending previous Example • Steps (Order is very important, bold stuff is the difference added to authenticate sender) ® Party 1 (Alice) 1. Generates a random AES Session Key (32 bytes / 256 bits) 2. Generates a random Initialization Vector (IV) (16 bytes / 128 bits) 3. Encrypt the message to be sent using the AES Session Key & IV 4. Calculate an HMAC of the encrypted message using the AES Session key 5. Encrypt the AES Session Key using the Public Key of Party 2 (Bob) The recipient. 6. Calculate Signature using the private signing key on the HMAC 7. Sends a packet of (Encrypted Message, Encrypted Session Key, Initialization Vector, HMAC, and Signature) to Bob ® Party 2 (Bob) 1. Decrypts Session key using his Private Key 2. Recalculates the HMAC of the encrypted message (Validates message integrity) } If HMAC check pass – Verify digital signature using Alice Public Key w If signature verification pass w Decrypts the message using the decrypted AES Session Key and Initialization Vector w Otherwise, identity of the sender couldn't not be verified, reject message. } Otherwise, rejects the message because of integrity check failure. • Why Order matters? ® Timing Side-Channel Attacks ® Padding-Oracle Attack ○ Protocols § TLS/SSL • How TLS/SSL Works? • Mitigates against ® Man in the Middle Attacks ® Authentication, so the client can be sure it is talking to the correct destination. § Public Key Infrastructure (PKI) • Certificates aka X.509 Certificate (Sha-1 Signature Issues) ® A digitally signed file ® Identifies (Computer / User / Device) ® Has Public & Private Key, only the certificate owner has the Private Key. ® Has Expiration date ® Information about the CA that issued the cert ® X.509 Extension Attributes (like Usage attribute) ® Revocation Information. • Certificate Authority (CA) (CNNIC, WoSign) ® Issues, signs and manages certificates. ® Famous certificate authorities (Verisign, GoDaddy, … etc). • Trust Chains ® CA's can delegate the signing job to subordinate CA's ◊ Root CA's signs an intermediate signing certificate to the subordinate CA ® The subordinate CA can then issue certificates ® To validate a certificate, the client validates the signatures of all the intermediate stages and make sure all of them are linked to a Trusted CA • Certificate Revocation Lists (CRL's) ® When a certificate is compromised (Private Key leaked) it will be published on the CRL, so each time the cert is validated, the CRL list is checked in case cert is revoked. 3. Takeaways 4. Books a. Understanding Cryptography: A Textbook for Students and Practitionershttps://www.amazon.com/Understanding-Cryptography-Textbook-Students-Practitioners/dp/3642041000 Our facebook Page http://facebook.com/askdeveloper On Sound Cloud http://soundcloud.com/askdeveloper Please Like & Subscribe
Views: 744 Mohamed Elsherif
Fetch Bitcoin Exchange Data For Beginners Using Websocket
 
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In this tutorial I show how you can use JavaScript to stream live data from the bitfinex Bitcoin exchange using their websocket API. Building Bitcoin Websites Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 21347 m1xolyd1an
Websites mining using your CPU - Building our own - Programmer explains
 
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Today we talk about how website can mine cryptocurrencies through the browser and we are building such a mining website ourselves! In this video we are mining monero using CoinHive using their Javascript library. Make sure users know your are mining using their computer resources if you are going to put this into your website. Code https://pastebin.com/GL34hpQm Thanks for watching guys 💝 🍻 Join the crypto discussion forum - https://thecrypto.pub 📺 The best crypto content in one place - https://cryptochannel.tv 📚 Get my free e-book on Bitcoin and Blockchain - http://eepurl.com/c0hyc9 you will receive the book in your inbox once you sign up 👫👭👬Social: Steemit: https://steemit.com/@ivanli Facebook: http://facebook.com/ivanontech/ Slack: http://slack-invite-ivan-on-tech.herokuapp.com Exclusive email list: http://eepurl.com/c0hyc9 🤑 Buy cryptocurrencies: https://www.coinbase.com/join/529bab0ab08ded7080000019 💰 Secure your Crypto with Hardware Wallets: Ledger: https://www.ledgerwallet.com/r/4607 Trezor: https://trezor.io/?a=rvj3rqtje3ph Nordic 360 Blockchain http://almatalentevents.se/nordic360blockchain/ 50% discount code: nbc50
Views: 38844 Ivan on Tech
Generate Secure Password with MD5 and SHA1 in Java
 
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In this video, I will demo how to Generate Secure Password with MD5 and SHA1 in Java You can see programming languages book reviews and buy Books Online at http://learningprogramming.net/ You also can buy my apps in http://codecanyon.net/user/octopuscodes/portfolio
Views: 11249 Learning Programming
Java Video Tutorial
 
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CODE IS HERE: http://goo.gl/RinOf Best Java Book : http://goo.gl/FtKp0m Here I begin what will be a massive Java Video Tutorial. I start with all you need to start writing Java programs. I then cover just about anything you'd want to know about Javas primitive data types. I cover declaration statements, expression statements, all the types and how to convert them. This tutorial starts out slow, but by the end you will be a Java expert!
Views: 1095855 Derek Banas
What is an API?
 
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What exactly is an API? Finally learn for yourself in this helpful video from MuleSoft, the API experts. https://www.mulesoft.com/platform/api The textbook definition goes something like this: “An application programming interface (API) is a set of routines, protocols, and tools for building software applications. An API expresses a software component in terms of its operations, inputs, outputs, and underlying types. An API defines functionalities that are independent of their respective implementations, which allows definitions and implementations to vary without compromising each other. A good API makes it easier to develop a program by providing all the building blocks. APIs often come in the form of a library that includes specifications for routines, data structures, object classes, and variables. In other cases, notably SOAP and REST services, an API is simply a specification of remote calls exposed to the API consumers. An API specification can take many forms, including an International Standard, such as POSIX, vendor documentation, such as the Microsoft Windows API, or the libraries of a programming language, e.g., the Standard Template Library in C++ or the Java APIs. An API differs from an application binary interface (ABI) in that an API is source code-based while an ABI is a binary interface. For instance POSIX is an API, while the Linux Standard Base provides an ABI”. To speak plainly, an API is the messenger that runs and delivers your request to the provider you’re requesting it from, and then delivers the response back to you. To give you a familiar example, think of an API as a waiter in a restaurant. Imagine you’re sitting at the table with a menu of choices to order from, and the kitchen is the provider who will fulfill your order. What’s missing is the critical link to communicate your order to the kitchen and deliver your food back to your table. That’s where the waiter (or API) comes in. ”AHEM” The waiter takes your order, delivers it to the kitchen, and then delivers the food (or response) back to you. (Hopefully without letting your order crash if designed correctly) Now that we’ve whetted your appetite, let’s apply this to a real API example. In keeping with our theme, let’s book a flight to a culinary capital – Paris. You’re probably familiar with the process of searching for airline flights online. Just like at a restaurant, you have a menu of options to choose from ( a dropdown menu in this case). You choose a departure city and date, a return city and date, cabin class, and other variables (like meal or seating, baggage or pet requests) In order to book your flight, you interact with the airline’s website to access the airline’s database to see if any seats are available on those dates, and what the cost might be based on certain variables. But, what if you are not using the airline’s website, which has direct access to the information? What if you are using online travel service that aggregates information from many different airlines? Just like a human interacts with the airline’s website to get that information, an application interacts with the airline’s API. The API is the interface that, like your helpful waiter, runs and and delivers the data from that online travel service to the airline’s systems over the Internet. It also then takes the airline’s response to your request and delivers right back to the online travel service . And through each step of the process it facilitates that interaction between the travel service and the airline’s systems - from seat selection to payment and booking. So now you can see that it’s APIs that make it possible for us all to use travel sites. They interface with with airlines’ APIs to gather information in order to present options back to us The same goes for all interactions between applications, data and devices - they all have API’s that allow computers to operate them, and that's what ultimately creates connectivity. API’s provide a standard way of accessing any application, data or device whether it is shopping from your phone, or accessing cloud applications at work. So, whenever you think of an API, just think of it as your waiter running back and forth between applications, databases and devices to deliver data and create the connectivity that puts the world at our fingertips. And whenever you think of creating an API, think MuleSoft.
Views: 1896137 MuleSoft Videos
Ever wonder how Bitcoin (and other cryptocurrencies) actually work?
 
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Bitcoin explained from the viewpoint of inventing your own cryptocurrency. Videos like these made possible by patreon: https://patreon.com/3blue1brown Protocol Labs: https://protocol.ai/ Interested in contributing? https://protocol.ai/join/ Special thanks to the following patrons: http://3b1b.co/btc-thanks Some people have asked if this channel accepts contributions in cryptocurrency form as an alternative to Patreon. As you might guess, the answer is yes :). Here are the relevant addresses: ETH: 0x88Fd7a2e9e0E616a5610B8BE5d5090DC6Bd55c25 BTC: 1DV4dhXEVhGELmDnRppADyMcyZgGHnCNJ BCH: qrr82t07zzq5uqgek422s8wwf953jj25c53lqctlnw LTC: LNPY2HEWv8igGckwKrYPbh9yD28XH3sm32 Supplement video: https://youtu.be/S9JGmA5_unY Music by Vincent Rubinetti: https://soundcloud.com/vincerubinetti/heartbeat Here are a few other resources I'd recommend: Original Bitcoin paper: https://bitcoin.org/bitcoin.pdf Block explorer: https://blockexplorer.com/ Blog post by Michael Nielsen: https://goo.gl/BW1RV3 (This is particularly good for understanding the details of what transactions look like, which is something this video did not cover) Video by CuriousInventor: https://youtu.be/Lx9zgZCMqXE Video by Anders Brownworth: https://youtu.be/_160oMzblY8 Ethereum white paper: https://goo.gl/XXZddT Music by Vince Rubinetti: https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown ------------------ 3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe, and click the bell to receive notifications (if you're into that). If you are new to this channel and want to see more, a good place to start is this playlist: http://3b1b.co/recommended Various social media stuffs: Website: https://www.3blue1brown.com Twitter: https://twitter.com/3Blue1Brown Patreon: https://patreon.com/3blue1brown Facebook: https://www.facebook.com/3blue1brown Reddit: https://www.reddit.com/r/3Blue1Brown
Views: 2255629 3Blue1Brown
Encryption using RSA Algorithm
 
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Problem Solved from William Stallings Book : Cryptography and Network Security Fifth Editon
Views: 16293 Random Videos
How to call Binance API in Javascript in less than 10 lines of code
 
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Timestamps: 0:15 - What is a REST API and why do we need them for trading 3:05 - Difference between GET/POST API 4:00 - Difference between Public/Signed API 5:21 - Code to call API 11:14 - API Call - Ping 12:45 - API Call - Server time 13:42 - API Call - Exchange Information 14:40 - API Call - Orderbook 18:10 - API Call - Recent Trade List 19:43 - API Call - Historical Trades 21:05 - API Call - Candlestick Information 23:16 - API Call - 24hr ticker price change statistics Github Link: https://github.com/karthik947/Binance-REST-API-Examples CORS Chrome Extn: https://chrome.google.com/webstore/detail/cors/dboaklophljenpcjkbbibpkbpbobnbld Binance API : https://github.com/binance-exchange/binance-official-api-docs/blob/master/rest-api.md Disclaimer: I am not a financial advisor nor is any content in this article presented as financial advice. The information provided in this post or any other posts that I make and any accompanying material is for educational purposes only. It should not be considered financial or investment advice of any kind. Use these tools at your own risk.
Views: 2835 DeKay Arts
RSA Algorithm with solved example using extended euclidean algorithm | CSS series #7
 
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Take the Full Course of Cryptography and Network Security What we Provide 1) 20 Videos (Index is given down) + More Update will be Coming Before final exams 2)Hand made Notes with problems for your to practice 3)Strategy to Score Good Marks in Cryptography and Network Scurity To buy the course click https://goo.gl/mpbaK3 if you have any query email us at [email protected] Sample Notes : https://goo.gl/Ze1FpX or Fill the form we will contact you https://goo.gl/forms/2SO5NAhqFnjOiWvi2 Cryptography and System Security Index Lecture 1 Introduction to Cryptography and Security System Lecture 2 Security Goals and Mechanism Lecture 3 Symmetric Cipher Lecture 4 Substitution Cipher Lecture 5 Transposition Cipher Lecture 6 Stream and Block Cipher Lecture 7 Mono Alphabetic Cipher Lecture 8 Poly Alphabetic Cipher Lecture 9 Diffie Hellman Lecture 10 RSA Algorithm with Solved Example Lecture 11 IDEA Algorithm Full Working Lecture 12 SHA-1 Algorithm Full Working Lecture 13 Blowfish Algorithm Full working Lecture 14 DES Algorithm Full Working Lecture 15 Confusion and Diffusion Lecture 16 AES Algorithm Full working Lecture 17 Kerberos Lecture 18 Malicious Software ( Virus and worms ) Lecture 19 DOS and DDOS Attack Lecture 20 Digital Signature Full working Explained More videos Coming Soon.
Views: 212024 Last moment tuitions
How To Invest in Cryptocurrency: Super Beginners Guide
 
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How To Invest in Cryptocurrency: Super Beginners Guide http://www.Ameerrosic.com You'll receive $10 in free bitcoin by signing up with this link http://bit.ly/2oesV41 My name is Ameer Rosic, and I'm a serial entrepreneur, investor, marketing Strategist and Blockchain Evangelist So you’ve been following cryptocurrencies for a while. You’ve seen Bitcoin explode in value, from tiny fractions of a cent a few years ago to their peak of over a thousand dollars. You are, understandably, interested in investing in them. If you’re going to take that road, you need to be aware of some very important details… Buy Bitcoin & Ethereum http://bit.ly/2oesV41 Book Recommendations http://astore.amazon.com/rosicameer-20 Blockchain + Crypto Guides: https://blockgeeks.com/guides/ Get One-to-One Consulting https://clarity.fm/ameerrosic Blog http://www.Ameerrosic.com blockgeeks: http://www.blockgeeks.com Facebook http://www.Facebook.com/ameerrosic Twitter http://www.Twitter.com/ameerrosic InstaGram http://www.Instagram.com/ameerrosic
Views: 424840 Ameer Rosic
Cryptography in Java. 1- Overview
 
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Hi guys we will learn in this tutorial series about the basics of cryptography and how to implement it in java. We will start with hashing to encryption and then to encoding. In hashing we will be using SHA-1, in ecryption we will focus on AES-128 and for encoding we will use Apache's Base64 encoder and decoder.
Cryptography in Java. 6- ECB AES128 encryption implementation in Java
 
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Hi guys we will learn in this tutorial series about the basics of cryptography and how to implement it in java. We will start with hashing to encryption and then to encoding. In hashing we will be using SHA-1, in ecryption we will focus on AES-128 and for encoding we will use Apache's Base64 encoder and decoder. Here we will implement the ECB encryption AES 128 algo in Java and see how it works.
What is a HashTable Data Structure - Introduction to Hash Tables , Part 0
 
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This tutorial is an introduction to hash tables. A hash table is a data structure that is used to implement an associative array. This video explains some of the basic concepts regarding hash tables, and also discusses one method (chaining) that can be used to avoid collisions. Wan't to learn C++? I highly recommend this book http://amzn.to/1PftaSt Donate http://bit.ly/17vCDFx
Views: 730006 Paul Programming
Encrypt Password in Login Form with JSP-Servlet and Hibernate
 
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In this video, I will demo how to create Encrypt Password in Login Form with JSP-Servlet and Hibernate. To download all sources code for this demo please pay for me $5 at my PayPal Account: [email protected] You can see programming languages book reviews and buy Books Online at http://learningprogramming.net/ You also can buy my apps in http://codecanyon.net/user/octopuscodes/portfolio
Views: 5383 Learning Programming
Essential Programming Language For ETHICAL HACKER
 
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In this video I'm gonna show essential programming language for Ethical Hacker Since programming is essential for hacking because a hacker is someone who breaks a protocol or an application security which is programmed in a certain programming language and to hack an application a hacker needs to understand the logic of that app, find flaw and the exploit it. So a hacker must learn a couple of programming languages to complete his task. So check out the important programming languages for hackers There are lots of computer languages but few are required for hacking purpose because in most cases it depends upon a target. There are basically three sections ― Web Hacking and Pentesting, Exploit Writing & Reverse Engineering and each of it requires different coding. Do you think any other programming language is essential for wannabe hackers and security researchers? if yes then please comment below. ► Connect with me! ◄ Facebook - http://bit.ly/2tbOg3b Google+ - http://bit.ly/2jrWz6g Instagram - http://bit.ly/2tbR14z ★★★Watch my most recent videos★★★ How to use keylogger and steal passwords 100% working 2016 tricks [Easy Tutorial] https://youtu.be/bRxjiX88rLo How to Convert Text to Audio without Software Notepad Trick [EASY TUTORIAL] https://youtu.be/GRvCCwTHY7A How to lock and unlock your PC with use pen drive [Easy Tutorial] https://youtu.be/O897Kj_LIog How to FIX MSVCR71 DLL File Missing Error [EASY TUTORIAL] https://youtu.be/IsFUm3qX19c Best Prank Websites To Fool Your Friends And Make Fun [Easy Tutorial] https://youtu.be/UlJP7GtLJNw How to Make USB Hacking Device [EASY TUTORIAL] https://youtu.be/ha9kIC0FW5I How to make simple keylogger using notepad [EASY TUTORIAL] https://youtu.be/cHNUvCOYXXU How to setup a Gmail auto response/vacation responds [Easy Tutorial] https://youtu.be/bbk-meSVX6M Best blue death screen prank [Easy Tutorial] https://youtu.be/gxiXULj_vBc How to Tag All Facebook Friends Using One Click 2016 [Easy Tutorial] https://youtu.be/EkxuJVhQ5j0 How to password protect any folder without using software [Easy Tutorial] https://youtu.be/5V6WRsv_Wo4 How To Accept All Friend Requests At Once 2016 [Easy Tutorial] https://youtu.be/tlw7e2jMhVE How to invite your all friends at once to your Facebook Page 2016 Working tricks [EASY TUTORIAL] https://youtu.be/468Fmc2QdAw How To Hide Your Any Size Files Inside Any Image [EASY TUTORIAL] https://youtu.be/RB6eXEYAd8s Hide Or Unhide Any Local Disk Drive In Windows Using CMD [EASY TUTORIAL] https://youtu.be/-kSr_3UmS8w How to Wipe All Partitions on USB Flash Drive on Windows [EASY TUTORIAL] https://youtu.be/nkH0DyeAuNA How to take a screenshot on a PC with two simple methods [EASY TUTORIAL] https://youtu.be/so4dxm23TkA And talking about subscribing, please subscribe to my channel, if you enjoyed this video and want more how-to, Thanks so much for watching!
Views: 124289 Mighty Ghost Hack
symmetric key cryptography
 
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https://8gwifi.org/CipherFunctions.jsp Reference book: http://leanpub.com/crypto Cryptographic Algorithms generally fall into one of two different categories, or are a combination of both. Symmetric Fast Only provide confidentiality Examples: DES, AES, Blowfish, RC4, RC5 Asymmetric Large mathematical operations make it slower than symmetric algorithms No need for out of band key distribution (public keys are public!) Scales better since only a single key pair needed per individual Can provide authentication and nonrepudiation Examples: RSA, El Gamal, ECC, Diffie-Hellman problem with symmetric key cryptography DES (Data Encryption Standard) 64 bit key that is effectively 56 bits in strength Actual algorithm is called DEA (Data Encryption Algorithm) DES Modes Electronic Code Book Cipher Block Chaining (most commonly used for general purpose encryption) Cipher Feedback Output Feedback Counter Mode (used in IPSec) 3DES 112-bit effective key length Uses either 2 or 3 different smaller keys in one of several modes Modes EEE2/3 EDE2/3 AES NIST replaced DES in 1997 with this Uses the Rijndael algorithm Supports key/block sizes of 128, 192, and 256 bits Uses 10/12/14 rounds as block size increases IDEA (International Data Encryption Algorithm) Operates on 64 bit blocks in 8 rounds with 128 bit key Considered stronger than DES and is used in PGP Blowfish 64 bit block cipher with up to 448 bit key and 16 rounds Designed by Bruce Schneier RC4 Stream cipher with variable key size created by Ron Rivest RC5 Another Rivest cipher Block cipher with 32/64/128 bit blocks and keys up to 2048 bits RC6 Beefier version of RC5 submitted as AES candidate CAST 64 bit block cipher with keys between 40-128 bits with 12-16 rounds depending on key length CAST-256 used 128-bit blocks and keys from 128-256 bits using 48 rounds SAFER (Secure and Fast Encryption Routine) Set of patent-free algorithms in 64 and 128 bit block variants Variation used in Bluetooth Twofish Adapted version of Blowfish with 128 bit blocks, 128-256 bit keys and 16 rounds AES Finalist Kryptografie mit symmetrischem Schlüssel symmetric key cryptography symmetric key cryptography tutorial symmetric key cryptography example symmetric key cryptography vs asymmetric key cryptography symmetric and asymmetric key cryptography symmetric key cryptography Kryptografie mit symmetrischem Schlüssel Kryptographie mit symmetrischem Schlüssel Kryptographie mit symmetrischem Schlüssel Kryptografie mit symmetrischem Schlüssel und asymmetrische Schlüsselkryptographie symmetrische und asymmetrische Schlüsselkryptographie Kryptografie mit symmetrischem Schlüssel
Views: 39028 Zariga Tongy
Java API and Use of libraries Java Tutorial
 
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Views: 19 Genysis Lab
Caesar Cipher
 
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This tutorial will teach you how to encrypt and decrypt messages using the Caesar Cipher.-- Created using PowToon -- Free sign up at http://www.powtoon.com/ . Make your own animated videos and animated presentations for free. PowToon is a free tool that allows you to develop cool animated clips and animated presentations for your website, office meeting, sales pitch, nonprofit fundraiser, product launch, video resume, or anything else you could use an animated explainer video. PowToon's animation templates help you create animated presentations and animated explainer videos from scratch. Anyone can produce awesome animations quickly with PowToon, without the cost or hassle other professional animation services require.
Views: 124352 Lacey Wright
MRT WD My Passport decryption bug
 
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How to rip correctly decryption key from module 25 and load it into DE
Views: 1504 Michael Chiklis
EXPIRED -- Computer Security & Penetration Testing Book Bundle: 14 Books for $15
 
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THIS BUNDLE HAS EXPIRED -- THANKS TO EVERYONE WHO BOUGHT/DONATED! There's an awesome Cybersecurity book bundle happening for the next few days -- check it out: https://www.humblebundle.com/books/cybersecurity-wiley?partner=tutorialinux You'll help support the tutorialinux YouTube channel if you buy the bundle via the link above. STANDOUT BOOKS IN THIS BUNDLE: -Practical Reverse Engineering -Web Application Hacker's Handbook (an awesome way to learn web security) -Security Engineering (easily one of the best security books ever written, according to my security-savvy friends) -Shellcoder's Handbook (legendary) -Cryptography Engineering (the current standard textbook for practical crypto implementation) Thanks for all the support! ########## # More Stuff ########## Full Linux Sysadmin Course: https://www.youtube.com/playlist?list=PLtK75qxsQaMLZSo7KL-PmiRarU7hrpnwK Check out my project-based Linux System Administration course (free sample videos): https://www.udemy.com/hands-on-linux-self-hosted-wordpress-for-linux-beginners/?couponCode=tl35 Official Site & e-mail list: https://tutorialinux.com/ Twitter: https://twitter.com/tutorialinux Facebook: https://www.facebook.com/tutorialinux Patreon: https://www.patreon.com/tutorialinux
Views: 3687 tutoriaLinux
Counter Mode Encryption (CTR) | Algorithm Modes in Cryptography
 
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In this network security video tutorial we will study and understand the working of Counter Mode (CTR) also known as CTR algorithm mode. Counter Mode (CTR) - 1. Counter Mode uses sequence numbers called as counters as the inputs. 2. Usually a constant is used as the initial counter value Incremented for every iteration. 3. The size of the counter block is same as that of the plain text block. Complete Network Security / Information Security Playlist - https://www.youtube.com/watch?v=IkfggBVUJxY&list=PLIY8eNdw5tW_7-QrsY_n9nC0Xfhs1tLEK Download my FREE Network Security Android App - https://play.google.com/store/apps/details?id=com.intelisenze.networksecuritytutorials Simple Snippets Official Website - https://simplesnippets.tech/ Simple Snippets on Facebook - https://www.facebook.com/simplesnippets/ Simple Snippets on Instagram - https://www.instagram.com/simplesnippets/ Simple Snippets on Twitter - https://twitter.com/simplesnippet Simple Snippets Google Plus Page - https://plus.google.com/+SimpleSnippets Simple Snippets email ID - [email protected] For More Technology News, Latest Updates and Blog articles visit our Official Website - https://simplesnippets.tech/
Views: 361 Simple Snippets
Cipher Feedback Mode(CFB) | Algorithm Modes in Cryptography
 
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In this network security video tutorial we will study and understand the working of Cipher Cipher Feedback (CFB) also known as CFB algorithm mode. Cipher Feedback (CFB) - 1. In this mode data is encrypted in units that are smaller (e.g. they could be of size 8 bits) than a defined block size (which is usually 64 bits). 2. CFB mode works with j bits at a time (as we have seen, usually, but not always , j = 8) Following are the steps of CFB mode - Step 1 - Encrypt the IV(initialization vector) using the KEY to get the Encrypted IV. Step 2 - Perform XOR operation between first j bits of encrypted IV and j bits of Plain Text to get j bits of Cipher Text(Cipher text block 1) Step 3 - left shift the IV by j bits & add the cipher text block from the previous step to the right most side of the IV. Complete Network Security / Information Security Playlist - https://www.youtube.com/watch?v=IkfggBVUJxY&list=PLIY8eNdw5tW_7-QrsY_n9nC0Xfhs1tLEK Download my FREE Network Security Android App - https://play.google.com/store/apps/details?id=com.intelisenze.networksecuritytutorials Simple Snippets Official Website - https://simplesnippets.tech/ Simple Snippets on Facebook - https://www.facebook.com/simplesnippets/ Simple Snippets on Instagram - https://www.instagram.com/simplesnippets/ Simple Snippets on Twitter - https://twitter.com/simplesnippet Simple Snippets Google Plus Page - https://plus.google.com/+SimpleSnippets Simple Snippets email ID - [email protected] For More Technology News, Latest Updates and Blog articles visit our Official Website - https://simplesnippets.tech/
Views: 770 Simple Snippets
How to hide any file/data in an image-Steganography Explained - Sending Secret Messages in Images
 
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[ Earn Daily 5$ PayPal Cash with Proof 😎 : https://youtu.be/6AsfpbVR8Nw ] Command : copy /b imagefile.jpg+documentfile.zip WIN RAR : http://www.rarlab.com/download.htm How to hide document in image-Steganography Steganography by wikipedia Steganography is the practice of concealing a file, message, image, or video within another file, message, image, or video. The word steganography combines the Greek words steganos (στεγανός), meaning "covered, concealed, or protected", and graphein (γράφειν) meaning "writing". The first recorded use of the term was in 1499 by Johannes Trithemius in his Steganographia, a treatise on cryptography and steganography, disguised as a book on magic. Generally, the hidden messages appear to be (or be part of) something else: images, articles, shopping lists, or some other cover text. For example, the hidden message may be in invisible ink between the visible lines of a private letter. Some implementations of steganography that lack a shared secret are forms of security through obscurity, whereas key-dependent steganographic schemes adhere to Kerckhoffs's principle.[1] The advantage of steganography over cryptography alone is that the intended secret message does not attract attention to itself as an object of scrutiny. Plainly visible encrypted messages—no matter how unbreakable—arouse interest, and may in themselves be incriminating in countries where encryption is illegal.[2] Thus, whereas cryptography is the practice of protecting the contents of a message alone, steganography is concerned with concealing the fact that a secret message is being sent, as well as concealing the contents of the message. Steganography includes the concealment of information within computer files. In digital steganography, electronic communications may include steganographic coding inside of a transport layer, such as a document file, image file, program or protocol. Media files are ideal for steganographic transmission because of their large size. For example, a sender might start with an innocuous image file and adjust the color of every 100th pixel to correspond to a letter in the alphabet, a change so subtle that someone not specifically looking for it is unlikely to notice it. #PLEASE #SUBSCRIBE #FRIENDS
Views: 11114 Techie SDS
Block Cipher Modes of Operation | CTR mode | Mode of operation of block cipher | Part 5 | Hindi Urdu
 
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#askfaizan | #syedfaizanahmad | #counter Block Cipher Modes of Operation | OFB mode https://youtu.be/F2RwmXwrdV8 Block Cipher Modes of Operation | CFB mode https://youtu.be/yF_iA7Rv7k4 Block Cipher Modes of Operation | CBC mode | Part 2 https://youtu.be/Q7LKmASkVSU Block Cipher Modes of Operation | ECB mode | Part 1 https://youtu.be/mkY5mNSnuko Hill Cipher | Complete Algorithm with Example https://youtu.be/B0Q7w7Fd7ms Playfair Substitution Cipher https://youtu.be/w_xr7pj-O6c Monoalphabetic Substitution Cipher https://youtu.be/Hw1T7GOnVW0 Caesar Cipher | Caesar Substitution Cipher https://youtu.be/2N9GlhysYJw PlayList : Cryptography and Network Security : https://www.youtube.com/playlist?list=PLhwpdymnbXz7hvvqhqjIIG4tEdhAgQqll Block cipher processes the data blocks of fixed size If size of message is larger than block size. Then, the message is divided into a series of sequential message blocks. Multiple blocks of plaintext are encrypted using the same key, security issues arise. To apply a block cipher in a variety of applications, five modes of operation have been defined by NIST 1. Electronic Code Book Mode 2. Cipher Block Chaining Mode 3. Output Feedback Mode 4. Cipher Feedback Mode 5. Counter Mode The simplest mode is the electronic codebook (ECB) mode Plaintext is handled one block at a time Each block of plaintext is encrypted using the same key The ECB mode is deterministic If plaintext block P1, P2,…, Pm are encrypted twice under the same key, the output ciphertext blocks will be the same. CBC is technique in which the same plaintext block, if repeated, produces different ciphertext blocks Each plaintext block is XORed with the ciphertext block that was previously produced To produce the first block of ciphertext, an initialization vector (IV) is XORed with the first block of plaintext For decryption, IV data is XORed with first ciphertext block decrypted. CFB is similar to CBC, it also make use of Initialization Vector. In CFB, plaintext (b bits) is divided into segments of s bits. Process s bits at a time. Common value of s is 8 bits. Cipher text block is encrypted and the output is XOR-ed with the current Plain text block to create the current Cipher text block. Each ciphertext block gets ‘fed back’ into the encryption process in order to encrypt the next plaintext block. The output feedback (OFB) mode is similar in structure to that of CFB. In CFB, the ciphertext unit is fed back to the shift register, In OFB, The output of the encryption function is fed back to the shift register. It remains localized to one single block, Affecting one plaintext block affects one ciphertext block only Complementing a bit in the ciphertext complements a bit in the plaintext. Like OFB, Counter mode turns a block cipher into a stream cipher It generates the next keystream block by encrypting successive values of a “counter”. A counter equal to the plaintext block size. The counter is initialized to some value and then incremented by 1 for each subsequent block.
Views: 96 Ask Faizan
Spring Security Tutorial: The Remember Me Mechanism with a Cookie - The Basic Setup | packtpub.com
 
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Part of 'Spring Security' video series. For the full Course visit: http://www.packtpub.com/secure-your-web-applications-with-spring-security/video?utm_source=youtube&utm_medium=video-description&utm_campaign=yt-springsecurity Set up the token-based Remember Me mechanism—how it helps the user stay logged in even after the session expires. --------------------------------------------------------------------------------------------- For the latest in Web Development video tutorials, please visit: http://www.packtpub.com/books/video?utm_source=youtube&utm_medium=video-description&utm_campaign=yt-springsecurity Find us on Facebook -- http://www.facebook.com/Packtvideo Follow us on Twitter - http://www.twitter.com/packtvideo
Views: 25387 Packt Video
Build a Neural Net in 4 Minutes
 
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How does a Neural network work? Its the basis of deep learning and the reason why image recognition, chatbots, self driving cars, and language translation work! In this video, i'll use python to code up a neural network in just 4 minutes using just the numpy library, capable of doing matrix mathematics. Code for this video: https://github.com/llSourcell/Make_a_neural_network I created a Slack channel for us, sign up here: https://wizards.herokuapp.com/ Please Subscribe! That is the thing you could do that would make me happiest. I recently created a Patreon page. If you like my videos, feel free to help support my effort here!: https://www.patreon.com/user?ty=h&u=3191693 2 Great Neural Net Tutorials: (please subscribe for more videos like these! ) 1. https://medium.com/technology-invention-and-more/how-to-build-a-simple-neural-network-in-9-lines-of-python-code-cc8f23647ca1#.l51z38s7f 2. https://iamtrask.github.io/2015/07/12/basic-python-network/ Awesome Tutorial Series on Neural Networks: http://lumiverse.io/series/neural-networks-demystified The Canonical Machine Learning Course: https://www.coursera.org/learn/machine-learning Curious just how inspired neural networks are from brain architecture? Take some time to learn about the human brain! This is my favorite intro to neuroscience course: https://www.mcb80x.org/ Follow me: Twitter: https://twitter.com/sirajraval Facebook: https://www.facebook.com/sirajology Instagram: https://www.instagram.com/sirajraval/ Instagram: https://www.instagram.com/sirajraval/ Signup for my newsletter for exciting updates in the field of AI: https://goo.gl/FZzJ5w
Views: 590179 Siraj Raval
Security Snippets: Blowfish with CBC
 
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The tutorial is at: http://www.asecuritysite.com/Encryption/blowfishcbc
Views: 327 Bill Buchanan OBE
Java EE Webcast: Database Migrations using Flyway
 
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Database schema of a Java EE application evolves along with business logic. This makes database migrations an important of any Java EE application. Do you still perform them manually, as a separate step, along with your application deployment? Learn how Flyway simplifies database migrations, and seamlessly integrates with your Java EE application in this webinar from Axel Fontaine (@axelfontaine) and Arun Gupta (@arungupta).
Views: 7805 Voxxed
Object Capabilities for Security
 
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Google Tech Talks November, 30 2007 ABSTRACT Existing systems often do a poor job of meeting the principle of least privilege. I will discuss how object capability systems and language-based methods can help address this shortcoming. In language-based object capability systems, an object reference is treated as a capability; unforgeability of references ensures unforgeability of capabilities; and all privileges are expressed as capabilities in this way. This makes it possible to decompose the system into distrusting "privilege-separated" components, providing each component with the least privilege it needs to do its job; to reason about the privileges and powers available to various program elements, often in a local (modular) way; and to avoid common pitfalls, such as confused deputy and TOCTTOU vulnerabilities. I will attempt to introduce the audience to some work in this area that is perhaps not so widely known, and I will describe some work in progress to construct a subset of Java, called Joe-E, that is intended to enable capability-style programming using a programming syntax that is familiar to Java programmers. Speaker: David Wagner David Wagner is an Associate Professor in the Computer Science Division at the University of California at Berkeley with extensive experience in computer security and cryptography. He and his Berkeley colleagues are known for discovering a wide variety of security vulnerabilities in various cellphone standards, 802.11 wireless networks, and other widely deployed systems, and he has published two books and over 90 peer-reviewed scientific papers. David is a founding member of the ACCURATE center on electronic voting. He is active in the areas of systems security, cryptography, and electronic voting.
Views: 11016 GoogleTechTalks
Kriptografi code RC6
 
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Untuk memenuhi tugas mata kuliah kriptografi, berisikan tentang code Rivest Code 6 (RC6) pada MATLAB dan python.
Views: 794 Agung Setiyoaji
Tutorial 7: Kriptografi - XOR cipher dasar
 
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Tutorial CTF buat pemula banget! Pada sesi ini dibahas salah satu dasar dari cipher modern yaitu XOR. Teknik ini juga kadang ditemui waktu reverse engineering. Link contoh soal: https://goo.gl/zS9cuA
Views: 3102 Cyber Security IPB
RSA Algorithm in c
 
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The Facebook page: https://www.facebook.com/TheNewEdge0 My Blog to download books: https://thenewedge0.blogspot.com.eg/2017/07/blog-post.html
Views: 1587 The New Edge
Creative Insurance Management System Java and MySql
 
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Online Blood Bank Management System In Php And MySql Research Scholar Information System Student information System Quotation Generation Complete Website With CMS Bootstrap, Php and MySql Student Feedback Management System Bootstrap, Php and MySql E-Learning E-Book Store authentication Bootstrap, Php and MySql Library Management System C#.Net Virtual Class Room using Bootstrap, Php and MySql Creative Insurance Management System Java and MySql Bridge Course For B.Sc computer Science Bootstrap, Php and MySql Children Health Care Management System Java and MySql Advanced Cryptography for message sending Sending SMS Based student Information using Bootstrap, Php and MySql Digital Data Hiding Technique Using C#.Net Staff Record Management System Carrier Care Guide and Placement Unit Bootstrap, Php and MySql Employee Leave Management System Java and MySql PG Application and Generate Rank List Using C# and MySql Quick Easy Large File Uploaded with C# and MySql Repository & Search engine Bootstrap, Php and MySql Random Password Generator with C# and MySql Aptitude Test and Training Management with C# and MySql Lan Search Engine with C# and MySql Online E-bus Pass Registration Renewal System Bootstrap, Php and MySql Facility Management System Bootstrap, Php and MySql Ration shop Monitoring System Bootstrap, Php and MySql Lab Inventory Management System C# and MySql Online Automate the Process of Internal and Attendance Assessment System C# and MySql Hospital Management System Java and MySql Computer Aided Medical Management System Student Attendance Management For Free source code and Free Project Please visit : http://www.tutorjoes.com/ http://www.facebook.com/tutorjoes http://www.youtube.com/tutorjoes
Views: 3518 Tutor-Joes Stanley
TOP 5 Cryptocurrency Trading Bots - Crypto Trading Bot Review
 
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A great Cryptocurrency Trading Bot is a must if you want to make a ton of money trading crypto currency. List of the Best cryptocurrency trading bots for trading bitcoin, ethereum, litecoin or alt coins. UPDATED NEW #1: Profit Trailer and Feeder Profit Trailer: https://cryptoprofitbot.com/?ref=marc2&campaign=cryptocurrency-bot Profit Trailer Feeder: https://cryptoprofitbot.com/shop/?ref=marc2&campaign=crypto-trading-bot . Sign up on the best cryptocurrency exchange for trading NOW! https://www.binance.com/?ref=10057659 Virmach VPS for Crypto Trading Bots https://billing.virmach.com/aff.php?aff=3526 Find out what bots are best for the following exchanges: Bittrex GDAX Kraken Binance Poloniex UPDATED 2018 #1 CRYPTO TRADING BOT https://www.youtube.com/watch?v=CMsJF_gTif0 Crypto Trading Bot #5 Zenbot Review 00:52 Crypto Trading Bot #4 Cryptohopper Review 01:40 Crypto Trading Bot #3 Cryptotrader Review 02:42 Crypto Trading Bot #2 Gunbot Review 04:02 Crypto Trading Bot #1 Haasbot Review 05:23 Binance Crypto Exchange supports about every cryptocurrency trading bot and offers crypto trading contests! You can win free crypto currency and cars!!! Click the link below to signup for Binance and enter 10057659 in the referral box. https://www.binance.com/?ref=10057659 SEE ALSO: Bitcoin Trading Bot, Alt Coin Trading Bot, Daytrading Cryptocurrency, daytrade crypto, crypto day trading, Gunbot Review, Haasbot Review, Cryptotrader, Cryptohopper, Zenbot, crypto exchange, crypto trading bot python, crypto trading bot review, crypto trading bot bittrex, crypto trading bot results, crypto trading bot free, crypto trading bot open source, crypto trading bot gekko, crypto trading bot tutorial, crypto trading bot java, bitcoin trading bot, binance trading bot, bittrex trading bot, poloniex trading bot.
Views: 163933 Marc Zwygart
Building a Simple Alt Coin Trading Bot Using Bittrex API
 
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In this video I show how to use the Bittrex API to automate your cryptocurrency investment portfolio. Github: https://github.com/coinables/bittrex/blob/master/index.php My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X
Views: 122130 m1xolyd1an
The RSA Encryption Algorithm (Computing an Example)
 
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solution Ch #7 book Understanding Cryptography by Christof Paar · Jan Pelzl Let the two primes p = 41 and q = 17 be given as set-up parameters for RSA. 1. Which of the parameters e1 = 32,e2 = 49 is a valid RSA exponent? Justify your choice
Views: 86 Ahmed Dawood
C# Tutorial
 
01:24:59
Get the Code Here : http://goo.gl/XklWBR Best C# Book : http://amzn.to/1dFhtZ8 Support Me on Patreon : https://www.patreon.com/derekbanas User input 02:26 Data Types 03:11 Math 06:30 Casting 07:56 If 10:12 Ternary Operator 12:34 Switch / Break / Continue 13:17 While 14:45 Do While 17:00 For Loop 18:32 Foreach 19:37 Strings Functions 20:48 Formatting Strings 29:12 StringBuilder 31:30 Array Functions 33:42 Lists 41:03 Exception Handling 45:06 Classes & Objects 48:14 Getters & Setters 49:00 Constructors 50:48 Static 52:49 Class Methods 54:30 Overloading Methods 57:13 Object Initializer 59:04 Inheritance 59:29 Call Superclass Methods 1:00:17 Override Class Methods 1:01:38 Ploymorphism / Abstract Class 1:03:16 Interfaces 1:04:46 Operator Overloading 1:08:05 Generics 1:11:43 Enums 1:15:22 Structs 1:16:56 Anonymous Methods 1:19:07 Lambda Expressions 1:21:02 File I/O 1:23:29 After many requests, finally I finished my learn C# in one video tutorial. I cover a ton in this tutorial including : User input,Data Types, Math, Casting, If, Switch, Ternary Operator, While, Do While, For Loops, Foreach, Strings, Formatting Strings, StringBuilder, Arrays, Lists, Exception Handling, Converting to Data Types, Classes, Objects, Getters, Setters, Constructors, Static, Overloading Methods, Object Initializer, Inheritance, Calling Superclass Methods, Overriding Class Methods, Abstract Classes, Interfaces, Generics, Enums, Structs, Anonymous Methods, Lambda Expressions, File I/O and more.
Views: 1219847 Derek Banas
Spam Soap Email Encryption Tutorial for Users
 
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This Spam Soap Email Encryption Tutorial for Users shows you how to send and receive encrypted messages.

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