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Node Crypto Module
 
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Description of node crypto module
Views: 957 Uzochukwu Odozi
IOTA tutorial 21: CryptoJS
 
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If you like this video and want to support me, go this page for my donation crypto addresses: https://www.youtube.com/c/mobilefish/about This is part 21 of the IOTA tutorial. In this video series different topics will be explained which will help you to understand IOTA. It is recommended to watch each video sequentially as I may refer to certain IOTA topics explained earlier. The main objective of this video is to provide you with some basic knowledge about CryptoJS. CryptoJS is a collection of standard and secure cryptographic algorithms implemented in JavaScript using best practices and patterns. They are fast and they have a consistent and simple interface. Jeff Mott is the original author of the crypto-js library which was one of the many code projects hosted by the Google Code Project Hosting Service. The Google Code Project Hosting Service was turned down in early 2016. The many code projects can still be found at the Google Code Archive. https://code.google.com/archive/ Jeff Mott’s CryptoJS library can be found at: https://code.google.com/archive/p/crypto-js/ The CryptoJS last version is v3.1.2 and last updated in Jan 15, 2013. See: https://code.google.com/archive/p/crypto-js/downloads How to use the CryptoJS functions, see: https://code.google.com/archive/p/crypto-js https://code.google.com/archive/p/crypto-js/wikis/QuickStartGuide_v3beta.wiki It seems that this library is not maintained by Jeff Mott anymore. Jeff Mott’s CryptoJS library has been forked by several developers and can be found at Github: https://github.com/brix/crypto-js https://github.com/sytelus/CryptoJS https://github.com/gwjjeff/cryptojs The fork created by Evan Vosberg (brix/crypto-js) is still maintained. The (Brix) CryptoJS library can be found at: https://github.com/brix/crypto-js An npm module has been created for the (Brix) CryptoJS library which can be found at: https://www.npmjs.com/package/crypto-js To include all CryptoJS libraries in JavaScript: var CryptoJS = require(“crypto-js”); The (Brix) CryptoJS library is also available in the free and open source web front-end resource Content Delivery Network (CDN): https://cdnjs.com/libraries/crypto-js The (Brix) CryptoJS library are used by several Distributed Ledger projects, such as: - IOTA (in the iota.lib.js library) https://github.com/iotaledger/iota.lib.js/blob/master/package.json - Ethereum (in the web3js library) https://github.com/ethereum/web3.js/blob/develop/package.json Understanding how the CryptoJS library works would be beneficial to you if you are an IOTA or Ethereum front-end developer. The CryptoJS library has no asymmetric key algorithms, such as RSA. More information how to use CryptoJS, see: https://code.google.com/archive/p/crypto-js/wikis/QuickStartGuide_v3beta.wiki https://github.com/brix/crypto-js https://www.davidebarranca.com/2012/10/crypto-js-tutorial-cryptography-for-dummies/ Check out all my other IOTA tutorial videos: https://www.youtube.com/playlist?list=PLmL13yqb6OxdIf6CQMHf7hUcDZBbxHyza Subscribe to my YouTube channel: https://www.youtube.com/channel/UCG5_CT_KjexxjbgNE4lVGkg?sub_confirmation=1 The presentation used in this video tutorial can be found at: https://www.mobilefish.com/developer/iota/iota_quickguide_tutorial.html #mobilefish #howto #iota
Views: 1297 Mobilefish.com
Writing Secure Node Code: Understanding and Avoiding the Most Common Node.js Security Mistakes
 
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Writing Secure Node Code: Understanding and Avoiding the Most Common Node.js Security Mistakes - Guy Podjarny, Snyk
Views: 32607 node.js
Bitcoin NodeJS Part 1 - Hello World
 
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Bitcoin NodeJS Tutorial. Intro to NodeJS including installation, creating a basic http server, and fetching the current bitcoin price.
Views: 16522 m1xolyd1an
NodeJS Crypto Create Random Number
 
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Learn how to Create Random Values using Crypto Module in NodeJS.
Views: 1551 DevNami
React CryptoCurrency Tutorial - Display Exchange Data with an API
 
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Build a Beautiful CryptoCurrency App: https://goo.gl/cuH8sp Written tutorial: https://goo.gl/7tkmki https://coursetro.com for more awesome videos! - - - - - - - - - - - - - - - - - - - - - - Subscribe for NEW VIDEOS weekly! My Patreon: https://www.patreon.com/designcourse My site: https://coursetro.com My personal FB account: http://fb.com/logodesigner Coursetro FB: http://fb.com/coursetro Coursetro's Twitter: http://twitter.com/designcoursecom Join my Discord! https://discord.gg/a27CKAF ^-Chat with me and others - - - - - - - - - - - - - - - - - - - - - - Who is Gary Simon? Well, I'm a full stack developer with 2+ decades experience and I teach people how to design and code. I've created around 100+ courses for big brands like LinkedIn, Lynda.com, Pluralsight and Envato Network. Now, I focus all of my time and energy on this channel and my website Coursetro.com. Come to my discord server or add me on social media and say Hi!
Views: 8079 DesignCourse
Bitcoin Miner vs Full Node - Programmer explains
 
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What is the difference between a full node and a miner in the Bitcoin network? This is a very interesting questions that I saw in the comment section and I totally understand that it might be confusing to learn about this. Thanks for watching guys 💝 🎤 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
Views: 25763 Ivan on Tech
13  Node js API Crypto
 
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ملفات المشروع على الرابط التالي : https://www.dropbox.com/s/r1op68udhghc9zv/nodeproject.zip?dl=0 لمزيد من الدروس على الرابط التالي :
Views: 822 Muhammed Essa
7. Node.js 강의 - Crypto
 
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하울의 코딩 채널 (서버 수요일) 카페 : http://cafe.naver.com/howlcode 코딩 소스 원본 : https://github.com/you6878/HowlNodeCrypto.git 문의사항 이메일 : [email protected] 깃허브 : https://github.com/you6878
BCoin: a Node.js Bitcoin full node, Augur decentralizes, MyCrypto desktop.  Crypto News July 14th
 
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Bcoin: a JS Bitcoin full node went 1.0 http://bcoin.io Augur removes pause capability https://medium.com/@AugurProject/augur-launches-794fa7f88c6a MyCrypto desktop application https://medium.com/mycrypto/mycrypto-launches-desktop-applications-w-hardware-wallet-support-efac86c962a8 South Korea: Growth Through Innovation http://english.mosf.go.kr/pc/selectTbPressCenterDtl.do?boardCd=N0001&seq=4515 Game.com: Wash trading, for video games https://medium.com/@dakotajune/game-com-is-set-to-debut-a-new-mine-able-token-the-catch-is-you-mine-the-token-by-playing-games-df9beb118fe6 =========================== I'm not a financial adviser. Do your own research. Full disclosure, I own a lot of coins. My holdings: https://goo.gl/Vjn9iK Do not simply buy what I buy (I've made a lot of bad choices) #sellout Ledger Nano S is the hardware wallet I use and recommend: https://ledgerwallet.com/r/c241 Recommended Exchanges - Coinbase: https://coinbase.com/join/59ebf3c17be14a00f92091b8 - Binance: https://www.binance.com/?ref=15811261 Twitch: https://www.twitch.tv/HardlyDifficult Twitter: http://twitter.com/HardlyDifficult Steemit: https://steemit.com/@hardlydifficult Tips \o/ BTC: 3FQdCDmZcXXE8psTfazXxHKsdaLsXgxfWs ETH (incl any ERC20): 0x7A23608a8eBe71868013BDA0d900351A83bb4Dc2 LTC: MGF4vG8QT68otdbKT1ZjpqmFmkir67Wnjk NEO (incl any NEP5): AKSB636yR6wi4ivM7kJX3i999u3JGVgp5A DASH: XcCCFMgbNmCHiNEj1EbNGvSQBcRM8VCNNM BAN: ban_1597i1ybctywb37n5oikw79jyrrj7ocndaqad4foay861yeb1afppy3zxebz NANO: xrb_377ketnssiicfmruy6y7urhmbt1dkqprjwoob1nr8y7nxeixo4kuqx6gdm84 For business inquiries: [email protected]
Views: 290 Hardly Difficult
Bitcoin, Blockchain and Node - Portia Burton, The Atlantic Magazine
 
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Bitcoin, Blockchain and Node - Portia Burton, The Atlantic Magazine
Views: 6601 node.js
Zero Knowledge Proofs in Node.JS - London Node User Group - August 2018
 
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Zero Knowledge Proofs are one of cryptography's best hidden gems and they're behind recent advancements in privacy conscious crypto-currencies. We're going to see how to use them in node.js and improve your applications' security, whether centralised or distributed. About the speaker: Federico Rampazzo is a Software Entrepreneur and Engineer with a passion for Functional Programming, Cryptography and Payments (especially as in "receiving payments" - but also Payment System architectures). He works for Tes, the biggest community of educators in the world and home to an excellent marketplace for teachers' resources. @framp (Tes) _ About Pusher Sessions: We're bringing the meetup to you. With Sessions, you can watch recordings of top-notch talks from developer meetups -- wherever and whenever you want. Meetups are a great way to learn from our peers and to keep up with the latest trends and technologies. As developers ourselves, we at Pusher wanted to bring this great content to more people... So we built Sessions. On Sessions, you can watch talks that interest you and subscribe to be notified when new content gets added. If you run a meetup and want to get involved, kindly get in touch. _ About Pusher: Pusher is a hosted service with APIs, developer tools and open source libraries that greatly simplify integrating real-time functionality into web and mobile applications. Pusher will automatically scale when required, removing all the pain of setting up and maintaining a secure, real-time infrastructure. Pusher is already trusted to do so by thousands of developers and companies like GitHub, MailChimp, the Financial Times, Buffer and many more. Getting started takes just a few seconds: simply go to pusher.com and create a free account. Happy hacking!
Views: 115 Pusher
Node.js API Authentication With JWT
 
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In this overview we will take a look at Node.js and JSON web tokens. I will show you how to create a route to generate a token and use that token to make a request to a protected route. SPONSOR: Check out Coding Dojo - http://www.codingdojo.com/l/yt/tr CODE: Github Repo With Example https://github.com/bradtraversy/node_jwt_example 💖 BECOME A PATRON: Show support & get perks! http://www.patreon.com/traversymedia ONE TIME DONATIONS: http://www.paypal.me/traversymedia VISIT MY WEBISTE: Check Out My Udemy Courses http://www.traversymedia.com FOLLOW TRAVERSY MEDIA: http://www.facebook.com/traversymedia http://www.twitter.com/traversymedia http://www.instagram.com/traversymedia https://discord.gg/traversymedia
Views: 94160 Traversy Media
Encryption and Decryption in Node.js
 
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Learn how to do encryption and decryption in Node.js.
Views: 100 DevNami
Nimiq NodeJS Miner Setup Tutorial
 
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The main net is now live! The guide is update but the video isn't. Up to step 5 in the video is still good, but new features and installation isn't. Guide: http://nimiq.community/blog/setting-up-nodejs_miner/ Nimiq: https://nimiq.com/ Nimiq FAQ: https://nimiq.com/faq/ Nimiq.Watch: https://nimiq.watch/ Heroku SSL Certificate: https://devcenter.heroku.com/articles/ssl-certificate-self Discord: https://discord.gg/cMHemg8 Telegram: https://t.me/joinchat/AAAAAEJW-ozFwo7Er9jpHw This video was recorded during the Luna Testnet. The written guide will provide updated instructions when necessary and a new video will be produced.
Views: 2415 Nimiq Video
Creating Custom Encryption and Decryption Engine with JavaScript
 
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In this video tutorial I will show you how to create a simple Encryption and Decryption engine in JavaScript. Visit this link to view the source code: http://zofiakreasi.com/creating-custom-encryption-and-decryption-engine-with-javascript/
Views: 2151 ThirteeNov
NodeJS - Using BCrypt for Database Encryption - Tutorial 9
 
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Encrypting passwords using BCrypt to save in our mongoDB. Tutorial Source can be found @ https://github.com/BrentAureli/Youtube-Tutorials Credit: Various code snippets from http://scotch.io (some edited some not)
Безопасность Node.js / Илья Вербицкий (Независимый консультант)
 
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Зал Рио-де-Жанейро, 8 ноября, 16:00 Презентация и тезисы: http://www.highload.ru/2016/abstracts/2440.html За последние годы мечты фантастов XX века стали реальностью: смартфоны, видеозвонки, виртуальная реальность и, наконец, Интернет вещей. К сожалению, у прогресса всегда есть темная сторона. Я думаю, ни для кого не секрет, что такие компании как Sony, Yahoo, Adobe, Target и многие другие столкнулись с проблемами безопасности в последние годы. ...
Views: 2085 HighLoad Channel
10/13: Encrypt Passwords With bcryptjs and Make a Login Route
 
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1) npm install bcryptjs 2) use the hash() function to encrypt passwords 3) use the compare() function to check passwords upon login Start from scratch and finish with a Twitter clone! Check out the full series: https://www.youtube.com/playlist?list=PLZrs7Z81U28WYp_uuTe9bcCd0ohBwKrwy
Views: 5354 DaveDevTV
NodeJS Create MD5 Hash
 
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Learn how to Create MD5 Hash in NodeJS.
Views: 1890 DevNami
Hashing Passwords | Node Authentication Tutorial – Part 3
 
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Learn the basics behind hashing users' passwords and why it is so very important to do this within any password related app. When it comes to securing your users' passwords, it's integral, no, absolutely necessary to hash your users' passwords before storing them in a database. Hashing is the process of scrambling up a user's password into a long string of characters that's undecipherable. The interesting thing about hashing: once you put the password in the hasher, there's no way to convert it back to its original form (at least from a mathematical standpoint). This helps ensure that your users' passwords are unreadable in the off chance someone happens to stumble upon the data in your database. Code along with me as I demonstrate how to implement hashing functionality into our user based node app. bcrypt npm link: https://www.npmjs.com/package/bcrypt Video Git Repo (starts at part 1): ------------------------------------------------ https://github.com/christopher4lis/express-cc Node Authentication Process: ------------------------------------------ // Add our boilerplate // 1.x Git clone express-cc repo // 2.x Run yarn / npm install // Create a new user in the database // 1.x Create a form within a view // 2.x Create route that'll process the form's post request // 3.x Create a database connection using .env file // 4.x Grab form input and insert into database // 5.x Add express-validation package // 6.x Validate user input on backend // 7.x Validate user input on frontend // 8.x Hash our user's password // 9.x Store user in database // Login user (update user session, return auth cookie) // 1. Install passport // 2. Configure passport with local strategy // Protect routes and only permit entry with authorization cookie // Create logout button // Create login page Video Timeline: ----------------------------- 00:50 - Why storing passwords in plain text is bad 01:36 - What is hashing? 02:35 - How to hash our users' passwords 03:05 - What is bcrypt? 06:01 - What is a salt? 07:08 - Testing out our hashing implementation To be continued... The Platform: ------------------------- http://chriscourses.com is a platform in progress whose goal is to educate aspiring and seasoned web developers via story driven learning. Each course tells a different story, and each milestone reveals a different scene. With an expansive universe to explore, you can track your progress, and gain the necessary skills needed to build your dreams. For updates on the progress of chriscourses.com and future videos, join the Chris Courses mailing list at http://chriscourses.com. Chris Courses Social: ----------------------------------- Twitter: https://twitter.com/chriscourses Facebook: https://www.facebook.com/chriscourses Christopher Lis Social: ------------------------------------- Twitter: https://twitter.com/christopher4lis CodePen: http://codepen.io/christopher4lis
Views: 16128 Chris Courses
TensorFlow.js - Serve deep learning models with Node.js and Express
 
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To build deep learning applications that run in the browser, we need a way to host these applications and a way to host the models. So then, really, we just a way to serve static files. Let's go through the process of getting a web server set up to host deep learning web applications and serve TensorFlow.js models with Express for Node.js. Enter Express for Node.js. Express is a minimalist web framework, very similar to Flask, but is for Node.js, not Python. If you’re not already familiar with Node.js, it is an open-source run-time environment that executes Javascript code on the server-side. We’ll be making use of Node.js and Express to deploy our TensorFlow.js deep learning applications. Code: https://www.patreon.com/posts/19580029 Code files are available as a perk for the deeplizard hivemind. Check out the details regarding deeplizard perks and rewards at: http://deeplizard.com/hivemind Check out the corresponding blog and other resources for this video at: http://deeplizard.com/learn/video/5ukVLrdDMHo Support collective intelligence, and join the deeplizard hivemind: http://deeplizard.com/hivemind Follow deeplizard: YouTube: https://www.youtube.com/deeplizard Twitter: https://twitter.com/deeplizard Facebook: https://www.facebook.com/Deeplizard-145413762948316 Steemit: https://steemit.com/@deeplizard Instagram: https://www.instagram.com/deeplizard/ Pinterest: https://www.pinterest.com/deeplizard/ Checkout products deeplizard suggests on Amazon: https://www.amazon.com/shop/deeplizard Support deeplizard by browsing with Brave: https://brave.com/dee530 Support deeplizard with crypto: Bitcoin: 1AFgm3fLTiG5pNPgnfkKdsktgxLCMYpxCN Litecoin: LTZ2AUGpDmFm85y89PFFvVR5QmfX6Rfzg3 Ether: 0x9105cd0ecbc921ad19f6d5f9dd249735da8269ef Recommended books on AI: The Most Human Human: What Artificial Intelligence Teaches Us About Being Alive: http://amzn.to/2GtjKqu Life 3.0: Being Human in the Age of Artificial Intelligence https://amzn.to/2H5Iau4 Playlists: Data Science - https://www.youtube.com/playlist?list=PLZbbT5o_s2xrth-Cqs_R9-us6IWk9x27z Machine Learning - https://www.youtube.com/playlist?list=PLZbbT5o_s2xq7LwI2y8_QtvuXZedL6tQU Keras - https://www.youtube.com/playlist?list=PLZbbT5o_s2xrwRnXk_yCPtnqqo4_u2YGL TensorFlow.js - https://www.youtube.com/playlist?list=PLZbbT5o_s2xr83l8w44N_g3pygvajLrJ- Music: Laser Groove by Kevin MacLeod Chillin Hard by Kevin MacLeod YouTube: https://www.youtube.com/channel/UCSZXFhRIx6b0dFX3xS8L1yQ Website: http://incompetech.com/ Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/
Views: 2331 deeplizard
Jake Burden: "Crypto Verification in Node with Sodium" | Lightning Talks at Digital Surgeons
 
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Jake shows you how to confirm the identity of a sender using Sodium in Node.js Follow Digital Surgeons Facebook: http://facebook.com/dsurgeons Twitter: https://twitter.com/digitalsurgeons
Views: 107 Digital Surgeons
Creating a blockchain with Javascript (Blockchain, part 1)
 
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Learn how to write your own Blockchain with JavaScript. In this video I'll show you what is behind a blockchain by using simple code. It's not a complete implementation, but enough to understand how blockchains work and how they guarantee that blocks can never be changed. After creating our blockchain we'll try and tamper with it. This will demonstrate a blockchains ability to detect fraud. Next video (implementing proof-of-work): https://youtu.be/HneatE69814 💰 Want to buy Bitcoin or Ethereum? Buy for $100 and get $10 free (through my affiliate link): https://www.coinbase.com/join/59284524822a3d0b19e11134 ► Source code Available on GitHub: https://github.com/SavjeeTutorials/SavjeeCoin ► About me 🐦 Follow me on Twitter: https://twitter.com/savjee ✏️ Check out my blog: https://www.savjee.be ✉️ Subscribe to newsletter: https://goo.gl/nueDfz 👍🏻 Like my Facebook page: https://www.facebook.com/savjee
Bitfinex API wrapper in Node.js
 
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Programming a wrapper for the Bitfinex API using Node.js with async/await, mocha testing, flow type annotations in Visual Studio Code. Code posted on GitHub at github.com/kesor/crypto-exchange-api -- Watch live at https://www.twitch.tv/kesor6
Views: 1963 Evgeny Zislis
Bitcoin NodeJS Part 3 - Create a Brain Wallet
 
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Bitcoin NodeJS Tutorial. Use body-parser to collect POST data in a web form, convert that POST data into a private key pair using bitcore-lib.
Views: 6557 m1xolyd1an
Building a CryptoCurrency Bot with Node
 
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https://www.meetup.com/sbjavascript/events/246625165/ -- Love it, hate it, or just curious crypto-currencies and the blockchain technologies they are built on top of are causing some major buzz. The markets for crypto currencies are global, volatile and they run 24 hours a day 7 days a week. We'll take a brief look at the space and its fundamentals. Then we'll look at how we can use the Coinbase exchage api's and Node.js to setup a bot that we can use to gather market data and automate transactions.
Views: 104 SBJS
How To Write Secure JavaScript Applications
 
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Thought you knew JavaScript security? Well, you don't. At least not as well as you thought you did. From CSRF to crypto, I'm going to teach you everything you absolutely must know to write secure JavaScript, especially web applications in particular, both front and backend. An emphasis will be put on teaching *practical* techniques and *best practices* that you can immediately go back to your company or organization and implement. Among the topics we will cover are preventing common and not-so-common but still critical vulnerabilities in JavaScript code, ranging from CSRF, command injection, improper password handling, broken authentication and authorization, bad cryptography, and more. We will also cover the best practices when attempting to write secure JavaScript code, on both the front and backend. From things like properly implementing user management schemes to as high-level as convincing your co-workers that security *does matter*, we will explore as much as possible in the time we have together. Best of all, you *don't have to have security experience*! Come as you are and dive into the intertwined worlds of JavaScript and security and learn how to write the most secure JavaScript and Node.JS applications of your life. EVENT: Nodevember 2016 SPEAKER: Jared Smith PERMISSIONS: The original video was published on the Nodevember YouTube channel with the Creative Commons Attribution license (reuse allowed). ORIGINAL SOURCE: https://www.youtube.com/watch?v=POmnL-PruAs&t=4s
Views: 48841 Coding Tech
Asymmetric Encryption and Signing with Public Private Keys
 
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Bob and Alice will only get you so far. Article at https://coolaj86.com/articles/asymmetric-public--private-key-encryption-in-node-js/ Without getting deep into math, I paint a picture of specifically how RSA encryption works, it's connection with AES, and how HTTPS and GPG use both. I also show examples using the OpenSSL commandline tools and ursa in node.js. It's still pretty high-level, but with sprinkled with some practical details and understanding you may not have had before. Examples with OpenSSL Node.js
Views: 5855 AJ ONeal
Trading cryptocurrencies, forex, commodities stocks and more using node.js
 
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Description: The aim of the talk is to show what i have learnt and the libraries and tools i have developed over the last couple years after getting into trading bitcoin and ethereum, which turned out later into trading all sorts of things based on technical analysis and a bit of flaky statistics. I'm really bad at making graphs and charts and what not, so expect some hands on approach, the talk should cover the very basics of trading and then how to use trading APIs to actually buy and sell stuff online directly from your command line. About me: The first time i programmed javascript was twenty years ago and since them i have played around with pretty much all the interesting programming languages i have found in front of me just to discover in 2011 i would actually end up doing everything again using only node.js. During this long journey i have worked on backend and frontend applications, interactive games, multiplayer applications, and whatnot. The last few years my big interest turned to be blockchain, cryptocurrencies and trading. After moving to London nearly seven years ago i worked for a few years in a very nice design studio and then later left to create my own little technology company where all those crazy experiments happen.
Views: 1022 LNUG Team
Fedor Indutny - Node.js core (TLS, Crypto)
 
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Nodeconf.eu 2014 Waterford Castle, Ireland
Views: 789 Cian O'Maidin
Learn advanced node js, Transform streams
 
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In the last lesson, I mentioned transform streams. Transform streams are a special type of duplex stream. Instead of simply passing the data to the read in to the write in, transform streams change the data. Transform streams are the center pipe pieces that can be used to transform data from readable streams before they are sent to writable streams. So I'm in just a blank index.js file, this file is found inside of your start folder, under chapter two lesson eight, and I'm going to go ahead and just create a new transform stream by pulling out our transform type. From our stream module, and what we're going to go ahead and do, is create a new class called replace text. And this is going to be a transform stream, so we're going to extend transform type. Transform streams have different methods, instead of write we are actually going to use the transform method. Now, it looks similar to the write method in that it gets a chunk in the encoding, of that chunk and a callback function.
Trading stocks with Node.js
 
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Any inqueries can be sent to [email protected] Utah Node.js Ninjas meets every month hosted at Overstock.com. Each month different developers from the area present on something Node.js. If you are in the area and would like to present, or even just come and learn live, you can follow the group here: http://www.meetup.com/utahnodejs/ Also, hopefully as the group grows, we will be able to provide better quality videos to you that are not able to join live. So enjoy, and feel free to give any feed back you have. Trading Stocks with Node.js
Views: 3506 Utah Node.js Ninjas
Argon2 Password Hashing Node.js | BCrypt Alternative
 
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Instead of using BCrypt, you can use Argon2 to hash passwords. Code: https://github.com/benawad/graphql-typescript-stripe-example/tree/argon2 ---- If you like cooking, checkout my side project: https://www.mysaffronapp.com/ ---- Join the Discord: https://discord.gg/Vehs99V ---- Patreon: https://www.patreon.com/benawad ---- Follow Me Online Here: Medium: https://medium.com/@benawad Twitter: https://twitter.com/benawad97 GitHub: https://github.com/benawad Facebook: https://www.facebook.com/benawad97/ LinkedIn: https://www.linkedin.com/in/benawad/ Instagram: http://instagram.com/benawad97
Views: 771 Ben Awad
Developer's Guide to JavaScript and Web Cryptography
 
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The increasing capabilities and performance of the web platform allow for more feature-rich user experiences. How can JavaScript based applications utilize information security and cryptography principles? This session will explore the current state of JavaScript and Web Cryptography. We will review some basic concepts and definitions, discuss the role of TLS/SSL, show some working examples that apply cryptography to real-world use cases and take a peek at the upcoming W3C WebCryptoAPI. Code samples will use CryptoJS in the browser and the Node.js Crypto module on the server. An extended example will secure the popular TodoMVC project using PBKDF2 for key generation, HMAC for data integrity and AES for encryption. Slides available on Google Docs: https://docs.google.com/presentation/d/1Sx5ODjh_4lgfYgPNY3RqFzL4snvBbcGZ6byOn78K2ME/edit?usp=sharing
Views: 2949 Kevin Hakanson
Integrating Chart.js with Angular 5 with Data from an API
 
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Written tutorial: https://goo.gl/v1dC9o Subscribe here and check out https://coursetro.com In this tutorial, we're going to connect to a public API to retrieve weather data, and then chart it out using Chart.js The github repo for this project: https://github.com/designcourse/angular-chartjs - - - - - - - - - - - - - - - - - - - - - - Subscribe for NEW VIDEOS weekly! My Patreon: https://www.patreon.com/designcourse My site: https://coursetro.com My personal FB account: http://fb.com/logodesigner Coursetro FB: http://fb.com/coursetro Coursetro's Twitter: http://twitter.com/designcoursecom Join my Discord! https://discord.gg/a27CKAF ^-Chat with me and others - - - - - - - - - - - - - - - - - - - - - - Who is Gary Simon? Well, I'm a full stack developer with 2+ decades experience and I teach people how to design and code. I've created around 100+ courses for big brands like LinkedIn, Lynda.com, Pluralsight and Envato Network. Now, I focus all of my time and energy on this channel and my website Coursetro.com. Come to my discord server or add me on social media and say Hi!
Views: 71115 DesignCourse
Newb Quest - Auth Part 5 - Authorization - Node/Express/MongoDB/JWT/Vue.js
 
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Code is here: https://github.com/CodingGarden/auth-for-newbs Donate: https://coding.garden/donate Pledge: https://coding.garden/pledge Discord: https://coding.garden/discord Stickers: https://coding.garden/stickers
Nasdaq Crypto Picks / Buying Casa Bitcoin Lightning Node.
 
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Bitcoin Lightning Node: https://medium.com/casa/announcing-the-casa-lightning-node-596df7a7427 Nasdaq Article: https://theicojournal.com/exclusive-nasdaq-source-the-listing-of-several-coins-will-happen-in-2019/ Cryptocurrency Consultant: www.britvrcrypto.com Earn Crypto and Watch Video Games on "Sliver.tv" :👇🏾👇🏾 https://www.sliver.tv/invite/0bbUT6RLgn How to Buy Bitcoin, Litecoin, and Ethereum: https://www.coinbase.com/join/55b100a569702d463a0000f9 https://changelly.com?ref_id=dc0cf1a9f479 Cryptocurrency Wallet: Exodus.io Mining Ethereum Here: https://www.genesis-mining.com/ Use code for 3% off: (WSwDpG) Cryptotrader Trader bots: https://cryptotrader.org/?r=638 Eobot Cloud Mining: https://www.eobot.com/new.aspx?referid=589710 Minergate Cloud Mining & Mining Pools https://minergate.com/a/a18738811c9bb150e37c0899 Crypto Art-Gallery: https://britten-adams.pixels.com/collections/cryptocurrency Bitcoin Kids Ebook "My First Bitcoin": https://www.amazon.com/dp/B072F444B9 "The investments and services offered by us may not be suitable for all investors. If you have any doubts as to the merits of an investment, you should seek advice from an independent financial advisor." Read more: A Guide To Risk Warnings And Disclaimers https://www.investopedia.com/articles/fundamental-analysis/08/risk-warnings.asp#ixzz53di8YrWK Follow us: Investopedia on Facebook Music by bensound.com
Views: 400 BritVR
N-API - Next Generation Node API for Native Modules
 
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N-API - Next Generation Node API for Native Modules [I] - Michael Dawson, IBM & Arunesh Chandra, Microsoft Until now, native module (add-ons) maintainers have had to recompile for each Node.js release as well as potentially updating their code to cope with the rapid pace of changes in the v8 APIs. The community API working group has been developing the N-API (Node-API) as a follow on to Nan to help solve this problem and insulate modules from changes in the v8 APIs. By targeting the new API, modules will be able support a wide variety of Node.js releases without needing recompilation or abstraction layers such as Nan - reducing deployment time and maintenance effort for both module developers and Node.js end users. With an initial version of the API slated to be part of Node version 8 as an experimental feature, it is a good time to come learn about the shape and usage of the new API from those working to implement it. About Arunesh Chandra Sr. Program Manger @ChakraCore, Microsoft Arunesh Chandra is working on growing Node.js by extending it to use the ChakraCore engine. He is also working on supporting fresh ideas in the community like VM Neutrality for Node.js and bringing innovative diagnostic tooling like Time-Travel Debugging to Node developers. Michael Dawson IBM Senior Software Developer Ottawa, Ontario Twitter Tweet Michael Dawson is an active contributor to Node.js and a CTC member. He contributes to a broad range of community efforts including platform support, build infrastructure, N-API, LTS as well as tools to help the community achieve quality with speed (ex: ci jobs, benchmarking and code coverage reporting). Within IBM he leads the Node.js team driving IBM’s Node.js runtime deliveries and their contributions to Node.js and v8 within the Node and google communities. Past experience includes building IBM's Java runtime, building and operating client facing e-commerce applications, building PKI and symmetric based crypto solutions as well as a number of varied consulting engagements. In his spare time he uses Node.js to automate his home and life for fun.
Views: 2971 node.js
SL 08: Main Node.js Core Modules
 
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**Notes** Node API documentation: * fs: https://nodejs.org/api/fs.html * path: https://nodejs.org/api/path.html * http: https://nodejs.org/api/http.html * http2: https://nodejs.org/api/http2.html * crypto: https://nodejs.org/api/crypto.html * cluster: https://nodejs.org/api/cluster.html Node and MongoDB Foundation: https://node.university/p/node-npm-and-mongodb-foundation You Don't Know Node: https://node.university/p/you-dont-know-node --- **About the Channel** Node University and its creator Azat Mardan tells you about advantages of using Node.js and why its such an absolutely, positively, amazingly awesome technology. Who is Azat? ¯\_(ツ)_/¯ Well, he is the founder of Node University and... ⌨ Azat is in Top 1000 GitHub contributors list where Azat is number 239 right next to Paul Irish, Addy Osmani, Todd Motto and other famous developers: https://gist.github.com/paulmillr/2657075. 📚 Azat wrote 14 books on Node and JavaScript; the book which was #1 on Amazon when you search for "node.js" and now this book is free on GitHub, Practical Node.js: https://github.com/azat-co/practicalnode. 🎤 Azat spoke at 20+ conferences world-wide: http://azat.co. 🏢 Azat taught engineers at companies such as Starbucks, Cisco, Walmart, Intuit, Capital One, Macy’s, OnDeck, HubSpot, Fox Studios, Northwestern Mutual, Salesforce, DocuSign,, Microsoft, VMWare and other big companies. 🎓 Azat has free and paid courses on Node University: https://node.university 👨‍💻 Azat wrote 200+ blog posts on Webapplog: https://webapplog.com 👉 Sign up for this series on YouTube or listen on iTunes.
Views: 162 Node University
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: 2886 DeKay Arts
7 minutes: Create a Node API with JWT's (json web tokens)
 
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Learn how to quickly build a Node.js API that uses json web tokens to protect routes. Check out the related blog post here: http://www.bentedder.com/part-2-node-js-implementation-of-jwt-json-web-tokens/
Views: 28417 Ben Tedder
Elixir and OTP for Node.js Developers
 
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Running in backends, Node.js and Elixir/OTP both solve very similar problems. The goal of the presentation is to explain how Elixir/OTP attacks those problems compared to Node.js. Presenter: Jean-Pierre Bécotte (@jpbecotte) Level: beginner Slides: https://speakerdeck.com/jpbecotte/otp-explained-to-node-dot-js-developers http://www.montrealelixir.ca
Views: 1855 Montreal Elixir
Tim Taubert: Keeping secrets with JavaScript | JSConf EU 2014
 
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With the web slowly maturing as a platform the demand for cryptography in the browser has risen, especially in a post-Snowden era. Many of us have heard about the upcoming Web Cryptography API but at the time of writing there seem to be no good introductions available. We will take a look at the proposed W3C spec and its current state of implementation, talk about the good parts and the pitfalls to avoid. I will share my vision of a simpler and safer NaCl-inspired API, and hopefully leave you excited about experimenting further with cryptography in the browser. Transcript & slides: http://2014.jsconf.eu/speakers/tim-taubert-keeping-secrets-with-javascript-an-introduction-to-the-webcrypto-api.html License: For reuse of this video under a more permissive license please get in touch with us. The speakers retain the copyright for their performances.
Views: 12237 JSConf
Node.js and npm by Numbers
 
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Ashley Williams, npm
Views: 1684 node.js

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