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Python Tutorial: PyCrypto AES Encryption/Decryption
 
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In this tutorial I will show you the most basic encryption/decryption program for AES (Advanced Encryption Standard) using PyCrypto and Python 3. Check out my website at www.thepyportal.com for my blog, source code, tutorials, and references. Oh and don't forget the lonely Like button up there!
Views: 24862 Zach King
What is GCM? Galois Counter Mode (of operation) (usually seen as AES-GCM)
 
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In this video I'm explaining what is that Galois Counter Mode that provides Authenticated Encryption with Associated Data (AEAD). You must have heard it combined with AES, and maybe used in TLS, ... This is just a small explanation, you can get more on the NIST specs. Errata (thanks to Casper Kejlberg-Rasmussen in the comments) error at 11:21, the last M_H that is applied before going into the TAG should not be there if you compare your drawing to the diagram on https://en.wikipedia.org/wiki/Galois/Counter_Mode. Be sure to follow me on twitter :) https://twitter.com/lyon01_david and to subscribe to my blog! http://www.cryptologie.net Cheers!
Views: 18512 David Wong
Python AES Encryption/Decryption using PyCrypto Tutorial
 
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In this tutorial, we will learn Encryption/Decryption for AES CBC mode using PyCrypto. All links for source code, text based tutorial and further reading material will be in the description below. Detailed Text Based Tutorial http://www.letscodepro.com/encryption-in-python-using-pycrypto/ Gihub Source Code Link https://github.com/the-javapocalypse/Python-File-Encryptor Further Reading Material http://searchsecurity.techtarget.com/definition/cipher https://defuse.ca/cbcmodeiv.htm https://www.di-mgt.com.au/cryptopad.html http://www.cryptofails.com/post/70059609995/crypto-noobs-1-initialization-vectors Please Subscribe! And like. And comment. That's what keeps me going. Follow Me Facebook: https://www.facebook.com/javapocalypse Instagram: https://www.instagram.com/javapocalypse
Views: 16050 Javapocalypse
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: 16273 Bill Buchanan OBE
Crypto & Block Cipher Modes (OpenSSL, AES 128, ECB, CBC)
 
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Video also at http://www.irongeek.com/i.php?page=videos/crypto-block-cipher-modes-openssl-aes-128-ecb-cbc with notes
Views: 18917 Adrian Crenshaw
Adding AES-ICM and AES-GCM to OpenCrypto
 
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by John-Mark Gurney Adding additional cipher modes may seem simple, but there are many things to consider. Implementing the modes and ensuring security requires more than a simply coding it up. It requires understanding of different standards and computer architecture to make sure things like side channel/timing attacks are addressed or properly understood. Some design decisions can be made to help ensure that consumers of the interface are able to properly use it.
Views: 590 Andrea Ross
Security Snippets: AES/CCM
 
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The tutorial is here: http://www.asecuritysite.com/Encryption/ccmaes
Views: 2919 Bill Buchanan OBE
web crypto tutorial  aes  encryption decryption
 
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AES Encryption/Decryption using Web Cryptography API Reference: https://8gwifi.org/docs/window-crypto-aes.jsp web crypto api tutorial The Crypto interface represents an interface to general purpose cryptographic functionality including a cryptographically strong pseudo-random number generator seeded with truly random values. The AES Encryption/Decryption Mode The AES-CTR algorithm identifier is used to perform encryption and decryption using AES in Counter mode. The "AES-CBC" algorithm identifier is used to perform encryption and decryption using AES in Cipher Block Chaining mode The "AES-GCM" algorithm identifier is used to perform authenticated encryption and decryption using AES in Galois/Counter Mode mode The "AES-KW" algorithm identifier is used to perform key wrapping using AES,
Views: 97 Zariga Tongy
Breaking and Repairing GCM Security Proofs
 
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Talk at crypto 2012. Authors: Tetsu Iwata, Keisuke Ohashi, Kazuhiko Minematsu. See http://www.iacr.org/cryptodb/data/paper.php?pubkey=24296
Views: 702 TheIACR
Cbc Implementation Solution - Applied Cryptography
 
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This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
Views: 368 Udacity
Сергей Матвеев — Кирпичики криптографии
 
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Сергей Матвеев — основатель русскоязычного общества шифропанков (http://www.cypherpunks.ru/), специалист по криптографической защите информационных систем, автор GoVPN (http://www.govpn.info) и NNCP (http://www.nncpgo.org) Кинематограф и СМИ создали криптографии впечатляющий ореол из предрассудков: каждый телезритель знает, что шифрование — это очень интересно, важно и … слишком сложно. Киногерои делают всё так естественно и объясняют так просто, что руки сами тянутся разобраться в теме подробнее. Тяга к знаниям пропадает когда вы видите загадочные «ECDHE-RSA-AES-128-CBC-SHA256, ECDSA-AES-256-GCM-SHA384, RC4-128-SRP» в «информации о соединении» вашего браузера. Сам собой на ум приходит вывод: «только уникальные люди могут разобраться в этом, мне не дано». Может ли простой человек понять, какие операции делает ваш смартфон сию секунду? Разобраться из чего состоит безопасность, или мы обречены руководствоваться выводами «того знаменитого парня». Подписывайтесь на канал: https://goo.gl/pPa63Y Наш сайт: http://setup.lc Социальные сети: - FB: https://www.fb.com/SetUp.lc - VK: https://vk.com/setup_lc - Telegram: https://t.me/setup_lc - Twitter: https://twitter.com/SetUp_lc - Instagram: https://www.instagram.com/setup_lc - OK: https://ok.ru/group/52655000912026
Views: 1107 Set Up
Cipher Block Chaining Mode. Encryption and Decryption
 
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Video made by Askarbek Almazbek uulu and Tan Hsiang Weih. CSCI361- Cryptography and Secure Application.
Views: 185 Askar Almazbekuulu
CBC Attack - Applied Cryptography
 
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This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
Views: 2465 Udacity
AES Encryption of a JPEG FILE
 
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Using JAVA to Encrypt and decrpyt a jpeg file
Views: 574 Muhammed Jobe
Java Projects With Source Code - AES Encryption and Decryption in Java Part - 3
 
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This video show you how to use previously written AES algorithm code to encrypt and decrypt the text.
Views: 27381 Infinity
GPU AES-256 Encryption test
 
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Acceleration of AES code from OpenSSL 1.0.1e. Run on single GK104 GPU. Speedup of more than 25x vs CPU implementation. AES-256 Encryption comparison on CPU and GPU (CUDA) on 524MB file: CPU: 2,991 msec GPU: 106 msec Throughput speed: CPU: 175 MB/sec GPU: 4,936 MB/sec http://twistcode.com
Views: 2573 TwistCoder
AES 256 in Java
 
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Learn How to Encrypt and Decrypt of String Using AES256
Views: 3823 Admin S
The Importance of In-Flight Encryption
 
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Speakers: Jim Theodoras, ADVA Optical Networking The big news in recent NSA revelations is not that the government is listening, but rather how vulnerable networks are to eavesdropping. Prior to the revelations, common theory dictated Service Provider services were secure, and higher layer encryption at end nodes guaranteed secure transmission end-to-end. However, after the revelations has come the realization that higher layer end encryption is not sufficient, as multiple points of vulnerabilities exist along the transport path. Service Provider business models were immediately impacted, as the price premium for VPN services began rapidly eroding. The only way to ensure end-to-end secure communication is in-flight encryption, where the WAN itself contains its own unique encryption and key management system. In this presentation, the network vulnerabilities recently discovered will be detailed. In-flight encryption and how it negates these vulnerabilities will be described. Recent advances in transport encryption, including 100Gbit/s line-rate encryption, will be presented. A companion live-demonstration of 100Gbit/s encryption is planned for Beer ‘N Gear. See more at: https://www.nanog.org/meetings/nanog60/agenda
Views: 57 TeamNANOG
Explanation of DPA: Differential Power Analysis (from the paper of Kocher et al)
 
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This is an explanation of the Kocher et al paper on Differential Power Analysis. errata 1: DPA and SPA are non-invasive errata 2: In last round of DES, the left and right halves don't get exchanged I have a blog here: www.cryptologie.net
Views: 7351 David Wong
Deployment Instructions
 
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DISCLAIMER: All information, thought, and code described here is intended for informational and educational purposes only. I currently make no attempt at HIPAA privacy compliance. Use of this code is without warranty or support of any kind. Use at your own risk, and do not use the information or code to make medical decisions. The system described will actively monitor a Dexcom G4/G5 system, display a three hour trend, send texts and/or phone calls to designated recipients, allow for acknowledgements of alerts, allow recipients to receive custom alerts based on the time of day and whether it is a weekend or a vacation day. All of this can be done without installing an app on the recipient's phone and the data is viewable from any device with Chrome, Firefox, or Safari. Sorry, Internet Explorer users, you are SOL. The video goes through a step by step approach including creating a Droplet on Digital Ocean, installing Node and certain packages, configuring Nginx, downloading code, modifying environmental files, loading third party dependencies, setting up an mlab (free) account, and configuring a Twilio account. The video is half an hour in length and it might move a little fast. There are sections that have some cut and paste commands and every command can be found right here. Create a superuser (non root): adduser evan usermod -aG sudo evan (Feel free to replace evan with your first name, remember Linux is case sensitive) Increase the Swap File size: sudo fallocate -l 1G /swapfile sudo chmod 600 /swapfile sudo mkswap /swapfile Installing node: curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash - sudo apt-get install -y nodejs sudo apt-get install -y build-essential sudo npm install -g forever sudo npm install -g grunt Nginx and Letsencrypt: sudo apt-get update sudo apt-get install letsencrypt sudo apt-get install nginx ←- Didn’t show this in the video :( sudo nano /etc/nginx/sites-available/default In nano, add this part right below server { (see the video) location ~ /.well-known { allow all; } sudo nginx -t sudo systemctl restart nginx sudo letsencrypt certonly -a webroot --webroot-path=/var/www/html -d www.t1dzoe.com (Replace www.t1dzoe.com with whatever domain name you are using) sudo nano /etc/nginx/sites-enabled/default Use Ctrl + K to delete every existing line in the file and replace it with: # HTTP - redirect all requests to HTTPS: server { listen 80; server_name www.thezlotnicks.com; return 301 https://$host$request_uri; } # HTTPS - proxy requests on to local Node.js app: server { listen 443 default_server ssl; server_name www.thezlotnicks.com; ssl on; # Use certificate and key provided by Let's Encrypt: ssl_certificate /etc/letsencrypt/live/www.thezlotnicks.com/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/www.thezlotnicks.com/privkey.pem; ssl_session_timeout 5m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_prefer_server_ciphers on; ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH'; location / { root /home/evan/static/dexcom-share-client/dist/; } location /api/ { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; proxy_pass http://localhost:3000/; proxy_ssl_session_reuse off; proxy_set_header Host $http_host; proxy_cache_bypass $http_upgrade; proxy_redirect off; proxy_read_timeout 600s; } } Remember replace evan with your username and www.thezlotnicks.com with your url that you registered. sudo systemctl restart nginx Install the server software: git clone https://github.com/PokerGuy/dexcom-share-messenger.git cd dexcom-share-messenger sudo npm install nano .env Make sure your .env file has: DEXCOM_USERNAME= DEXCOM_PASSWORD= MONGO_URI= PORT=3000 TZ=America/Chicago ACCOUNT_SID= AUTH_TOKEN= CHILD_NAME="Zoe Zlotnick" TWILIO_NUMBER=+1512551212 MESSAGE_URL=https://www.thezlotnicks.com/api/twiml To see the available time zones, type node listTimeZones.js Replace the twilio number, but keep the +1 portion as shown Replace the message url with your url + /api/twiml forever start app.js Install the client: cd ~/ mkdir static cd static git clone https://github.com/PokerGuy/dexcom-share-client.git cd dexcom-share-client sudo npm install cd src/constants nano constants.js Modify “http://localhost:3000” to “https://yoururl/api/” (Make sure to keep the quotes!) Get your twilio number, account sid, and authtoken. Do a: forever restartall Add your number to your favorites and enjoy using do not disturb again!
Views: 87 Evan Zlotnick
Sending Files Securely from a Windows Computer (Encryption and Signing)
 
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Signing and encrypting files with Gnu Privacy Guard for secure file transfer Key Management OWASP https://www.owasp.org/index.php/Key_Management_Cheat_Sheet Open PGP Best Practices https://riseup.net/en/security/message-security/openpgp/best-practices Creating the perfect gpg key pair https://alexcabal.com/creating-the-perfect-gpg-keypair/
Views: 14 ShaneInSweden
AES Rijndael Cipher explained as a Flash animation
 
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Many years ago I came across a clickable flash animation that explained how the Rijndael cipher works. And even though Rijndael is pure, complex math, the animated visualizations made the whole process so crystal clear that I had to bend down to the floor afterwards to pick up my dropped jaw. Since then I know how powerful animated visualizations can be, even (or rather especially) for abstract and/or complex topics. When I started my Go blog, I knew I had to use animations because they are worth a thousand words. I did the same in my Go videos that you can find over here in my channel, and also in my Go course. This video is a recoding of the flash animation while I click through it. The flash animation is still available at formaestudio.com (link below), but no sane browser would agree to play any flash content anymore, so a video capture is the best we can get. I hope the pace of clicking through the steps is just right for you. NOTE: The video has no audio part. This is not a bug, the Flash animation simply had no sounds. The Rijndael Animation (and another Flash program called Rijndael Inspector): http://www.formaestudio.com/rijndaelinspector/ (c) Enrique Zabala. License terms: "Both these programs are free of use." (I guess that publishing a video of the animation is covered by these terms.) My blog: https://appliedgo.net My course: https://appliedgo.com/p/mastergo
Views: 23455 AppliedGo
Encrypt your files with AES encryption
 
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This Video will explain how to Encrypt your files with AES encryption in Windows Operating System ---------------------------------------------------------------------------------------------- Web/Download URL https://www.aescrypt.com/download/ ---------------------------------------------------------------------------------------------- Subscribe this Channel http://goo.gl/98RZz ---------------------------------------------------------------------------------------------- Request Video you want http://goo.gl/sA5bRk ---------------------------------------------------------------------------------------------- Follow Me http://facebook.com/techgeekshan http://twitter.com/techgeekshan http://instagram.com/techgeekshan/
Views: 698 TechGeekShan
PERFECT LITTLE HOME SERVER [Raspberry Pi 3] PART 4 - Pydio DROPBOX REPLACEMENT
 
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► Follow me on: • Twitter: https://twitter.com/salkohd • Google PLUS: https://goo.gl/OZQPwN • Facebook: https://www.facebook.com/salkohd ► This video explains how to install Pydio on Raspberry Pi running Raspbian Linux. This is the 3rd video from the series, previous videos: - Part 3: https://goo.gl/LP7ts9 - PART 2: https://goo.gl/gJXgX0 - PART 1: https://goo.gl/tFoiWo ► Commands used in video: - Generate the certificate & key pair: sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/ssl/private/nginx-selfsigned.key -out /etc/ssl/certs/nginx-selfsigned.crt - Generate the Diffie-Helman group: openssl dhparam -out /etc/ssl/certs/dhparam.pem 2048 THIS WILL TAKE A LONG TIME! - Uncomment /var/www/html/pydio/conf/bootstrap_conf.php //$AJXP_INISET["session.save_path"] = AJXP_DATA_PATH."/tmp/sessions"; - Add an A record in BIND, pointing to your Raspberry Pi server (remember to use an external IP if you are planning to use Pydio outside your home network) NGINX pydio vhost file: ----------------------------------------------------- server { server_name pydio.salkohd.com; listen 80; rewrite ^ https://$server_name$request_uri? permanent; } server { server_name pydio.salkohd.com; root /var/www/html/pydio; index index.php; listen 443 ssl; keepalive_requests 10; keepalive_timeout 60 60; access_log /var/log/nginx/access_pydio6_log; error_log /var/log/nginx/error_pydio6_log; ssl_certificate /etc/ssl/certs/nginx-selfsigned.crt; ssl_certificate_key /etc/ssl/private/nginx-selfsigned.key; ssl_dhparam /etc/ssl/certs/dhparam.pem; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_prefer_server_ciphers on; ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH"; ssl_ecdh_curve secp384r1; ssl_session_cache shared:SSL:10m; ssl_session_tickets off; ssl_stapling on; ssl_stapling_verify on; add_header Strict-Transport-Security "max-age=63072000; includeSubdomains"; add_header X-Frame-Options DENY; add_header X-Content-Type-Options nosniff; client_max_body_size 15M; client_body_buffer_size 128k; rewrite ^/dashboard|^/settings|^/welcome|^/ws- /index.php last; if ( !-e $request_filename ) { # WebDAV Rewrites rewrite ^/shares /dav.php last; # Sync client rewrite ^/api /rest.php last; # External users rewrite ^/user ./index.php?get_action=user_access_point last; # Public shares rewrite ^/data/public/([a-zA-Z0-9_-]+)\.php$ /data/public/share.php?hash=$1?; } rewrite ^/data/public/([a-zA-Z0-9_-]+)--([a-z]+)$ /data/public/share.php?hash=$1&lang=$2?; rewrite ^/data/public/([a-zA-Z0-9_-]+)$ /data/public/share.php?hash=$1?; # Prevent Clickjacking add_header X-Frame-Options "SAMEORIGIN"; # Only allow these request methods and do not accept DELETE, SEARCH and other methods if ( $request_method !~ ^(GET|HEAD|POST|PROPFIND|OPTIONS)$ ) { return 444; } location ~* ^/(?:\.|conf|data/(?:files|personal|logs|plugins|tmp|cache)|plugins/editor.zoho/agent/files) { deny all; } # Enables PHP location ~ \.php$ { # for ^/(index|plugins) request_uri should be changed set $request_url $request_uri; if ( $uri ~ ^/(index|plugins) ) { set $request_url /; } include fastcgi.conf; fastcgi_param REQUEST_URI $request_url; try_files $uri =404; fastcgi_pass unix:/var/run/php5-fpm.sock; } # Enables Caching location ~* \.(ico|css|js)$ { expires 7d; add_header Pragma public; add_header Cache-Control "public, must-revalidate, proxy-revalidate"; } } ----------------------------------------------------- ► MUSIC: Outro Music by Marley & Speo NCS (No Copyright Sounds) https://www.youtube.com/watch?v=AUEdtwct0ac Follow Speo: http://soundcloud.com/speomusic http://facebook.com/speomusic http://twitter.com/speomusic Follow Morley: https://soundcloud.com/romely https://www.youtube.com/user/TheMorleyMusic ► Subscribe for more videos like this!
Views: 3812 Salko
PHP Tutorial |  Encrypt & Decrypt Securely
 
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PHP- encrypt & decrypt securely Download code? Explore at http://rathor.me/ln
Views: 2139 Tech. Rudranshi
Encrypt-Decrypt TEXT using AES Encryption
 
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This Video will explain Encrypt-Decrypt TEXT using AES Encryption standard with selected Key or password with 128 or 256 bit encryption.. ---------------------------------------------------------------------------------------------- Web/Download URL http://www.everpassword.com/aes-encryptor ---------------------------------------------------------------------------------------------- Subscribe this Channel http://goo.gl/98RZz ---------------------------------------------------------------------------------------------- Request Video you want http://goo.gl/sA5bRk ---------------------------------------------------------------------------------------------- My Official Website http://www.techgeekshan.in/ ---------------------------------------------------------------------------------------------- Follow & Subscribe Me http://facebook.com/techgeekshan http://twitter.com/techgeekshan https://www.reddit.com/r/TechGeekShan/ http://instagram.com/techgeekshan/ http://forum.xda-developers.com/member.php?u=5218718 http://droidx86.gdk.mx/profile/?u=339
Views: 7419 TechGeekShan
Encrypted Chat
 
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A encrypted chat platform based on XML, XSL, JavaScript a WebService etc.
Views: 424 Andreas Zita
C++ Qt 153  - OpenSSL Working with AES
 
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These videos are a bit outdated - I am in the process of replacing these with courses on Udemy.com Below are links for the courses I have finished so far. (I will be making much much more) Qt Core Beginners https://www.udemy.com/qt-core-for-beginners/?couponCode=YOUTUBE100K QT Core Intermediate https://www.udemy.com/qt-core-intermediate/?couponCode=YOUTUBE100K
Views: 5690 VoidRealms
[Java] - Crypto Demo - Encryption for Text (use with email or chat)
 
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Don't Forget to ****************** ╔═╦╗╔╦╗╔═╦═╦╦╦╦╗╔═╗ ║╚╣║║║╚╣╚╣╔╣╔╣║╚╣═╣ ╠╗║╚╝║║╠╗║╚╣║║║║║═╣ ╚═╩══╩═╩═╩═╩╝╚╩═╩═╝ ************************************* GitHub Link - https://github.com/lemon65/Crypto Hey YouTube I just want to say First off Thanks For Watching! Second I want to describe my general videos to you, well this is mostly a channel that hosts me and my friends gaming, as well as it might have a few how to videos ... where you might learn a few things. Also if you have any video ideas or suggestions I would LOVE to hear them.... and once more Thanks for watching!
Views: 314 MrLemon65
secure chat  with cryptography and steganography
 
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Secure chat using two levels of security: 1- The first level encrypted messages sent using AES algorithm and key length of 256 bits and is decryption and display the message at the receiver. 2-The second level leaves the user the freedom to use a hide the message sent in the picture and send the picture to the receiver and then restore the message from the picture.
Views: 466 anas rock
AF_KTLS - TLS/DTLS Linux kernel module
 
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by Fridolín Pokorný At: FOSDEM 2017 A Linux kernel module that introduces an AF _KTLS socket. AF_ KTLS socket canbe used to transmit data over TLS 1.2 using TCP or DTLS 1.2 using UDP.Currently, there is supported only AES GCM cipher. AF _KTLS kernel module introduces an AF_ KTLS socket. AF_KTLS socket can beused to transmit data over TLS 1.2 using TCP or DTLS 1.2 using UDP. Currently,there is supported AES GCM cipher. The socket does data transmission, the handshake, re-handshaking and othercontrol messages have to be served by user space using appropriate librariessuch as OpenSSL or Gnu TLS. AF_KTLS socket is suitable for CPU offloading anduse cases where can be omitted user space (buffered-copy) interaction (usingsendfile(2) or splice(2)). Room: H.1308 (Rolin) Scheduled start: 2017-02-05 14:00:00
Views: 91 FOSDEM
How to Setup Let's Encrypt SSL with Apache on CentOS 7
 
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Let's Encrypt is a free, automated, and open certificate authority brought to you by the non-profit Internet Security Research Group (ISRG) SSL certificates are used within web servers to encrypt the traffic between server and client, providing extra security for users accessing your application. yum -y install httpd mod_ssl epel-release gedit /etc/httpd/conf/httpd.conf yum install git -y systemctl start httpd ; systemctl enable httpd cd /usr/local/ git clone https://github.com/letsencrypt/letsencrypt cd /usr/local/letsencrypt ./letsencrypt-auto --apache -d quicknotepad.info gedit /etc/httpd/conf.d/ssl.conf SSLProtocol -SSLv3 SSLCipherSuite ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA SSLHonorCipherOrder on SSLOptions +StrictRequire systemctl restart httpd ------------------------------------------------------------------------------------------------------------
CS205 Parallel SHA3
 
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By Thomas Seah and Kevin Qi
Views: 258 kevin key jiang
Crypto chat
 
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Chat application that uses Hill cipher for encryption and decryption. src:https://github.com/hemantrkarora/crypto-chat
Views: 88 Hemant Arora
How To Secure Nginx with Let's Encrypt on Ubuntu 16.04
 
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Let’s Encrypt is a new Certificate Authority. It’s free, automated, and open, thereby enabling encrypted HTTPS on web servers. It simplifies the process by providing a software client, letsencrypt, that attempts to automate most (if not all) of the required steps. You must own or control the registered domain name that you wish to use the certificate with and you need to have Nginx installed to. Commands: sudo apt-get update sudo apt-get -y install git sudo git clone https://github.com/letsencrypt/letsencrypt /opt/letsencrypt sudo nano /etc/nginx/sites-available/default -------- location ~ /.well-known { allow all; } -------- sudo nginx -t sudo systemctl reload nginx cd /opt/letsencrypt ./letsencrypt-auto certonly -a webroot --webroot-path=/var/www/html -d nipone.com -d www.nipone.com sudo ls -l /etc/letsencrypt/live/your_domain_name sudo openssl dhparam -out /etc/ssl/certs/dhparam.pem 2048 sudo nano /etc/nginx/snippets/ssl-example.com.conf --------------- ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; --------------- sudo nano /etc/nginx/snippets/ssl-params.conf --------------- # from https://cipherli.st/ # and https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_prefer_server_ciphers on; ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH"; ssl_ecdh_curve secp384r1; ssl_session_cache shared:SSL:10m; ssl_session_tickets off; ssl_stapling on; ssl_stapling_verify on; resolver 8.8.8.8 8.8.4.4 valid=300s; resolver_timeout 5s; add_header Strict-Transport-Security "max-age=63072000; includeSubdomains; preload"; add_header X-Frame-Options DENY; add_header X-Content-Type-Options nosniff; ssl_dhparam /etc/ssl/certs/dhparam.pem; ------------- sudo cp /etc/nginx/sites-available/default /etc/nginx/sites-available/default.bak sudo nano /etc/nginx/sites-available/default ------------ server { listen 80 default_server; listen [::]:80 default_server; server_name example.com www.example.com; return 301 https://$server_name$request_uri; } server { # SSL configuration listen 443 ssl http2 default_server; listen [::]:443 ssl http2 default_server; include snippets/ssl-example.com.conf; include snippets/ssl-params.conf; ------------- sudo systemctl restart nginx ============== In a web browser: https://www.ssllabs.com/ssltest/analyze.html?d=example.com ============== /opt/letsencrypt/letsencrypt-auto renew sudo crontab -e -------------Here you have Brackets please don't just copy paste you must replace those big brackets with normal one ---------------- 30 2 * * 1 /opt/letsencrypt/letsencrypt-auto renew >> /var/log/le-renew.log 35 2 * * 1 /bin/systemctl reload nginx ------------- cd /opt/letsencrypt sudo git pull _____________________________________ Music by Joakim Karud https://soundcloud.com/joakimkarud You can always Deploy an SSD cloud server in 55 seconds with Digitalocean. Anyone how use this link will receive $10 in hosting credit immediately after unlocking their account by adding a valid payment method. Sign Up with this link https://m.do.co/c/7b9082af029f
Views: 3091 NixInPix
Underground IM - Java Instant Messenger
 
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Underground IM, the free Java Instant Messaging solution. Both a client and a server are available. Underground IM is open source software distributed free of charge under the terms of the GNU General Public License. http://undergroundim.net
Views: 608 fsig138
Android Twitter OAuth Tutorial (part 2): set up backend in PHP
 
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Tutorial: http://androidsmile.com/index.php/android/android-twitter-oauth-tutorial-part-2-set-up-backend-in-php/ In this tutorial, I will show how to set up backend in PHP to use Twitter OAuth sign in and get user timeline. This tutorial contains step-by-step instruction how to set up backend. Part 1: https://www.youtube.com/watch?v=ea_ykTkvZYI
Views: 371 AndroidSmile
Privacy-Preserving Multikeyword Similarity Search Over Outsourced Cloud Data
 
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Views: 106 Clickmyproject
KRACK - Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2
 
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KRACK: https://www.krackattacks.com Read the paper! https://papers.mathyvanhoef.com/ccs2017.pdf Some interesting discussion about the formal protocol verification: https://blog.cryptographyengineering.com/2017/10/16/falling-through-the-kracks/ -=[ 🔴 Stuff I use ]=- → Microphone:* https://amzn.to/2LW6ldx → Graphics tablet:* https://amzn.to/2C8djYj → Camera#1 for streaming:* https://amzn.to/2SJ66VM → Lens for streaming:* https://amzn.to/2CdG31I → Connect Camera#1 to PC:* https://amzn.to/2VDRhWj → Camera#2 for electronics:* https://amzn.to/2LWxehv → Lens for macro shots:* https://amzn.to/2C5tXrw → Keyboard:* https://amzn.to/2LZgCFD → Headphones:* https://amzn.to/2M2KhxW -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ -=[ 📄 P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #SecurityResearch #WifiHacking
Views: 58234 LiveOverflow
How To Run php on Android || Cara membuat program input dan output dengan php
 
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tutorial php android tutorial php mysql android php tutorial android app php tutorial for android cara menjalankan php di android cara menjalankan php mysql di android cara menggunakan php runner di android cara menjalankan file php di android cara menjalankan program php di android cara menjalankan script php di android php di android belajar php di android menjalankan php di android coding php di android php android php android app php android studio php android push notification php android mysql php android app development php android apps php android apk php android application development php android authentication php android aes php android app framework php a android php android barcode scanner php android backend php binary android php backend android app php build android buka file php di android cara buat php di android belajar bahasa php di android cara buat file php di android php android camera php android chat php android communication php android check php android compiler php android code php android_connect php to android converter php check android or ios php android developer php android database php database android php detect android or ios php detect android php get android device id php vs android developer php detect android device php encrypt android decrypt php android encryption php android editor php android example php android emulator php android encryption decryption php en android php json android example php for android examples php mysql android example php e android php android framework php android fcm php android file upload php android file download php for android php for android apk php for android apps php for android development .php file android php android github php android gcm php android get php get android version php get android gps location php get android imei php android hack php html android app cara membuka file php di hp android cara buka file php di hp android php header android php android ide php android image upload php android install php in android php in android studio php in android app php in android application php detect android ios php in android webview php in android development i.php android php android json example php json android studio php java android jalankan php di android cara menjalankan php di android php android jobs php android jwt php javascript android php javascript android app php ke android menjalankan kode php di android php android keyboard php android listview php mysql android login php localhost android php local android l.php android php android mysql json php android mysql tutorial php android mobile application php android mysql connection php android mcrypt php mysql android studio php mysql android server php android native php send android notification ngoding php di android cara ngoding php di android php no android php android offline php on android php on android studio php on android app php opener android php open android php android push notification example php android post php android push notification firebase php android push notifications php android programming php android push notification server php android post json php send android push notification qr code android php php android rest api php android rsa php android retrofit phprunner android php reader android php request android php rest android php run android php register android php android server php android socket php android session php android sms gateway php android sms php android studio mysql php android send push notification php android send notification php android software php to android app php to android php mysql android tutorial php to android apk php to android studio php to android json php to android application php android upload image php android user agent php android upload file php untuk android php using android php using android studio aplikasi untuk menjalankan php di android php android version php vs android php volley android php viewer android php check android version .php virus android php android webview php with android php with android app php with android studio php websocket android android php web server php with android development membuat web php di android php xml android php y android php y android studio php 2000 android phone php 7 android php 7.2 android how to run php and mysql on android how to run php in android studio how to run php file in android studio run php on android app how to run php code on android run php on android device how to run php file on android how to run php in android how to run php in android mobile how to run php on android phone how to run php script on android run php on android tablet how to run php website in android how to code php on android how to run php code on android how to convert php code to android app how to connect php code to android application how to code php in android how to run php code in android how to write php code in android
Views: 76 Julyanus Tataming
Crypto-Chat
 
01:02
We all want privacy, right? Well...some of us do. Now you can with Crypto-Chat! We're putting security back into the hands of the user. Securely send messages, peer to peer, with our adaptive encryption technology. Website - www.Crypto-Chat.com Download on the App Store - https://itunes.apple.com/us/app/crypto-chat/id920577582?mt=8
Views: 1643 Crypto Chat
[crypto] โหมด counter (CTR)
 
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วรเศรษฐ สุวรรณิก http://wannik.wordpress.com block cipher mode of operation
Views: 130 Wannik Akademy
Crypto Defenses for Real-World System Threats - Kenn White - Ann Arbor
 
01:36:58
Modern encryption techniques provide several important security properties, well known to most practitioners. Or are they? What are in fact the guarantees of, say, HTTPS TLS cipher suites using authenticated encryption, IPSec vs. SSL VPNs, Property Preserving Encryption, or token vaults? We live in an era of embedded Hardware Security Modules that cost less than $1 in volume, and countless options now exist for encrypting streaming network data, files, volumes, and even entire databases. Let's take a deep dive into the edge of developed practice to discuss real-world threat scenarios to public cloud and IoT data, and look closely at how we can address specific technical risks with our current encryption toolkits. Advanced math not required. Bio: Kenneth White is a security researcher whose work focuses on networks and global systems. He is co-director of the Open Crypto Audit Project (OCAP), currently managing a large-scale audit of OpenSSL on behalf of the Linux Foundation's Core Infrastructure Initiative. Previously, White was Principal Scientist at Washington DC-based Social & Scientific Systems where he led the engineering team that designed and ran global operations and security for the largest clinical trial network in the world, with research centers in over 100 countries. White co-founded CBX Group which provides security services to major organizations including World Health, UNICEF, Doctors without Borders, the US State Department, and BAO Systems. Together with Matthew Green, White co-founded the TrueCrypt audit project, a community-driven initiative to conduct the first comprehensive cryptanalysis and public security audit of the widely used TrueCrypt encryption software. White holds a Masters from Harvard and is a PhD candidate in neuroscience and cognitive science, with applied research in real-time classification and machine learning. His work on network security and forensics and been cited by media including the Wall Street Journal, Forbes, Reuters, Wired and Nature. White is a technical reviewer for the Software Engineering Institute, and publishes and speaks frequently on computational modeling, security engineering, and trust. He tweets @kennwhite.
Views: 859 Duo Security
How To Secure Nginx with Let's Encrypt on Ubuntu 14.04
 
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In this tutorial, we will show you how to use Let's Encrypt to obtain a free SSL certificate and use it with Nginx on Ubuntu 14.04. We will also show you how to automatically renew your SSL certificate. If you're running a different web server, simply follow your web server's documentation to learn how to use the certificate with your setup. Let's Encrypt is a new Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. It simplifies the process by providing a software client, letsencrypt, that attempts to automate most (if not all) of the required steps. Currently, as Let's Encrypt is still in open beta, the entire process of obtaining and installing a certificate is fully automated only on Apache web servers. However, Let's Encrypt can be used to easily obtain a free SSL certificate, which can be installed manually, regardless of your choice of web server software. Related tutorial: https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-14-04 Check out the DigitalOcean Community for more system administration tutorials: - https://www.digitalocean.com/communit... - https://www.digitalocean.com/communit... Leave a comment or tweet at Mitchell and DigitalOcean to tell us if this helped you. To learn more about DigitalOcean: https://www.digitalocean.com/ Follow us on Twitter: https://twitter.com/digitalocean Like us on Facebook: https://www.facebook.com/DigitalOcean Follow us on Instagram: https://www.instagram.com/thedigitalocean We're hiring: http://grnh.se/aicoph1 Tweet at Mitch! http://twitter.com/thisismitch
Views: 37881 DigitalOcean