Home
Search results “Crypto cipher module”
NodeJs - Symmetric Encryption (Module Crypto)
 
04:53
Learn to Encrypt and Decrypt Text With NodeJS using Module "Crypto". Easy and simple to use and very helpful in cases when you want to store information in database in encrypted form.
Views: 5413 Aman Kharbanda
Python Encryption Tutorial with PyCrypto
 
21:05
Sentdex.com Facebook.com/sentdex Twitter.com/sentdex How to use python to encrypt sensitive information, and later decrypt it, using PyCrypto! PyCrypto: https://www.dlitz.net/software/pycrypto/ The Code: http://sentdex.com/sentiment-analysisbig-data-and-python-tutorials/encryption-and-decryption-in-python-code-example-with-explanation/
Views: 79104 sentdex
How to Encrypt Strings and Files in Python
 
05:31
In this video I show you how to encrypt and decrypt strings and files using Python. I show you how to create a key, store the key and then how to use the key to encrypt and decrypt strings and files. This video demonstrates the use of the cryptography module. 🌎 Post with code and a written tutorial: https://nitratine.net/blog/post/encryption-and-decryption-in-python/ 📺 Auto Py to Exe: https://youtu.be/OZSZHmWSOeM 📺 Python GUI Using Chrome: https://youtu.be/2kbeBzEQfXE 📺 How to Send Emails in Python: https://youtu.be/YPiHBtddefI The cryptography is supported by Python 2.7 and Python 3.4 and above. (Also PyPy 5.3+) 🌎 cryptography docs: https://cryptography.io/en/latest/ 🐍 In this video I use Python 3.6. 👍🏼 Feel free to comment with any issues.
Views: 2581 PyTutorials
Node Crypto Module
 
06:57
Description of node crypto module
Views: 947 Uzochukwu Odozi
What is Modular Arithmetic - Introduction to Modular Arithmetic - Cryptography - Lesson 2
 
04:48
Modular Arithmetic is a fundamental component of cryptography. In this video, I explain the basics of modular arithmetic with a few simple examples. Learn Math Tutorials Bookstore http://amzn.to/1HdY8vm Donate - http://bit.ly/19AHMvX
Views: 126901 Learn Math Tutorials
Python3 Advanced Tutorial 10 - PyCrypto
 
20:31
This is a tutorial on PyCrypto, looking at encrypting and decrypting files using AES-256. All Links and Slides will be in the description. Subscribe for more cool stuff! Slides & files - https://www.mediafire.com/folder/blqyh7qotgu2r/Tutorial_10_-_PyCrypto Python - http://python.org/ Ubuntu - http://www.ubuntu.com/ Steam Group: http://steamcommunity.com/groups/DrapsTV Twitter: https://twitter.com/DrapsTV Ello: https://ello.co/drapstv If you like what you see be sure to subscribe and thumbs up!
Views: 23886 DrapsTV
Python AES Encryption/Decryption using PyCrypto Tutorial
 
08:46
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: 10854 Javapocalypse
Module 5: Encryption and Decryption with OpenSSL
 
03:54
This video details how to encrypt and decrypt using OpenSSL. References: Farid's Blog. (n.d.). Retrieved March 1, 2015, from http://farid.hajji.name/blog/2009/07/15/encryption-and-decryption-with-openssl/
Views: 4996 Simple Security
Modular exponentiation
 
11:37
Using the repeated squaring algorithm to calculate 2^300 mod 50.
Views: 73367 GVSUmath
Multiplicative inverses mod n
 
13:22
Views: 79099 GVSUmath
How to Multiply  in Modular Arithmetic - Cryptography - Lesson 5
 
07:36
In this tutorial, I demonstrate two different approaches to multiplying numbers in modular arithmetic. Learn Math Tutorials Bookstore http://amzn.to/1HdY8vm Donate - http://bit.ly/19AHMvX
Views: 28210 Learn Math Tutorials
HOW TO INSTALL PYTHON,PyCrypto and PARAMIKO
 
06:43
A step by step procedure to install PYTHON,PyCrypto, and PARAMIKO links for downloading: PYTHON:https://www.python.org/downloads/ PyCrypto:http://www.voidspace.org.uk/python/modules.shtml#pycrypto pip-get:-https://pip.pypa.io/en/stable/installing/ paramiko:http://www.paramiko.org/installing.html
Views: 18115 chaitanya v
Cryptography for Beginners Module - Introduction
 
00:58
This video previews the topics that will be included in the module on Cryptography for Beginners.
Views: 14 Pointful Education
Python Advanced Tutorial 10 - PyCrypto
 
25:17
This is a tutorial on PyCrypto, looking at encrypting and decrypting files using AES-256. All Links and Slides will be in the description. Subscribe for more cool stuff! Block Cipher Modes - http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation Slides & files - https://www.mediafire.com/folder/b4om18885dp0k/Tutorial_10_-_PyCrypto Python - http://python.org/ Ubuntu - http://www.ubuntu.com/ DrapsTV Twitter - https://twitter.com/DrapsTV If you like what you see be sure to subscribe and thumbs up!
Views: 43768 DrapsTV
Hill Cipher || With 3x3 Matrix Multiplicative Inverse Example in Mod 26
 
11:15
Hill Cipher || With 3x3 Matrix Multiplicative Inverse Example in Mod 26 This is My First Video Lecture, (*Sorry for Audio Quality & Little Disturbance) Note: Watch this video in 1.5x if you feel it's slow.
Views: 39526 Pritesh Prajapati
How to download and install Python Packages and Modules with Pip
 
08:32
This tutorial covers how to download and install packages using pip. Pip comes with newer versions of Python, and makes installing packages a breeze. ImportError: DLL load failed: The specified module could not be found : http://stackoverflow.com/questions/20201868/importerror-dll-load-failed-the-specified-module-could-not-be-found
Views: 708878 sentdex
The Caesar cipher | Journey into cryptography | Computer Science | Khan Academy
 
02:36
Brit explains the Caesar cipher, the first popular substitution cipher, and shows how it was broken with "frequency analysis" Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/polyalphabetic-cipher?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Missed the previous lesson? https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/intro-to-cryptography?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Computer Science on Khan Academy: Learn select topics from computer science - algorithms (how we solve common problems in computer science and measure the efficiency of our solutions), cryptography (how we protect secret information), and information theory (how we encode and compress information). About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Computer Science channel: https://www.youtube.com/channel/UC8uHgAVBOy5h1fDsjQghWCw?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 588954 Khan Academy
Module 5: What is a cipher (substitution and transposition)?
 
03:26
There are many different types of ciphers The examples shown in this video are substitution and transposition ciphers This video shows how normal plain-text is converted to cipher-text References: Substitution cipher. (n.d.). Retrieved February 18, 2015, from https://www.princeton.edu/~achaney/tmve/wiki100k/docs/Substitution_cipher.html
Views: 20823 Simple Security
Crypto & Block Cipher Modes (OpenSSL, AES 128, ECB, CBC)
 
13:01
Video also at http://www.irongeek.com/i.php?page=videos/crypto-block-cipher-modes-openssl-aes-128-ecb-cbc with notes
Views: 17799 Adrian Crenshaw
expressjs crypto - cipher decipher password
 
02:04
music by: FlStudio 12.4
Views: 406 Code Travel / Arjun
Types of Ciphers
 
09:19
Types of Ciphers
Views: 29346 Jungwoo Ryoo
Symmetric Key Cryptography - Cipher
 
08:20
Symmetric Key Cryptography - Cipher Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
Cryptography Lesson #1 - Block Ciphers
 
04:17
This tutorial video will help provide an understanding of what block ciphers are, and how they are used in the field of cryptography.
Views: 121389 Ryan Kral
Cryptography: Transposition Cipher
 
10:23
This lesson explains how to encrypt and decrypt a message using a transposition cipher. Site: http://mathispower4u.com
Views: 54779 Mathispower4u
HSM 101: What is a Hardware Security Module?
 
01:16
What is a hardware security module? A hardware security module is a dedicated crypto processor, designed to protect the crypto key lifecycle, validated for security by third parties (FIPS 140-2, Common Criteria, PCI HSM, FIPS 201). A hardware security module is a trust anchor. A trust anchor that protects the things we use every day. Things like SSL, DNS, banking and websites. Mobile devices. Smart meters. Medical devices. National identity cards. Credit card data and PINs. Mobile payments and verbal banking. Digital documents. Passports. And so much more. Hardware security modules typically are appliances or cards. Appliances or cards that ensure compliance. Simplify audits. Improve performance. Securely generate and store keys. Hardware security modules are trusted by the most security-conscious companies, agencies, banks, and service providers in the world. Hardware security modules: trust anchors in a digital world.
Views: 38715 Gemalto Security
Cryptography 101 - - XOR Cipher
 
05:34
XOR ciphers take advantage of Ascii encoding and basic bit switching operations. They are extremely fast, but not particularly secure when used alone, without a key exchange algorithm. XOR ciphers make up much of the basis of how modern encryption works. More Crypto 101: ADFVGX - https://www.youtube.com/watch?v=Y5-ory-Z25g Pigpen - https://www.youtube.com/watch?v=bUlIvx0fgV8 Homophonic Cipher - https://www.youtube.com/watch?v=sB_3fcO8G24 Vigenère Cipher - https://www.youtube.com/watch?v=QzizXgWGjcM Cracking Substitution Ciphers - https://www.youtube.com/watch?v=p99Wo_rr7OA Caesar shift and Atbash - https://www.youtube.com/watch?v=BbcYLI_3mNA Support me on Patreon if you are into that - https://www.patreon.com/laingsoft
Views: 6314 Charles Laing
Cryptography 101 - Substitution Ciphers
 
11:12
In this video we look at substitution ciphers: how they are made and how to break them.
Views: 56693 Pico Cetef
Module 19   Cryptography
 
17:25
ВНИМАНИЕ! Данный материал направлен на изучение, а не на применение. Это не обучающее пособие по взломам — это курс для специалистов по безопасности и служит для защиты собственных данных! Администрация сайта не несет ответственность за использование информации из курса! Курс: «Этичный хакинг и тестирование на проникновение v8». Курс из разряда «Эксклюзив«. Очень мощный курс с шикарной и понятной информацией! Материал прислал SpecTo с комментарием: «Достал курс с закрытого раздела одного форума, сам изучил весь материал и остался довольным. Многим будет интересно и полезно посмотреть. Повторять не рекомендую. Вдруг кто-нибудь хочет связать свою жизнь с информационной безопасностью, тогда этот курс для него! С Наступающим!» Материал может быть удален по запросу правообладателя! Оцениваем курс! :) Описание курса: Вы получите знания и навыки, необходимые для успешного выявления и устранения проблем безопасности в смешанных компьютерных сетях. Курс посвящен уникальным хакерским техникам и методам взлома в контексте применения оборонительных практик и рекомендаций, изложенных настоящими хакерами. Курс одобрен министерством обороны США и является официальной библией для сотрудников службы безопасности. В курсе представлены подробные материалы по работе компьютерных систем и сетей. Рассмотрены типичные уязвимости сетевых протоколов, операционных систем и приложений. Описаны последовательности различных видов атак на компьютерные системы и сети, и предложены рекомендации по укреплению защищенности компьютерных систем и сетей.
Views: 820 Box'Pandoras
NETWORK SECURITY - SUBSTITUTION TECHNIQUES
 
30:19
Substitution Techniques Here the Plain Text Letters are replaced with Cipher Text Characters 1) Caesar Cipher 2) Play Fair Cipher
How to Install Python Modules
 
02:47
This video shows how to set up Python for use in Windows' command prompt and install standard Python modules. Get Python here at http://python.org/ Get BeautifulSoup at http://www.crummy.com/software/BeautifulSoup/
Views: 326447 coffeeSnakeTV
Cryptography 101
 
45:18
Cryptography is a complex and confusing subject. In this talk you will learn about the core components of cryptography used in software development: securing data with encryption, ensuring data integrity with hashes and digital signatures, and protecting passwords with key derivation functions. While learning how to use these components, you will also learn the best practices that drive strong cryptography. This talk won’t make you a cryptography expert but it will give you the knowledge necessary to use cryptography properly. No prior knowledge of cryptography is required for this presentation. EVENT: the Dutch PHP Conference in 2018 SPEAKER: Adam Englander PERMISSIONS: Original video was published with the Creative Commons Attribution license (reuse allowed). CREDITS: Original video source: https://www.youtube.com/watch?v=KcjJ19geKmA&t=1s
Views: 6611 Coding Tech
Network Security - Basic Cryptography
 
10:12
Fundamentals of Computer Network Security This specialization in intended for IT professionals, computer programmers, managers, IT security professionals who like to move up ladder, who are seeking to develop network system security skills. Through four courses, we will cover the Design and Analyze Secure Networked Systems, Develop Secure Programs with Basic Cryptography and Crypto API, Hacking and Patching Web Applications, Perform Penetration Testing, and Secure Networked Systems with Firewall and IDS, which will prepare you to perform tasks as Cyber Security Engineer, IT Security Analyst, and Cyber Security Analyst. course 2 Basic Cryptography and Programming with Crypto API: About this course: In this MOOC, we will learn the basic concepts and principles of cryptography, apply basic cryptoanalysis to decrypt messages encrypted with mono-alphabetic substitution cipher, and discuss the strongest encryption technique of the one-time-pad and related quantum key distribution systems. We will also learn the efficient symmetric key cryptography algorithms for encrypting data, discuss the DES and AES standards, study the criteria for selecting AES standard, present the block cipher operating modes and discuss how they can prevent and detect the block swapping attacks, and examine how to defend against replay attacks. We will learn the Diffie-Hellman Symmetric Key Exchange Protocol to generate a symmetric key for two parties to communicate over insecure channel. We will learn the modular arithmetic and the Euler Totient Theorem to appreciate the RSA Asymmetric Crypto Algorithm, and use OpenSSL utility to realize the basic operations of RSA Crypto Algorithm. Armed with these knowledge, we learn how to use PHP Crypto API to write secure programs for encrypting and decrypting documents and for signing and verify documents. We then apply these techniques to enhance the registration process of a web site which ensures the account created is actually requested by the owner of the email account. Module 1 - Basic Cryptography In this module we learn the basic concepts and principles of crytography, introduce the basic concept of cryptoanalysis using mono-alphabetic substitution cipher as an example, and discuss the one-time-pad and quantum key distribution concepts. Learning Objectives • Compose secure program with Crypto API for encryption, authentication, and integrity checking • Understand terminologies of basic cryptography • Understand Kerchhoff Principle • Apply cryptoanalysis techniques on mono-alphabetic ciphers • Explain why one time pad is strongest and understand how quantum key can be distributed
Views: 150 intrigano
Encryption Techniques (substitution and transposition) Cryptography and Network security in HINDI.
 
04:20
Install Android app - https://play.google.com/store/apps/details?id=com.shalik.patel.cprogrammingsolution https://www.facebook.com/HTD-hub-250593705388294/?ref=br_rs Twitter - https://twitter.com/PatelShalik Hey, friends, I upload the videos in this channel in Hindi for Engineering student of UPTU and other universities for computer science and IT (information technology) students. like share and subscribe my channel ====================================================== Install C Programming Solution Android app - https://play.google.com/store/apps/details?id=com.shalik.patel.cprogrammingsolution ====================================================== ====================================================== My Career Planning android app - https://play.google.com/store/apps/details?id=guide.mycareer.com.rec.mycareer ====================================================== ====================================================== My Android App for my College Library (An Official App Of College Library) - https://play.google.com/store/apps/details?id=jrv.library.rec.reclibrary ====================================================== How to use android application - https://www.youtube.com/watch?v=1hMZCvl-JxM ====================================================== Contact me on Facebook - https://www.facebook.com/HTD-hub-250593705388294/?ref=br_rs ====================================================== Follow me on twitter - https://twitter.com/PatelShalik ======================================================
Module 5: What is symmetric key encryption?
 
02:04
Symmetric key encryption: A single key is used for both encryption and decryption in both directions Symmetric key that is 100 bits long or longer is considered a strong symmetric key References: Boyle, R., & Panko, R. (n.d.). Cryptography. In Corporate computer security (Fourth ed., p. 129).
Views: 549 Simple Security
Network Security - Use Crypto API to Encrypt and Decrypt
 
14:37
Fundamentals of Computer Network Security This specialization in intended for IT professionals, computer programmers, managers, IT security professionals who like to move up ladder, who are seeking to develop network system security skills. Through four courses, we will cover the Design and Analyze Secure Networked Systems, Develop Secure Programs with Basic Cryptography and Crypto API, Hacking and Patching Web Applications, Perform Penetration Testing, and Secure Networked Systems with Firewall and IDS, which will prepare you to perform tasks as Cyber Security Engineer, IT Security Analyst, and Cyber Security Analyst. course 2 Basic Cryptography and Programming with Crypto API: About this course: In this MOOC, we will learn the basic concepts and principles of cryptography, apply basic cryptoanalysis to decrypt messages encrypted with mono-alphabetic substitution cipher, and discuss the strongest encryption technique of the one-time-pad and related quantum key distribution systems. We will also learn the efficient symmetric key cryptography algorithms for encrypting data, discuss the DES and AES standards, study the criteria for selecting AES standard, present the block cipher operating modes and discuss how they can prevent and detect the block swapping attacks, and examine how to defend against replay attacks. We will learn the Diffie-Hellman Symmetric Key Exchange Protocol to generate a symmetric key for two parties to communicate over insecure channel. We will learn the modular arithmetic and the Euler Totient Theorem to appreciate the RSA Asymmetric Crypto Algorithm, and use OpenSSL utility to realize the basic operations of RSA Crypto Algorithm. Armed with these knowledge, we learn how to use PHP Crypto API to write secure programs for encrypting and decrypting documents and for signing and verify documents. We then apply these techniques to enhance the registration process of a web site which ensures the account created is actually requested by the owner of the email account. Develop Secure Programs with Crypto API In this module, we learn how to use Crypto API to write secure programs for encrypting and decrypting documents, and for signing and verify documents. We then apply the techniques to enhance the registration process of a web site which ensures the account created is actually belonging to the owner of the email account the request profile. Learning Objectives • Develop secure programs with Crypto API for encryption, authentication, and integrity checking • Enhance the registration process of the web site by using the crypto api • Create and utilize the Crypto API to sign and verify documents Subscribe at: https://www.coursera.org
Views: 140 intrigano
Ethical Hacking - Cryptography
 
12:57
Ethical Hacking - Cryptography Watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Sharad Kumar, Tutorials Point India Private Limited
Ciphers (CISSP Free by Skillset.com)
 
02:56
This Ciphers training module is part of the CISSP FREE training course from Skillset.com (https://www.skillset.com/certifications/cissp). Skillset helps you pass your certification exam. Faster. Guaranteed. https://www.skillset.com Topic: CIPHERS Skill: Cryptography Fundamentals Skillset: Security Engineering Certification: CISSP Join the 40,000+ candidates in over 58 countries that have found a faster, better way to pass their certification exam. + Unlimited access to thousands of practice questions + Exam readiness score + Smart reinforcement + Focused training ensures 100% exam readiness + Personalized learning plan + Align exam engine to your current baseline knowledge + Eliminate wasted study time + Exam pass guarantee And much more - https://www.skillset.com
Views: 1994 Skillset
Polyalphabetic cipher | Journey into cryptography | Computer Science | Khan Academy
 
02:27
Brit introduces the polyalphabetic cipher, which creates a lighter fingerprint than the Caesar cipher. Watch the next lesson: https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/one-time-pad?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Missed the previous lesson? https://www.khanacademy.org/computing/computer-science/cryptography/crypt/v/caesar-cipher?utm_source=YT&utm_medium=Desc&utm_campaign=computerscience Computer Science on Khan Academy: Learn select topics from computer science - algorithms (how we solve common problems in computer science and measure the efficiency of our solutions), cryptography (how we protect secret information), and information theory (how we encode and compress information). About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Computer Science channel: https://www.youtube.com/channel/UC8uHgAVBOy5h1fDsjQghWCw?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
Views: 429927 Khan Academy
Introduction to Lattice Based Cryptography
 
07:08
This short video introduces the concept of a lattice, why they are being considered as the basis for the next generation of public key cryptography, and a short walk through of a specific encryption algorithm. For a very thorough paper designed to be readable for undergraduates I highly recommend https://eprint.iacr.org/2015/938.pdf. *One technical note: At 1:30 I claim that lattices are composed only of integers. This is not true. Some lattices only contain integers, but in general any rational number will do.
Views: 5721 Matthew Dozer
Shannon Proof of Vernam's Cipher Unbreakability
 
12:57
Here is the short and far reaching proof that Vernam's 1917 cipher is absolutely unbreakable! The same proof implicates AES, DES, RSA, ECC and all other highly regarded ciphers, proving they are all definitely breakable. This cornerstone proof is of great importance for anyone striving to understand the capabilities and vulnerabilities of modern cryptography. A few minutes of mental focus, and you will understand the nature of cryptography much better than if you read volumes of soft crypto analysis.
Views: 3216 Gideon Samid
Network Security - Columnar Transposition Ciphers
 
04:07
Fundamentals of Computer Network Security This specialization in intended for IT professionals, computer programmers, managers, IT security professionals who like to move up ladder, who are seeking to develop network system security skills. Through four courses, we will cover the Design and Analyze Secure Networked Systems, Develop Secure Programs with Basic Cryptography and Crypto API, Hacking and Patching Web Applications, Perform Penetration Testing, and Secure Networked Systems with Firewall and IDS, which will prepare you to perform tasks as Cyber Security Engineer, IT Security Analyst, and Cyber Security Analyst. course 2 Basic Cryptography and Programming with Crypto API: About this course: In this MOOC, we will learn the basic concepts and principles of cryptography, apply basic cryptoanalysis to decrypt messages encrypted with mono-alphabetic substitution cipher, and discuss the strongest encryption technique of the one-time-pad and related quantum key distribution systems. We will also learn the efficient symmetric key cryptography algorithms for encrypting data, discuss the DES and AES standards, study the criteria for selecting AES standard, present the block cipher operating modes and discuss how they can prevent and detect the block swapping attacks, and examine how to defend against replay attacks. We will learn the Diffie-Hellman Symmetric Key Exchange Protocol to generate a symmetric key for two parties to communicate over insecure channel. We will learn the modular arithmetic and the Euler Totient Theorem to appreciate the RSA Asymmetric Crypto Algorithm, and use OpenSSL utility to realize the basic operations of RSA Crypto Algorithm. Armed with these knowledge, we learn how to use PHP Crypto API to write secure programs for encrypting and decrypting documents and for signing and verify documents. We then apply these techniques to enhance the registration process of a web site which ensures the account created is actually requested by the owner of the email account. Module 1 - Basic Cryptography In this module we learn the basic concepts and principles of crytography, introduce the basic concept of cryptoanalysis using mono-alphabetic substitution cipher as an example, and discuss the one-time-pad and quantum key distribution concepts. Learning Objectives • Compose secure program with Crypto API for encryption, authentication, and integrity checking • Understand terminologies of basic cryptography • Understand Kerchhoff Principle • Apply cryptoanalysis techniques on mono-alphabetic ciphers • Explain why one time pad is strongest and understand how quantum key can be distributed
Views: 308 intrigano
CBC Mode Block Cryptography
 
04:54
Cyber Attack Countermeasures Module 4 Overview of Public Key Cryptographic Methods This module introduces the basics of public key cryptography including an overview of SSL and CA applications. Learning Objectives • Discuss CBC mode cryptography • Describe conventional crypto scaling • Identify the basics of public key cryptography including secrecy and digital signing • Examine Diffie Hellman Key Exchange and its contributions to security • Explain key distribution techniques including CA protocols • Summarize SSL and how it is implemented in browsers • Examine the history of cryptographic invention in the US and UK Subscribe at: https://www.coursera.org/learn/intro-cyber-attacks/home/welcome https://www.coursera.org
Views: 20 intrigano
Applied Cryptography: Hash Functions - Part 1
 
09:42
This video gives a general idea on what hash functions are and their uses. It also describes a use of hash functions for a digital signature protocol.
Views: 21055 Leandro Junes
Symmetric cipher | CSS series #3
 
01:32
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: 28908 Last moment tuitions
Vigenere Cipher - Decryption (Unknown Key)
 
17:45
This video shows the process (thoroughly) of how to find the key when you don't have it. English alphabet frequencies: http://www.math.cornell.edu/~mec/2003-2004/cryptography/subs/frequencies.html Decryption (known key): http://youtu.be/oHcJ4QLiiP8 Encryption: http://youtu.be/izFivfLjD5E
Views: 113438 Theoretically
How To Find The Inverse of a Number ( mod n ) - Inverses of Modular Arithmetic - Example
 
10:58
This tutorial shows how to find the inverse of a number when dealing with a modulus. When dealing with modular arithmetic, numbers can only be represented as integers ranging from 0 to ( the modulus minus 1 ). This tutorial shows one method that can be used when solving for an inverse of modular arithmetic. Learn Math Tutorials Bookstore http://amzn.to/1HdY8vm Donate http://bit.ly/19AHMvX
Views: 196571 Learn Math Tutorials
Cryptography
 
07:32
Google IT Support Professional Certificate Course 6 - IT Security: Defense against the digital dark arts, Module 2 - Cryptology To get certificate subscribe at: https://www.coursera.org/specializations/google-it-support ================= The whole course playlist: Google IT Support Professional Certificate https://www.youtube.com/playlist?list=PL2jykFOD1AWZlfwMPcVKwaFrRXbqObI3U ================= IT Security https://www.youtube.com/playlist?list=PL2jykFOD1AWaEXEpyRf-Im3U8WQ962Y4B ================= https://www.facebook.com/cyberassociation/ https://scsa.ge/en/online-courses/ This six-course certificate, developed exclusively by Google, includes innovative curriculum designed to prepare you for an entry-level role in IT support. A job in IT can mean in-person or remote help desk work, either in a small business or at a global company, like Google. Whether you’ve been tinkering with IT or are completely new to the field, you’ve come to the right place. If you’re looking for a job, upon completion of the certificate, you can share your information with top employers, like Bank of America, Walmart, Sprint, GE Digital, PNC Bank, Infosys, TEKsystems, UPMC, and, of course, Google. Course 6 - IT Security: Defense against the digital dark arts About the Course This course covers a wide variety of IT security concepts, tools, and best practices. It introduces threats and attacks and the many ways they can show up. We’ll give you some background of encryption algorithms and how they’re used to safeguard data. Then, we’ll dive into the three As of information security: Authentication, authorization, and accounting. We’ll also cover network security solutions, ranging from firewalls to Wifi encryption options. The course is rounded out by putting all these elements together into a multi-layered, in-depth security architecture, followed by recommendations on how to integrate a culture of security into your organization or team. At the end of this course, you’ll understand: - how various encryption algorithms and techniques work and their benefits and limitations. - various authentication systems and types. - the difference between authentication and authorization. At the end of this course, you’ll be able to: - evaluate potential risks and recommend ways to reduce risk. - make recommendations on how best to secure a network. - help others to understand security concepts and protect themselves Who is this class for: This program is intended for beginners who are interested in developing the skills necessary to perform entry-level IT support. No pre-requisite knowledge is required. However, if you do have some familiarity with IT, you can skip through any content that you might already know and speed ahead to the graded assessments. Module 2 - Cryptology In the second module of this course, we'll learn about cryptology. We'll explore different types of encryption practices and how they work. We'll show you the most common algorithms used in cryptography and how they've evolved over time. By the end of this module, you'll understand how symmetric encryption, asymmetric encryption, and hashing work; you'll also know how to choose the most appropriate cryptographic method for a scenario you may see in the workplace. Learning Objectives • Understand the how symmetric encryption, asymmetric encryption, and hashing work. • Describe the most common algorithms of cryptography. • Choose the most appropriate cryptographic method given a scenario.
Views: 155 intrigano
Classical Cryptography
 
31:57
Subject : Computer Science Paper: Cryptography and Network Security Module: Classical Cryptography Content Writer: Dr.Kulothungan
Views: 397 Vidya-mitra

Uk passport cover letter
Wolfe and associates application letters
144 eme newsletter formats
Cover letter sample for administrative support salary
Paper writing service on the