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
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if you have any query email us at
[email protected]
Sample Notes : https://goo.gl/Ze1FpX
or Fill the form we will contact you
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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

Views: 24545
Last moment tuitions

For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com

Views: 66653
Introduction to Cryptography by Christof Paar

-~-~~-~~~-~~-~-
Please watch: "PL vs FOL | Artificial Intelligence | (Eng-Hindi) | #3"
https://www.youtube.com/watch?v=GS3HKR6CV8E
-~-~~-~~~-~~-~-

Views: 93895
Well Academy

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: 45114
Last moment tuitions

Get Full Course: http://www.engineeringmentor.com/CNYTv3
Networks #3: This tutorial introduces the Cryptography basics. It also explains what is Encryption and Decryption.
a) Cryptography basics (00:21):http://youtu.be/BEb_AnPWPwY?t=21s
how do we provide this security during transmission? Well, One way of ensuring security can be use of CRYPTOGRAPHY!
Cryptography is a field of network security
which deals with hiding "real" infromation
when it is under transmission between the two parties.
Usually, the real information is transformed
or hidden into another message and transmitted over the network.
This transformed message in itself will make no sense
even if any hacker gets hold of this information.
When it reaches the destination,
the receipent will know a method to de-transform
the garbage message into the original information
which the sender had sent.method of transforming message at sender's side
and de transforming at reciever's side forms the basic model of Cryptography.
b) Encryption and Decryption (3:57):http://youtu.be/BEb_AnPWPwY?t=3m57s
First, the information to be transmitted, called as plain text(or message)
is fed to an Encryption system.
The Encyrption system uses a key to convert the plain text to encyrpted form
which looks like garbage value.
This is also called as cipher text.
A corresponding key is used at the other end
to decrypt the cipher text back to original message.
When we say a key, it actually means a piece of string value
which is fed to encyprtion and decryption algorithms
along with the text for transformation.
When the message reaches the destination,
this system at the other end decrypts the cipher text into original message
with the help of the key.
This is called as Decryption System.
The output of the Decryption System is the intended message.
Depending on how the keys are shared,
we can classify crytography as symmetric and asymmetric.
If the keys used by both parties are same,
then it is called symmetric key cryptography, or private key cryptography.
If both parties use different keys for encyrption and decryption,
then it is called asymmetric key cryptography or public key cryptography.
video URL : https://www.youtube.com/watch?v=BEb_AnPWPwY
Watch ALL CN VIDEOS: https://www.youtube.com/playlist?list=PL9OIoIp8YySF4mkIihOb_j2HZIRIlYuEx
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Twitter : https://twitter.com/Engi_Mentor

Views: 102777
Skill Gurukul

https://8gwifi.org/CipherFunctions.jsp
Reference book: http://leanpub.com/crypto
Computer Security, Cryptography Advanced Encryption Standard AES,fips 197
The Advanced Encryption Standard (AES) specifies a FIPS-approved
cryptographic algorithm that can be used to protect electronic data. The AES algorithm is a symmetric block cipher that can encrypt (encipher) and decrypt (decipher) information. Encryption converts data to an unintelligible form called ciphertext; decrypting the ciphertext converts the data back into its original form, called plaintext.
The AES algorithm is capable of using cryptographic keys of 128, 192, and 256 bits to encrypt and decrypt data in blocks of 128 bits.
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Views: 150808
Zariga Tongy

DATA ENCRYPTION STANDARD
By Namratha Kalasannavar
For notes, all video links, ppt, important documents, previous year question papers can visit my blog at
https://namrathakalasannavar955210856.wordpress.com

Views: 247
Namratha Kalasannavar

Modern day encryption is performed in two different ways. Check out http://YouTube.com/ITFreeTraining or http://itfreetraining.com for more of our always free training videos. Using the same key or using a pair of keys called the public and private keys. This video looks at how these systems work and how they can be used together to perform encryption.
Download the PDF handout
http://itfreetraining.com/Handouts/Ce...
Encryption Types
Encryption is the process of scrambling data so it cannot be read without a decryption key. Encryption prevents data being read by a 3rd party if it is intercepted by a 3rd party. The two encryption methods that are used today are symmetric and public key encryption.
Symmetric Key
Symmetric key encryption uses the same key to encrypt data as decrypt data. This is generally quite fast when compared with public key encryption. In order to protect the data, the key needs to be secured. If a 3rd party was able to gain access to the key, they could decrypt any data that was encrypt with that data. For this reason, a secure channel is required to transfer the key if you need to transfer data between two points. For example, if you encrypted data on a CD and mail it to another party, the key must also be transferred to the second party so that they can decrypt the data. This is often done using e-mail or the telephone. In a lot of cases, sending the data using one method and the key using another method is enough to protect the data as an attacker would need to get both in order to decrypt the data.
Public Key Encryption
This method of encryption uses two keys. One key is used to encrypt data and the other key is used to decrypt data. The advantage of this is that the public key can be downloaded by anyone. Anyone with the public key can encrypt data that can only be decrypted using a private key. This means the public key does not need to be secured. The private key does need to be keep in a safe place. The advantage of using such a system is the private key is not required by the other party to perform encryption. Since the private key does not need to be transferred to the second party there is no risk of the private key being intercepted by a 3rd party. Public Key encryption is slower when compared with symmetric key so it is not always suitable for every application. The math used is complex but to put it simply it uses the modulus or remainder operator. For example, if you wanted to solve X mod 5 = 2, the possible solutions would be 2, 7, 12 and so on. The private key provides additional information which allows the problem to be solved easily. The math is more complex and uses much larger numbers than this but basically public and private key encryption rely on the modulus operator to work.
Combing The Two
There are two reasons you want to combine the two. The first is that often communication will be broken into two steps. Key exchange and data exchange. For key exchange, to protect the key used in data exchange it is often encrypted using public key encryption. Although slower than symmetric key encryption, this method ensures the key cannot accessed by a 3rd party while being transferred. Since the key has been transferred using a secure channel, a symmetric key can be used for data exchange. In some cases, data exchange may be done using public key encryption. If this is the case, often the data exchange will be done using a small key size to reduce the processing time.
The second reason that both may be used is when a symmetric key is used and the key needs to be provided to multiple users. For example, if you are using encryption file system (EFS) this allows multiple users to access the same file, which includes recovery users. In order to make this possible, multiple copies of the same key are stored in the file and protected from being read by encrypting it with the public key of each user that requires access.
References
"Public-key cryptography" http://en.wikipedia.org/wiki/Public-k...
"Encryption" http://en.wikipedia.org/wiki/Encryption

Views: 470141
itfreetraining

Cryptography and Network Security by Prof. D. Mukhopadhyay, Department of Computer Science and Engineering, IIT Kharagpur. For more details on NPTEL visit http://nptel.iitm.ac.in

Views: 30180
nptelhrd

Views: 301
Prit M

For slides, a problem set and more on learning cryptography, visit www.crypto-textbook.com.
The AES book chapter for this video is also available at the web site (click Sample Chapter).

Views: 176880
Introduction to Cryptography by Christof Paar

This animation is made by Mr. Enrique Zabala. This is verison 4 made for CrypTool.
This video is made for students so that they can donwload it and can learn this algorithm.

Views: 13151
HowTo

https://8gwifi.org/CipherFunctions.jsp
Encryption Decryption Online https://8gwifi.org/CipherFunctions.jsp
what is DES DATA ENCRYPTION STANDARD (DES)
The Data Encryption Standard (DES) specifies two FIPS approved
cryptographic algorithms as required by FIPS 140-1. When used in conjunction with American
National Standards Institute (ANSI) X9.52 standard, this publication provides a complete description
of the mathematical algorithms for encrypting (enciphering) and decrypting (deciphering) binary
coded information. Encrypting data converts it to an unintelligible form called cipher. Decrypting
cipher converts the data back to its original form called plaintext. The algorithms described in this
standard specifies both enciphering and deciphering operations which are based on a binary number
called a key
computer security cryptography
data encryption standard animation

Views: 71208
Zariga Tongy

Views: 10397
Reema Thareja

#rsa #deffiehellman #cryptographylectures #lastmomenttuitions
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: 267123
Last moment tuitions

شرح كامل للتشفير عن طريق شيفرة S-DES (Simplified) بطريقة مبسطة مع حل مثال.
Information Security and Privacy - Simplified DES (Data Encryption Standard) Block Cipher Encyption Fully Explained with Example.
- How to find L1, R1
- How to find IP inverse (IP-1)
- How to encrypt the message
- Saif Badran
iTeam Academic Group - JU
https://facebook.com/groups/iTeam.Ju

Views: 48876
iAcademy

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

-~-~~-~~~-~~-~-
Please watch: "PL vs FOL | Artificial Intelligence | (Eng-Hindi) | #3"
https://www.youtube.com/watch?v=GS3HKR6CV8E
-~-~~-~~~-~~-~-

Views: 97378
Well Academy

Symmetric Key Cryptography | Asymmetric Cryptography | AES | Advanced Encryption Standard | Case Study : Win-Zip 14.0 | Case Study : Win-Zip

Views: 40
Krati Mittal

Fundamental concepts of Block Cipher Design Principles are discussed. DES is presented.
Differential and linear cryptanalysis are explained .
Block Cipher Principles
Data Encryption Standard (DES)
Differential and Linear Cryptanalysis
Block Cipher Design Principles

Views: 20431
Scholartica Channel

Ethical Hacking - Encryption Algorithm
watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm
Lecture By: Mr. Sharad Kumar, Tutorials Point India Private Limited

Views: 3808
Tutorials Point (India) Pvt. Ltd.

DES Encryption, P-boxes and S-Boxes, Feistel Network

Views: 36286
Natarajan Meghanathan

find relevant notes at-https://viden.io/

Views: 59833
LearnEveryone

Difference between Asymmetric Key and Symmetric Key Cryptography
Keywords:
Asymmetric Key Cryptography
Symmetric Key Cryptography
Network Security Notes

Views: 38339
Easy Engineering Classes

Example of key generation and encryption using simplified DES. Lecture 5 of CSS322 Security and Cryptography at Sirindhorn International Institute of Technology, Thammasat University. Given on 26 November 2013 at Bangkadi, Pathumthani, Thailand by Steven Gordon. Course material via: http://sandilands.info/sgordon/teaching

Views: 41742
Steven Gordon

In this video , i discussed about GTU INS UNIT 2 first part Data Encryption Standard DES
you Can find Unit PPT , related Videos and syllabus on Below Google Drive LInk
https://drive.google.com/drive/folders/0B3F0L2_uTazMbDlrU0xLci1GVjg?usp=sharing
For any Query you can mail me on
[email protected]

Views: 1150
ANKIT CHOUHAN

Digital Signature : If the Sender Private key is used at encryption then it is called digital signature. This digital Signature is implemented two approaches
1) RSA Approach
2) DSS Approach.

Views: 45418
Sundeep Saradhi Kanthety

We are providing a Final year IEEE project solution & Implementation with in short time. If anyone need a Details Please Contact us Mail: [email protected] Phone: 09842339884, 09688177392 Watch this also: https://www.youtube.com/channel/UCDv0caOoT8VJjnrb4WC22aw
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algorithm,

Views: 4906
SD Pro Engineering Solutions Pvt Ltd

This video lecture is produced by S. Saurabh. He is B.Tech from IIT and MS from USA.
RSA Algorithm and public key encryption | rivest shamir adleman algorithm
To study interview questions on Linked List watch http://www.youtube.com/playlist?list=PL3D11462114F778D7&feature=view_all
To prepare for programming Interview Questions on Binary Trees
http://www.youtube.com/playlist?list=PLC3855D81E15BC990&feature=view_all
To study programming Interview questions on Stack, Queues, Arrays visit
http://www.youtube.com/playlist?list=PL65BCEDD6788C3F27&feature=view_all
To watch all Programming Interview Questions visit
http://www.youtube.com/playlist?list=PLD629C50E1A85BF84&feature=view_all
To learn about Pointers in C visit
http://www.youtube.com/playlist?list=PLC68607ACFA43C084&feature=view_all
To learn C programming from IITian S.Saurabh visit
http://www.youtube.com/playlist?list=PL3C47C530C457BACD&feature=view_all

Views: 4974
saurabhschool

If you find our videos helpful you can support us by buying something from amazon.
https://www.amazon.com/?tag=wiki-audio-20
International Data Encryption Algorithm
In cryptography, the International Data Encryption Algorithm (IDEA), originally called Improved Proposed Encryption Standard (IPES), is a symmetric-key block cipher designed by James Massey of ETH Zurich and Xuejia Lai and was first described in 1991.The algorithm was intended as a replacement for the Data Encryption Standard (DES).
=======Image-Copyright-Info=======
Image is in public domain
Author-Info: Original uploader was Surachit at en.wikipedia
Image Source: https://en.wikipedia.org/wiki/File:International_Data_Encryption_Algorithm_InfoBox_Diagram.svg
=======Image-Copyright-Info========
-Video is targeted to blind users
Attribution:
Article text available under CC-BY-SA
image source in video
https://www.youtube.com/watch?v=WkXCqvHb6DY

Views: 12538
WikiAudio

www.youtube.com/c/sundeepsaradhi

Views: 31818
Sundeep Saradhi Kanthety

Sharing resources in a cost effective way between large companies makes cloud computing more popular day after day. It is an advanced platform for the users to access computing services any- time and from anywhere. This is the only service which integrates,optimizes and provides computing jobs by the way of renting resources and services. The higher the demand more the growing threat of security becoming an issue. One such issue is to regards of protecting the data transferred between different people and organizations.
The Advanced Encryption Standard and the Rivest-Shamir-Adleman (RSA) algorithms are the most used and popular encryption methods that are reliable when it comes to confidentiality and authenticity. We a trying to implement a hybrid algorithm which is 100-1000 times faster than the normal standard keys used in the present day in an organization running Cloud Services with the use of eyeOS in their company.

Views: 983
Avinash pasupuleti

RSA Matrix Encryption Presentation

Views: 136
Jonathan Moody

This is a part of lecture presented by Ms.Rashmi Sharma Asst.proffesor of Biyani girls college. The video is about cryptography And its importance in network security. In cryptography we send the message in encrypted form to the receiver. The aim of cryptography is to provide Authenticity, secrecy, non-repudiation. The video is helpful for BCA students.

Views: 14989
Guru Kpo

In this video , i discussed about GTU INS UNIT 2 first part's with DES Animation And Example.
you can find animation on
http://kathrynneugent.com/des.html
you Can find Unit PPT, Material , related Videos and syllabus on Below Google Drive LInk
https://drive.google.com/drive/folders/0B3F0L2_uTazMbDlrU0xLci1GVjg?usp=sharing
For any Query you can mail me on
[email protected]

Views: 579
ANKIT CHOUHAN

How does public-key cryptography work? What is a private key and a public key? Why is asymmetric encryption different from symmetric encryption? I'll explain all of these in plain English!
🐦 Follow me on Twitter:
https://twitter.com/savjee
✏️ Check out my blog:
https://www.savjee.be
👍🏻 Like my Facebook page:
https://www.facebook.com/savjee

Views: 192690
Simply Explained - Savjee

Take the full crash course of Cryptography and Security System for free at Last moment tuitions
Full course : https://lastmomenttuitions.com/course/cryptography-and-system-security/
Sample Notes :https://goo.gl/QpZPF5
For full hand made notes of Artificial Intelligence its only 100 rs
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Cryptography and security systems Series
introduction to CSS: https://goo.gl/tjrh1L
security goals and mechanism:https://goo.gl/uq35hP
symmetric cipher:https://goo.gl/KFxF9j
Substitution cipher and its types:https://goo.gl/MKmPzk
Transposition cipher:https://goo.gl/uHqD7i
diffie -hellman: https://goo.gl/YrskC5
RSA Algorithm:https://goo.gl/KwzCBF
Kerberos:https://goo.gl/MQPgzw
IDEA algorithm : https://goo.gl/PTCqFH
Dos and DDos attack: https://goo.gl/8T345G
SQL injection:https://goo.gl/bcVHnw
SHA-1 vs MD5 :https://goo.gl/QJBhJD
chalo toh public bus pass hojao aur share karo videos ko whatsapp group
apne last moment pe unn dosto ko jo apni tarah last moment pe padhte hai
Aur videos CSS ke aane waale hai so Channel ko subscribe jaroor karna
follow us on:
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Views: 68135
Last moment tuitions

Presentation on BIometric Authentication
By Kepple and Weber

Views: 1928
Chase Weber

rail fence encryption and decryption depth 3
Hello everyone my name is SHYJU RAJU.
Welcome to my YouTube channel SR COMPUTER EDUCATION
This video will explain in detail how to do encryption and decryption using rail fence cipher when the depth is 3.
After watching this video student will be able to solve rail fence encryption and decryption examples easily and very quickly.
Rail fence encryption and decryption is easy encryption method and its easily breakable so this method of encryption is not used now .
If you like the video hit like button, Share this video with your facebook and whatsapp group.
Follow the facebook page
https://www.facebook.com/SR-Computer-Education-859020000933768/
If you are new to my channel subscribe to my channel and click on the bell icon so that you can be notified immediately when I upload any new video.
rail fence encryption and decryption depth 3
#railfence #encryption #decryption

Views: 5027
SR COMPUTER EDUCATION

Full Video Details: http://www.securitytube.net/video/79

Views: 23918
TheSecurityTube

Oracle CTO and Executive Chairman of the Board, Larry Ellison, discusses transparent data encryption and key management for the Oracle Public Cloud.

Views: 1271
Oracle Cloud

Full Video Details: http://www.securitytube.net/video/117

Views: 14940
TheSecurityTube

at the ORGANO GOLD 10th anniversary convention in Las Vegas by Joel Binn in August of 2018 - also get the presentation - https://www.linkedin.com/pulse/crypto-currency-basics-joel-binn/

Views: 288
Joel Binn

Zvika Brakerski, Weizmann Institute
The Mathematics of Modern Cryptography
http://simons.berkeley.edu/talks/wichs-brakerski-2015-07-06

Views: 12007
Simons Institute

Playfair cipher encryption
Playfair cipher decryption
Playfair cipher example in cryptography
Playfair cipher example in network security
Playfair cipher encryption and Playfair cipher decryption
Playfair cipher algorithm
Playfair cipher solved example
Playfair cipher solution
Playfair cipher whiteboard teaching
Playfair cipher details
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Description
This video will explain you in detail how Playfair cipher encryption and decryption technique works.
This video includes solved example for Playfair cipher encryption and decryption algorithm on whiteboard.
I had explained in detail about difficulties student might face while solving example related to Playfair cipher in their examination.
More videos about encryption algorithms, computer tips and tricks, ethical hacking are coming very soon so share this video with your friends.
See you all very soon in next video, have great days ahead.
Thanks for watching my video.
Subscribe to my youtube channel and click on bell icon so that you can know when I upload any new video.
#playfair #encryption #decryption

Views: 20543
SR COMPUTER EDUCATION

In this video , i discussed about GTU INS UNIT 2 second part AES Advanced Encryption Standard.
you Can find Unit PPT, Material , related Videos and syllabus on Below Google Drive LInk
https://drive.google.com/drive/folders/0B3F0L2_uTazMbDlrU0xLci1GVjg?usp=sharing
For any Query you can mail me on
[email protected]

Views: 775
ANKIT CHOUHAN