Hill Cipher Encryption 3×3 matrix
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- čas přidán 3. 08. 2017
- Hill Cipher Encryption 3×3 matrix
Hello everyone my name is SHYJU RAJU.
Welcome to my CZcams channel SR COMPUTER EDUCATION
This video will explain in detail how to do encryption using hill cipher for 3×3 matrix.
In this video I had also show how to do modular operation and find the result of modulus operation very easily and quickly.
After watching this video student will be able to solve hill cipher encryption of 33 matrix very easily in examination.
In this video I had also given link for the other video in which I had shown how to find result of modular operation very easily and very quickly using calculator.
This video show the shortcut method to find modular operation result within seconds.
Hill cipher encryption 3×3 matrix is very important and mostly commonly asked question in examination.
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Hill Cipher Encryption 3×3 matrix
#hillcipher #encryption #decryption
I was able to understand by just skipping to your final result. Very neat and good work. Thank you for sharing!
Tmone of the most simplest & clearest explanation or hill cipher...
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I have an exam tomorrow and I didn't know how to solve this, but now I do. THANK YOUUU X10000, CHEERS FROM SAUDI
Thanks for your words of appreciation
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How was your exam, Kuanli?
Thanks brothers
I'm on an exam, really helpful greetings from Indonesia😁👍
Happy to help! Share my videos as much as possible so that I can reach more number of students and help them to score better in their exams, Best of Luck for your exams
Congrats on the Job! Very clear explanation!
Felipe Machado I am Happy to know that my CZcams channel is helping you, I really appreciate your kind words which motivate me to upload more and more such useful video on my channel, I request you to share my CZcams channel and this video with everyone you know so that I can reach as many students as I can and help them to score better in their exams.
Just Perfect Sir :) Love from Bangladesh
Shariful Sujon Thanks a lot for your kind words.Subscribe and Share my channel with your classmates , friends and everyone you know so that I can reach maximum number of students and help them to score better in their exams. Thanks
thankyou sir here in northeast its hard to find a good teacher like u. i wish u will able to help me for my exams too.
Sumit Debbarma Thanks a lot for such kind words of appreciation, It will motivate me to make more such videos in upcoming days. I am sure my videos will help you to learn topics in easy way.
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Thank you soo much. Explanation is so clear
Shamsul Arefin Sajib I am Happy to know that my CZcams channel is helping you, I really appreciate your kind words which motivate me to upload more and more such useful video on my channel, I request you to share my CZcams channel and this video with everyone you know so that I can reach as many students as I can and help them to score better in their exams.
super
Thangavel Shanmugam Subscribe and Share my CZcams Channel with everyone you know so that I can reach as many students as I can and help them to score better in their exams.
OMPANDIT CE-5(C)
P-CAT
K-FIN
Thank you sir!
U solved both 2*2 and 3*3. U have cleared every parts of hill cipher, particularly the inverse and adjoint videos.Excellent..Awesome. Mr. Shyju. I insisted my 100+ students to subscribe ur channel. Let ur great job to be continued.
Sir I am very glad to know that my channel is helpful to you and your students, I am sure my channel will be very helpful to your students because soon i am going to upload more and more video, tell them to subscribe and hit on bell icon so that they can get notified whenever i upload new videos. Stay connected. Thanks
sohini patel
p=cat
c=fin
What if the plain text is of 4 characters in this case when key is 3x3?
Farzam Anjum good question, for example "shyj" is your plaintext then you have to make 2 groups such as "shy" and "jxx" then solve this example as per my method which is shown in this video, I will be happy to solve if you have any doubt, I want my channel to known to every students , please share my channel with everyone you know so that they can also learn everything freely from my CZcams channel. Like my video if you thing you gained some knowledge from my videos.
Sure awesome thank you!
One more question: What if the key is not given, do we have a choice to consider key of 2x2 or maybe 3x3 matrix of our own choice?
And when we select a 2x2 matrix we'll be bound to make chunks of 2, right?
Thanks!
Key will be given in exam, and if its not given then there should be clearly mentioned in the question that whether you have to take 3by3 or 2by2 matrix, Yes you are absolutely right , you have to make chunks accordingly, if 2by2 matrix is given then always make group of two letters together, I hope you got some knowledge from my videos, and I am sure you might have also subscribed to my channel, also make sure that your friends also subscribe to my channel so that they can also know and learn from my channel SR COMPUTER EDUCATION. Thanks
sir i tried with my own plain text P=CAN and answer is C=ZAB
Hailly ved
CE:5B
Ekta sanura
C= FIN
plz explain eucliden algorithm and claculate gcd
Namrata Mukta yes i will try to upload in upcoming days, meanwhile watch other videos of encryption techniques and let me know if you have any doubts, keep learning
Patel Jeel
1 ) P = KDP , C = ZKC
Meet
cat=fin
Thakor Anandiben Rameshji
P=CAT
C=fin
p =pen encryption:ipw
p- cat
c- fin
anjana
where the video for get mod using calculator?
Its separate video, check my other videos title you will easily get it
@@SRCOMPUTEREDUCATION ok thank you
Jansari srushti pravinkumar
1. P= SKY | C = WCO
2. P= PEN | C = EWO
3. P= WINTER | C = NNXPXS
4. P= SUMMER | C = ECSTFR
5. P= ATT | C = PNO
Encryption = FIN
P = CAT
C = FIN
I have a question
The formula is C=(P.K)mod26
That means we should multiply P by K Not the opposite
Cause in Matrix we don't follow the permutations law !!!
for P = retreatnow
key = backup
unable to place it in matrix
Hello Muhammad Ahmed Naseem In Hill cipher key should be in matrix form
Is video ko Hindi main banaye plz sir
Ravi Arora me try krunga age ane wale dino me, wese ekdm asan english hi he video me.
P=WINTER C=NNXPXS
How does 69 mod 26 becomes 15?69 ÷ 26 ≈ 2.653846
2 × 26 = 52
69 - 52 = 17
Thakor Nikita Ben Rameshji
1.p=Sky | C=WCO
2.P=Pen | C=EWO
3.P=winter | C=NNXPXS
4.P=summer | C=ECSTER
5.P=ATT | C=PNO
Hello sir, why we have taken 3*1 for plain text why not 1*3 matrix
In stalling book they have taken 1*3 matrix for plain text
Xan you plz tell me why?
Plz reply sir
I have also followed same method as given in william stalling book.
SR COMPUTER EDUCATION in above example we have taken [0
2
19]
Like this. Here we taken just 1 column and then multiplied
But if we take the plain text as
[0 2 19] as in just one row and then we multiplied the answer will be changed
That is what my question is
As the plain text is taken in 1 column and 3 rows after multiplication we get [67
222
319]
But if i take the plain text in single row and then multiplied i got the ans is [406 355 305]
You can follow my method , its correct
SR COMPUTER EDUCATION ohh thank you for clearing my doubt because after 1 week i have the exam so thats why i have asked this question.
Best of luck for your exams , I am sure after watching all videos of my channel you will score good marks in Information Security subject,Are you doing Degree Engineering , which college?
How to solve if the key is 2*2 matrix and word is "howareyou" using hill cipher?
Bhuwan Chhetri You can very easily solve this after watching my video of Hill cipher 2*2 encryption, if you have any doubt after watching the video let me know, I will solve all your doubts , Subscribe to my channel so that you can get such useful videos whenever I upload any new video, Click on bell icon to get notification of my new video. Thanks
I need to make 2*2 matrix but there's 9 number so it does not make 2*2 so can I add any number to make 10? just confused on that, how can it be break down to work on matrix
Bhuwan Chhetri have you watched my video on Hill cipher 2*2 encryption , If you have watched and still you have doubt then let me know I would be happy solve your doubts, I had already answered your Question in that Video
Dhrumil Bhatiya
1) P=WINTER C=NNXPXS
2) P=SUMMER C=EBSTFR
PATEL AKSHESH
P: WINTER. C: NNXPXS
P: SKY. C: WCO
P: ATT. C: PNO
Nice..
Easy Engineering Concepts Subscribe and Share my channel , I want to help as many students as I can so I request you to share my CZcams channel as much as possible with your friends , classmates and everyone you know so that I can help them to score better in their exams.
Sir your video is useful to build this concept 👍
If you are new to my channel then subscribe to my channel and also click on the bell icon so that you can notified whenever I upload any new video . Share this video as much as possible so that every student in your class or all your friends can know about how to do encryption using Hill cipher , I want my youtube channel to reach every student so that they can score good marks in their exam, Share this CZcams channel link in your whatsapp and facebook group so that everyone can know about my channel .
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thankyou sir
atkuri ajay kumar You are WELCOME. Subscribe and Share my channel , I want to help as many students as I can so I request you to share my CZcams channel as much as possible with your friends , classmates and everyone you know so that I can help them to score better in their exams.
GOOD JOB SIR .... loving it
for P=CAT is
C=FIN
good , solve some other examples also, if you have any doubt then let me know I will solve it
sure sir
hello sir, your channel is really helpful for me to learn network security and i am regularly following it. I have just one doubt that you have done (Key X plaintext). so, is it possible to do with (plaintext x key) too.? because i have see many references that show both the method together.
maniar dhruvin I am happy to know that my videos are helping you, To support my channel Share my CZcams channel with everyone you know and watch all videos completely, so that they can also get benefit of videos. For your question , yes I know that some books has used K*P but according William Stalling book (most used reference book in the world) , actually you cannot write P*K because , here ,matrix multiplication is used and in matrix, P*K is not equal to K*P . If you have any doubt then I will be happy to solve your doubts
thank you so much, sir.
Shubham:-
p=cat
C=fin
P=cat
C=fin
Panchal Parth
The encryption of cat is fin
Encryption of cat=fin
Whether we have to choose P ... If p is not given in the question?
Or make a video for how to choose p
P means plaintext , yes you have to choose P if not given in question, there are no rules to select P , you can take your own Plaintext (P)
Class A (007)
P = CAT
K = [{6 24 1}, {13 16 10}, {20 17 15}]
C = FIN
Thank you Sir!
Cat=fin
SR COMPUTER EDUCATION what if we get multiplied value less than 26 ??
Give example for your doubt, I am not exactly getting your question.Subscribe and Share my channel with your classmates , friends and everyone you know so that I can reach maximum number of students and help them to score better in their exams. Thanks
Add 26
Plain-text=CAT
Key. =FIN
Encryption of CAT = FIN
P = CAT
C= FIN
P=CAT
C=FIN
How can we solve for 4*4 matrix?
mani garg , In exams usually 4*4 matrix example is never asked because it is out of the scope of syllabus, I hope you had already subscribed to my channel and clicked on bell icon so that you can get notified whenever I upload any new video, If you think my channel is helping you then please share my channel with your classmates and everyone you know so that I can reach maximum number of students.
SR COMPUTER EDUCATION.. I got a question of 4*4 matrix as an assignment.. Test... "CODEISFINAL" and key is 4*4 matrix. Kindly help
just follow all steps of my 3*3 matrix, then do same steps for 4*4 matrix, usually its never asked in exam because 4*4 matrix will consume lot of your time
What about the decryption part???????
Its already uploaded , search hill cipher decryption by SR COMPUTER EDUCATION in google, you will easily find my video, if you have any doubt I would be happy to solve your doubts. Subscribe and Sharw my channel with everyone you know.
If P=RAT thn what's the answer K is same
Eman Aziz Value of K does not depend on Plain text value (P) , either you have to select K or value of K is already given in exams. Subscribe and Share my channel , I want to help as many students as I can so I request you to share my CZcams channel as much as possible with your friends , classmates and everyone you know so that I can help them to score better in their exams.
The correct way to find Mod is
For example if we've a number 67 then 67÷26 it will be equal to 2.57 then 'subtract' the number before the decimal point u'll get 0.57 and then by multiplying it with 26 you'll get 14.99 which after round off become 15 .
Otherwise if you just simply divide 67 by 26 you'll get 2.57.
yes Rimsha you are correct, watch my video "find mod using calculator" you will get to know shortcut method to find mod using calculator . I want to help as many students I can so I request you to share my CZcams channel with everyone you know so that I can reach maximum number of students. Subscribe to my channel and also click on bell icon so that you can get notified whenever i upload new video.Thanks see you soon in next video.
2.57 is the quotient and modulo gives the remainder. 67/26 gives remainder 15 which is the answer to 67mod26