#28. RSA Algorithm - Asymmetric key cryptography |CNS|

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  • Опубліковано 4 жов 2024
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КОМЕНТАРІ • 185

  • @varshar7483
    @varshar7483 2 роки тому +46

    Thanks a lottttttttt 🙏🙏 You have taught so much in exam point of view ,, I have learned everything from you and wrote the exam thanks a lottttttttt

  • @sathish9042
    @sathish9042 Рік тому +22

    Your explanations are better than guides and notes .Thank you so much mam.

  • @kunalsoni7681
    @kunalsoni7681 11 місяців тому +9

    your notes are very clear and easy to understand. And the way you teach is fabulous ☺️💯💫

  • @diwakar2501
    @diwakar2501 Рік тому +27

    4:38 ed/mod pie(n)=1 this is how it should be right

    • @RahulLour
      @RahulLour Рік тому +2

      we know that 1 mod(n) = 1/1 mod(n) OR 1 mod(n)=(1 mod(n))^-1 == 1 , thus ed= 1 mod pi(n) OR ed = 1/1 mod pi(n) , as a result ed mod pi(n) = 1

    • @ananthan7355
      @ananthan7355 Рік тому +3

      bro just consider e^-1(fi(n)) as an entity and move it to the other side , that was a mistake from the video

  • @rishidiwute3604
    @rishidiwute3604 Рік тому +5

    kudos ! wrapped under some minutes ! also M is not number of digits Its is decimal representation of string message. (Cryptography and NS by w stalling)

  • @adityaky5427
    @adityaky5427 Рік тому +64

    How you taken Ed=1modΦ(n) as Ed modΦ(n)=1

    • @raomubashir3976
      @raomubashir3976 9 місяців тому +2

      how?

    • @VijayKumar-hn2hx
      @VijayKumar-hn2hx 9 місяців тому +9

      @@raomubashir3976 actually the formula is edmod(n)=1,she took wrong in video

    • @raomubashir3976
      @raomubashir3976 9 місяців тому +9

      @@VijayKumar-hn2hx right but now it's too late to talk about this , cuz i gave its paper yesterday 😅

    • @VijayKumar-hn2hx
      @VijayKumar-hn2hx 9 місяців тому +1

      @@raomubashir3976 🤣ok

    • @amigosters6381
      @amigosters6381 8 місяців тому

      Ed=1modn means edmodn=1
      That is ed divides by n then get remainder is one

  • @roshithborra4713
    @roshithborra4713 4 місяці тому +2

    very nice explanation and it's very easy to understand for only single time.......

  • @spkumar.17
    @spkumar.17 2 роки тому +8

    Its osm😁😁😁
    Thanks for helping 🙂🙂

  • @surajr4757
    @surajr4757 Рік тому +5

    1:50, those two numbers must be prime numbers

  • @AjayYadav-dv2vs
    @AjayYadav-dv2vs 2 роки тому +7

    That is awesome series of Cryptography thank you

  • @ayushiumbarkar3068
    @ayushiumbarkar3068 Рік тому +4

    Your way of explaining is too good
    Thanks a lot

  • @vajidkhan1131
    @vajidkhan1131 6 місяців тому +1

    Time complexity and space complexity of RSA algorithm, where this algorithm is used

  • @maazaslam7455
    @maazaslam7455 2 місяці тому

    The calculation for 'd' doesen't work if we have large values for n, and phi of n, As it just becomes a Brute Forcing by counting each mod upto idk a thousand before until we get the correct value of 'n' Thats basically what my instructor replied with

  • @akhil__1998
    @akhil__1998 2 роки тому +11

    ed=mod pie(n)
    edmod pie(n)=1
    ?

  • @eduatm5222
    @eduatm5222 Рік тому +1

    Madam, thanks a lot for ur kind clear explanation.....AthmaRam

  • @devangmathur5809
    @devangmathur5809 2 роки тому +2

    We have to take 2 prime numbers in the starting.

  • @mohammadamanalimyzada1462
    @mohammadamanalimyzada1462 2 роки тому +2

    p and q are large primes for better security

  • @tanvipandya3353
    @tanvipandya3353 Рік тому +6

    Ma'am, lectures are so nice. Please guide how can I get these notes?

  • @gauravsharma5584
    @gauravsharma5584 9 місяців тому

    Best video i watched so far for this topic. Thank you

  • @sherlyj282
    @sherlyj282 Рік тому +4

    Excellently teaching mam and like ur flow of speaking and understood very well mam thank you very much

  • @placementpreparationformnc2408
    @placementpreparationformnc2408 2 роки тому +4

    Love you for your explanation ❤️😇😘

  • @novicecoder5753
    @novicecoder5753 2 роки тому +2

    Explanation is good but there is no theory about the concept in video please include it in future videos

  • @jesuschrist77501
    @jesuschrist77501 5 місяців тому

    Thank you...well defined class lecture with simple communication

  • @ram-dg2or
    @ram-dg2or Рік тому +1

    Thanks for your explanation
    Could you please explain how to implement it practically

  • @aswinmanmathans6837
    @aswinmanmathans6837 5 місяців тому +2

    P and Q should be prime ..pin

  • @Bajrang9033
    @Bajrang9033 2 роки тому +1

    Tank you mam for your good explanation

  • @mohammedfouzan4798
    @mohammedfouzan4798 Рік тому +2

    Your explanation of algorithm is good!. But, the question every learner should ask is how is decryption key sent over the internet to the receiver so that he can decrypt and read the message ? All i say is just don't blindly understand the algorithm without knowing the use of it.

  • @yashpatil3006
    @yashpatil3006 Рік тому +5

    Thankyou so much ma'am. All my doubts are getting cleared a day before exam :)

  • @KarthiKeyan-rf6bc
    @KarthiKeyan-rf6bc 6 місяців тому

    You are taking so clear

  • @zeeshanhaider3953
    @zeeshanhaider3953 Рік тому +1

    Tanks a lot ma'am
    U clear all my doubts 🥰🥰

  • @jashu2426
    @jashu2426 9 місяців тому

    Your explanation way is very good to understand 🎉

  • @vikaskadimani2158
    @vikaskadimani2158 8 місяців тому

    hlo mam u have explained the things so easily and it was very helpfull to me mam and so for that thank you mam.

  • @_AkeelAhmad_wani
    @_AkeelAhmad_wani Рік тому

    ohh maam what a cool way of explaining

  • @keshavgupta2647
    @keshavgupta2647 2 роки тому +5

    how do we assume m in this case?
    by hit and trial?
    won't it take a lot of time and calculations?

    • @yashkalia2311
      @yashkalia2311 10 місяців тому

      Any value works which satisfies the condition

  • @VENOM-yt3ft
    @VENOM-yt3ft Рік тому +1

    Add Chinese remainder theorem in the cns playlists

  • @shubhampatel3494
    @shubhampatel3494 2 роки тому +2

    how did she get c=4

  • @ANILKUMAR-yw7zw
    @ANILKUMAR-yw7zw Рік тому

    Wow so easily u explained 👏👏👍

  • @Ajayrathnam_P
    @Ajayrathnam_P 8 місяців тому

    We have tomorrow exam
    I watched all your algorithm video
    But for me it’s hard to remember which steps will come for which algorithm
    RSA and Elgamal have same 3 steps
    So it’s just collapsing
    Can you upload a one last video
    How to memorise and keep in mind for FOR THESE ALGORITHM

    • @Ajayrathnam_P
      @Ajayrathnam_P 8 місяців тому

      Upload soon mam waiting for your VIDEO

  • @HarshaSN
    @HarshaSN 9 місяців тому

    Thank you it's very clear

  • @bhavyakasa8231
    @bhavyakasa8231 Рік тому +1

    Tquuu mam

  • @janardhanreddyboyalla2941
    @janardhanreddyboyalla2941 2 роки тому +2

    why edmod(fi(n))=1?

  • @Krishna-z1g5r
    @Krishna-z1g5r 6 місяців тому

    Superb Explaination 🔥🔥🔥

  • @riddhishukla5465
    @riddhishukla5465 2 роки тому +1

    don't understand at the time 4:25 .. plz tell me in deep

  • @MRPTrader7
    @MRPTrader7 2 місяці тому

    Thanks a lot

  • @nirmalabigimalla3
    @nirmalabigimalla3 8 місяців тому

    mam as you said in previous videos block cipher is symetric but here you said RSA is block cipher so it must be symetric but why RSA is asymetric

  • @archanak.h9111
    @archanak.h9111 4 місяці тому

    Tq so much mam

  • @kistareddy5361
    @kistareddy5361 2 роки тому +1

    thanks a lot mam

  • @youtuber9571
    @youtuber9571 Рік тому +2

    Can you please explain elliptic curve cryptography

  • @ashwinunnikrishnan6689
    @ashwinunnikrishnan6689 3 місяці тому

    great video

  • @syamalas9199
    @syamalas9199 2 роки тому

    Thaks a lot sister u helped me a lot for exam .
    Tqsm ❤️u

  • @AbhinandBhavan
    @AbhinandBhavan 2 роки тому +5

    Should p and q be prime or co prime or not?

  • @tadelasanthoshi9037
    @tadelasanthoshi9037 2 роки тому

    If we take any values of the M value the answer will be same ....... If not same the answer will be wrong....

  • @CS_Student_raj
    @CS_Student_raj Рік тому

    I think all are using same example only
    What is trick for taking e value medam

  • @lakshmanikkurthi567
    @lakshmanikkurthi567 Рік тому

    Simple and easy ❤

  • @VISHALSINGH-ur6rl
    @VISHALSINGH-ur6rl 2 роки тому

    Thanks a lot
    your way of explaining is too good
    Thanks a lot

  • @burugukrishnamurthy4832
    @burugukrishnamurthy4832 Рік тому

    Hi madam. I have watched yours FLAT subject videos. I have passed that subject.

  • @kittuthegreat1819
    @kittuthegreat1819 6 місяців тому

    can you tell me what are the key distribution approaches for method authentication in cyber security ? i have exam.. is it the same you are explaining ? symmetric and asymmetric any other approches?

  • @premsagarvangara759
    @premsagarvangara759 Рік тому

    Thank you ma'am 👍

  • @rapture_05_14
    @rapture_05_14 6 місяців тому

    Nice explanation

  • @sruthim2542
    @sruthim2542 2 роки тому +1

    What is gcd here?

  • @bibekdevkota2281
    @bibekdevkota2281 9 місяців тому

    thank you so much sister

  • @siddhu8558
    @siddhu8558 Рік тому +2

    4:24 how did mod⌀(n) come to LHS?

  • @onestepawarenesshummanity6360
    @onestepawarenesshummanity6360 Рік тому +2

    How to calculate 31 power 7mod 33 c=4 ?please suggest me

  • @ADITYA_1303
    @ADITYA_1303 5 місяців тому

    Thank you 🙏

  • @saimanikantaragi614
    @saimanikantaragi614 2 роки тому +1

    Plz complete the playlist soon

  • @prathamgupta6973
    @prathamgupta6973 Рік тому

    It is large prime numbers in the beginning of the video.

  • @vikram0411
    @vikram0411 Рік тому

    thanks for helping us sis...it's very useful for us..

  • @prajwalbhasme5317
    @prajwalbhasme5317 Рік тому +1

    How to calculate GCD?

  • @anupriya5861
    @anupriya5861 2 місяці тому

    How do we calculate 31 power 7 mod 33? Plz help me

  • @abhijitnayak.8733
    @abhijitnayak.8733 2 роки тому +1

    Very much useful. 🥲

  • @travelingnomad8873
    @travelingnomad8873 11 місяців тому

    how to do MITM in cryptool ???.. please make video on it!!.?

  • @shashi_speaks
    @shashi_speaks Рік тому

    u need to explain how to do calculator, like us we don't know how to do in calculator

  • @ashutoshpathak1387
    @ashutoshpathak1387 2 роки тому +2

    GCD of 2 numbers = 1 means they are co-prime. GCD OF 20 AND 6 is not 1. Greatest common divider of 20 and 6 is 2. .... you said we can use 6, coz 6 is not a factor of 20. You are confusing factor with GCD. LOL 3:40 "YOU CANNOT TAKE 4 correct, coz gcd of 4 and 20 is 4, you cannot take 5 correct coz gcd of 5 and 20 is 5, you can take 6 LMAO, NO YOU CAN'T TAKE 6, coz although GCD OF 6 AND 20 IS NOT 6 (like 4 and 5 prev), it still is 2, AND 2 IS NOT EQUAL TO 1.

  • @rithikasunkara9074
    @rithikasunkara9074 Рік тому

    Is that prime large number or only large number youu have not given clarity mam can u tell

  • @akshayhegde6886
    @akshayhegde6886 Рік тому

    thank u mam,that's so helpfull

  • @tsreenutsreenu1543
    @tsreenutsreenu1543 Рік тому +1

    Your explanation is super mam🫂🫂🫂

  • @rohityt9714
    @rohityt9714 9 місяців тому

    actually d is congurent not equal

  • @sowjanyachapala3971
    @sowjanyachapala3971 Рік тому

    Can u please share the vedio of fermats & Euler's theorem in CNS by tomorrow

  • @akashmaurya5342
    @akashmaurya5342 Рік тому

    agar yeh que 29 ka aata h or isme encryption or decryption galat ho baaki D tak shi to kitne number milege?

  • @abrarbardolia169
    @abrarbardolia169 2 роки тому

    Thanks you ma'am

  • @subathra7701
    @subathra7701 Рік тому

    If we take e=3 it doesn't give correct answer

  • @sadiq234
    @sadiq234 Рік тому

    Thank you mam❤

  • @danielpauljcs
    @danielpauljcs 2 роки тому

    Tq so much yar👍😀

  • @romeogurung1556
    @romeogurung1556 2 роки тому

    encrypt the word "retaliate" and then decrypt it madam

  • @sireeshaBirusu
    @sireeshaBirusu 9 місяців тому

    full stack development jntua syllabus wise vedios share cheyandi మమ,

  • @MUTHURAJPECETEC
    @MUTHURAJPECETEC 2 роки тому

    Thank you mam

  • @divyaanshuagrawal3383
    @divyaanshuagrawal3383 Рік тому

    Thanks mam!

  • @harivardhanv278
    @harivardhanv278 2 роки тому +1

    whether it is prime or not explain??

  • @yyndsai
    @yyndsai 2 роки тому

    you told that you wll say they are prime or not at the end of the video, but you didn't said??

  • @Aman8957
    @Aman8957 Рік тому

    Thanks

  • @Raistar_172
    @Raistar_172 Рік тому

    Can we choose m=2 ,In encryption ?

  • @Noobgamer-jd1sb
    @Noobgamer-jd1sb 10 місяців тому

    Please note. Private key in RSA is only d not d, n

  • @Vk_status1
    @Vk_status1 2 роки тому

    Nice mam but I have some doubts

  • @darsanan4017
    @darsanan4017 Рік тому

    Nizz ✨️

  • @varshavarsha1466
    @varshavarsha1466 Рік тому

    thank you soooooooo much......

  • @KQACSaleem
    @KQACSaleem Рік тому

    Tq mam 🎉

  • @harshavarthan3084
    @harshavarthan3084 9 місяців тому

    It is not a block cypher algorithm

  • @simple1-st7pc
    @simple1-st7pc Рік тому

    TQ 😁

  • @aishwaryamahesh4308
    @aishwaryamahesh4308 Рік тому

    can you make a video how to slove large power number in scienctific calculator like 234^2345

    • @core_cse
      @core_cse 10 місяців тому +1

      i think it is not possible to solve using scientific calculator

  • @NaveenReddy-zk7of
    @NaveenReddy-zk7of 10 місяців тому

    Who will say what is GCd means ?