Boiledbeans

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September 1, 2011

What, you too? Part 1

srikanth @ 11:59 pm, GMT +0000 ( 1314921553 ) Play

A was a Dutch cryptographer who created a set of 6 rules for a certain kind of system. The 2nd of his set of 6 remained famous and relevant and was named after him.

B was an American mathematician, cryptographer, electrical engineer and all-round genius who, almost 100 years after A, formulated a variant of the same principle. This was in turn, named after A although they both largely mean the same! B was, of course, an incredibly prolific genius whose work, many believe, created the field of information theory and his papers are considered the most important papers of the 20th century. (consequently, B has featured on Boiledbeans _many_ times. So this is not a dupe :P)

Another interesting (unrelated) coincidence around B  was with C. B proved a certain theorem in 1949 that is fundamental to the world of information theory. Unbeknownst to B, C – who was a Swedish-born American – had pretty much proved the same thing almost 20 years before. Funnily enough, almost half-a-dozen people independently proved this over time. But, by and large, the theorem is credit to both B and C.

Identify A, B and C for 1 point. No part points. Pseudo-bonus points for naming the set of 6 rules, the maxim, and the theorem :)

 

 

Cracked by: grey_matters , username , Goyal , Sumanth Patlolla , buk , jowens , byslexia , KK , Raghuvansh , Siddarth Pai , Rogi , Thejas V R , Dibyo , shrik , Shwetha Maiya , Aditya S , badideabear , anurag , Rahulk , Bharath , Wm , rickde , Martin , amarendra , raklodramA , Ananth , Manish Achuth and Anjul

Answer:
A – Auguste Kerckhoffs
B – Claude Shanon
C – Harry Nyquist

Points assigned by AutoRaja. Review by lazy humans pending.

29 Responses to “What, you too? Part 1”

  1. grey_matters

    A- Kerckhoff
    B- Claude E Shannon
    C- Warren Weaver


  2. username
    3
    3
    1

    A = Auguste Kerckhoffs
    B = Claude Shannon
    C = Harry Nyquist

    The system should be, if not theoretically unbreakable, unbreakable in practice.
    The design of a system should not require secrecy and compromise of the system should not inconvenience the correspondents (Kerckhoffs’ principle).
    The key should be memorable without notes and should be easily changeable
    The cryptograms should be transmittable by telegraph
    The apparatus or documents should be portable and operable by a single person
    The system should be easy, neither requiring knowledge of a long list of rules nor involving mental strain


  3. Goyal
    3
    2
    1

    A – Auguste Kerckhoffs
    B – Claude Shannon
    C – Harry Nyquist


  4. Sumanth Patlolla
    27
    8
    7

    A – Auguste Kerckhoffs
    B – Claude Elwood Shannon
    C – Harry Nyquist

    1) The system should be, if not theoretically unbreakable, unbreakable in practice.
    2) The design of a system should not require secrecy and compromise of the system should not inconvenience the correspondents (Kerckhoffs’ principle).
    3) The key should be memorable without notes and should be easily changeable
    4) The cryptograms should be transmittable by telegraph
    5) The apparatus or documents should be portable and operable by a single person
    6) The system should be easy, neither requiring knowledge of a long list of rules nor involving mental strain

    Kerckhoffs’ principle was reformulated by Claude Shannon as “The enemy knows the system.”

    Theorem : “A Mathematical Theory of Communication”


  5. buk
    2

    A – Auguste Kerckhoffs
    B – Claude Shannon
    C – Harry Nyquist

    6 principles of designing ciphers
    “the enemy knows the system”
    the sampling theorem


  6. jowens
    13
    2

    A: Auguste Kerckhoffs
    B: Claude Shannon
    C: Harry Nyquist
    “six principles of practical cipher design”
    “Kerckhoffs’ principle”
    “Nyquist–Shannon sampling theorem”


  7. byslexia

    A. Auguste Kerckhoff
    B. Claude Shannon
    C. Harry Nyquist


  8. KK
    1
    4
    5

    A-Auguste Kerckhoffs
    B-Claude Shannon
    C-Harry Nyquist


  9. Raghuvansh
    1
    9
    4

    A: Auguste Kerckhoffs, B: Claude Shannon, C: Harry Nyquist


  10. A: Auguste Kerckhoff & Kerckhoff’s Principle
    B: CLaude Shannon
    C: Harry Nyquist

    Nyquist–Shannon sampling theorem


  11. Rogi
    48
    10
    5

    A-Auguste Kerckhoffs
    B-Claude Shannon
    C-Harry Nyquist


  12. A – Auguste Kerckhoffs
    B – Claude Shannon
    C – Harry Nyquist

    Now, for the pseudo bonus points,
    Kerckhoffs’ principles
    Shannon’s maxim
    Nyquist-Shannon Sampling theorem


  13. Dibyo
    11
    14
    10

    a: auguste kerchoff
    b: claude shannon
    c: norbert weiner


  14. shrik
    10
    7
    9

    A. Auguste Kerckhoffs
    B. Claude Shannon
    C. Harry Nyquist

    Kerckhoff’s principle, Shannon’s maxim and the Nyquist-Shannon sampling theorem.


  15. Shwetha Maiya
    1
    1

    A – Auguste Kerckhoffs
    B – Claude Shannon
    C – Harry Nyquist


  16. Aditya S

    A – Auguste Kerckhoffs
    B – Claude Shannon
    C – Harry Nyquist


  17. badideabear
    5
    1
    1

    A is Auguste Kerckhoffs
    B is Claude Shannon
    C is Harry Nyquist

    Six rules are: The system should be, if not theoretically unbreakable, unbreakable in practice.
    The design of a system should not require secrecy and compromise of the system should not inconvenience the correspondents (Kerckhoffs’ principle).
    The key should be memorable without notes and should be easily changeable
    The cryptograms should be transmittable by telegraph
    The apparatus or documents should be portable and operable by a single person
    The system should be easy, neither requiring knowledge of a long list of rules nor involving mental strain

    Maxim: The enemy knows the system.

    Theorem: Nyquist Shannon sampling theorem


  18. anurag

    A=Auguste Kerckhoffs
    B=Claude Shannon
    C=Harry Nyquist

    Set of 6 Rules:Kerckhoffs’ 6 principles of practical cipher design
    Maxim: Shannon’s Maxim
    Theorem: Nyquist–Shannon sampling theorem


  19. Rahulk
    2
    5

    A : Auguste Kerckhoffs

    B : Claude Shannon

    C : Harry Nyquist

    Set of 6 rules : Kerckhoffs’s Principle

    Maxim : Shannon’s maxim

    Theorem : Nyquist–Shannon sampling theorem


  20. Rahulk
    2
    5

    since it was also discovered independently by E. T. Whittaker, by Vladimir Kotelnikov, and by others, it is also known as Nyquist–Shannon–Kotelnikov, Whittaker–Shannon–Kotelnikov, Whittaker–Nyquist–Kotelnikov–Shannon, WKS, etc., sampling theorem, as well as the Cardinal Theorem of Interpolation Theory.


  21. Bharath
    4
    2
    4

    A-Auguste Kerckhoffs
    B-Claude Shannon
    C-Harry Nyquist


  22. Wm

    Thanks for using the time and effort to write something so interesting.

    My site:
    le credit Rachat de credit


  23. rickde
    4
    3
    3

    A- auguste kerckhoff
    B- Claude Shannon
    C- Harry Nyquist

    Millitary Cryptography
    Shannon’s maxim
    Nyquist–Shannon sampling theorem


  24. A) Auguste Kerckhoffs

    B) Claude Shannon

    C) Harry Nyquist

    Kerchoffs principle which states that “The enemy knows the system.”


  25. amarendra

    Auguste Kerckhoffs was A.
    Claude Shannon was B.
    Nyquist was C.


  26. A- Auguste Kerckhoffs
    B- Claude Shannon
    C- Harry Nyquist


  27. Ananth
    4
    5
    9

    A: Auguste Kerckhoffs
    B: Claude Shannon
    C: Harry Nyquist


  28. Manish Achuth
    16
    9
    8

    A – Auguste Kerckhoffs
    B – Claude Shanon
    C – Harry Nyquist

    Name of the rule – Kerckhoffs Principle


  29. Anjul
    2
    1
    1

    A: Auguste Kerckhoffs
    B: Claude Shannon
    C: Harry Nyquist


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