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October 18, 2008

Private

devadutta @ 8:23 pm, GMT +0000 ( 1224361413 ) Play

Unnecessarily complicated question.

1 and 4 pioneered this technique which was based on the work pioneered by 2 and used by 1 and 2 in a technique which used 3. The technique of 1 and 4 did not use 3 and just used (mod) and ^.

What technique did 1 and 4 pioneer and who is 2?

1.  2.

3. 4.

Yesterday’s question will be up longer since it was posted late.

Cracked by: username , Rc , shenoyvarun86 , duriel , Goyal , varuns88 , Ajay Parasuram , priyananda , vaibhav008 , Ananth and Kamal Rathi. Good job!

Answer:

Diffie-Hellman key exchance protocol which pioneered public key cryptography

2 is Ralph Merkle.

Checkout “username”‘s post for detailed linkage.


12 Responses to “Private”

  1. username
    3
    3
    1

    1. Martin Hellman
    http://en.wikipedia.org/wiki/Martin_Hellman

    2.Ralph Merkle
    pioneer of public key cryptography
    http://en.wikipedia.org/wiki/Ralph_Merkle

    3. Knapsack Problem
    http://en.wikipedia.org/wiki/Knapsack_problem
    knapsack problem has roots in subset-sum problem which led to use it in public key cryptography

    4.Whitfield Diffie
    http://en.wikipedia.org/wiki/Whitfield_Diffie

    1 and 4 => THE Diffie-Hellman, pioneer of key exchange technique to establish secure connction called Diffie-Hellman Key exchange


  2. Rc

    Public-key cryptography, Ralph C. Merkle


  3. 1)Martin HEllman
    2)Ralph Merkle
    4)Whitefield Diffie

    1 & 4 pioneered the diffie-Hellman key exchange a cryptographic protocol


  4. duriel
    1
    1
    2

    Martin Hellman
    Ralph Merkle
    Knapsack problem
    Whitfield Diffie

    Diffie-Hellman key exchange (public key crypto)


  5. Goyal
    3
    2
    1

    1. Hellman
    2. Ralph Merkle
    4. Bailey Whitfield \’Whit\’ Diffie

    Public Key Encryption


  6. varuns88
    4
    2
    2

    1.Martin Hellman
    2.Ralph Merkle
    3.Knapsack problem
    4.Whitfield Diffie

    2 pioneered Public key cryptography
    1 and 4:Diffie-Hellman key exchange


  7. Ajay Parasuram
    1
    2

    Public-key cryptography (Diffie-Hellman algo’s etc)

    Is 2., Leonard Adleman ?


  8. Ajay Parasuram
    1
    2

    On second thoughts (more elaborate googling), I’d like to change my answer to Diffie-Hellman key exchange. So, (2) has to be Ralph Merkel


  9. priyananda

    1. Martin Hellman
    2. Ralph Merkle
    3. Integer Knapsack Problem
    4. Whitfield Diffie

    Public Key Cryptography


  10. vaibhav008

    (1)Martin Hellman and (4)Whitfield Diffie introduced the Diffie-Hellman key exchange.

    (2) is Ralph Merkle


  11. Ananth
    4
    5
    9

    1 – Martin Hellman
    2 – Ralph Merkle
    4 – Whitfield Diffie

    Diffie Hellman key exchange protocol


  12. Public-key cryptography, Martin Hellman, Whitfield Diffe


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