Boiledbeans

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    • September 27, 2008

    Credit where it’s due

    — srikanth @ 7:42 pm, GMT +0000 ( 1222544528 ) Play

    Identify everyone and connect with fundae.

    (Yes, I’m using this image yet again. I think Dev is planning on maintaining a stats page on this photo alone :-))

    (Edit: Fixed images. *sigh*, looks like i mixed them up again.)

    Cracked by akhi , joe , nihit , Dibyo , udupendra , Achilles , mandakhawke and Goyal.

    Answer:

    1. Cliff Cocks, came up with RSA before R-S and A themselves did
    2. Malcolm J Williamson, came up with the Diffie-Hellman key exchange technique before Diffie, Merkle and Hellman

    Cocks and Williamson were both part of GCHQ, who kept their algorithms secret to give them an edge in the war (or some other such pointless reason). RSA and Diffie-Hellman came up with the same things independently, and made a packet.

    Cocks and Williamson were also contemporaries in education. Check Goyal’s answer for that info.

    11 Responses to “Credit where it’s due”

    1. akhi Says:
      September 28th, 2008 at 12:11 am, GMT +0000 ( 1222560671 )

      Malcom Williamson,RSA

      Cliff Cocks,
      Bailey Diffie,Martin Hellman,Ralph Merkle(the second trio)

      Connect->Public Key Cryptography and atleast few of them worked at GCHQ :D

      		akhi

    2. joe Says:
      September 28th, 2008 at 12:46 am, GMT +0000 ( 1222562818 )

      Malcolm Williamson who came up with the Diffe Hellman key exchange before they (along with merkle pictured in last pic) did. 1st pic in second set is Clifford Cocks who invented RSA before RSA did.


    3. nihit Says:
      September 28th, 2008 at 2:38 am, GMT +0000 ( 1222569497 )

      1. Malcolm Williamson and Rivest, Shamir, Adleman
      2. Clifford Cocks and Diffie, Hellman, Merkle

      I am going to assume the order is slightly mixed up…

      Clifford Cocks described a system equivalent to RSA, but it was not revealed until 1997 due to its top-secret classification.

      Malcolm Williamson separately invented a key exchange mechanism similar to Diffie-Hellman-Merkle key exchange, but did not get credit due to top-secret classification.

      		nihit

    4. Dibyo Says:
      September 28th, 2008 at 7:03 am, GMT +0000 ( 1222585412 )

      All the different people who invented cryptographic protocols which RSA and Diffie-Hellman eventually took credit for – Clifford Cocks and Martin Williamson.

      I have a feeling that you’ve mixed up the pictures of Cocks and Williamson.

      		Dibyo

    5. udupendra Says:
      September 28th, 2008 at 10:16 am, GMT +0000 ( 1222596978 )

      Cliffor Cocks – RSA
      Malcolm Williamson – Diffie-Hellman Key Exchange

      And you’ve got your photos messed up again :)

      		udupendra

    6. Achilles Says:
      September 28th, 2008 at 11:40 am, GMT +0000 ( 1222602046 )

      1.Clifford Cocks,at GCHQ invented the RSA algorithm
      three years before it was independently developed by Adi Shamir,Ron Rivest and Leonard Adleman at MIT.But Cocks work didnt get the recognition as it was not published in public at that time.
      2.Similarly,Malcolm Williamson found the Diffie-Hellman key exchange at GCHQ but was kept classified before Whitfield Diffie and Martin Hellman and Ralph Merkle published the same in 1976.


    7. mandakhawke Says:
      September 28th, 2008 at 4:49 pm, GMT +0000 ( 1222620558 )

      1) Clifford Cocks , RSA guys

      Even before Rivest, Shamir and Adleman came up with RSA Clifford Cocks discovered it at GCHQ , but was kept secret.

      2)Malcolm J. Williamson, Merkle, Hellman,Diffie

      Even before Merkle, Hellman,Diffie came up with RSA Malcolm J. Williamson formulated it at GCHQ , but was kept secret.


    8. Goyal Says:
      September 28th, 2008 at 10:34 pm, GMT +0000 ( 1222641298 )

      1. Clifford Cocks and RSA
      2. Diffie-Hellman-Merkle and Malcolm J. Williamson

      Connect – GCHQ – Both C.Cocks and Williamson


    9. Goyal Says:
      September 28th, 2008 at 10:39 pm, GMT +0000 ( 1222641595 )

      More emerges between Clifford & Williamson.

      In 1968, Cocks won Silver at the International Mathematical Olympiad while at Manchester Grammar School. Cocks went on to study mathematics as an undergraduate at King\’s College, Cambridge and then did graduate work at the University of Oxford.

      Williamson studied at Manchester Grammar School, winning a Gold prize at the 1968 International Mathematical Olympiad in Moscow. He read mathematics at the University of Cambridge, graduating in 1971.


    10. devadutta Says:
      September 28th, 2008 at 11:01 pm, GMT +0000 ( 1222642917 )

      “Fixed images. *sigh*, looks like i mixed them up again”
      *ahem*
      Some has a loss of concentration.. looks like :)

      		devadutta

    11. nihit Says:
      September 29th, 2008 at 12:28 am, GMT +0000 ( 1222648105 )

      Too many distractions, perhaps :)

      		nihit

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