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SUMMARY:Zero Knowledge Protocols - Bradley Kemp\, Churchill College
DTSTART:20151021T180000Z
DTEND:20151021T184000Z
UID:TALK62060@talks.cam.ac.uk
CONTACT:Matthew Ireland
DESCRIPTION:NB -- this week's talks will take place in the Club Room due t
 o maintenance work in the Wolfson Hall.\n\nAuthentication to remote server
 s is now an extremely frequent problem\, but many commonly used techniques
  are far from ideal: the server knows your secret in its entirety and the 
 protocols used leak this information to eavesdroppers. This talk will be a
 n introduction into Zero Knowledge Protocols\, an alternative approach whe
 re servers do not know your secret and eavesdroppers learn nothing. We wil
 l see the formal properties that these protocols must possess and then con
 solidate the understanding with two real world examples. At the end we wil
 l briefly see how these ideas can be extended to computing functions over 
 the inputs of a set of participants while preserving the secrecy of each i
 nput.
LOCATION:Wolfson Hall\, Churchill College
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