[Blueboard] Lecture on Cryptography

evbagtas at mathsci.math.admu.edu.ph evbagtas at mathsci.math.admu.edu.ph
Tue Jan 30 10:22:24 PHT 2007

The Mathematics Department of Ateneo de Manila University

cordially invites you to a Talk on

"A quick overview on Cryptography"


Prof. Jose Andres Armario
Associate Professor
Department of Applied Mathematics
University of Seville, Spain

on February 7, 2007 (Wednesday)
at SEC A208
2:30 to 3:30 pm


The Internet (a public and often insecure channel) is now the most
commonly used medium for transmitting personal or business-related
information. To protect the transfer of sensitive information from
eavesdroppers on the Internet, messages should be transmitted in encrypted
form, thus assuring the sender of a message that it will only be read by
the intended receiver (privacy). Also, cryptography techniques prevent the
unauthorized injection of messages into the Internet, assuring the
receiver of a message of the legitimacy of its sender (authentication).

In this talk, I will describe the two essentially different types
of cryptographic systems (Secret-key and Public-key) and how to utilize
them to obtain private and authenticate communication in a public and
insecure channel.

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