## The birthday paradox and its consequences for encryption parameters |

**KATHRYN LESH**

UNION COLLEGE

April 22, 2014

5:00 pm

Bailey Hall 207

Refreshments will be served in Bailey Hall 204 4:45pm

How many people must be in a room before there is at least a 50% chance that two of them have the same birthday? The answer is a surprisingly small number. (See if you can calculate it!) This kind of "collision" problem has important consequences for the choice of parameters in public-key cryptography, which is used, among other things, to secure Internet traffic.

For additional information, send e-mail to math@union.edu or call (518) 388-6246.

Union College Math Department Home PageComments to: math@union.edu Created automatically on: Fri Jul 20 16:35:34 EDT 2018 |