Andrej Bogdanov Chinese University of Hong Kong CRYPTOGRAPHY WHAT IS IT GOOD FOR? CMSC 57196 Feb 2012
CRYPTOGRAPHY WHAT IS IT GOOD FOR? Andrej Bogdanov Chinese University of Hong Kong CMSC 5719 | 6 Feb 2012
里含 宜 IN TEN 星 MINUTES 净 星 含 净 里 净 里 里 里 7 平 牌 净 里含 里里造里生里注里注7
phhw ph dw wjh uxelfrq l know what he is up to！
phhw ph dw wjh uxelfrq I know what he is up to!
A model for encryption saopgpwnhx Alice nizpfkel3c Bob OK! ®P7 Eve Alice and Bob want to exchange messages but remain private to eavesdroppers
A model for encryption Alice Bob Alice and Bob want to exchange messages but remain private to eavesdroppers saopgpwnhx nizpfkel3c OK! ??! Eve
Bad news saopgpwnhx Alice nizpfkel3c Bob OK Eve impossible! Eve can simulate the states of Alice Bob and learn everything they know
Bad news Alice Bob impossible! saopgpwnhx nizpfkel3c OK! ??! Eve Eve can simulate the states of Alice & Bob and learn everything they know