Cryptography\t\r ?
Course\t\r ?overview\t\r ?
Cryptography\t\r ?(historically)\t\r ?
\t\r ?\t\r ?\t\r ?\t\r ?\t\r ?“…the\t\r ?art\t\r ?of\t\r ?wri6ng\t\r ?or\t\r ?solving\t\r ?codes…”\t\r ???Historically,\t\r ?cryptography\t\r ?focused\t\r ?exclusively\t\r ?on\t\r ?ensuring\t\r ?secret\t\r ?communica0on\t\r ?\t\r ?between\t\r ?two\t\r ?par6es\t\r ?sharing\t\r ?secret\t\r ?informa6on\t\r ?in\t\r ?advance\t\r ?(aka,\t\r ?“codes”\t\r ?\t\r ?or\t\r ?private--‐key\t\r ?encryp6on)\t\r ?
Modern\t\r ?cryptography\t\r ?
??Much\t\r ?broader\t\r ?scope!\t\r ?
–?Data\t\r ?integrity,\t\r ?authen6ca6on,\t\r ?protocols,\t\r ?…\t\r ?–?The\t\r ?public--‐key\t\r ?se7ng\t\r ?
–?Founda6ons\t\r ?(e.g.,\t\r ?number\t\r ?theory)\t\r ?to\t\r ?systems\t\r ?(e.g.,\t\r ?electronic\t\r ?vo6ng,\t\r ?distributed\t\r ?e--‐cash)\t\r ?
Modern\t\r ?cryptography\t\r ?
\t\r ?\t\r ?
Design,\t\r ?analysis,\t\r ?and\t\r ?implementa0on\t\r ?of\t\r ?mathema&cal\t\r ?techniques\t\r ?for\t\r ?securing\t\r ?informa0on,\t\r ?systems,\t\r ?and\t\r ?
computa0on\t\r ?against\t\r ?adversarial\t\r ?a=ack\t\r ?
Modern\t\r ?cryptography\t\r ?
??Cryptography\t\r ?is\t\r ?ubiquitous\t\r ?
–?Passwords,\t\r ?password\t\r ?hashing\t\r ?
–?Secure\t\r ?credit--‐card\t\r ?transac6ons\t\r ?over\t\r ?the\t\r ?internet\t\r ?–?Encrypted\t\r ?WiFi\t\r ?–?Disk\t\r ?encryp6on\t\r ?
–?Digitally\t\r ?signed\t\r ?soNware\t\r ?updates\t\r ?–?Bitcoin\t\r ?
Cryptography_Course_Overview
