crypto1_new

crypto1_new - CIS CIS 5371 Cryptography 1. Introduction A...

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IS 5371 Cryptography CIS 5371 1. Introduction simple communication game A simple communication game (Textbook: Modern Cryptography, Theory & Practice . Wembo Mao, Prentice-Hall, 2004. 1
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Coin-flipping over the phone - a simple example Discuss the effectiveness & practicality of t crypto. Discuss the foundations of crypto. Establish a mindset for developing crypto systems for Information Assurance. 2
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i n lippin ver the ph ne Coin-flipping over the phone Alice and Bob have just split up. They now live in different towns and must decide h ill t t k th i 1967 Sti C tt who will get take their 1967 Stingray Corvette. They decide to flip a coin over the phone. lice doesn’t trust Bob: Alice doesn t trust Bob: So she must: 1. ( Hiding property : Bob should not be able to cheat ) Hide her choice from Bob, but also inding property lice should not be able to cheat 3 2. ( Binding property : Alice should not be able to cheat ) Commit to her choice,
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Coin-flipping over the phone Bit Commitment function f a integer function f is
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crypto1_new - CIS CIS 5371 Cryptography 1. Introduction A...

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