1 The Future of Cryptography Salil Vadhan Harvard University.

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Presentation transcript:

1 The Future of Cryptography Salil Vadhan Harvard University

2 Research in Cryptography: Traditional View Design Algorithms Prove/Evaluate Security Security Applications RSA DSS AES+modes SHA-1 ׃

3 Research in Cryptography Design Algorithms Prove/Evaluate Security Security Applications Formulate Tasks Understand Limits Define Security Find Building Blocks Encryption Signatures Zero-Knowledge Pfs Secure Multiparty Comp. Electronic Voting Identity-Based Encryption ׃ Factoring Elliptic Curves DES, AES MD5, SHA-1 One-Way Functions ׃ 8 adversaries with resources X and access Y “feasibility” results impossibility theorems concurrency/composibility ׃ Number Theory Complexity Theory Formal Methods

4 How the Cybertrust Community can Benefit Methodology/understanding as useful as actual constructions. Accessible textbooks on modern crypto,eg Katz & Lindell Consult cryptographers when using crypto primitives, doing protocol design. Recognize that going from theory to practice is sometimes a long process.