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The Future of Cryptography

The Future of Cryptography. Salil Vadhan Harvard University. Research in Cryptography: Traditional View. Design Algorithms. Prove/Evaluate Security. RSA DSS AES+modes SHA-1 ׃. Security Applications. Research in Cryptography. Complexity Theory. 8 adversaries

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The Future of Cryptography

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  1. The Future of Cryptography Salil Vadhan Harvard University

  2. Research in Cryptography:Traditional View DesignAlgorithms Prove/Evaluate Security RSA DSSAES+modes SHA-1 ׃ Security Applications

  3. Research in Cryptography Complexity Theory 8 adversaries with resources Xand access Y “feasibility” resultsimpossibility theoremsconcurrency/composibility׃ Define Security Find Building Blocks FormulateTasks NumberTheory FormalMethods Encryption Signatures Zero-Knowledge PfsSecure Multiparty Comp.Electronic VotingIdentity-Based Encryption ׃ UnderstandLimits Factoring Elliptic Curves DES, AESMD5, SHA-1 One-Way Functions ׃ DesignAlgorithms Prove/Evaluate Security Security Applications

  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.

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