Towards Tightly Secure Lattice Short Signature and Id Based Encryption

Towards Tightly Secure Lattice Short Signature and Id Based Encryption

TheIACR via YouTube Direct link

Our Method

5 of 10

5 of 10

Our Method

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Classroom Contents

Towards Tightly Secure Lattice Short Signature and Id Based Encryption

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  1. 1 Intro
  2. 2 Motivations
  3. 3 Tight Security Reductions Theorem (template) If an adversary A(t.e)-breaks the scheme II in the defined security model, there exists an algorithm that (t',')-breaks some computation problem
  4. 4 Digital Signatures
  5. 5 Our Method
  6. 6 Katz-Wang's Magic Bit KW'03
  7. 7 Short Integer Solution (SIS) Problem and Trapdoors Definition
  8. 8 Proof Idea of Boyen's Signature
  9. 9 Our Signature Scheme
  10. 10 Conclusion

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