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Proof Idea of Boyen's Signature
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Classroom Contents
Towards Tightly Secure Lattice Short Signature and Id Based Encryption
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- 1 Intro
- 2 Motivations
- 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 Digital Signatures
- 5 Our Method
- 6 Katz-Wang's Magic Bit KW'03
- 7 Short Integer Solution (SIS) Problem and Trapdoors Definition
- 8 Proof Idea of Boyen's Signature
- 9 Our Signature Scheme
- 10 Conclusion
