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Paper 2016/360
Another Look at Tightness II: Practical Issues in Cryptography
Sanjit Chatterjee and Neal Koblitz and Alfred Menezes and Palash Sarkar
Abstract
How to deal with large tightness gaps in security proofs is a vexing issue in cryptography. Even when analyzing protocols that are of practical importance, leading researchers often fail to treat this question with the seriousness that it deserves. We discuss nontightness in connection with complexity leveraging, HMAC, lattice-based cryptography, identity-based encryption, and hybrid encryption.
Note: minor additions, corrections, and clarifications
Metadata
- Available format(s)
- Category
- Cryptographic protocols
- Publication info
- Preprint. MINOR revision.
- Keywords
- tightnesscomplexity leveragingHMAClattice-based cryptographyIBEhybrid encryption
- Contact author(s)
- koblitz @ uw edu
- History
- 2016-08-25: last of 3 revisions
- 2016-04-11: received
- See all versions
- Short URL
- https://ia.cr/2016/360
- License
-
CC BY