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ASPLOS
2012
ACM
14 years 2 months ago
Architectural support for hypervisor-secure virtualization
Virtualization has become a standard part of many computer systems. A key part of virtualization is the all-powerful hypervisor which manages the physical platform and can access ...
Jakub Szefer, Ruby B. Lee
PKC
2007
Springer
129views Cryptology» more  PKC 2007»
16 years 21 days ago
Two-Tier Signatures, Strongly Unforgeable Signatures, and Fiat-Shamir Without Random Oracles
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
Mihir Bellare, Sarah Shoup
EUROCRYPT
2004
Springer
15 years 12 months ago
Chosen-Ciphertext Security from Identity-Based Encryption
Abstract. We propose a simple and efficient construction of a CCAsecure public-key encryption scheme from any CPA-secure identity-based encryption (IBE) scheme. Our construction re...
Ran Canetti, Shai Halevi, Jonathan Katz
ICS
2010
Tsinghua U.
16 years 4 months ago
Robustness of the Learning with Errors Assumption
: Starting with the work of Ishai-Sahai-Wagner and Micali-Reyzin, a new goal has been set within the theory of cryptography community, to design cryptographic primitives that are s...
Shafi Goldwasser, Yael Kalai, Chris Peikert, Vinod...
ASIACRYPT
2007
Springer
16 years 23 days ago
How to Build a Hash Function from Any Collision-Resistant Function
Recent collision-finding attacks against hash functions such as MD5 and SHA-1 motivate the use of provably collision-resistant (CR) functions in their place. Finding a collision ...
Thomas Ristenpart, Thomas Shrimpton