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FSE
2007
Springer
250views Cryptology» more  FSE 2007»
13 years 11 months ago
Related-Key Rectangle Attacks on Reduced AES-192 and AES-256
This paper examines the security of AES-192 and AES-256 against a related-key rectangle attack. We find the following new attacks: 8-round reduced AES-192 with 2 related keys, 10-...
Jongsung Kim, Seokhie Hong, Bart Preneel
ICICS
2007
Springer
13 years 11 months ago
(Convertible) Undeniable Signatures Without Random Oracles
We propose a convertible undeniable signature scheme without random oracles. Our construction is based on the Waters signatures proposed in Eurocrypt 2005. The security of our sche...
Tsz Hon Yuen, Man Ho Au, Joseph K. Liu, Willy Susi...
ASIACRYPT
2006
Springer
13 years 9 months ago
HIBE With Short Public Parameters Without Random Oracle
Abstract. At Eurocrypt 2005, Waters presented an identity based encryption (IBE) protocol which is secure in the full model without random oracle. In this paper, we extend Waters&#...
Sanjit Chatterjee, Palash Sarkar
EUROCRYPT
2005
Springer
13 years 10 months ago
How to Break MD5 and Other Hash Functions
Abstract. MD5 is one of the most widely used cryptographic hash functions nowadays. It was designed in 1992 as an improvement of MD4, and its security was widely studied since then...
Xiaoyun Wang, Hongbo Yu
EUROCRYPT
2005
Springer
13 years 10 months ago
Fuzzy Identity-Based Encryption
We introduce a new type of Identity-Based Encryption (IBE) scheme that we call Fuzzy Identity-Based Encryption. In Fuzzy IBE we view an identity as set of descriptive attributes. ...
Amit Sahai, Brent Waters