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CTRSA
2007
Springer
111views Cryptology» more  CTRSA 2007»
15 years 3 months ago
A Practical and Tightly Secure Signature Scheme Without Hash Function
In 1999, two signature schemes based on the flexible RSA problem (a.k.a. strong RSA problem) were independently introduced: the Gennaro-Halevi-Rabin (GHR) signature scheme and the...
Benoît Chevallier-Mames, Marc Joye
EUROCRYPT
2010
Springer
15 years 2 months ago
Universal One-Way Hash Functions via Inaccessible Entropy
This paper revisits the construction of Universal One-Way Hash Functions (UOWHFs) from any one-way function due to Rompel (STOC 1990). We give a simpler construction of UOWHFs, whi...
Iftach Haitner, Thomas Holenstein, Omer Reingold, ...
IMA
2009
Springer
139views Cryptology» more  IMA 2009»
15 years 4 months ago
Security of Cyclic Double Block Length Hash Functions
Abstract. We provide the first proof of security for Abreast-DM, one of the oldest and most wellknown constructions for turning a block cipher with n-bit block length and 2n-bit k...
Ewan Fleischmann, Michael Gorski, Stefan Lucks
FSE
2006
Springer
121views Cryptology» more  FSE 2006»
15 years 1 months ago
The Ideal-Cipher Model, Revisited: An Uninstantiable Blockcipher-Based Hash Function
The Ideal-Cipher Model of a blockcipher is a well-known and widely-used model dating back to Shannon [24] and has seen frequent use in proving the security of various cryptographi...
John Black
FSE
2005
Springer
106views Cryptology» more  FSE 2005»
15 years 3 months ago
New Applications of T-Functions in Block Ciphers and Hash Functions
A T-function is a mapping from n-bit words to n-bit words in which for each 0 ≤ i < n, bit i of any output word can depend only on bits 0, 1, . . . , i of any input word. All ...
Alexander Klimov, Adi Shamir