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» Deploying a New Hash Algorithm
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ALENEX
2010
156views Algorithms» more  ALENEX 2010»
13 years 8 months ago
Tabulation Based 5-Universal Hashing and Linear Probing
Previously [SODA'04] we devised the fastest known algorithm for 4-universal hashing. The hashing was based on small pre-computed 4-universal tables. This led to a five-fold i...
Mikkel Thorup, Yin Zhang
SECRYPT
2007
121views Business» more  SECRYPT 2007»
13 years 8 months ago
Using Steganography to Improve Hash Functions' Collision Resistance
Lately, hash function security has received increased attention. Especially after the recent attacks that were presented for SHA-1 and MD5, the need for a new and more robust hash...
Emmanouel Kellinis, Konstantinos Papapanagiotou
IPPS
1998
IEEE
13 years 11 months ago
ScalParC: A New Scalable and Efficient Parallel Classification Algorithm for Mining Large Datasets
In this paper, we present ScalParC (Scalable Parallel Classifier), a new parallel formulation of a decision tree based classification process. Like other state-of-the-art decision...
Mahesh V. Joshi, George Karypis, Vipin Kumar
CCS
2001
ACM
13 years 12 months ago
New Iterative Geometric Methods for Robust Perceptual Image Hashing
We propose a novel and robust hashing paradigm that uses iterative geometric techniques and relies on observations that main geometric features within an image would approximately ...
Mehmet Kivanç Mihçak, Ramarathnam Ve...
CIT
2006
Springer
13 years 11 months ago
A new collision resistant hash function based on optimum dimensionality reduction using Walsh-Hadamard transform
Hash functions play the most important role in various cryptologic applications, ranging from data integrity checking to digital signatures. Our goal is to introduce a new hash fu...
Barzan Mozafari, Mohammad Hasan Savoji