Literature on information integration across databases tacitly assumes that the data in each
database can be revealed to the other databases. However, there is an increasing need for …

Abstract Radio Frequency Identification (RFID) systems are a common and useful tool in
manufacturing, supply chain management and retail inventory control. Optical barcodes …

Recently, a technique called quotient cube was proposed as a summary structure for a data
cube that preserves its semantics, with applications for online exploration and visualization …

Boolean functions are an important area of study for cryptography. These functions,
consisting merely of one's and zero's, are the heart of numerous cryptographic systems and …

The appearance of the theory of zero-knowledge, presented by Goldwasser, Micali and
Rackoff in 1985, opened a way to secure identification schemes. The first application was …

We present a new heuristic algorithm that efficiently generates Boolean Bent functions,
which have desirable cryptographic properties including maximum nonlinearity. By using an …

We propose two new instructions, swperm and sieve, that can be used to efficiently complete
an arbitrary bit-level permutation of an n-bit word with or without repetitions. Permutations …

There are many proposals of unkeyed hash functions based on block ciphers. Preneel,
Govaerts and Vandewalle, in their CRYPTO'93 paper, presented the general model of …

HAVAL is a hash function, which was proposed by Zheng et al. HAVAL has the first flexiable
variable output lengths, namely 128, 160, 192, 224 or 256 bits, and consists of 3-pass, 4 …

This thesis focuses on cryptanalysis techniques and design of block ciphers. In particular,
modern analysis methods such as square, boomerang, impossible differential and linear …