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XHX - A Framework for Optimally Secure Tweakable Block Ciphers from Classical Block Ciphers and Universal Hashing
Provable security ideal-cipher model tweakable block cipher
2017/11/13
Tweakable block ciphers are important primitives for designing cryptographic schemes with high security. In the absence of a standardized tweakable block cipher, constructions built from classical blo...
Trade-Off Between Key Size and Efficiency in Universal Hashing Using Polynomials
universal hash function Polynomials
2009/6/11
Consider the following universal hashing set-up. Let IF be a finite field and suppose any
message consists of at most 230 elements of IF. Suppose further that a collision bound of 2128 is
...
Fuzzy Universal Hashing and Approximate Authentication
Fuzzy Universal Hashing Approximate Authentication cryptology
2009/2/23
Fuzzy Universal Hashing and Approximate Authentication.
Invertible Universal Hashing and the TET Encryption Mode
Invertible Universal Hashing TET Encryption Mode
2008/9/19
This work describes a mode of operation, TET, that turns a regular block cipher into a
length-preserving enciphering scheme for messages of (almost) arbitrary length. When using an
n-bit block cip...