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In FSE 2007, Ristenpart and Rogaway had described a generic
method XLS to construct a length-preserving strong pseudorandom permutation
(SPRP) over bit-strings of size at least n. It requires a leng...
A Generic Method to Extend Message Space of a Strong Pseudorandom Permutation
Generic Method Extend Message Space Strong Pseudorandom Permutation
2009/6/3
In this paper we present an efficient and secure generic method which can encrypt messages
of size at least n. This generic encryption algorithm needs a secure encryption algorithm for messages
of m...