Você pode usar o Castelo Bouncy em vez disso:
Name : bouncycastle
Arch : noarch
Version : 1.46
Release : 1.el6
Size : 2.3 M
Repo : epel
Summary : Bouncy Castle Crypto Package for Java
URL : http://www.bouncycastle.org/
License : MIT
Description: The Bouncy Castle Crypto package is a Java implementation of cryptographic
: algorithms. The package is organised so that it contains a light-weight API
: suitable for use in any environment (including the newly released J2ME) with
: the additional infrastructure to conform the algorithms to the JCE framework.