Cryptix 1.1 - Cryptographic extensions for Java

Description

This library contains a suite of cryptographic classes for Java. Some of the classes have been implemented in native code for performance reasons, and have been tested on Windows 95, Windows NT, Solaris, Linux and IRIX. Both source and binaries are available for download.

See the package documentation for more information, as well as the FAQ for frequently asked questions.

Features

All of the following have been implemented:

java.crypt.BlockCipher
This class is a base class for all block ciphers.
java.crypt.Blowfish (based on code from A.M. Kuchling, Bryan Olson and Bruce Schneier)
An implementation of Bruce Schneier's Blowfish block cipher.
java.crypt.CipherFeedback
A class for implementing the cipher feedback mode of block cipher encryption.
java.crypt.CSRandomStream
A cryptographically secure pseudo random input-stream.
java.crypt.DES (based on code from Eric Young)
An implementation of the DES block cipher.
java.crypt.HashMD5
An class encapsulating MD5 hashes.
java.crypt.HashSHA
An class encapsulating SHA hashes.
java.crypt.IDEA
An implementation of the IDEA block cipher algorithm. Based on native libraries.
java.crypt.MD5 (based on code from RSA Data Security, Inc.)
An implementation of the MD5 message digest algorithm. Based on native libraries.
java.crypt.MD5OutputStream
An output stream the creates an MD5 hash of its input.
java.crypt.MessageDigest
A base class for all messsage digest algorithms.
java.crypt.MessageDigestOutputStream
A class for using message digest functions to hash an output stream.
java.crypt.MessageHash
A base class for classes encapsulating hashes.
java.crypt.rsa.PublicKey
An RSA public key.
java.crypt.rsa.RSAKeyGen
A class for generating RSA public/secret key pairs.
java.crypt.rsa.SecretKey
An RSA secret key.
java.crypt.SHA (based on code from NIST and Peter C. Gutmann)
An implementation of NISTs SHA message digest algorithm. Based on native libraries.
java.crypt.SHAOutputStream
An output stream the creates an SHA hash of its input.
java.crypt.StreamCipher
A base class for stream ciphers.
java.math.BigInteger (based on code from Eric Young).
This class implements arbitrary length integers and some associated mathematical functions. Based on native libraries.
java.math.MPI
A class for converting BigIntegers to and from MPI format integers.
java.math.PRNG
A class for generating a pseudo random sequence with a period of 2**160.
java.math.RandomStream
An input stream that is random.
java.math.TestPrime
A class for testing the primality of BigIntegers.

Mailing list

A mailing list exists for the users of this library. This list is very low volume, and can be joined by sending

subscribe cryptix-java your mail address

to majordomo@systemics.com.

Copyright

This library includes (or is derived from) software developed by (and owned by) the following:

Peter C. Gutmann
A.M. Kuchling
NIST
Bryan Olson
RSA Data Security, Inc.
Bruce Schneier
Eric Young <eay@mincom.oz.au>

Other parts of the library are covered by the following licence:

This library and applications are FREE FOR COMMERCIAL AND NON-COMMERCIAL USE as long as the following conditions are adhered to.

Copyright remains with Systemics Ltd, and as such any Copyright notices in the code are not to be removed. If this code is used in a product, Systemics should be given attribution as the author of the parts used. This can be in the form of a textual message at program startup or in documentation (online or textual) provided with the package.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
All advertising materials mentioning features or use of this software must display the following acknowledgement:

This product includes software developed by Systemics Ltd (http://www.systemics.com/)

THIS SOFTWARE IS PROVIDED BY SYSTEMICS LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The licence and distribution terms for any publically available version or derivative of this code cannot be changed. i.e. this code cannot simply be copied and put under another distribution licence [including the GNU Public Licence.]