This README file provides information about Java Cryptography Extension (JCE).
The Java Cryptography Extension (JCE) 1.2.1 provides a framework and implementations for encryption, key generation and key agreement, and Message Authentication Code (MAC) algorithms. Support for encryption includes symmetric, asymmetric, block, and stream ciphers. The software also supports secure streams and sealed objects.
JCE 1.2.1 supplements the Java 2 platform, which already includes interfaces and implementations of message digests and digital signatures.
For a general overview of JCE, visit http://java.sun.com/products/jce. The documents at this Web site contain links to many other Web-based information sources.
The IBM version of JCE differs from the Sun version in the following ways:
To use the JCE APIs, expand the jcedocs.jar file, which is
located in the docs\jce subdirectory of the main directory. For Unix,
the file is in the docs/jce/jcedocs.jar file of the main directory.
The files that are extracted contain the following information:
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To use the IBMJCE 1.2.1 provider, include the following IBM JCE JAR files
in your CLASSPATH if they are not already located in your Java extensions directory
(e.g., ${java-home}${/}lib${/}ext):
Also, specify the following in your java.security file in the ${java-home}${/}lib${/}security directory:
Note that the IBM JCE provider must be placed after the default Sun provider that is available with the JRE.
Now, you are ready to use the IBMJCE provider.
The sample programs that demonstrate how to use the IBMJCE are located in the docs\jce\samplejce.jar file.
This edition applies to Java Cryptography Extension (JCE) and to all subsequent releases and modifications until otherwise indicated in new editions.
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