Java Cryptography

Algorithms

One of the nice features of the provider architecture in the Security API is that it’s possible to use different cryptographic algorithms without having to rewrite your program. The SunJCE provider includes three cipher algorithms. Other providers include other algorithms; you can select one according to your needs and budget.

Table 7.1 lists cipher algorithms and the providers that support them. Table 7.2 gives details on the providers.

Table 7-1. Cipher Algorithms

Name	Provider(s)
DES	SunJCE, Cryptix, IAIK, JCP
DESede (triple DES)	SunJCE, Cryptix (DES-EDE3), IAIK (3DES), JCP
PBEWithMD5AndDES	SunJCE
RSA	Cryptix, IAIK, JSAFE
Blowfish	Cryptix
IDEA	Cryptix, IAIK, JCP
SPEED	Cryptix
RC2	IAIK, Cryptix
RC4	IAIK, Cryptix, JCP
CAST5	Cryptix
LOKI91	Cryptix
SAFER	Cryptix
Square	Cryptix

Table 7-2. Cipher Algorithm Providers

Name	Full name	Location	Free?	U.S. only?
SunJCE	Sun JCE Security Provider v1.0	http://java.sun.com/products/jdk/1.2/jce/	Yes	Yes
Cryptix	Cryptix for Java (3.0 or later)	http://www.systemics.com/software/cryptix-java/	Yes	No
IAIK	IAIK Security Provider	http://www.jce.iaik.tu-graz.ac.at/	No	No
JSAFE	RSA’s Java Crypto Toolkit	http://www.rsa.com/rsa/products/jsafe/	No	Yes
JCP	JCP Crypto Development Kit	http://www.jcp.co.uk/products/	No	No