Commons Crypto provides the CryptoRandom interface for defining secret generators.
The RandomProvider enum in the CryptoRandomFactory defines some sensible default
implementations:
OPENSSL
OpenSSL based JNI implementation shipped with Commons Crypto.
JAVA
The SecureRandom implementation from the JVM.
OS
The OS random device implementation. May not be available on some operation systems.
When calling CryptoRandomFactory.getCryptoRandom(), Commons Crypto tries to use the OpenSSL
CryptoRandom implementation first. If this fails, the Java implementation is used.
In order use a different CryptoRandom implementation (e.g. OS), the
CryptoRandomFactory.getCryptoRandom(Properties) method can be used, passing in the desired
implementation class names:
Properties props = new Properties();
props.setProperty(CryptoRandomFactory.CLASSES_KEY, CryptoRandomFactory.RandomProvider.OS.getClassName());
CryptoRandom random = CryptoRandomFactory.getCryptoRandom(props);
