This does not need to be kept secret, but should be made as large as is reasonable. See below for guidance on choosing a good number for this. PBKDF2 objects can also be configured with the following options: hash_function: The hashing algorithm to be used. ...
The javadoc can be foundhere. Installation Password4j runs onJava 8 or higher versionsby any vendor. It is compatible withAndroid API 21+as well. The artifacts are deployed toMaven Central. Add the dependency of the latest version to yourpom.xml: ...
A useful example of this sort of reasoning can be found in the Security Considerations section of RFC 3962.The other approach for choosing the iterations count is to decide the maximum performance penalty that can be tolerated in the context of the application, and to set the iteration count ...