This is iOS we're talking about. The CSPRNG provided as part of Swift or Obj-C's standard library has likely already been audited for use on other govt. project

This is iOS we're talking about. The CSPRNG provided as part of Swift or Obj-C's standard library has likely already been audited for use on other govt. projects. http://stackoverflow.com/questions/9234686/generating-random-numbers-securely-in-objective-c http://stackoverflow.com/questions/9234686/generating-random...