If OpenSSL::Random isn't working (because OpenSSL is not installed for example) there is also SecureRandom in the stdlib. It tries to do the right thing in any

If OpenSSL::Random isn't working (because OpenSSL is not installed for example) there is also SecureRandom in the stdlib. It tries to do the right thing in any situation: Use OpenSSL:Random if available, otherwise it will fall back to what's available in the OS you're on.