random.go
func randBytes(numBytes int) []byte {
	b := make([]byte, numBytes)
	_, err := crand.Read(b)
	if err != nil {
		PanicCrisis(err)
	}
	return b
}
func randBytes(numBytes int) []byte {
	b := make([]byte, numBytes)
	_, err := crand.Read(b)
	if err != nil {
		PanicCrisis(err)
	}
	return b
}
func randBytes ( numBytes int ) [ ] byte { b := make ( [ ] byte , numBytes ) _ , err := crand . Read ( b ) if err != nil { PanicCrisis ( err ) } return b }
// This only uses the OS's randomness
This only uses the OS s randomness