It is a fair point about guessability, though, in the sense that you might be able to mount a brute force attack to guess a time based UUID, but it would not be easy. You would need to guess an effectively random 59 bit number (the low order bits) and then step through all possible time stamps millisecond by millisecond (the high order bits). If you had some means to know the specific range of time to search (and a very fast test to determine when you had guessed correctly) you would certainly improve your odds vs guessing a purely random UUID.
Best, Dan On Wednesday, March 4, 2015, danle...@gmail.com <danle...@gmail.com> wrote: > My pleasure! Just to be clear, clj-uuid does NOT use the hardware MAC > address and does NOT pose any security concern. > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > <javascript:;> > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com <javascript:;> > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to a topic in the > Google Groups "Clojure" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/clojure/D8l-qRqCyOw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > clojure+unsubscr...@googlegroups.com <javascript:;>. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
