Plenty of well-regarded crypto protocols use timestamps to prevent replay. The n...

tptacek on Dec 18, 2008 | parent | context | favorite | on: Amazon Web Services signature version 1 is insecur...

Plenty of well-regarded crypto protocols use timestamps to prevent replay. The nonce isn't a panacea; you have any number of design pitfalls to deal with when trying to secure a message with a random number, too.