Re:Blog post id enumeration can lead to unwanted information...
by zeveb on Monday February 29, 2016 @10:38AM
(#11196031)
> Some UUIDs are cryptographically secure.
Not if they are RFC 4122 UUIDs (more accurately, they are insufficiently cryptographically secure): even the random ones are only 122 bits, which only provide 61 bits of security.
UUIDs are still really, really useful. I don't recommend not using them unless one understands why and when not to.
Not if they are RFC 4122 UUIDs (more accurately, they are insufficiently cryptographically secure): even the random ones are only 122 bits, which only provide 61 bits of security.
UUIDs are still really, really useful. I don't recommend not using them unless one understands why and when not to.