Assume I'm using the following code to generate pseudo-random sessionID's: sessionID = SHA-512(GENERATE-GUID()) The GUIDs are pretty deterministic, i.e. I see lots of GUIDs with a lot of the same ...
I am working on a fairly large open source project (Drupal) and the next major version will begin to use UUIDs for a lot of things, including configuration objects. If we put UUIDs into the ...
Globally Unique Identifiers (GUID) are a grouped string with a specific format which I assume has a security reason. A GUID is most commonly written in text as a sequence of hexadecimal digits ...
I always wanted to use randomly generated strings for my resources' IDs, so I could have shorter URLs like this: /user/4jz0k1 But I never did, because I was worried about the random string generation ...
A good schema to represent integer numbers from 0 to infinity, assuming you have infinite linear binary storage?
I would like a schema to represent integer numbers starting with 0, without any limit (assuming access to infinite linear storage). Here's a schema that can represent numbers from 0 to 255: Use the ...
Has anybody done any real research on the probability of UUID collisions, especially with version 4 (random) UUIDs, given that the random number generators we use aren't truly random and that we might ...