Re:Type-safe, K-sortable, globally unique identifier inspire...
by veec_cas_tant on Monday July 03, 2023 @04:32AM
(#36570303)
I struggle to see how 10 bits of check data will help much. I guess if the extra bits aren’t persisted to storage it doesn’t hurt so why not?
Re:Type-safe, K-sortable, globally unique identifier inspire...
by diroussel on Monday July 03, 2023 @05:07PM
(#36578843)
Storage can get corrupted, columns can be truncated. For the applications I tend to touch correctness and the ability to detect errors and tamper are more important that a couple of bytes per row.
But every application and domain is different.
For one application I used a base 58 encoded value. Part of it was a truncated hmac, which I used like check digits. This meant I could validate IDs before hitting the DB. As an attacker or script kiddie could otherwise try a resource exhaustion attack.
So in the age of public internet faceing APIs and app urls, I think built in optional check digit support is a good idea.