# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1638400403 -3600
# Node ID f8d28021563370b9b165ee0535883d09372950cc
# Parent  b5b799a2a10c29535ccae99773123de37d353865
util.id: Add a 'tiny' variant

Conversations uses this for its randomized resources. Presumably fine
and collision resistant enough when you have a few devices at most.

diff -r b5b799a2a10c -r f8d280215633 util/id.lua
--- a/util/id.lua	Thu Dec 02 01:14:55 2021 +0100
+++ b/util/id.lua	Thu Dec 02 00:13:23 2021 +0100
@@ -19,6 +19,9 @@
 return {
 	-- sizes divisible by 3 fit nicely into base64 without padding==
 
+	-- for short lived things with low risk of collisions
+	tiny = function() return b64url_random(3); end;
+
 	-- close to 8 bytes, should be good enough for relatively short lived or uses
 	-- scoped by host or users, half the size of an uuid
 	short = function() return b64url_random(9); end;