Sun, 05 Jul 2009 17:10:42 +0100
util.hmac: Some optimisations
util/hmac.lua | file | annotate | diff | comparison | revisions |
--- a/util/hmac.lua Sun Jul 05 17:06:22 2009 +0100 +++ b/util/hmac.lua Sun Jul 05 17:10:42 2009 +0100 @@ -1,15 +1,18 @@ local hashes = require "util.hashes" local xor = require "bit".bxor +local t_insert, t_concat = table.insert, table.concat; +local s_char = string.char; + module "hmac" local function arraystr(array) local t = {} - for i = 1,table.getn(array) do - table.insert(t, string.char(array[i])) + for i = 1,#array do + t_insert(t, s_char(array[i])) end - return table.concat(t) + return t_concat(t) end --[[