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zapret-wgobfs: optimize key cache

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bol-van
2025-11-23 19:02:47 +03:00
parent c80efcc983
commit 3a66f86621
1 changed files with 5 additions and 6 deletions
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11
lua/zapret-wgobfs.lua
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@@ -11,15 +11,14 @@ function wgobfs(ctx, desync)
local padmin = desync.arg.padmin and tonumber(desync.arg.padmin) or 0
local padmax = desync.arg.padmax and tonumber(desync.arg.padmax) or 16
local function genkey()
-- cache key in lua_state of conntrack is present
if desync.track and desync.track.lua_state.wgobfs_key then
key = desync.track.lua_state.wgobfs_key
-- cache key in a global var bound to instance name
local key_cache_name = desync.func_instance.."_key"
if _G[key_cache_name] then
key = _G[key_cache_name]
end
if not key then
key = hkdf("sha256", "wgobfs_salt", desync.arg.secret, nil, 16)
if desync.track then
desync.track.lua_state.wgobfs_key = key
end
_G[key_cache_name] = key
end
return key
end