HMACというのは"this is an HMAC key"のこと
正確にはdiffを取ると
163a164
> request.headers["X-2ch-UA"] = "…"
165c166
< request.headers["User-Agent"] = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0"
---
> request.headers["User-Agent"] = "Monazilla/1.00 …"
169c170
< request.body = request.body .. "&oekaki_thread1="
---
> --request.body = request.body .. "&oekaki_thread1="
185c186
< local postSig, postNonce, monaKey = generatePostSignatureFromTable(tBody, request.headers["User-Agent"], "this is an HMAC key")
---
> local postSig, postNonce, monaKey = generatePostSignatureFromTable(tBody, request.headers["User-Agent"], "…")
197c198
< request.headers["X-APIKey"] = "this is an API key"
---
> request.headers["X-APIKey"] = "…"