動いた、結局はしょうもないポカミスだった

さ〜て どうすんだこれ

ゴリゴリRustを書いて、行うべきはずの処理を全部書いてコンパイルも通ったが、しかし動かない、なんで〜

さて……

I see, i see https://author-tools.ietf.org/iddiff?url1=draft-ietf-httpbis-encryption-encoding-03&url2=draft-ietf-httpbis-encryption-encoding-04&difftype=--html

> An application server MUST NOT use other content encodings for push messages. In particular, content encodings that compress could result in leaking of push message contents. The Content-Encoding header field therefore has exactly one value, which is "aes128gcm".

OK!

> Content-Encoding: aesgcm

？？