const github.com/refraction-networking/utls/dicttls.DHKEM_SECP256K1_HKDF_SHA256

one use

	github.com/refraction-networking/utls/dicttls (current package)
		hpke_kem_identifiers.go#L13: 	DHKEM_SECP256K1_HKDF_SHA256 uint16 = 0x0016 // draft-wahby-cfrg-hpke-kem-secp256k1-01