const github.com/refraction-networking/utls/dicttls.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384

one use

	github.com/refraction-networking/utls/dicttls (current package)
		cipher_suites.go#L204: 	TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384       uint16 = 0xC026