Raise initial padding number to 8

Protect initial handshake lengths.

Common client initial sequence:

- TLS: ClientHello
- TLS: ChangeCipherSpec, Finished
- H2: Magic, SETTINGS, WINDOW_UPDATE
- H2: HEADERS: GET
- H2: SETTINGS ACK

Common server initial sequence:

- TLS: ServerHello, ChangeCipherSpec, ...
- TLS: Certificate, ...
- H2: SETTINGS
- H2: WINDOW_UPDATE
- H2: SETTINGS ACK
- H2: HEADERS: 200 OK
This commit is contained in:
klzgrad 2020-06-13 16:02:14 +08:00
parent df9cade438
commit 453aca0079

View File

@ -41,7 +41,7 @@ namespace net {
namespace { namespace {
constexpr int kBufferSize = 64 * 1024; constexpr int kBufferSize = 64 * 1024;
constexpr int kFirstPaddings = 4; constexpr int kFirstPaddings = 8;
constexpr int kPaddingHeaderSize = 3; constexpr int kPaddingHeaderSize = 3;
constexpr int kMaxPaddingSize = 255; constexpr int kMaxPaddingSize = 255;
} // namespace } // namespace