1 files changed, 19 insertions, 9 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/socket/state_cookie.h b/third_party/libwebrtc/net/dcsctp/socket/state_cookie.h
index 34cd6d3690..b94eedafd4 100644
--- a/third_party/libwebrtc/net/dcsctp/socket/state_cookie.h
+++ b/third_party/libwebrtc/net/dcsctp/socket/state_cookie.h
@@ -27,15 +27,19 @@ namespace dcsctp {
 // Do not trust anything in it; no pointers or anything like that.
 class StateCookie {
  public:
-  static constexpr size_t kCookieSize = 37;
+  static constexpr size_t kCookieSize = 45;
 
-  StateCookie(VerificationTag initiate_tag,
-              TSN initial_tsn,
+  StateCookie(VerificationTag peer_tag,
+              VerificationTag my_tag,
+              TSN peer_initial_tsn,
+              TSN my_initial_tsn,
               uint32_t a_rwnd,
               TieTag tie_tag,
               Capabilities capabilities)
-      : initiate_tag_(initiate_tag),
-        initial_tsn_(initial_tsn),
+      : peer_tag_(peer_tag),
+        my_tag_(my_tag),
+        peer_initial_tsn_(peer_initial_tsn),
+        my_initial_tsn_(my_initial_tsn),
         a_rwnd_(a_rwnd),
         tie_tag_(tie_tag),
         capabilities_(capabilities) {}
@@ -47,15 +51,21 @@ class StateCookie {
   static absl::optional<StateCookie> Deserialize(
       rtc::ArrayView<const uint8_t> cookie);
 
-  VerificationTag initiate_tag() const { return initiate_tag_; }
-  TSN initial_tsn() const { return initial_tsn_; }
+  VerificationTag peer_tag() const { return peer_tag_; }
+  VerificationTag my_tag() const { return my_tag_; }
+  TSN peer_initial_tsn() const { return peer_initial_tsn_; }
+  TSN my_initial_tsn() const { return my_initial_tsn_; }
   uint32_t a_rwnd() const { return a_rwnd_; }
   TieTag tie_tag() const { return tie_tag_; }
   const Capabilities& capabilities() const { return capabilities_; }
 
  private:
-  const VerificationTag initiate_tag_;
-  const TSN initial_tsn_;
+  // Also called "Tag_A" in RFC4960.
+  const VerificationTag peer_tag_;
+  // Also called "Tag_Z" in RFC4960.
+  const VerificationTag my_tag_;
+  const TSN peer_initial_tsn_;
+  const TSN my_initial_tsn_;
   const uint32_t a_rwnd_;
   const TieTag tie_tag_;
   const Capabilities capabilities_;