src/java.base/share/classes/sun/security/ssl/ExtensionType.java

*** 103,111 ****
--- 103,115 ----
  
      // extensions defined in RFC 6961
      static final ExtensionType EXT_STATUS_REQUEST_V2 =
              e(0x0011, "status_request_v2");      // IANA registry value: 17
  
+     // extensions defined in RFC 7627
+     static final ExtensionType EXT_EXTENDED_MASTER_SECRET =
+             e(0x0017, "extended_master_secret"); // IANA registry value: 23
+ 
      // extensions defined in RFC 5746
      static final ExtensionType EXT_RENEGOTIATION_INFO =
              e(0xff01, "renegotiation_info");     // IANA registry value: 65281
  }