1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_ 6 #define NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_ 7 8 // The UpdateConnectionTypeHistograms function collects statistics related 9 // to the number of MD5 certificates that our users are encountering. The 10 // information will help us decide when it is fine for browsers to stop 11 // supporting MD5 certificates, in light of the recent MD5 certificate 12 // collision attack (see "MD5 considered harmful today: Creating a rogue CA 13 // certificate" at http://www.win.tue.nl/hashclash/rogue-ca/). 14 15 namespace net { 16 17 enum ConnectionType { 18 CONNECTION_ANY = 0, // Any connection (SSL, HTTP, SPDY, etc) 19 CONNECTION_SSL = 1, // An SSL connection 20 // 2 - Reserved - Was CONNECTION_SSL_MD5 21 // 3 - Reserved - Was CONNECTION_SSL_MD2 22 // 4 - Reserved - Was CONNECTION_SSL_MD4 23 // 5 - Reserved - Was CONNECTION_SSL_MD5_CA 24 // 6 - Reserved - Was CONNECTION_SSL_MD2_CA 25 CONNECTION_HTTP = 7, // An HTTP connection 26 CONNECTION_SPDY = 8, // A SPDY connection 27 CONNECTION_SSL_SSL2 = 9, // An SSL connection that uses SSL 2.0 28 CONNECTION_SSL_SSL3 = 10, // An SSL connection that uses SSL 3.0 29 CONNECTION_SSL_TLS1 = 11, // An SSL connection that uses TLS 1.0 30 CONNECTION_SSL_TLS1_1 = 12, // An SSL connection that uses TLS 1.1 31 CONNECTION_SSL_TLS1_2 = 13, // An SSL connection that uses TLS 1.2 32 NUM_OF_CONNECTION_TYPES 33 }; 34 35 // Update the connection type histograms. |type| is the connection type. 36 void UpdateConnectionTypeHistograms(ConnectionType type); 37 38 } // namespace net 39 40 #endif // NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_ 41
