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 #pragma once 8 9 // The UpdateConnectionTypeHistograms function collects statistics related 10 // to the number of MD5 certificates that our users are encountering. The 11 // information will help us decide when it is fine for browsers to stop 12 // supporting MD5 certificates, in light of the recent MD5 certificate 13 // collision attack (see "MD5 considered harmful today: Creating a rogue CA 14 // certificate" at http://www.win.tue.nl/hashclash/rogue-ca/). 15 16 namespace net { 17 18 enum ConnectionType { 19 CONNECTION_ANY = 0, // Any connection (SSL, HTTP, SPDY, etc) 20 CONNECTION_SSL = 1, // An SSL connection 21 CONNECTION_SSL_MD5 = 2, // An SSL connection with an MD5 certificate in 22 // the certificate chain (excluding root) 23 CONNECTION_SSL_MD2 = 3, // An SSL connection with an MD2 certificate in 24 // the certificate chain (excluding root) 25 CONNECTION_SSL_MD4 = 4, // An SSL connection with an MD4 certificate in 26 // the certificate chain (excluding root) 27 CONNECTION_SSL_MD5_CA = 5, // An SSL connection with an MD5 CA certificate 28 // in the certificate chain (excluding root) 29 CONNECTION_SSL_MD2_CA = 6, // An SSL connection with an MD2 CA certificate 30 // in the certificate chain (excluding root) 31 CONNECTION_HTTP = 7, // An HTTP connection 32 CONNECTION_SPDY = 8, // A SPDY connection 33 CONNECTION_SSL_SSL2 = 9, // An SSL connection that uses SSL 2.0 34 CONNECTION_SSL_SSL3 = 10, // An SSL connection that uses SSL 3.0 35 CONNECTION_SSL_TLS1 = 11, // An SSL connection that uses TLS 1.0 36 CONNECTION_SSL_TLS1_1 = 12, // An SSL connection that uses TLS 1.1 37 CONNECTION_SSL_TLS1_2 = 13, // An SSL connection that uses TLS 1.2 38 NUM_OF_CONNECTION_TYPES 39 }; 40 41 // Update the connection type histograms. |type| is the connection type. 42 void UpdateConnectionTypeHistograms(ConnectionType type); 43 44 } // namespace net 45 46 #endif // NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_ 47
