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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_
#define NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_
// The UpdateConnectionTypeHistograms function collects statistics related
// to the number of MD5 certificates that our users are encountering. The
// information will help us decide when it is fine for browsers to stop
// supporting MD5 certificates, in light of the recent MD5 certificate
// collision attack (see "MD5 considered harmful today: Creating a rogue CA
// certificate" at http://www.win.tue.nl/hashclash/rogue-ca/).
namespace net {
enum ConnectionType {
CONNECTION_ANY = 0, // Any connection (SSL, HTTP, SPDY, etc)
CONNECTION_SSL = 1, // An SSL connection
CONNECTION_SSL_MD5 = 2, // An SSL connection with an MD5 certificate in
// the certificate chain (excluding root)
CONNECTION_SSL_MD2 = 3, // An SSL connection with an MD2 certificate in
// the certificate chain (excluding root)
CONNECTION_SSL_MD4 = 4, // An SSL connection with an MD4 certificate in
// the certificate chain (excluding root)
CONNECTION_SSL_MD5_CA = 5, // An SSL connection with an MD5 CA certificate
// in the certificate chain (excluding root)
CONNECTION_SSL_MD2_CA = 6, // An SSL connection with an MD2 CA certificate
// in the certificate chain (excluding root)
CONNECTION_HTTP = 7, // An HTTP connection
CONNECTION_SPDY = 8, // A SPDY connection
CONNECTION_SSL_SSL2 = 9, // An SSL connection that uses SSL 2.0
CONNECTION_SSL_SSL3 = 10, // An SSL connection that uses SSL 3.0
CONNECTION_SSL_TLS1 = 11, // An SSL connection that uses TLS 1.0
CONNECTION_SSL_TLS1_1 = 12, // An SSL connection that uses TLS 1.1
CONNECTION_SSL_TLS1_2 = 13, // An SSL connection that uses TLS 1.2
NUM_OF_CONNECTION_TYPES
};
// Update the connection type histograms. |type| is the connection type.
void UpdateConnectionTypeHistograms(ConnectionType type);
} // namespace net
#endif // NET_BASE_CONNECTION_TYPE_HISTOGRAMS_H_
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