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1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package sun.security.ssl; |
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27 |
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28 import java.io.*; |
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29 import java.net.*; |
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30 import javax.net.ssl.SSLSocketFactory; |
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31 |
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32 |
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33 /** |
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34 * Implementation of an SSL socket factory. This provides the public |
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35 * hooks to create SSL sockets, using a "high level" programming |
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36 * interface which encapsulates system security policy defaults rather than |
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37 * offering application flexibility. In particular, it uses a configurable |
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38 * authentication context (and the keys held there) rather than offering |
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39 * any flexibility about which keys to use; that context defaults to the |
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40 * process-default context, but may be explicitly specified. |
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41 * |
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42 * @author David Brownell |
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43 */ |
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44 final public class SSLSocketFactoryImpl extends SSLSocketFactory { |
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45 |
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46 private SSLContextImpl context; |
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47 |
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48 /** |
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49 * Constructor used to instantiate the default factory. This method is |
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50 * only called if the old "ssl.SocketFactory.provider" property in the |
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51 * java.security file is set. |
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52 */ |
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53 public SSLSocketFactoryImpl() throws Exception { |
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54 this.context = SSLContextImpl.DefaultSSLContext.getDefaultImpl(); |
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55 } |
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56 |
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57 /** |
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58 * Constructs an SSL socket factory. |
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59 */ |
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60 SSLSocketFactoryImpl(SSLContextImpl context) { |
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61 this.context = context; |
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62 } |
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63 |
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64 /** |
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65 * Creates an unconnected socket. |
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66 * |
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67 * @return the unconnected socket |
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68 * @see java.net.Socket#connect(java.net.SocketAddress, int) |
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69 */ |
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70 @Override |
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71 public Socket createSocket() { |
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72 return new SSLSocketImpl(context); |
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73 } |
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74 |
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75 /** |
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76 * Constructs an SSL connection to a named host at a specified port. |
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77 * This acts as the SSL client, and may authenticate itself or rejoin |
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78 * existing SSL sessions allowed by the authentication context which |
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79 * has been configured. |
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80 * |
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81 * @param host name of the host with which to connect |
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82 * @param port number of the server's port |
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83 */ |
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84 @Override |
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85 public Socket createSocket(String host, int port) |
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86 throws IOException, UnknownHostException |
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87 { |
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88 return new SSLSocketImpl(context, host, port); |
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89 } |
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90 |
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91 /** |
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92 * Returns a socket layered over an existing socket to a |
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93 * ServerSocket on the named host, at the given port. This |
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94 * constructor can be used when tunneling SSL through a proxy. The |
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95 * host and port refer to the logical destination server. This |
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96 * socket is configured using the socket options established for |
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97 * this factory. |
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98 * |
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99 * @param s the existing socket |
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100 * @param host the server host |
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101 * @param port the server port |
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102 * @param autoClose close the underlying socket when this socket is closed |
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103 * |
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104 * @exception IOException if the connection can't be established |
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105 * @exception UnknownHostException if the host is not known |
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106 */ |
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107 @Override |
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108 public Socket createSocket(Socket s, String host, int port, |
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109 boolean autoClose) throws IOException { |
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110 return new SSLSocketImpl(context, s, host, port, autoClose); |
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111 } |
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112 |
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113 @Override |
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114 public Socket createSocket(Socket s, InputStream consumed, |
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115 boolean autoClose) throws IOException { |
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116 if (s == null) { |
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117 throw new NullPointerException( |
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118 "the existing socket cannot be null"); |
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119 } |
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120 |
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121 return new SSLSocketImpl(context, s, consumed, autoClose); |
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122 } |
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123 |
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124 /** |
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125 * Constructs an SSL connection to a server at a specified address |
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126 * and TCP port. This acts as the SSL client, and may authenticate |
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127 * itself or rejoin existing SSL sessions allowed by the authentication |
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128 * context which has been configured. |
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129 * |
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130 * @param address the server's host |
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131 * @param port its port |
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132 */ |
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133 @Override |
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134 public Socket createSocket(InetAddress address, int port) |
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135 throws IOException |
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136 { |
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137 return new SSLSocketImpl(context, address, port); |
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138 } |
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139 |
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140 |
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141 /** |
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142 * Constructs an SSL connection to a named host at a specified port. |
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143 * This acts as the SSL client, and may authenticate itself or rejoin |
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144 * existing SSL sessions allowed by the authentication context which |
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145 * has been configured. The socket will also bind() to the local |
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146 * address and port supplied. |
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147 */ |
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148 @Override |
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149 public Socket createSocket(String host, int port, |
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150 InetAddress clientAddress, int clientPort) |
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151 throws IOException |
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152 { |
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153 return new SSLSocketImpl(context, host, port, |
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154 clientAddress, clientPort); |
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155 } |
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156 |
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157 /** |
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158 * Constructs an SSL connection to a server at a specified address |
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159 * and TCP port. This acts as the SSL client, and may authenticate |
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160 * itself or rejoin existing SSL sessions allowed by the authentication |
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161 * context which has been configured. The socket will also bind() to |
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162 * the local address and port supplied. |
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163 */ |
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164 @Override |
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165 public Socket createSocket(InetAddress address, int port, |
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166 InetAddress clientAddress, int clientPort) |
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167 throws IOException |
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168 { |
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169 return new SSLSocketImpl(context, address, port, |
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170 clientAddress, clientPort); |
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171 } |
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172 |
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173 |
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174 /** |
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175 * Returns the subset of the supported cipher suites which are |
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176 * enabled by default. These cipher suites all provide a minimum |
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177 * quality of service whereby the server authenticates itself |
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178 * (preventing person-in-the-middle attacks) and where traffic |
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179 * is encrypted to provide confidentiality. |
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180 */ |
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181 @Override |
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182 public String[] getDefaultCipherSuites() { |
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183 return context.getDefaultCipherSuiteList(false).toStringArray(); |
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184 } |
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185 |
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186 /** |
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187 * Returns the names of the cipher suites which could be enabled for use |
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188 * on an SSL connection. Normally, only a subset of these will actually |
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189 * be enabled by default, since this list may include cipher suites which |
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190 * do not support the mutual authentication of servers and clients, or |
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191 * which do not protect data confidentiality. Servers may also need |
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192 * certain kinds of certificates to use certain cipher suites. |
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193 */ |
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194 @Override |
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195 public String[] getSupportedCipherSuites() { |
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196 return context.getSupportedCipherSuiteList().toStringArray(); |
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197 } |
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198 } |