Modified: websites/production/turbine/content/fulcrum/fulcrum-yaafi-crypto/apidocs/src-html/org/apache/fulcrum/jce/crypto/CryptoStreamFactoryImpl.html ============================================================================== --- websites/production/turbine/content/fulcrum/fulcrum-yaafi-crypto/apidocs/src-html/org/apache/fulcrum/jce/crypto/CryptoStreamFactoryImpl.html (original) +++ websites/production/turbine/content/fulcrum/fulcrum-yaafi-crypto/apidocs/src-html/org/apache/fulcrum/jce/crypto/CryptoStreamFactoryImpl.html Tue May 21 03:58:58 2019 @@ -1,332 +1,337 @@ -<HTML> -<BODY BGCOLOR="white"> -<PRE> -<FONT color="green">001</FONT> package org.apache.fulcrum.jce.crypto;<a name="line.1"></a> -<FONT color="green">002</FONT> <a name="line.2"></a> -<FONT color="green">003</FONT> /*<a name="line.3"></a> -<FONT color="green">004</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.4"></a> -<FONT color="green">005</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.5"></a> -<FONT color="green">006</FONT> * distributed with this work for additional information<a name="line.6"></a> -<FONT color="green">007</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.7"></a> -<FONT color="green">008</FONT> * to you under the Apache License, Version 2.0 (the<a name="line.8"></a> -<FONT color="green">009</FONT> * "License"); you may not use this file except in compliance<a name="line.9"></a> -<FONT color="green">010</FONT> * with the License. You may obtain a copy of the License at<a name="line.10"></a> -<FONT color="green">011</FONT> *<a name="line.11"></a> -<FONT color="green">012</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a> -<FONT color="green">013</FONT> *<a name="line.13"></a> -<FONT color="green">014</FONT> * Unless required by applicable law or agreed to in writing,<a name="line.14"></a> -<FONT color="green">015</FONT> * software distributed under the License is distributed on an<a name="line.15"></a> -<FONT color="green">016</FONT> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.16"></a> -<FONT color="green">017</FONT> * KIND, either express or implied. See the License for the<a name="line.17"></a> -<FONT color="green">018</FONT> * specific language governing permissions and limitations<a name="line.18"></a> -<FONT color="green">019</FONT> * under the License.<a name="line.19"></a> -<FONT color="green">020</FONT> */<a name="line.20"></a> -<FONT color="green">021</FONT> <a name="line.21"></a> -<FONT color="green">022</FONT> import java.io.IOException;<a name="line.22"></a> -<FONT color="green">023</FONT> import java.io.InputStream;<a name="line.23"></a> -<FONT color="green">024</FONT> import java.io.OutputStream;<a name="line.24"></a> -<FONT color="green">025</FONT> import java.security.GeneralSecurityException;<a name="line.25"></a> -<FONT color="green">026</FONT> import java.security.Key;<a name="line.26"></a> -<FONT color="green">027</FONT> <a name="line.27"></a> -<FONT color="green">028</FONT> import javax.crypto.Cipher;<a name="line.28"></a> -<FONT color="green">029</FONT> import javax.crypto.CipherInputStream;<a name="line.29"></a> -<FONT color="green">030</FONT> import javax.crypto.CipherOutputStream;<a name="line.30"></a> -<FONT color="green">031</FONT> import javax.crypto.SecretKeyFactory;<a name="line.31"></a> -<FONT color="green">032</FONT> import javax.crypto.spec.PBEKeySpec;<a name="line.32"></a> -<FONT color="green">033</FONT> import javax.crypto.spec.PBEParameterSpec;<a name="line.33"></a> -<FONT color="green">034</FONT> <a name="line.34"></a> -<FONT color="green">035</FONT> /**<a name="line.35"></a> -<FONT color="green">036</FONT> * Concrete factory for creating encrypting/decrypting streams. The<a name="line.36"></a> -<FONT color="green">037</FONT> * implementation uses the JCA (Java Crypto Extension) supplied<a name="line.37"></a> -<FONT color="green">038</FONT> * by SUN (using SunJCE 1.42).<a name="line.38"></a> -<FONT color="green">039</FONT> *<a name="line.39"></a> -<FONT color="green">040</FONT> * The implementation uses as PBEWithMD5AndDES for encryption which<a name="line.40"></a> -<FONT color="green">041</FONT> * should be sufficent for most applications.<a name="line.41"></a> -<FONT color="green">042</FONT> *<a name="line.42"></a> -<FONT color="green">043</FONT> * The implementation also supplies a default password in the case that<a name="line.43"></a> -<FONT color="green">044</FONT> * the programmer don't want to have additional hassles. It is easy to<a name="line.44"></a> -<FONT color="green">045</FONT> * reengineer the password being used but much better than a hard-coded<a name="line.45"></a> -<FONT color="green">046</FONT> * password in the application.<a name="line.46"></a> -<FONT color="green">047</FONT> *<a name="line.47"></a> -<FONT color="green">048</FONT> * The code uses parts from Markus Hahn's Blowfish library found at<a name="line.48"></a> -<FONT color="green">049</FONT> * http://blowfishj.sourceforge.net/<a name="line.49"></a> -<FONT color="green">050</FONT> *<a name="line.50"></a> -<FONT color="green">051</FONT> * @author <a href="mailto:[email protected]">Siegfried Goeschl </a><a name="line.51"></a> -<FONT color="green">052</FONT> * @author <a href="mailto:[email protected]">Markus Hahn</a><a name="line.52"></a> -<FONT color="green">053</FONT> */<a name="line.53"></a> -<FONT color="green">054</FONT> <a name="line.54"></a> -<FONT color="green">055</FONT> public final class CryptoStreamFactoryImpl implements CryptoStreamFactory<a name="line.55"></a> -<FONT color="green">056</FONT> {<a name="line.56"></a> -<FONT color="green">057</FONT> /** the salt for the PBE algorithm */<a name="line.57"></a> -<FONT color="green">058</FONT> private byte[] salt;<a name="line.58"></a> -<FONT color="green">059</FONT> <a name="line.59"></a> -<FONT color="green">060</FONT> /** the count paramter for the PBE algorithm */<a name="line.60"></a> -<FONT color="green">061</FONT> private int count;<a name="line.61"></a> -<FONT color="green">062</FONT> <a name="line.62"></a> -<FONT color="green">063</FONT> /** the name of the JCE provider */<a name="line.63"></a> -<FONT color="green">064</FONT> private String providerName;<a name="line.64"></a> -<FONT color="green">065</FONT> <a name="line.65"></a> -<FONT color="green">066</FONT> /** the algorithm to use */<a name="line.66"></a> -<FONT color="green">067</FONT> private String algorithm;<a name="line.67"></a> -<FONT color="green">068</FONT> <a name="line.68"></a> -<FONT color="green">069</FONT> /** the default instance */<a name="line.69"></a> -<FONT color="green">070</FONT> private static CryptoStreamFactory instance;<a name="line.70"></a> -<FONT color="green">071</FONT> <a name="line.71"></a> -<FONT color="green">072</FONT> /**<a name="line.72"></a> -<FONT color="green">073</FONT> * The JCE provider name known to work. If the value<a name="line.73"></a> -<FONT color="green">074</FONT> * is set to null an appropriate provider will be<a name="line.74"></a> -<FONT color="green">075</FONT> * used.<a name="line.75"></a> -<FONT color="green">076</FONT> */<a name="line.76"></a> -<FONT color="green">077</FONT> private static final String PROVIDERNAME = null;<a name="line.77"></a> -<FONT color="green">078</FONT> <a name="line.78"></a> -<FONT color="green">079</FONT> /**<a name="line.79"></a> -<FONT color="green">080</FONT> * Factory method to get a default instance<a name="line.80"></a> -<FONT color="green">081</FONT> * @return an instance of the CryptoStreamFactory<a name="line.81"></a> -<FONT color="green">082</FONT> */<a name="line.82"></a> -<FONT color="green">083</FONT> public synchronized static CryptoStreamFactory getInstance()<a name="line.83"></a> -<FONT color="green">084</FONT> {<a name="line.84"></a> -<FONT color="green">085</FONT> if( CryptoStreamFactoryImpl.instance == null )<a name="line.85"></a> -<FONT color="green">086</FONT> {<a name="line.86"></a> -<FONT color="green">087</FONT> CryptoStreamFactoryImpl.instance = new CryptoStreamFactoryImpl();<a name="line.87"></a> -<FONT color="green">088</FONT> }<a name="line.88"></a> -<FONT color="green">089</FONT> <a name="line.89"></a> -<FONT color="green">090</FONT> return CryptoStreamFactoryImpl.instance;<a name="line.90"></a> -<FONT color="green">091</FONT> }<a name="line.91"></a> -<FONT color="green">092</FONT> <a name="line.92"></a> -<FONT color="green">093</FONT> /**<a name="line.93"></a> -<FONT color="green">094</FONT> * Set the default instance from an external application.<a name="line.94"></a> -<FONT color="green">095</FONT> * @param instance the new default instance<a name="line.95"></a> -<FONT color="green">096</FONT> */<a name="line.96"></a> -<FONT color="green">097</FONT> public static void setInstance( CryptoStreamFactory instance )<a name="line.97"></a> -<FONT color="green">098</FONT> {<a name="line.98"></a> -<FONT color="green">099</FONT> CryptoStreamFactoryImpl.instance = instance;<a name="line.99"></a> -<FONT color="green">100</FONT> }<a name="line.100"></a> -<FONT color="green">101</FONT> <a name="line.101"></a> -<FONT color="green">102</FONT> /**<a name="line.102"></a> -<FONT color="green">103</FONT> * Constructor<a name="line.103"></a> -<FONT color="green">104</FONT> */<a name="line.104"></a> -<FONT color="green">105</FONT> public CryptoStreamFactoryImpl()<a name="line.105"></a> -<FONT color="green">106</FONT> {<a name="line.106"></a> -<FONT color="green">107</FONT> this.salt = CryptoParameters.SALT;<a name="line.107"></a> -<FONT color="green">108</FONT> this.count = CryptoParameters.COUNT;<a name="line.108"></a> -<FONT color="green">109</FONT> this.providerName = PROVIDERNAME;<a name="line.109"></a> -<FONT color="green">110</FONT> this.algorithm = CryptoParameters.ALGORITHM;<a name="line.110"></a> -<FONT color="green">111</FONT> }<a name="line.111"></a> -<FONT color="green">112</FONT> <a name="line.112"></a> -<FONT color="green">113</FONT> /**<a name="line.113"></a> -<FONT color="green">114</FONT> * Constructor<a name="line.114"></a> -<FONT color="green">115</FONT> *<a name="line.115"></a> -<FONT color="green">116</FONT> * @param salt the salt for the PBE algorithm<a name="line.116"></a> -<FONT color="green">117</FONT> * @param count the iteration for PBEParameterSpec<a name="line.117"></a> -<FONT color="green">118</FONT> */<a name="line.118"></a> -<FONT color="green">119</FONT> public CryptoStreamFactoryImpl( byte[] salt, int count)<a name="line.119"></a> -<FONT color="green">120</FONT> {<a name="line.120"></a> -<FONT color="green">121</FONT> this.salt = salt;<a name="line.121"></a> -<FONT color="green">122</FONT> this.count = count;<a name="line.122"></a> -<FONT color="green">123</FONT> this.providerName = PROVIDERNAME;<a name="line.123"></a> -<FONT color="green">124</FONT> this.algorithm = CryptoParameters.ALGORITHM;<a name="line.124"></a> -<FONT color="green">125</FONT> }<a name="line.125"></a> -<FONT color="green">126</FONT> <a name="line.126"></a> -<FONT color="green">127</FONT> <a name="line.127"></a> -<FONT color="green">128</FONT> /**<a name="line.128"></a> -<FONT color="green">129</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream, String)<a name="line.129"></a> -<FONT color="green">130</FONT> */<a name="line.130"></a> -<FONT color="green">131</FONT> public InputStream getInputStream(InputStream is, String decryptionMode) throws GeneralSecurityException, IOException {<a name="line.131"></a> -<FONT color="green">132</FONT> <a name="line.132"></a> -<FONT color="green">133</FONT> InputStream result = null;<a name="line.133"></a> -<FONT color="green">134</FONT> <a name="line.134"></a> -<FONT color="green">135</FONT> if( "auto".equalsIgnoreCase(decryptionMode) )<a name="line.135"></a> -<FONT color="green">136</FONT> {<a name="line.136"></a> -<FONT color="green">137</FONT> result = CryptoStreamFactoryImpl.getInstance().getSmartInputStream(is);<a name="line.137"></a> -<FONT color="green">138</FONT> }<a name="line.138"></a> -<FONT color="green">139</FONT> else if( "true".equalsIgnoreCase(decryptionMode) )<a name="line.139"></a> -<FONT color="green">140</FONT> {<a name="line.140"></a> -<FONT color="green">141</FONT> result = CryptoStreamFactoryImpl.getInstance().getInputStream(is);<a name="line.141"></a> -<FONT color="green">142</FONT> }<a name="line.142"></a> -<FONT color="green">143</FONT> else<a name="line.143"></a> -<FONT color="green">144</FONT> {<a name="line.144"></a> -<FONT color="green">145</FONT> result = is;<a name="line.145"></a> -<FONT color="green">146</FONT> }<a name="line.146"></a> -<FONT color="green">147</FONT> return result;<a name="line.147"></a> -<FONT color="green">148</FONT> }<a name="line.148"></a> -<FONT color="green">149</FONT> <a name="line.149"></a> -<FONT color="green">150</FONT> /**<a name="line.150"></a> -<FONT color="green">151</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream, String, char[])<a name="line.151"></a> -<FONT color="green">152</FONT> */<a name="line.152"></a> -<FONT color="green">153</FONT> public InputStream getInputStream(InputStream is, String decryptionMode, char[] password) throws GeneralSecurityException, IOException {<a name="line.153"></a> -<FONT color="green">154</FONT> <a name="line.154"></a> -<FONT color="green">155</FONT> InputStream result = null;<a name="line.155"></a> -<FONT color="green">156</FONT> <a name="line.156"></a> -<FONT color="green">157</FONT> if( "auto".equalsIgnoreCase(decryptionMode) )<a name="line.157"></a> -<FONT color="green">158</FONT> {<a name="line.158"></a> -<FONT color="green">159</FONT> result = CryptoStreamFactoryImpl.getInstance().getSmartInputStream(is, password);<a name="line.159"></a> -<FONT color="green">160</FONT> }<a name="line.160"></a> -<FONT color="green">161</FONT> else if( "true".equalsIgnoreCase(decryptionMode) )<a name="line.161"></a> -<FONT color="green">162</FONT> {<a name="line.162"></a> -<FONT color="green">163</FONT> result = CryptoStreamFactoryImpl.getInstance().getInputStream(is, password);<a name="line.163"></a> -<FONT color="green">164</FONT> }<a name="line.164"></a> -<FONT color="green">165</FONT> else<a name="line.165"></a> -<FONT color="green">166</FONT> {<a name="line.166"></a> -<FONT color="green">167</FONT> result = is;<a name="line.167"></a> -<FONT color="green">168</FONT> }<a name="line.168"></a> -<FONT color="green">169</FONT> return result;<a name="line.169"></a> -<FONT color="green">170</FONT> }<a name="line.170"></a> -<FONT color="green">171</FONT> <a name="line.171"></a> -<FONT color="green">172</FONT> /**<a name="line.172"></a> -<FONT color="green">173</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream)<a name="line.173"></a> -<FONT color="green">174</FONT> */<a name="line.174"></a> -<FONT color="green">175</FONT> public InputStream getInputStream( InputStream is )<a name="line.175"></a> -<FONT color="green">176</FONT> throws GeneralSecurityException, IOException<a name="line.176"></a> -<FONT color="green">177</FONT> {<a name="line.177"></a> -<FONT color="green">178</FONT> Cipher cipher = this.createCipher( Cipher.DECRYPT_MODE, PasswordFactory.create() );<a name="line.178"></a> -<FONT color="green">179</FONT> return new CipherInputStream( is, cipher );<a name="line.179"></a> -<FONT color="green">180</FONT> }<a name="line.180"></a> -<FONT color="green">181</FONT> <a name="line.181"></a> -<FONT color="green">182</FONT> /**<a name="line.182"></a> -<FONT color="green">183</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream,char[])<a name="line.183"></a> -<FONT color="green">184</FONT> */<a name="line.184"></a> -<FONT color="green">185</FONT> public InputStream getInputStream( InputStream is, char[] password )<a name="line.185"></a> -<FONT color="green">186</FONT> throws GeneralSecurityException, IOException<a name="line.186"></a> -<FONT color="green">187</FONT> {<a name="line.187"></a> -<FONT color="green">188</FONT> Cipher cipher = this.createCipher( Cipher.DECRYPT_MODE, password );<a name="line.188"></a> -<FONT color="green">189</FONT> return new CipherInputStream( is, cipher );<a name="line.189"></a> -<FONT color="green">190</FONT> }<a name="line.190"></a> -<FONT color="green">191</FONT> <a name="line.191"></a> -<FONT color="green">192</FONT> /**<a name="line.192"></a> -<FONT color="green">193</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getSmartInputStream(java.io.InputStream)<a name="line.193"></a> -<FONT color="green">194</FONT> */<a name="line.194"></a> -<FONT color="green">195</FONT> public InputStream getSmartInputStream(InputStream is)<a name="line.195"></a> -<FONT color="green">196</FONT> throws GeneralSecurityException, IOException<a name="line.196"></a> -<FONT color="green">197</FONT> {<a name="line.197"></a> -<FONT color="green">198</FONT> return this.getSmartInputStream(<a name="line.198"></a> -<FONT color="green">199</FONT> is,<a name="line.199"></a> -<FONT color="green">200</FONT> PasswordFactory.create()<a name="line.200"></a> -<FONT color="green">201</FONT> );<a name="line.201"></a> -<FONT color="green">202</FONT> }<a name="line.202"></a> -<FONT color="green">203</FONT> <a name="line.203"></a> -<FONT color="green">204</FONT> /**<a name="line.204"></a> -<FONT color="green">205</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getSmartInputStream(java.io.InputStream,char[])<a name="line.205"></a> -<FONT color="green">206</FONT> */<a name="line.206"></a> -<FONT color="green">207</FONT> public InputStream getSmartInputStream(InputStream is, char[] password )<a name="line.207"></a> -<FONT color="green">208</FONT> throws GeneralSecurityException, IOException<a name="line.208"></a> -<FONT color="green">209</FONT> {<a name="line.209"></a> -<FONT color="green">210</FONT> SmartDecryptingInputStream result;<a name="line.210"></a> -<FONT color="green">211</FONT> <a name="line.211"></a> -<FONT color="green">212</FONT> result = new SmartDecryptingInputStream(<a name="line.212"></a> -<FONT color="green">213</FONT> getInstance(),<a name="line.213"></a> -<FONT color="green">214</FONT> is,<a name="line.214"></a> -<FONT color="green">215</FONT> password<a name="line.215"></a> -<FONT color="green">216</FONT> );<a name="line.216"></a> -<FONT color="green">217</FONT> <a name="line.217"></a> -<FONT color="green">218</FONT> return result;<a name="line.218"></a> -<FONT color="green">219</FONT> }<a name="line.219"></a> -<FONT color="green">220</FONT> <a name="line.220"></a> -<FONT color="green">221</FONT> /**<a name="line.221"></a> -<FONT color="green">222</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getOutputStream(java.io.OutputStream)<a name="line.222"></a> -<FONT color="green">223</FONT> */<a name="line.223"></a> -<FONT color="green">224</FONT> public OutputStream getOutputStream( OutputStream os )<a name="line.224"></a> -<FONT color="green">225</FONT> throws GeneralSecurityException, IOException<a name="line.225"></a> -<FONT color="green">226</FONT> {<a name="line.226"></a> -<FONT color="green">227</FONT> Cipher cipher = this.createCipher( Cipher.ENCRYPT_MODE, PasswordFactory.create() );<a name="line.227"></a> -<FONT color="green">228</FONT> return new CipherOutputStream( os, cipher ); }<a name="line.228"></a> -<FONT color="green">229</FONT> <a name="line.229"></a> -<FONT color="green">230</FONT> /**<a name="line.230"></a> -<FONT color="green">231</FONT> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getOutputStream(java.io.OutputStream, char[])<a name="line.231"></a> -<FONT color="green">232</FONT> */<a name="line.232"></a> -<FONT color="green">233</FONT> public OutputStream getOutputStream( OutputStream os, char[] password )<a name="line.233"></a> -<FONT color="green">234</FONT> throws GeneralSecurityException, IOException<a name="line.234"></a> -<FONT color="green">235</FONT> {<a name="line.235"></a> -<FONT color="green">236</FONT> Cipher cipher = this.createCipher( Cipher.ENCRYPT_MODE, password );<a name="line.236"></a> -<FONT color="green">237</FONT> return new CipherOutputStream( os, cipher );<a name="line.237"></a> -<FONT color="green">238</FONT> }<a name="line.238"></a> -<FONT color="green">239</FONT> <a name="line.239"></a> -<FONT color="green">240</FONT> /**<a name="line.240"></a> -<FONT color="green">241</FONT> * @return Returns the algorithm.<a name="line.241"></a> -<FONT color="green">242</FONT> */<a name="line.242"></a> -<FONT color="green">243</FONT> private String getAlgorithm()<a name="line.243"></a> -<FONT color="green">244</FONT> {<a name="line.244"></a> -<FONT color="green">245</FONT> return algorithm;<a name="line.245"></a> -<FONT color="green">246</FONT> }<a name="line.246"></a> -<FONT color="green">247</FONT> <a name="line.247"></a> -<FONT color="green">248</FONT> /**<a name="line.248"></a> -<FONT color="green">249</FONT> * @return Returns the count.<a name="line.249"></a> -<FONT color="green">250</FONT> */<a name="line.250"></a> -<FONT color="green">251</FONT> private int getCount()<a name="line.251"></a> -<FONT color="green">252</FONT> {<a name="line.252"></a> -<FONT color="green">253</FONT> return count;<a name="line.253"></a> -<FONT color="green">254</FONT> }<a name="line.254"></a> -<FONT color="green">255</FONT> <a name="line.255"></a> -<FONT color="green">256</FONT> /**<a name="line.256"></a> -<FONT color="green">257</FONT> * @return Returns the providerName.<a name="line.257"></a> -<FONT color="green">258</FONT> */<a name="line.258"></a> -<FONT color="green">259</FONT> private String getProviderName()<a name="line.259"></a> -<FONT color="green">260</FONT> {<a name="line.260"></a> -<FONT color="green">261</FONT> return providerName;<a name="line.261"></a> -<FONT color="green">262</FONT> }<a name="line.262"></a> -<FONT color="green">263</FONT> <a name="line.263"></a> -<FONT color="green">264</FONT> /**<a name="line.264"></a> -<FONT color="green">265</FONT> * @return Returns the salt.<a name="line.265"></a> -<FONT color="green">266</FONT> */<a name="line.266"></a> -<FONT color="green">267</FONT> private byte [] getSalt()<a name="line.267"></a> -<FONT color="green">268</FONT> {<a name="line.268"></a> -<FONT color="green">269</FONT> return salt;<a name="line.269"></a> -<FONT color="green">270</FONT> }<a name="line.270"></a> -<FONT color="green">271</FONT> <a name="line.271"></a> -<FONT color="green">272</FONT> /**<a name="line.272"></a> -<FONT color="green">273</FONT> * Create a PBE key.<a name="line.273"></a> -<FONT color="green">274</FONT> *<a name="line.274"></a> -<FONT color="green">275</FONT> * @param password the password to use.<a name="line.275"></a> -<FONT color="green">276</FONT> * @return the key<a name="line.276"></a> -<FONT color="green">277</FONT> * @throws GeneralSecurityException creating the key failed<a name="line.277"></a> -<FONT color="green">278</FONT> */<a name="line.278"></a> -<FONT color="green">279</FONT> private Key createKey( char[] password )<a name="line.279"></a> -<FONT color="green">280</FONT> throws GeneralSecurityException<a name="line.280"></a> -<FONT color="green">281</FONT> {<a name="line.281"></a> -<FONT color="green">282</FONT> SecretKeyFactory keyFactory;<a name="line.282"></a> -<FONT color="green">283</FONT> String algorithm = this.getAlgorithm();<a name="line.283"></a> -<FONT color="green">284</FONT> PBEKeySpec keySpec = new PBEKeySpec(password);<a name="line.284"></a> -<FONT color="green">285</FONT> <a name="line.285"></a> -<FONT color="green">286</FONT> if( this.getProviderName() == null )<a name="line.286"></a> -<FONT color="green">287</FONT> {<a name="line.287"></a> -<FONT color="green">288</FONT> keyFactory = SecretKeyFactory.getInstance( algorithm );<a name="line.288"></a> -<FONT color="green">289</FONT> }<a name="line.289"></a> -<FONT color="green">290</FONT> else<a name="line.290"></a> -<FONT color="green">291</FONT> {<a name="line.291"></a> -<FONT color="green">292</FONT> keyFactory = SecretKeyFactory.getInstance( algorithm, this.getProviderName() );<a name="line.292"></a> -<FONT color="green">293</FONT> }<a name="line.293"></a> -<FONT color="green">294</FONT> <a name="line.294"></a> -<FONT color="green">295</FONT> return keyFactory.generateSecret(keySpec);<a name="line.295"></a> -<FONT color="green">296</FONT> }<a name="line.296"></a> -<FONT color="green">297</FONT> <a name="line.297"></a> -<FONT color="green">298</FONT> /**<a name="line.298"></a> -<FONT color="green">299</FONT> * Create a Cipher.<a name="line.299"></a> -<FONT color="green">300</FONT> *<a name="line.300"></a> -<FONT color="green">301</FONT> * @param mode the cipher mode<a name="line.301"></a> -<FONT color="green">302</FONT> * @param password the password<a name="line.302"></a> -<FONT color="green">303</FONT> * @return an instance of a cipher<a name="line.303"></a> -<FONT color="green">304</FONT> * @throws GeneralSecurityException creating a cipher failed<a name="line.304"></a> -<FONT color="green">305</FONT> * @throws IOException creating a cipher failed<a name="line.305"></a> -<FONT color="green">306</FONT> */<a name="line.306"></a> -<FONT color="green">307</FONT> private Cipher createCipher( int mode, char[] password )<a name="line.307"></a> -<FONT color="green">308</FONT> throws GeneralSecurityException, IOException<a name="line.308"></a> -<FONT color="green">309</FONT> {<a name="line.309"></a> -<FONT color="green">310</FONT> Cipher cipher;<a name="line.310"></a> -<FONT color="green">311</FONT> PBEParameterSpec paramSpec = new PBEParameterSpec( this.getSalt(), this.getCount() );<a name="line.311"></a> -<FONT color="green">312</FONT> Key key = this.createKey( password );<a name="line.312"></a> -<FONT color="green">313</FONT> <a name="line.313"></a> -<FONT color="green">314</FONT> if( this.getProviderName() == null )<a name="line.314"></a> -<FONT color="green">315</FONT> {<a name="line.315"></a> -<FONT color="green">316</FONT> cipher = Cipher.getInstance( this.getAlgorithm() );<a name="line.316"></a> -<FONT color="green">317</FONT> }<a name="line.317"></a> -<FONT color="green">318</FONT> else<a name="line.318"></a> -<FONT color="green">319</FONT> {<a name="line.319"></a> -<FONT color="green">320</FONT> cipher = Cipher.getInstance( this.getAlgorithm(), this.getProviderName() );<a name="line.320"></a> -<FONT color="green">321</FONT> }<a name="line.321"></a> -<FONT color="green">322</FONT> <a name="line.322"></a> -<FONT color="green">323</FONT> cipher.init( mode, key, paramSpec );<a name="line.323"></a> -<FONT color="green">324</FONT> return cipher;<a name="line.324"></a> -<FONT color="green">325</FONT> }<a name="line.325"></a> -<FONT color="green">326</FONT> }<a name="line.326"></a> +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span>package org.apache.fulcrum.jce.crypto;<a name="line.1"></a> +<span class="sourceLineNo">002</span><a name="line.2"></a> +<span class="sourceLineNo">003</span>/*<a name="line.3"></a> +<span class="sourceLineNo">004</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.4"></a> +<span class="sourceLineNo">005</span> * or more contributor license agreements. See the NOTICE file<a name="line.5"></a> +<span class="sourceLineNo">006</span> * distributed with this work for additional information<a name="line.6"></a> +<span class="sourceLineNo">007</span> * regarding copyright ownership. The ASF licenses this file<a name="line.7"></a> +<span class="sourceLineNo">008</span> * to you under the Apache License, Version 2.0 (the<a name="line.8"></a> +<span class="sourceLineNo">009</span> * "License"); you may not use this file except in compliance<a name="line.9"></a> +<span class="sourceLineNo">010</span> * with the License. You may obtain a copy of the License at<a name="line.10"></a> +<span class="sourceLineNo">011</span> *<a name="line.11"></a> +<span class="sourceLineNo">012</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a> +<span class="sourceLineNo">013</span> *<a name="line.13"></a> +<span class="sourceLineNo">014</span> * Unless required by applicable law or agreed to in writing,<a name="line.14"></a> +<span class="sourceLineNo">015</span> * software distributed under the License is distributed on an<a name="line.15"></a> +<span class="sourceLineNo">016</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.16"></a> +<span class="sourceLineNo">017</span> * KIND, either express or implied. See the License for the<a name="line.17"></a> +<span class="sourceLineNo">018</span> * specific language governing permissions and limitations<a name="line.18"></a> +<span class="sourceLineNo">019</span> * under the License.<a name="line.19"></a> +<span class="sourceLineNo">020</span> */<a name="line.20"></a> +<span class="sourceLineNo">021</span><a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.io.InputStream;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.io.OutputStream;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.security.GeneralSecurityException;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import java.security.Key;<a name="line.26"></a> +<span class="sourceLineNo">027</span><a name="line.27"></a> +<span class="sourceLineNo">028</span>import javax.crypto.Cipher;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import javax.crypto.CipherInputStream;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import javax.crypto.CipherOutputStream;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import javax.crypto.SecretKeyFactory;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import javax.crypto.spec.PBEKeySpec;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import javax.crypto.spec.PBEParameterSpec;<a name="line.33"></a> +<span class="sourceLineNo">034</span><a name="line.34"></a> +<span class="sourceLineNo">035</span>/**<a name="line.35"></a> +<span class="sourceLineNo">036</span> * Concrete factory for creating encrypting/decrypting streams. The<a name="line.36"></a> +<span class="sourceLineNo">037</span> * implementation uses the JCA (Java Crypto Extension) supplied<a name="line.37"></a> +<span class="sourceLineNo">038</span> * by SUN (using SunJCE 1.42).<a name="line.38"></a> +<span class="sourceLineNo">039</span> *<a name="line.39"></a> +<span class="sourceLineNo">040</span> * The implementation uses as PBEWithMD5AndDES for encryption which<a name="line.40"></a> +<span class="sourceLineNo">041</span> * should be sufficent for most applications.<a name="line.41"></a> +<span class="sourceLineNo">042</span> *<a name="line.42"></a> +<span class="sourceLineNo">043</span> * The implementation also supplies a default password in the case that<a name="line.43"></a> +<span class="sourceLineNo">044</span> * the programmer don't want to have additional hassles. It is easy to<a name="line.44"></a> +<span class="sourceLineNo">045</span> * reengineer the password being used but much better than a hard-coded<a name="line.45"></a> +<span class="sourceLineNo">046</span> * password in the application.<a name="line.46"></a> +<span class="sourceLineNo">047</span> *<a name="line.47"></a> +<span class="sourceLineNo">048</span> * The code uses parts from Markus Hahn's Blowfish library found at<a name="line.48"></a> +<span class="sourceLineNo">049</span> * http://blowfishj.sourceforge.net/<a name="line.49"></a> +<span class="sourceLineNo">050</span> *<a name="line.50"></a> +<span class="sourceLineNo">051</span> * @author <a href="mailto:[email protected]">Siegfried Goeschl </a><a name="line.51"></a> +<span class="sourceLineNo">052</span> * @author <a href="mailto:[email protected]">Markus Hahn</a><a name="line.52"></a> +<span class="sourceLineNo">053</span> */<a name="line.53"></a> +<span class="sourceLineNo">054</span><a name="line.54"></a> +<span class="sourceLineNo">055</span>public final class CryptoStreamFactoryImpl implements CryptoStreamFactory<a name="line.55"></a> +<span class="sourceLineNo">056</span>{<a name="line.56"></a> +<span class="sourceLineNo">057</span> /** the salt for the PBE algorithm */<a name="line.57"></a> +<span class="sourceLineNo">058</span> private byte[] salt;<a name="line.58"></a> +<span class="sourceLineNo">059</span><a name="line.59"></a> +<span class="sourceLineNo">060</span> /** the count paramter for the PBE algorithm */<a name="line.60"></a> +<span class="sourceLineNo">061</span> private int count;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span> /** the name of the JCE provider */<a name="line.63"></a> +<span class="sourceLineNo">064</span> private String providerName;<a name="line.64"></a> +<span class="sourceLineNo">065</span><a name="line.65"></a> +<span class="sourceLineNo">066</span> /** the algorithm to use */<a name="line.66"></a> +<span class="sourceLineNo">067</span> private String algorithm;<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> /** the default instance */<a name="line.69"></a> +<span class="sourceLineNo">070</span> private static CryptoStreamFactory instance;<a name="line.70"></a> +<span class="sourceLineNo">071</span><a name="line.71"></a> +<span class="sourceLineNo">072</span> /**<a name="line.72"></a> +<span class="sourceLineNo">073</span> * The JCE provider name known to work. If the value<a name="line.73"></a> +<span class="sourceLineNo">074</span> * is set to null an appropriate provider will be<a name="line.74"></a> +<span class="sourceLineNo">075</span> * used.<a name="line.75"></a> +<span class="sourceLineNo">076</span> */<a name="line.76"></a> +<span class="sourceLineNo">077</span> private static final String PROVIDERNAME = null;<a name="line.77"></a> +<span class="sourceLineNo">078</span><a name="line.78"></a> +<span class="sourceLineNo">079</span> /**<a name="line.79"></a> +<span class="sourceLineNo">080</span> * Factory method to get a default instance<a name="line.80"></a> +<span class="sourceLineNo">081</span> * @return an instance of the CryptoStreamFactory<a name="line.81"></a> +<span class="sourceLineNo">082</span> */<a name="line.82"></a> +<span class="sourceLineNo">083</span> public synchronized static CryptoStreamFactory getInstance()<a name="line.83"></a> +<span class="sourceLineNo">084</span> {<a name="line.84"></a> +<span class="sourceLineNo">085</span> if( CryptoStreamFactoryImpl.instance == null )<a name="line.85"></a> +<span class="sourceLineNo">086</span> {<a name="line.86"></a> +<span class="sourceLineNo">087</span> CryptoStreamFactoryImpl.instance = new CryptoStreamFactoryImpl();<a name="line.87"></a> +<span class="sourceLineNo">088</span> }<a name="line.88"></a> +<span class="sourceLineNo">089</span><a name="line.89"></a> +<span class="sourceLineNo">090</span> return CryptoStreamFactoryImpl.instance;<a name="line.90"></a> +<span class="sourceLineNo">091</span> }<a name="line.91"></a> +<span class="sourceLineNo">092</span><a name="line.92"></a> +<span class="sourceLineNo">093</span> /**<a name="line.93"></a> +<span class="sourceLineNo">094</span> * Set the default instance from an external application.<a name="line.94"></a> +<span class="sourceLineNo">095</span> * @param instance the new default instance<a name="line.95"></a> +<span class="sourceLineNo">096</span> */<a name="line.96"></a> +<span class="sourceLineNo">097</span> public static void setInstance( CryptoStreamFactory instance )<a name="line.97"></a> +<span class="sourceLineNo">098</span> {<a name="line.98"></a> +<span class="sourceLineNo">099</span> CryptoStreamFactoryImpl.instance = instance;<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> /**<a name="line.102"></a> +<span class="sourceLineNo">103</span> * Constructor<a name="line.103"></a> +<span class="sourceLineNo">104</span> */<a name="line.104"></a> +<span class="sourceLineNo">105</span> public CryptoStreamFactoryImpl()<a name="line.105"></a> +<span class="sourceLineNo">106</span> {<a name="line.106"></a> +<span class="sourceLineNo">107</span> this.salt = CryptoParameters.SALT;<a name="line.107"></a> +<span class="sourceLineNo">108</span> this.count = CryptoParameters.COUNT;<a name="line.108"></a> +<span class="sourceLineNo">109</span> this.providerName = PROVIDERNAME;<a name="line.109"></a> +<span class="sourceLineNo">110</span> this.algorithm = CryptoParameters.ALGORITHM;<a name="line.110"></a> +<span class="sourceLineNo">111</span> }<a name="line.111"></a> +<span class="sourceLineNo">112</span><a name="line.112"></a> +<span class="sourceLineNo">113</span> /**<a name="line.113"></a> +<span class="sourceLineNo">114</span> * Constructor<a name="line.114"></a> +<span class="sourceLineNo">115</span> *<a name="line.115"></a> +<span class="sourceLineNo">116</span> * @param salt the salt for the PBE algorithm<a name="line.116"></a> +<span class="sourceLineNo">117</span> * @param count the iteration for PBEParameterSpec<a name="line.117"></a> +<span class="sourceLineNo">118</span> */<a name="line.118"></a> +<span class="sourceLineNo">119</span> public CryptoStreamFactoryImpl( byte[] salt, int count)<a name="line.119"></a> +<span class="sourceLineNo">120</span> {<a name="line.120"></a> +<span class="sourceLineNo">121</span> this.salt = salt;<a name="line.121"></a> +<span class="sourceLineNo">122</span> this.count = count;<a name="line.122"></a> +<span class="sourceLineNo">123</span> this.providerName = PROVIDERNAME;<a name="line.123"></a> +<span class="sourceLineNo">124</span> this.algorithm = CryptoParameters.ALGORITHM;<a name="line.124"></a> +<span class="sourceLineNo">125</span> }<a name="line.125"></a> +<span class="sourceLineNo">126</span><a name="line.126"></a> +<span class="sourceLineNo">127</span><a name="line.127"></a> +<span class="sourceLineNo">128</span> /**<a name="line.128"></a> +<span class="sourceLineNo">129</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream, String)<a name="line.129"></a> +<span class="sourceLineNo">130</span> */<a name="line.130"></a> +<span class="sourceLineNo">131</span> public InputStream getInputStream(InputStream is, String decryptionMode) throws GeneralSecurityException, IOException {<a name="line.131"></a> +<span class="sourceLineNo">132</span><a name="line.132"></a> +<span class="sourceLineNo">133</span> InputStream result = null;<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span> if( "auto".equalsIgnoreCase(decryptionMode) )<a name="line.135"></a> +<span class="sourceLineNo">136</span> {<a name="line.136"></a> +<span class="sourceLineNo">137</span> result = CryptoStreamFactoryImpl.getInstance().getSmartInputStream(is);<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span> else if( "true".equalsIgnoreCase(decryptionMode) )<a name="line.139"></a> +<span class="sourceLineNo">140</span> {<a name="line.140"></a> +<span class="sourceLineNo">141</span> result = CryptoStreamFactoryImpl.getInstance().getInputStream(is);<a name="line.141"></a> +<span class="sourceLineNo">142</span> }<a name="line.142"></a> +<span class="sourceLineNo">143</span> else<a name="line.143"></a> +<span class="sourceLineNo">144</span> {<a name="line.144"></a> +<span class="sourceLineNo">145</span> result = is;<a name="line.145"></a> +<span class="sourceLineNo">146</span> }<a name="line.146"></a> +<span class="sourceLineNo">147</span> return result;<a name="line.147"></a> +<span class="sourceLineNo">148</span> }<a name="line.148"></a> +<span class="sourceLineNo">149</span><a name="line.149"></a> +<span class="sourceLineNo">150</span> /**<a name="line.150"></a> +<span class="sourceLineNo">151</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream, String, char[])<a name="line.151"></a> +<span class="sourceLineNo">152</span> */<a name="line.152"></a> +<span class="sourceLineNo">153</span> public InputStream getInputStream(InputStream is, String decryptionMode, char[] password) throws GeneralSecurityException, IOException {<a name="line.153"></a> +<span class="sourceLineNo">154</span><a name="line.154"></a> +<span class="sourceLineNo">155</span> InputStream result = null;<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> if( "auto".equalsIgnoreCase(decryptionMode) )<a name="line.157"></a> +<span class="sourceLineNo">158</span> {<a name="line.158"></a> +<span class="sourceLineNo">159</span> result = CryptoStreamFactoryImpl.getInstance().getSmartInputStream(is, password);<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span> else if( "true".equalsIgnoreCase(decryptionMode) )<a name="line.161"></a> +<span class="sourceLineNo">162</span> {<a name="line.162"></a> +<span class="sourceLineNo">163</span> result = CryptoStreamFactoryImpl.getInstance().getInputStream(is, password);<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span> else<a name="line.165"></a> +<span class="sourceLineNo">166</span> {<a name="line.166"></a> +<span class="sourceLineNo">167</span> result = is;<a name="line.167"></a> +<span class="sourceLineNo">168</span> }<a name="line.168"></a> +<span class="sourceLineNo">169</span> return result;<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> /**<a name="line.172"></a> +<span class="sourceLineNo">173</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream)<a name="line.173"></a> +<span class="sourceLineNo">174</span> */<a name="line.174"></a> +<span class="sourceLineNo">175</span> public InputStream getInputStream( InputStream is )<a name="line.175"></a> +<span class="sourceLineNo">176</span> throws GeneralSecurityException, IOException<a name="line.176"></a> +<span class="sourceLineNo">177</span> {<a name="line.177"></a> +<span class="sourceLineNo">178</span> Cipher cipher = this.createCipher( Cipher.DECRYPT_MODE, PasswordFactory.create() );<a name="line.178"></a> +<span class="sourceLineNo">179</span> return new CipherInputStream( is, cipher );<a name="line.179"></a> +<span class="sourceLineNo">180</span> }<a name="line.180"></a> +<span class="sourceLineNo">181</span><a name="line.181"></a> +<span class="sourceLineNo">182</span> /**<a name="line.182"></a> +<span class="sourceLineNo">183</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getInputStream(java.io.InputStream,char[])<a name="line.183"></a> +<span class="sourceLineNo">184</span> */<a name="line.184"></a> +<span class="sourceLineNo">185</span> public InputStream getInputStream( InputStream is, char[] password )<a name="line.185"></a> +<span class="sourceLineNo">186</span> throws GeneralSecurityException, IOException<a name="line.186"></a> +<span class="sourceLineNo">187</span> {<a name="line.187"></a> +<span class="sourceLineNo">188</span> Cipher cipher = this.createCipher( Cipher.DECRYPT_MODE, password );<a name="line.188"></a> +<span class="sourceLineNo">189</span> return new CipherInputStream( is, cipher );<a name="line.189"></a> +<span class="sourceLineNo">190</span> }<a name="line.190"></a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span> /**<a name="line.192"></a> +<span class="sourceLineNo">193</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getSmartInputStream(java.io.InputStream)<a name="line.193"></a> +<span class="sourceLineNo">194</span> */<a name="line.194"></a> +<span class="sourceLineNo">195</span> public InputStream getSmartInputStream(InputStream is)<a name="line.195"></a> +<span class="sourceLineNo">196</span> throws GeneralSecurityException, IOException<a name="line.196"></a> +<span class="sourceLineNo">197</span> {<a name="line.197"></a> +<span class="sourceLineNo">198</span> return this.getSmartInputStream(<a name="line.198"></a> +<span class="sourceLineNo">199</span> is,<a name="line.199"></a> +<span class="sourceLineNo">200</span> PasswordFactory.create()<a name="line.200"></a> +<span class="sourceLineNo">201</span> );<a name="line.201"></a> +<span class="sourceLineNo">202</span> }<a name="line.202"></a> +<span class="sourceLineNo">203</span><a name="line.203"></a> +<span class="sourceLineNo">204</span> /**<a name="line.204"></a> +<span class="sourceLineNo">205</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getSmartInputStream(java.io.InputStream,char[])<a name="line.205"></a> +<span class="sourceLineNo">206</span> */<a name="line.206"></a> +<span class="sourceLineNo">207</span> public InputStream getSmartInputStream(InputStream is, char[] password )<a name="line.207"></a> +<span class="sourceLineNo">208</span> throws GeneralSecurityException, IOException<a name="line.208"></a> +<span class="sourceLineNo">209</span> {<a name="line.209"></a> +<span class="sourceLineNo">210</span> SmartDecryptingInputStream result;<a name="line.210"></a> +<span class="sourceLineNo">211</span><a name="line.211"></a> +<span class="sourceLineNo">212</span> result = new SmartDecryptingInputStream(<a name="line.212"></a> +<span class="sourceLineNo">213</span> getInstance(),<a name="line.213"></a> +<span class="sourceLineNo">214</span> is,<a name="line.214"></a> +<span class="sourceLineNo">215</span> password<a name="line.215"></a> +<span class="sourceLineNo">216</span> );<a name="line.216"></a> +<span class="sourceLineNo">217</span><a name="line.217"></a> +<span class="sourceLineNo">218</span> return result;<a name="line.218"></a> +<span class="sourceLineNo">219</span> }<a name="line.219"></a> +<span class="sourceLineNo">220</span><a name="line.220"></a> +<span class="sourceLineNo">221</span> /**<a name="line.221"></a> +<span class="sourceLineNo">222</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getOutputStream(java.io.OutputStream)<a name="line.222"></a> +<span class="sourceLineNo">223</span> */<a name="line.223"></a> +<span class="sourceLineNo">224</span> public OutputStream getOutputStream( OutputStream os )<a name="line.224"></a> +<span class="sourceLineNo">225</span> throws GeneralSecurityException, IOException<a name="line.225"></a> +<span class="sourceLineNo">226</span> {<a name="line.226"></a> +<span class="sourceLineNo">227</span> Cipher cipher = this.createCipher( Cipher.ENCRYPT_MODE, PasswordFactory.create() );<a name="line.227"></a> +<span class="sourceLineNo">228</span> return new CipherOutputStream( os, cipher ); }<a name="line.228"></a> +<span class="sourceLineNo">229</span><a name="line.229"></a> +<span class="sourceLineNo">230</span> /**<a name="line.230"></a> +<span class="sourceLineNo">231</span> * @see org.apache.fulcrum.jce.crypto.CryptoStreamFactory#getOutputStream(java.io.OutputStream, char[])<a name="line.231"></a> +<span class="sourceLineNo">232</span> */<a name="line.232"></a> +<span class="sourceLineNo">233</span> public OutputStream getOutputStream( OutputStream os, char[] password )<a name="line.233"></a> +<span class="sourceLineNo">234</span> throws GeneralSecurityException, IOException<a name="line.234"></a> +<span class="sourceLineNo">235</span> {<a name="line.235"></a> +<span class="sourceLineNo">236</span> Cipher cipher = this.createCipher( Cipher.ENCRYPT_MODE, password );<a name="line.236"></a> +<span class="sourceLineNo">237</span> return new CipherOutputStream( os, cipher );<a name="line.237"></a> +<span class="sourceLineNo">238</span> }<a name="line.238"></a> +<span class="sourceLineNo">239</span><a name="line.239"></a> +<span class="sourceLineNo">240</span> /**<a name="line.240"></a> +<span class="sourceLineNo">241</span> * @return Returns the algorithm.<a name="line.241"></a> +<span class="sourceLineNo">242</span> */<a name="line.242"></a> +<span class="sourceLineNo">243</span> private String getAlgorithm()<a name="line.243"></a> +<span class="sourceLineNo">244</span> {<a name="line.244"></a> +<span class="sourceLineNo">245</span> return algorithm;<a name="line.245"></a> +<span class="sourceLineNo">246</span> }<a name="line.246"></a> +<span class="sourceLineNo">247</span><a name="line.247"></a> +<span class="sourceLineNo">248</span> /**<a name="line.248"></a> +<span class="sourceLineNo">249</span> * @return Returns the count.<a name="line.249"></a> +<span class="sourceLineNo">250</span> */<a name="line.250"></a> +<span class="sourceLineNo">251</span> private int getCount()<a name="line.251"></a> +<span class="sourceLineNo">252</span> {<a name="line.252"></a> +<span class="sourceLineNo">253</span> return count;<a name="line.253"></a> +<span class="sourceLineNo">254</span> }<a name="line.254"></a> +<span class="sourceLineNo">255</span><a name="line.255"></a> +<span class="sourceLineNo">256</span> /**<a name="line.256"></a> +<span class="sourceLineNo">257</span> * @return Returns the providerName.<a name="line.257"></a> +<span class="sourceLineNo">258</span> */<a name="line.258"></a> +<span class="sourceLineNo">259</span> private String getProviderName()<a name="line.259"></a> +<span class="sourceLineNo">260</span> {<a name="line.260"></a> +<span class="sourceLineNo">261</span> return providerName;<a name="line.261"></a> +<span class="sourceLineNo">262</span> }<a name="line.262"></a> +<span class="sourceLineNo">263</span><a name="line.263"></a> +<span class="sourceLineNo">264</span> /**<a name="line.264"></a> +<span class="sourceLineNo">265</span> * @return Returns the salt.<a name="line.265"></a> +<span class="sourceLineNo">266</span> */<a name="line.266"></a> +<span class="sourceLineNo">267</span> private byte [] getSalt()<a name="line.267"></a> +<span class="sourceLineNo">268</span> {<a name="line.268"></a> +<span class="sourceLineNo">269</span> return salt;<a name="line.269"></a> +<span class="sourceLineNo">270</span> }<a name="line.270"></a> +<span class="sourceLineNo">271</span><a name="line.271"></a> +<span class="sourceLineNo">272</span> /**<a name="line.272"></a> +<span class="sourceLineNo">273</span> * Create a PBE key.<a name="line.273"></a> +<span class="sourceLineNo">274</span> *<a name="line.274"></a> +<span class="sourceLineNo">275</span> * @param password the password to use.<a name="line.275"></a> +<span class="sourceLineNo">276</span> * @return the key<a name="line.276"></a> +<span class="sourceLineNo">277</span> * @throws GeneralSecurityException creating the key failed<a name="line.277"></a> +<span class="sourceLineNo">278</span> */<a name="line.278"></a> +<span class="sourceLineNo">279</span> private Key createKey( char[] password )<a name="line.279"></a> +<span class="sourceLineNo">280</span> throws GeneralSecurityException<a name="line.280"></a> +<span class="sourceLineNo">281</span> {<a name="line.281"></a> +<span class="sourceLineNo">282</span> SecretKeyFactory keyFactory;<a name="line.282"></a> +<span class="sourceLineNo">283</span> String algorithm = this.getAlgorithm();<a name="line.283"></a> +<span class="sourceLineNo">284</span> PBEKeySpec keySpec = new PBEKeySpec(password);<a name="line.284"></a> +<span class="sourceLineNo">285</span><a name="line.285"></a> +<span class="sourceLineNo">286</span> if( this.getProviderName() == null )<a name="line.286"></a> +<span class="sourceLineNo">287</span> {<a name="line.287"></a> +<span class="sourceLineNo">288</span> keyFactory = SecretKeyFactory.getInstance( algorithm );<a name="line.288"></a> +<span class="sourceLineNo">289</span> }<a name="line.289"></a> +<span class="sourceLineNo">290</span> else<a name="line.290"></a> +<span class="sourceLineNo">291</span> {<a name="line.291"></a> +<span class="sourceLineNo">292</span> keyFactory = SecretKeyFactory.getInstance( algorithm, this.getProviderName() );<a name="line.292"></a> +<span class="sourceLineNo">293</span> }<a name="line.293"></a> +<span class="sourceLineNo">294</span><a name="line.294"></a> +<span class="sourceLineNo">295</span> return keyFactory.generateSecret(keySpec);<a name="line.295"></a> +<span class="sourceLineNo">296</span> }<a name="line.296"></a> +<span class="sourceLineNo">297</span><a name="line.297"></a> +<span class="sourceLineNo">298</span> /**<a name="line.298"></a> +<span class="sourceLineNo">299</span> * Create a Cipher.<a name="line.299"></a> +<span class="sourceLineNo">300</span> *<a name="line.300"></a> +<span class="sourceLineNo">301</span> * @param mode the cipher mode<a name="line.301"></a> +<span class="sourceLineNo">302</span> * @param password the password<a name="line.302"></a> +<span class="sourceLineNo">303</span> * @return an instance of a cipher<a name="line.303"></a> +<span class="sourceLineNo">304</span> * @throws GeneralSecurityException creating a cipher failed<a name="line.304"></a> +<span class="sourceLineNo">305</span> * @throws IOException creating a cipher failed<a name="line.305"></a> +<span class="sourceLineNo">306</span> */<a name="line.306"></a> +<span class="sourceLineNo">307</span> private Cipher createCipher( int mode, char[] password )<a name="line.307"></a> +<span class="sourceLineNo">308</span> throws GeneralSecurityException, IOException<a name="line.308"></a> +<span class="sourceLineNo">309</span> {<a name="line.309"></a> +<span class="sourceLineNo">310</span> Cipher cipher;<a name="line.310"></a> +<span class="sourceLineNo">311</span> PBEParameterSpec paramSpec = new PBEParameterSpec( this.getSalt(), this.getCount() );<a name="line.311"></a> +<span class="sourceLineNo">312</span> Key key = this.createKey( password );<a name="line.312"></a> +<span class="sourceLineNo">313</span><a name="line.313"></a> +<span class="sourceLineNo">314</span> if( this.getProviderName() == null )<a name="line.314"></a> +<span class="sourceLineNo">315</span> {<a name="line.315"></a> +<span class="sourceLineNo">316</span> cipher = Cipher.getInstance( this.getAlgorithm() );<a name="line.316"></a> +<span class="sourceLineNo">317</span> }<a name="line.317"></a> +<span class="sourceLineNo">318</span> else<a name="line.318"></a> +<span class="sourceLineNo">319</span> {<a name="line.319"></a> +<span class="sourceLineNo">320</span> cipher = Cipher.getInstance( this.getAlgorithm(), this.getProviderName() );<a name="line.320"></a> +<span class="sourceLineNo">321</span> }<a name="line.321"></a> +<span class="sourceLineNo">322</span><a name="line.322"></a> +<span class="sourceLineNo">323</span> cipher.init( mode, key, paramSpec );<a name="line.323"></a> +<span class="sourceLineNo">324</span> return cipher;<a name="line.324"></a> +<span class="sourceLineNo">325</span> }<a name="line.325"></a> +<span class="sourceLineNo">326</span>}<a name="line.326"></a> @@ -387,6 +392,7 @@ -</PRE> -</BODY> -</HTML> +</pre> +</div> +</body> +</html> \ No newline at end of file
