"Cannot find any provider supporting RSA/ECB/PKCS1Padding" in jdk5
i use SSLSocket, HttpsURLConnection in program , run well in jdk1.4 but
get wrong in jdk1.5.0_06, saying "Cannot find any provider supporting RSA/ECB/PKCS1Padding".
i also try to use the "Unlimited Strength Jurisdiction Policy Files 5.0", but still not work.
anyone knows why?
thanks.
I need more info to tell you exactly. But here are some thngs that might not be working.
1st let me say I am assuming you are trying RSA encryption?
1) You have an external JCE provider which provides RSA support installed on your machine using the security properties file. An applet would use a different properties file if you are using either RAW applet or the plugin. You need to add the provider explictly. Aka Security.addProvider(new org.cryptix.jce.Criptix());
2) The external provider's jar file is not being downloaded with your applet code. Note that the Sun Java plugin does not use the same jre/lib/ext directory as does the JDK.
3) Some sort of security violation in the SecurityManager of the applet engine if you are not using the Sun Java Plugin.
Those are just guesses. but it might help if you were to inform us as to what RSA function youa re trying to do. AKA Signature or Cipher.
Signatures would be a bit more complicated as at least JDK 141 and above have the SunRsaSigner built in. Again if you are using RAW applets (netscape/IE engine) then that would be the problem. (aka no provider installed).
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Java.security.NoSuchAlgorithmException: Cannot find any provider supporting
Why I got following error:
java.security.NoSuchAlgorithmException: Cannot find any provider supporting DESede/ECB/PKCS5Padding
at javax.crypto.Cipher.getInstance(DashoA6275)
at helpdesk.connection.ChangeSecurity.initDecrypt(ChangeSecurity.java:125)
at helpdesk.connection.DbConnection.createPools(DbConnection.java:171)
at helpdesk.connection.DbConnection.init(DbConnection.java:209)
at helpdesk.connection.DbConnection.(DbConnection.java:49)
at helpdesk.connection.DbConnection.getInstance(DbConnection.java:39)
at helpdesk.db.db_user.getUser(db_user.java:596)
at _0002fLoginCheck_0002ejspLoginCheck_jsp_5._jspService(_0002fLoginCheck_0002ejspLoginCheck_jsp_5.java:208)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.java:174)
at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java:369)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:156)
at org.apache.tomcat.service.TcpWorkerThread.run(PoolTcpEndpoint.java:366)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:411)
at java.lang.Thread.run(Thread.java:534)
java.lang.SecurityException: The provider SunJCE may not be signed by a trusted party
at javax.crypto.SunJCE_b.a(DashoA6275)
at javax.crypto.Cipher.a(DashoA6275)
at javax.crypto.Cipher.getInstance(DashoA6275)
at helpdesk.connection.ChangeSecurity.initDecrypt(ChangeSecurity.java:127)
at helpdesk.connection.DbConnection.createPools(DbConnection.java:171)
at helpdesk.connection.DbConnection.init(DbConnection.java:209)
at helpdesk.connection.DbConnection.(DbConnection.java:49)
at helpdesk.connection.DbConnection.getInstance(DbConnection.java:39)
at helpdesk.db.db_user.getUser(db_user.java:596)
at _0002fLoginCheck_0002ejspLoginCheck_jsp_5._jspService(_0002fLoginCheck_0002ejspLoginCheck_jsp_5.java:208)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.runtime.JspServlet$JspServletWrapper.service(JspServlet.java:174)
at org.apache.jasper.runtime.JspServlet.serviceJspFile(JspServlet.java:261)
at org.apache.jasper.runtime.JspServlet.service(JspServlet.java:369)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.handleRequest(ServletWrapper.java:503)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:559)
& nbsp; at org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection(Ajp12ConnectionHandler.java:156)
at org.apache.tomcat.service.TcpWorkerThread.run(PoolTcpEndpoint.java:366)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:411)
at java.lang.Thread.run(Thread.java:534)this is my code
public String initEncrypt ( String s) throws Exception
String plaintext = s;
String rs = "";
Provider sunJCE = null;
//Class providerClass = Class.forName ("com.sun.crypto.provider.SunJCE");
// Security.addProvider ( (Provider)providerClass.newInstance() );
//Security.addProvider(
// new com.sun.crypto.provider.SunJCE());
Provider[] providers = Security.getProviders();
for (int i = 0; i < providers.length; i++)
System.out.println("===>"+providers);
try
ObjectInputStream in = new ObjectInputStream(new FileInputStream(FILE_PATH));
key = (Key) in.readObject();
in.close();
catch(FileNotFoundException fn)
//try
KeyGenerator keyGenerator = KeyGenerator.getInstance ( "DESede");
keyGenerator.init(168);
key = keyGenerator.generateKey();
ObjectOutputStream out = new ObjectOutputStream( new FileOutputStream (FILE_PATH));
out.writeObject(key);
out.close();
//} catch ( Exception ex )
// ex.printStackTrace();
try
//chipher ������ ������
cipher = javax.crypto.Cipher.getInstance("DESede/ECB/PKCS5Padding");
cipher.init ( Cipher.ENCRYPT_MODE, key );
String encrypted = encryptStringBase64 ( plaintext );
rs = encrypted;
}catch ( NoSuchAlgorithmException aaa )
aaa.printStackTrace();
}catch ( Exception ex )
ex.printStackTrace();
return rs;Crossposted, with answers:
http://stackoverflow.com/questions/10193567/java-security-nosuchalgorithmexception-cannot-find-any-provider-supporting-aes -
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