import java.io.*;
import java.util.*;
import java.awt.* ;
import java.security.*;


public class SecProviders extends java.applet.Applet
{

  public void init() {
  }  // end init()


  public String getSecurityProviders() {
	StringBuffer strbuff = new StringBuffer(10000) ;   //typical size of buffer to hold html string output
        try {
            Provider p[] = Security.getProviders();
	  strbuff.append("<table border=1 cellpadding=3>");
            for (int i = 0; i < p.length; i++) {
		strbuff.append("<tr><td bgcolor=blue colspan=2><font size=+1 color=yellow><b>" + p[i] + "&nbsp;&nbsp;&nbsp;&nbsp;" + p[i].getClass().getName() + "</b></font></tr>\r\n") ;
                for (Enumeration e = p[i].keys(); e.hasMoreElements();) {
		    String key = (String) e.nextElement() ;
		   strbuff.append("<tr><td>" + key + "</td><td>" + p[i].getProperty(key) + "</td></tr>\r\n") ;
		}
            }
	  strbuff.append("</table>\r\n") ;
	  return strbuff.toString();
        }
        catch (Exception e) {
          return e.toString();
        }
  }


}