Hi,
Sorry to place this question here, JCE does not jave any mailing list, and i am
having trouble making JCE 1.2.1 work. Can any body help me? thanks.
i have place all the jar files into the jre/lib/ext directory
edited the /jre/lib/secutirty/java.security and added the line
security.provider.2=com.sun.crypto.provider.SunJCE
Tried to complie this code:
import javax.crypto.*;
class test
{
public static void main(String[] args)
{
try
{
KeyGenerator keygen = KeyGenerator.getInstance("DES");
SecretKey desKey = keygen.generateKey();
Cipher desCipher;
desCipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
desCipher.init(Cipher.ENCRYPT_MODE, desKey);
byte[] cleartext = args[0].getBytes();
byte[] ciphertext = desCipher.doFinal(cleartext);
System.out.println("Clear Text:"+cleartext);
System.out.println("Cipher Text:"+ciphertext);
desCipher.init(Cipher.DECRYPT_MODE, desKey);
byte[] cleartext1 = desCipher.doFinal(ciphertext);
System.out.println("DeCipher Text:"+cleartext1);
}
catch(Exception e)
{
System.out.println(e);
}
}
}
Compilation no problem, when running "java test hello" the following error
occured:
java.lang.SecurityException: Cannot authenticate JCE framework
java.lang.SecurityException: The JCE framework has unsigned class files.
Where did i go wrong? Please help me.... It's urgent for me to finish this
ASAP.
Jack
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