Name: krC82822 Date: 02/07/2001


java version "1.3.0_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0_01)
Java HotSpot(TM) Client VM (build 1.3.0_01, mixed mode)


Compile and run:

import javax.crypto.Cipher;
import javax.crypto.NullCipher;

public class tjce {

  public tjce() {
    try {
      Cipher cipher = new NullCipher();
      cipher.init(Cipher.DECRYPT_MODE, (java.security.Key) null);
    } catch (Exception e) {
      e.printStackTrace();
      return;
    }
    System.out.println("NullCipher works");
  }

  public static void main(String args[]) {
    tjce t = new tjce();
  }
}

Using SunJCE we get:
java.lang.UnsupportedOperationException
        at javax.crypto.CipherSpi.engineGetKeySize([DashoPro-V1.2-120198])
        at javax.crypto.Cipher.init([DashoPro-V1.2-120198])
        at tjce.<init>(tjce.java:9)
        at tjce.main(tjce.java:18)

According to the API docs, the provider needs to override engineGetKeySize.
(Review ID: 113143)
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