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From "Vladimir Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-720) [classlib][security]java.security.Signature.initSign(PrivateKey key) throws unspecified NPE if key is invalid
Date Fri, 30 Jun 2006 12:45:29 GMT
[classlib][security]java.security.Signature.initSign(PrivateKey key) throws unspecified NPE
if key is invalid
-------------------------------------------------------------------------------------------------------------

         Key: HARMONY-720
         URL: http://issues.apache.org/jira/browse/HARMONY-720
     Project: Harmony
        Type: Bug

  Components: Classlib  
    Reporter: Vladimir Ivanov


java.security.Signature.initSign(PrivateKey key) throws unspecified NPE if key is invalid.
According to 1.5 spec method must throw only InvalidKeyException.
======================= test.java =========================
import java.security.*;
import java.security.interfaces.RSAPrivateCrtKey;
import java.math.BigInteger;

public class test  {
    public static void main (String[] args) {             
        try {
            Signature sig = Signature.getInstance("SHA1withRSA");
            sig.initSign(new testRSAPrivateCrtKey());                      
        } catch (Exception e) {
            e.printStackTrace();
        }   
    } 
}

class testRSAPrivateCrtKey implements RSAPrivateCrtKey {
    public BigInteger getCrtCoefficient() {
        return null;
    }
    public BigInteger getPrimeP() {
        return null;
    }
    public BigInteger getPrimeQ() {
        return null;
    }
    public BigInteger getPrimeExponentP() {
        return null;
    }
    public BigInteger getPrimeExponentQ() {
        return null;
    }
    public BigInteger getPublicExponent() {
        return null;
    }
    public BigInteger getPrivateExponent() {
        return null;
    }
    public String getAlgorithm() {
        return "AA";
    }
    public String getFormat() {
        return "AA";
    }
    public byte[] getEncoded() {
        return null;
    }
    public BigInteger getModulus() {
        return null;
    }
}
=======================================================

Output:
C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -showversion test
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System optimized
over throughput (initial strategy singleparpar))

java.security.InvalidKeyException: Not an RSA key: AA
        at sun.security.rsa.RSAKeyFactory.checkKey(RSAKeyFactory.java:103)
        at sun.security.rsa.RSAKeyFactory.toRSAKey(RSAKeyFactory.java:76)
        at sun.security.rsa.RSASignature.engineInitSign(RSASignature.java:90)
        at sun.security.rsa.RSASignature.engineInitSign(RSASignature.java:84)
        at java.security.Signature$Delegate.init(Signature.java:1076)
        at java.security.Signature$Delegate.chooseProvider(Signature.java:1036)
        at java.security.Signature$Delegate.engineInitSign(Signature.java:1100)
        at java.security.Signature.initSign(Signature.java:485)
        at test.main(test.java:9)

C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -showversion test
java version 1.5 (subset)

(c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
java.lang.NullPointerException
        at org.bouncycastle.crypto.engines.RSAEngine.init(Unknown Source)
        at org.bouncycastle.crypto.encodings.PKCS1Encoding.init(Unknown Source)
        at org.bouncycastle.jce.provider.JDKDigestSignature.engineInitSign(Unknown Source)
        at java.security.Signature.initSign(Signature.java:223)
        at test.main(test.java:9)


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