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From "Sebb (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (COMMONSSITE-70) org.apache.harmony.security.asn1 throwing null pointer exception
Date Thu, 22 Mar 2012 09:46:22 GMT

     [ https://issues.apache.org/jira/browse/COMMONSSITE-70?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sebb resolved COMMONSSITE-70.
-----------------------------

       Resolution: Invalid
    Fix Version/s:     (was: 19)

This is definitely not a COMMONSSITE issue, and does not appear to be an Apache Commons issue.

There is no sign of any Apache Commons packages being used here.

It seems to be an Android issue; please post on the appropriate Android forum and ask there.
                
> org.apache.harmony.security.asn1 throwing null pointer exception
> ----------------------------------------------------------------
>
>                 Key: COMMONSSITE-70
>                 URL: https://issues.apache.org/jira/browse/COMMONSSITE-70
>             Project: Commons All
>          Issue Type: Bug
>          Components: Commons Build
>    Affects Versions: 19
>         Environment: Android application development.
>            Reporter: Srijan Basu
>              Labels: mentor
>   Original Estimate: 12h
>  Remaining Estimate: 12h
>
> I am trying to parse a .cer certificate issued by Thwate(find it attacthed).I am getting
a null pointer exception while parsing the certificate.But I am able to parse other .cer certificates
without any problem.
> package com.ams;
> import android.app.Activity;
> import android.os.Bundle;
> import android.util.Log;
> import com.ams.certparser.CertificateParserUtil;
> public class CertificateParserTestActivity extends Activity {
> 	/** Called when the activity is first created. */
> 	private static String TAG = "CertificateParserTestActivity";
> 	@Override
> 	public void onCreate(Bundle savedInstanceState) {
> 		super.onCreate(savedInstanceState);
> 		setContentView(R.layout.main);
> 		CertificateParserUtil certParserUtil = new CertificateParserUtil(
> 				"sdcard/Thwate.cer","null");
> 		certParserUtil.parse(); 
> 	//	Log.i(TAG, "Type:" + certParserUtil.getCertType());
> 		Log.i(TAG, "Version:" + certParserUtil.getVersion());
> 		Log.i(TAG, "Basic Constraint Extensions:" + certParserUtil.getBasicConstraints());
> 		Log.i(TAG, "IssuerUniqueID:" + certParserUtil.getIssuerUniqueID());
> 		Log.i(TAG, "IssuerName:" + certParserUtil.getIssuerX500Principal());
> 		Log.i(TAG, "Public Key:"+ certParserUtil.getPublicKey());
> 		Log.i(TAG, "Issuer DN:" + certParserUtil.getIssuerDN());
> 		Log.i(TAG, "Subject:" + certParserUtil.getSubjectDN());
> 		Log.i(TAG, "Valid From:" + certParserUtil.getValidFrom());
> 		Log.i(TAG, "Valid Till:" + certParserUtil.getValidTill());
> 		Log.i(TAG, "Public Key:" + certParserUtil.getPublicKey().getAlgorithm());
> 		Log.i(TAG, "Serial Number:" + certParserUtil.getSerialNumber());
> 		Log.i(TAG, "Key:" + certParserUtil.getKeyUsage());
> 		Log.i(TAG, "Signature:" + certParserUtil.getSignature());
> 		Log.i(TAG, "SignSlgoName:" + certParserUtil.getSigAlgName());
> 		
> 			//Log.i(TAG, "Signature:" + certParserUtil.getTBSCertificate());
> 	}
> }
> package com.ams.certparser;
> import java.io.BufferedInputStream;
> import java.io.File;
> import java.io.FileInputStream;
> import java.io.FileNotFoundException;
> import java.io.IOException;
> import java.math.BigInteger;
> import java.security.KeyStore;
> import java.security.KeyStoreException;
> import java.security.NoSuchAlgorithmException;
> import java.security.Principal;
> import java.security.PublicKey;
> import java.security.cert.CertificateEncodingException;
> import java.security.cert.CertificateException;
> import java.security.cert.CertificateFactory;
> import java.security.cert.X509Certificate;
> import java.util.Date;
> import java.util.Enumeration;
> import javax.security.auth.x500.X500Principal;
> import android.os.Environment;
>  
> import android.util.Log;
> public class CertificateParserUtil {
> 	private static final String TAG = "CertificateParserUtil";
> 	public static final String PFX = "PFX";
> 	public static final String CER = "CER";
> 	FileInputStream fin = null;
> 	private String filePath;
> 	private String password;
> 	X509Certificate cert;
> 	public CertificateParserUtil(String filePath, String password) {
> 		this.filePath = filePath;
> 		this.password = password;
> 	}
> 	private String getExtension() {
> 		String ext = "";
> 		int mid = filePath.lastIndexOf(".");
> 		ext = filePath.substring(mid + 1, filePath.length());
> 		return ext;
> 	}
> 	public void parse() {
> 		String ext = getExtension();
> 		File file = new File(filePath);
> 		if (PFX.equalsIgnoreCase(ext)) {
> 			
> 			KeyStore ks = null;
> 			try {
> 				ks = KeyStore.getInstance("PKCS12");
> 				 
> 				//fin = new FileInputStream(file);
> 				ks.load(fin, password.toCharArray());
> 				Enumeration<String> aliasesEnum = null;
> 				aliasesEnum = ks.aliases();
> 				while (aliasesEnum.hasMoreElements()) {
> 					String alias = (String) aliasesEnum.nextElement();
> 					cert = (X509Certificate) ks.getCertificate(alias);
> 				}
> 			} catch (KeyStoreException e) {
>  		      Log.i(TAG, "KeyStoreException:" + e.getMessage());
> 			} catch (FileNotFoundException e) {
>               Log.i(TAG, "FileNOTFoundException:" + e.getMessage());
> 			} catch (CertificateException e) {
> 				Log.i(TAG, "CertificateException:" + e.getMessage());
> 			} catch (IOException e) {
> 				Log.i(TAG, "IOException:" + e.getMessage());
> 			} catch (NoSuchAlgorithmException e) {
> 				Log.i(TAG, "AlgorithmException:" + e.getMessage());
> 			} catch (Exception e) {
> 				Log.i(TAG, "Exception:" + e.getMessage());
> 			}
> 		} else if (CER.equalsIgnoreCase(ext)) {
> 			try {
> 				fin = new FileInputStream(file);
> 				BufferedInputStream bf = new BufferedInputStream(fin);
> 				CertificateFactory cf = null;
> 				cf = CertificateFactory.getInstance("X.509");
> 				while (bf.available() > 0) {
> 					cert = (X509Certificate) cf.generateCertificate(bf);
> 				}
> 			} catch (FileNotFoundException e) {
> 				Log.i(TAG, "FileNOTFoundException:" + e.getMessage());
> 			} catch (CertificateException e) {
> 				Log.i(TAG, "CertificateException:" + e.getMessage());
> 			} catch (IOException e) {
> 				Log.i(TAG, "IOException:" + e.getMessage());
> 			} catch (Exception e) {
> 				Log.i(TAG, "Exception:" + e.getMessage());
> 			}
> 		}
> 	}
> 	
>  
> 	public String getCertType() {
> 		return cert.getType();
> 	}
> 	public int getVersion() {
> 		return cert.getVersion();
> 	}
> 	public int getBasicConstraints() {
> 		return cert.getBasicConstraints();
> 	}
> 	public boolean[] getIssuerUniqueID() {
> 		return cert.getIssuerUniqueID();
> 	}
> 	public X500Principal getIssuerX500Principal() {
> 		return cert.getIssuerX500Principal();
> 	}
> 	public PublicKey getPublicKey() {
> 		return cert.getPublicKey();
> 	}
> 	public Principal getIssuerDN() {
> 		return cert.getIssuerDN();
> 	}
> 	public Principal getSubjectDN() {
> 		return cert.getSubjectDN();
> 	}
> 	public Date getValidFrom() {
> 		return cert.getNotBefore();
> 	}
> 	public Date getValidTill() {
> 		return cert.getNotAfter();
> 	}
> 	public String getAlgorithm() {
> 		return cert.getPublicKey().getAlgorithm();
> 	}
> 	public BigInteger getSerialNumber() {
> 		return cert.getSerialNumber();
> 	}
> 	public boolean[] getKeyUsage() {
> 		return cert.getKeyUsage();
> 	}
> 	public byte[] getSignature() {
> 		return cert.getSignature();
> 	}
> 	public String getSigAlgName() {
> 		return cert.getSigAlgName();
> 	}
> }
> CertificateException:org.apache.harmony.security.asn1.ASN1Exception: ASN.1 Sequence:
mandatory value is missing at [4].
> The folllowing is the stacktrace for your refrence.
> 03-22 12:16:30.667: W/dalvikvm(1749): threadid=1: thread exiting with uncaught exception
(group=0x409c01f8)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): FATAL EXCEPTION: main
> 03-22 12:16:30.717: E/AndroidRuntime(1749): java.lang.RuntimeException: Unable to start
activity ComponentInfo{com.ams/com.ams.CertificateParserTestActivity}: java.lang.NullPointerException
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.ActivityThread.access$600(ActivityThread.java:123)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.os.Handler.dispatchMessage(Handler.java:99)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.os.Looper.loop(Looper.java:137)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.ActivityThread.main(ActivityThread.java:4424)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at java.lang.reflect.Method.invokeNative(Native
Method)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at java.lang.reflect.Method.invoke(Method.java:511)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at dalvik.system.NativeStart.main(Native
Method)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): Caused by: java.lang.NullPointerException
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at com.ams.certparser.CertificateParserUtil.getVersion(CertificateParserUtil.java:115)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at com.ams.CertificateParserTestActivity.onCreate(CertificateParserTestActivity.java:23)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.Activity.performCreate(Activity.java:4465)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
> 03-22 12:16:30.717: E/AndroidRuntime(1749): 	... 11 more

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