Example usage for android.content.pm Signature toByteArray

Introduction

In this page you can find the example usage for android.content.pm Signature toByteArray.

Prototype

public byte[] toByteArray() 

Source Link

Usage

From source file:Main.java

/**
 * Get current certificate fingerprint//from   w ww.  j av  a 2  s  .co  m
 *
 * @param ctx         context of application
 * @param packageName your package name
 * @return Base64 packed SHA fingerprint of your packet certificate
 */
public static String[] getCertificateFingerprint(Context ctx, String packageName) {
    try {
        if (ctx == null || ctx.getPackageManager() == null)
            return null;
        PackageInfo info = ctx.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
        assert info.signatures != null;
        String[] result = new String[info.signatures.length];
        int i = 0;
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            //                result[i++] = Base64.encodeToString(md.digest(), Base64.DEFAULT);
            result[i++] = toHex(md.digest());
        }
        return result;
    } catch (Exception e) {
        return null;
    }
}

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From source file:Main.java

/**
 * Get current certificate fingerprint//from w  w w. j  av a  2s  .  c o m
 *
 * @param ctx         context of application
 * @param packageName your package name
 * @return Base64 packed SHA fingerprint of your packet certificate
 */
public static String[] getCertificateFingerprint(Context ctx, String packageName) {
    try {
        if (ctx == null || ctx.getPackageManager() == null)
            return null;
        @SuppressLint("PackageManagerGetSignatures")
        PackageInfo info = ctx.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
        assert info.signatures != null;
        String[] result = new String[info.signatures.length];
        int i = 0;
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            result[i++] = toHex(md.digest());
        }
        return result;
    } catch (Exception e) {
        return null;
    }
}

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From source file:Main.java

/**
 * Prints your current certificate signature to the Logcat. Use this method to obtain your certificate signature.
 *
 * @param context The application context.
 *///ww  w . j av a2s.  c  o  m

public static void getCertificateSignature(Context context) {
    try {
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SIGNATURES);

        // The APK is signed with multiple signatures, probably it was tampered.
        if (packageInfo.signatures.length > 1) {
            return;
        }

        for (Signature signature : packageInfo.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");

            md.update(signature.toByteArray());

            Log.d("TAMPERING_PROTECTION", "**" + Base64.encodeToString(md.digest(), Base64.DEFAULT) + "**");
        }
    } catch (Exception exception) {
        Log.d("TAMPERING_PROTECTION", exception.getStackTrace().toString());
    }
}

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From source file:Main.java

/**
 * Gets the key hash of application package's certificate signature.
 * @since   0.1.1//from w  w w. java2 s  . c o m
 * @param   aContext The context from which the package manager is retrieved to get the signature's information.
 * @return   The list of signatures embedded to the application package.
 */
public static List<String> getKeyHash(Context aContext) {
    try {
        PackageInfo info = aContext.getPackageManager().getPackageInfo(getPackageName(aContext),
                PackageManager.GET_SIGNATURES);

        List<String> keyHashList = new ArrayList<String>(info.signatures.length);

        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            keyHashList.add(Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
        return keyHashList;
    } catch (Exception e) {
        return null;
    }
}

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From source file:Main.java

/**
 * Returns the key hashes of the signatures of the app with the specified package name
 * which may be needed when integrating with 3rd party services such as Facebook. Note that
 * Android apps usually only have one signature.
 *
 * @param context//from   w  w  w.  j a  v a  2  s  . com
 * @param packageName The package name of the app
 * @return The key hashes
 */
public static List<String> getKeyHashes(Context context, String packageName) {
    try {
        List<String> hashes = new ArrayList<>();
        PackageInfo info = context.getPackageManager().getPackageInfo(packageName,
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            hashes.add(Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
        return hashes;
    } catch (PackageManager.NameNotFoundException e) {
    } catch (NoSuchAlgorithmException e) {
    }
    return null;
}

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From source file:Main.java

public static String getApkSignatureMD5String(Signature signature) {
    MessageDigest md;/* w  ww . jav  a2 s . c o m*/
    try {
        md = MessageDigest.getInstance("MD5");

        md.update(signature.toByteArray());

        byte[] digest = md.digest();

        return toHexString(digest);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}

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From source file:Main.java

private static X509Certificate generateX509CertificateFromSignature(final Signature signature)
        throws CertificateException {
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    ByteArrayInputStream inputStream = new ByteArrayInputStream(signature.toByteArray());
    X509Certificate certificate = (X509Certificate) certificateFactory.generateCertificate(inputStream);
    return certificate;
}

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From source file:kr.co.sangcomz.facebooklogin.HelloFacebookSampleActivity.java

public static void showHashKey(Context context) {
    try {//from   w  w w.  j  a v a 2 s.c  om
        PackageInfo info = context.getPackageManager().getPackageInfo("kr.co.sangcomz.facebooklogin",
                PackageManager.GET_SIGNATURES); //Your            package name here
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.i("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {
    } catch (NoSuchAlgorithmException e) {
    }
}

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From source file:com.github.javiersantos.piracychecker.LibraryUtils.java

@SuppressLint("PackageManagerGetSignatures")
static String getCurrentSignature(Context context) {
    String res = "";
    try {/*from   w w  w  .j av  a 2  s.c  o  m*/
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SIGNATURES);
        for (Signature signature : packageInfo.signatures) {
            MessageDigest messageDigest = MessageDigest.getInstance("SHA");
            messageDigest.update(signature.toByteArray());
            res = Base64.encodeToString(messageDigest.digest(), Base64.DEFAULT);
        }
    } catch (PackageManager.NameNotFoundException | NoSuchAlgorithmException ignored) {
    }
    return res.trim();
}

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From source file:com.vinexs.tool.Utility.java

public static String getKeyHash(Context context) {
    String keyHash = "";
    try {//  ww  w. j a v  a 2  s.  co  m
        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            keyHash = Base64.encodeToString(md.digest(), Base64.DEFAULT);
        }
    } catch (Exception e) {
        Log.e("Data Encryption", "Fail to get key hash.", e);
    }
    return keyHash;
}

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