Example usage for android.content.pm PackageManager GET_SIGNATURES

Introduction

In this page you can find the example usage for android.content.pm PackageManager GET_SIGNATURES.

Prototype

int GET_SIGNATURES

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Document

PackageInfo flag: return information about the signatures included in the package.

Usage

From source file:Main.java

/**
 * Gets the key hash of application package's certificate signature.
 * @since   0.1.1// w w w .ja  v a  2 s.co  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

/**
 * A double check about app signature that was passed by MainActivity as facetID.
 * @param facetId a string value composed by app hash. I.e. android:apk-key-hash:Lir5oIjf552K/XN4bTul0VS3GfM
 * @param context Application Context/*from  w ww  .ja  va  2 s . c o m*/
 * @return true if the signature executed on runtime matches if signature sent by MainActivity
 */
private static boolean checkAppSignature(String facetId, Context context) {
    try {
        PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SIGNATURES);
        for (Signature sign : packageInfo.signatures) {
            byte[] sB = sign.toByteArray();
            MessageDigest messageDigest = MessageDigest.getInstance("SHA1");
            messageDigest.update(sign.toByteArray());
            String currentSignature = Base64.encodeToString(messageDigest.digest(), Base64.DEFAULT);
            if (currentSignature.toLowerCase().contains(facetId.split(":")[2].toLowerCase())) {
                return true;
            }
        }
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return false;
}

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From source file:Main.java

/**
 * Get current certificate fingerprint// w  ww. ja  v  a2s  .  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

/**
 * Get app signature//from w  w  w  .  j  a  va  2s . c  om
 *
 * @param context
 * @param packageName
 * @return
 */
public static String getAppSignature(Context context, String packageName) {
    try {
        PackageManager pm = context.getPackageManager();
        PackageInfo packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
        return packageInfo.signatures[0].toCharsString();
    } catch (NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:Main.java

public static void printKeyHash(Activity pActivity) {
    // Add code to print out the key hash
    try {//from  www.  jav  a  2s.c  om
        PackageInfo info = pActivity.getPackageManager().getPackageInfo(pActivity.getPackageName(),
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {
        Log.d("KeyHash:", e.toString());
    } catch (NoSuchAlgorithmException e) {
        Log.d("KeyHash:", e.toString());
    }
}

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From source file:Main.java

public static String getSignature(Context context, String pkgname) {
    boolean isEmpty = TextUtils.isEmpty(pkgname);
    if (isEmpty) {
        return null;
    } else {/*from   www.ja  v  a 2 s.co  m*/
        try {
            PackageManager manager = context.getPackageManager();
            PackageInfo packageInfo = manager.getPackageInfo(pkgname, PackageManager.GET_SIGNATURES);
            Signature[] signatures = packageInfo.signatures;
            StringBuilder builder = new StringBuilder();
            for (Signature signature : signatures) {
                builder.append(signature.toCharsString());
            }
            String signature = builder.toString();
            return signature;
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
    }
    return null;
}

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From source file:Main.java

public static boolean isDebuggable(Context ctx) {
    boolean debuggable = false;
    try {// www  .j av  a2s  .  co  m
        PackageInfo pinfo = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(),
                PackageManager.GET_SIGNATURES);
        Signature signatures[] = pinfo.signatures;
        for (int i = 0; i < signatures.length; i++) {
            CertificateFactory cf = CertificateFactory.getInstance("X.509");
            ByteArrayInputStream stream = new ByteArrayInputStream(signatures[i].toByteArray());
            X509Certificate cert = (X509Certificate) cf.generateCertificate(stream);
            debuggable = cert.getSubjectX500Principal().equals(DEBUG_DN);
            if (debuggable)
                break;
        }

    } catch (NameNotFoundException e) {
    } catch (CertificateException e) {
    }
    return debuggable;
}

---

From source file:Main.java

public static boolean isDebuggable(Context ctx) {
    boolean debuggable = false;
    try {//from ww w  .j  a  v a  2  s.c  o  m
        PackageInfo pinfo = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(),
                PackageManager.GET_SIGNATURES);
        Signature signatures[] = pinfo.signatures;
        for (int i = 0; i < signatures.length; i++) {
            CertificateFactory cf = CertificateFactory.getInstance("X.509");//No i18n
            ByteArrayInputStream stream = new ByteArrayInputStream(signatures[i].toByteArray());
            X509Certificate cert = (X509Certificate) cf.generateCertificate(stream);
            debuggable = cert.getSubjectX500Principal().equals(DEBUG_DN);
            if (debuggable) {
                break;
            }
        }

    } catch (NameNotFoundException e) {
    } catch (CertificateException e) {
    }
    return debuggable;
}

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From source file:Main.java

public static Signature[] getSignatures(Context context, String packageName) {
    PackageInfo packageInfo = null;//from   w w  w.ja v  a  2  s . c o m
    try {
        packageInfo = context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
        return packageInfo.signatures;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:com.phonegap.plugins.androidsignkey.AndroidSignKey.java

@Override
public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
    try {//w  ww .j  av  a  2  s  .c o m
        if (action.equals("getSignatureHashCode")) {
            Context ctx = this.cordova.getActivity().getApplicationContext();
            Signature[] sigs = ctx.getPackageManager().getPackageInfo(ctx.getPackageName(),
                    PackageManager.GET_SIGNATURES).signatures;
            for (int i = 0; i < sigs.length; i++) {
                callbackContext.success(sigs[0].hashCode());
                return true;
            }
        }
    } catch (NameNotFoundException e) {
        e.printStackTrace();
        callbackContext.error(e.getMessage());
    }
    return false;
}

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