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

/**
 * 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  .  j a  v a2  s.c om
 * @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

public static String getSignatureString(Signature sig, String type) {
    byte[] hexBytes = sig.toByteArray();
    String fingerprint = "error!";
    try {/*  w  w  w. ja v a  2 s . c o m*/
        MessageDigest digest = MessageDigest.getInstance(type);
        if (digest != null) {
            byte[] digestBytes = digest.digest(hexBytes);
            StringBuilder sb = new StringBuilder();
            for (byte digestByte : digestBytes) {
                sb.append((Integer.toHexString((digestByte & 0xFF) | 0x100)).substring(1, 3));
            }
            fingerprint = sb.toString();
        }
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }

    return fingerprint;
}

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From source file:Main.java

public static String getSignature(Context context) {
    PackageManager pm = context.getPackageManager();
    PackageInfo pi = null;//from   w w  w . j  a va2 s. c o  m
    StringBuilder builder = new StringBuilder();
    try {
        pi = pm.getPackageInfo(context.getPackageName(), PackageManager.GET_SIGNATURES);
        Signature[] signatures = pi.signatures;
        for (Signature signature : signatures) {
            builder.append(getMessageDigest(signature.toByteArray()));
        }
        return builder.toString();
    } catch (Exception e1) {
        e1.printStackTrace();
        return "";
    }
}

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From source file:Main.java

public static void printOutMyHashKey(Context context, String packageName) {
    try {//  www. j  a  v  a 2s. c om
        PackageInfo info = context.getPackageManager().getPackageInfo(packageName,
                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) {
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
}

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From source file:Main.java

public static String getHashKey(Context context) {
    // Add code to print out the key hash
    try {//w w w .j  a v a  2s . 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());
            return Base64.encodeToString(md.digest(), Base64.DEFAULT);
        }
    } catch (NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }
    return null;
}

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From source file:Main.java

/**
 * Print hash key/* w  w  w.  j a va  2 s .c o  m*/
 */
public static void printHashKey(Context context) {
    try {
        PackageInfo info = context.getPackageManager().getPackageInfo(TAG, PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            String keyHash = Base64.encodeToString(md.digest(), Base64.DEFAULT);
            Log.d(TAG, "keyHash: " + keyHash);
        }
    } catch (NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }
}

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From source file:Main.java

public static String keyHash(Context context) {
    String key = "";
    try {//  w w  w.  j av a  2 s .co m
        PackageInfo info = context.getPackageManager().getPackageInfo("org.tathva.triloaded.anubhava",
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            key = Base64.encodeToString(md.digest(), Base64.DEFAULT);
            Log.d("anas", key);
        }
    } catch (NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }

    return key;
}

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From source file:Main.java

/**
 * @param context//from w w  w  .j  av  a 2 s  .c  o  m
 * @return KeyHash
 * follow facebook developers link to get release key hash
 * https://developers.facebook.com/docs/android/getting-started#release-key-hash
 */
public static String getKeyHash(Context context) {
    PackageInfo packageInfo;
    String key = null;
    try {
        packageInfo = context.getPackageManager().getPackageInfo(
                context.getApplicationContext().getPackageName(), PackageManager.GET_SIGNATURES);
        for (Signature signature : packageInfo.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e1) {
    } catch (NoSuchAlgorithmException e) {
    } catch (Exception e) {
    }
    return key;
}

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From source file:Main.java

public static void printHashKey(Context context) {
    try {//  ww w  .j ava 2  s  .  c  o  m
        PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SIGNATURES);
        for (android.content.pm.Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.e("HASH KEY:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (PackageManager.NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }
}

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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 w w  w  .  j  a  va 2s .  c o  m
        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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