org.witness.proofmode.crypto.PgpUtils Java Examples

private void publishKey ()
{

    try {
        if (mPgpUtils == null)
            mPgpUtils = PgpUtils.getInstance(this,mPrefs.getString("password",PgpUtils.DEFAULT_PASSWORD));

        mPgpUtils.publishPublicKey();
        String fingerprint = mPgpUtils.getPublicKeyFingerprint();

        Toast.makeText(this, R.string.open_public_key_page, Toast.LENGTH_LONG).show();

        openUrl(PgpUtils.URL_LOOKUP_ENDPOINT + fingerprint);
    }
    catch (IOException ioe)
    {
        Log.e("Proofmode","error publishing key",ioe);
    }
}
 

private void shareKey ()
{


    try {

        if (mPgpUtils == null)
            mPgpUtils = PgpUtils.getInstance(this,mPrefs.getString("password",PgpUtils.DEFAULT_PASSWORD));

        mPgpUtils.publishPublicKey();
        String pubKey = mPgpUtils.getPublicKey();

        Intent intent = new Intent(Intent.ACTION_SEND);
        intent.setType("text/plain");
        intent.putExtra(Intent.EXTRA_TEXT,pubKey);
        startActivity(intent);
    }
    catch (IOException ioe)
    {
        Log.e("Proofmode","error publishing key",ioe);
    }
}
 

private static void writeProof (Context context, String mediaPath, String hash, boolean showDeviceIds, boolean showLocation, boolean showMobileNetwork, String safetyCheckResult, boolean isBasicIntegrity, boolean isCtsMatch, long notarizeTimestamp, String notes)
{

    File fileMedia = new File(mediaPath);

    File fileMediaSig = new File(mediaPath + OPENPGP_FILE_TAG);
    File fileMediaProof = new File(mediaPath + PROOF_FILE_TAG);
    File fileMediaProofSig = new File(mediaPath + PROOF_FILE_TAG + OPENPGP_FILE_TAG);

    try {

        //sign the media file
        if (!fileMediaSig.exists())
            PgpUtils.getInstance(context).createDetachedSignature(new FileInputStream(fileMedia), new FileOutputStream(fileMediaSig), PgpUtils.DEFAULT_PASSWORD);

        //add data to proof csv and sign again
        boolean writeHeaders = !fileMediaProof.exists();
        writeTextToFile(context, fileMediaProof, buildProof(context, mediaPath, writeHeaders, showDeviceIds, showLocation, showMobileNetwork, safetyCheckResult, isBasicIntegrity, isCtsMatch, notarizeTimestamp, notes));

        if (fileMediaProof.exists()) {
            //sign the proof file again
            PgpUtils.getInstance(context).createDetachedSignature(new FileInputStream(fileMediaProof), new FileOutputStream(fileMediaProofSig), PgpUtils.DEFAULT_PASSWORD);
        }

    } catch (Exception e) {
        Log.e("MediaWatcher", "Error signing media or proof", e);
    }

}
 

private void writeProof (Context context, Uri uriMedia, String hash, boolean showDeviceIds, boolean showLocation, boolean showMobileNetwork, String safetyCheckResult, boolean isBasicIntegrity, boolean isCtsMatch, long notarizeTimestamp, String notes)
{

  //  File fileMedia = new File(mediaPath);
    File fileFolder = getHashStorageDir(hash);

    if (fileFolder != null) {

        File fileMediaSig = new File(fileFolder, hash + OPENPGP_FILE_TAG);
        File fileMediaProof = new File(fileFolder, hash + PROOF_FILE_TAG);
        File fileMediaProofSig = new File(fileFolder, hash + PROOF_FILE_TAG + OPENPGP_FILE_TAG);

        try {

            //sign the media file
            if (!fileMediaSig.exists())
                PgpUtils.getInstance(context).createDetachedSignature(context.getContentResolver().openInputStream(uriMedia), new FileOutputStream(fileMediaSig), PgpUtils.DEFAULT_PASSWORD);

            //add data to proof csv and sign again
            boolean writeHeaders = !fileMediaProof.exists();
            String buildProof = buildProof(context, uriMedia, writeHeaders, showDeviceIds, showLocation, showMobileNetwork, safetyCheckResult, isBasicIntegrity, isCtsMatch, notarizeTimestamp, notes);
            writeTextToFile(context, fileMediaProof, buildProof);

            if (fileMediaProof.exists()) {
                //sign the proof file again
                PgpUtils.getInstance(context).createDetachedSignature(fileMediaProof, fileMediaProofSig, PgpUtils.DEFAULT_PASSWORD);
            }

        } catch (Exception e) {
            Log.e("MediaWatcher", "Error signing media or proof", e);
        }
    }
}
 

private static void writeProof (Context context, String mediaPath, String hash, boolean showDeviceIds, boolean showLocation, boolean showMobileNetwork, String safetyCheckResult, boolean isBasicIntegrity, boolean isCtsMatch, long notarizeTimestamp, String notes)
{

    File fileMedia = new File(mediaPath);

    File fileMediaSig = new File(mediaPath + OPENPGP_FILE_TAG);
    File fileMediaProof = new File(mediaPath + PROOF_FILE_TAG);
    File fileMediaProofSig = new File(mediaPath + PROOF_FILE_TAG + OPENPGP_FILE_TAG);

    try {

        //sign the media file
        if (!fileMediaSig.exists())
            PgpUtils.getInstance(context).createDetachedSignature(new FileInputStream(fileMedia), new FileOutputStream(fileMediaSig), PgpUtils.DEFAULT_PASSWORD);

        //add data to proof csv and sign again
        boolean writeHeaders = !fileMediaProof.exists();
        writeTextToFile(context, fileMediaProof, buildProof(context, mediaPath, writeHeaders, showDeviceIds, showLocation, showMobileNetwork, safetyCheckResult, isBasicIntegrity, isCtsMatch, notarizeTimestamp, notes));

        if (fileMediaProof.exists()) {
            //sign the proof file again
            PgpUtils.getInstance(context).createDetachedSignature(new FileInputStream(fileMediaProof), new FileOutputStream(fileMediaProofSig), PgpUtils.DEFAULT_PASSWORD);
        }

    } catch (Exception e) {
        Log.e("MediaWatcher", "Error signing media or proof", e);
    }

}
 

private void generateProofOutput (File fileMedia, Date lastModified, File fileMediaSig, File fileMediaProof, File fileMediaProofSig, String hash, boolean shareMedia, PrintWriter fBatchProofOut, ArrayList<Uri> shareUris, StringBuffer sb)
{
    DateFormat sdf = SimpleDateFormat.getDateTimeInstance();

    String fingerprint = PgpUtils.getInstance(this).getPublicKeyFingerprint();

    sb.append(fileMedia.getName()).append(' ');
    sb.append(getString(R.string.last_modified)).append(' ').append(sdf.format(lastModified));
    sb.append(' ');
    sb.append(getString(R.string.has_hash)).append(' ').append(hash);
    sb.append("\n\n");
    sb.append(getString(R.string.proof_signed) + fingerprint);
    sb.append("\n");
    sb.append(getString(R.string.view_public_key) + fingerprint);
    sb.append("\n\n");

    /**
     * //disable for now
    try {
        final TimeBeatNotarizationProvider tbNotarize = new TimeBeatNotarizationProvider(this);
        String tbProof = tbNotarize.getProof(hash);
        sb.append(getString(R.string.independent_notary) + ' ' + tbProof);
    }
    catch (Exception ioe)
    {
        Timber.e("Error checking for Timebeat proof",ioe);
    }**/

    shareUris.add(FileProvider.getUriForFile(this, BuildConfig.APPLICATION_ID + ".provider",fileMediaProof));

    if (shareMedia) {
        shareUris.add(FileProvider.getUriForFile(this, BuildConfig.APPLICATION_ID + ".provider",fileMedia));
        shareUris.add(FileProvider.getUriForFile(this, BuildConfig.APPLICATION_ID + ".provider",fileMediaSig));
        shareUris.add(FileProvider.getUriForFile(this, BuildConfig.APPLICATION_ID + ".provider",fileMediaProofSig));
    }

    if (fBatchProofOut != null)
    {
        try {
            BufferedReader br = new BufferedReader(new FileReader(fileMediaProof));
            br.readLine();//skip header
            String csvLine = br.readLine();
            // Log.i("ShareProof","batching csv line: " + csvLine);
            fBatchProofOut.println(csvLine);
            br.close();
        }
        catch (IOException ioe)
        {}
    }
}