Example usage for javax.crypto Mac doFinal

Introduction

In this page you can find the example usage for javax.crypto Mac doFinal.

Prototype

public final byte[] doFinal(byte[] input) throws IllegalStateException 

Source Link

Document

Processes the given array of bytes and finishes the MAC operation.

Usage

From source file:org.egov.collection.integration.pgi.AxisAdaptor.java

private String hashAllFields(final LinkedHashMap<String, String> fields) {

    final String axisSecureSecret = collectionApplicationProperties.axisSecureSecret();
    byte[] decodedKey;
    byte[] hashValue = null;
    // Sort list with field names ascending order
    final List<String> fieldNames = new ArrayList<>(fields.keySet());
    Collections.sort(fieldNames);

    // iterate through field name list and generate message for hashing. Format: fieldname1=fieldvale1?fieldname2=fieldvalue2
    final Iterator<String> itr = fieldNames.iterator();
    final StringBuilder hashingMessage = new StringBuilder();
    int i = 0;//  w  ww . j  a va2  s  .  com
    while (itr.hasNext()) {
        final String fieldName = itr.next();
        final String fieldValue = fields.get(fieldName);
        if (fieldValue != null && fieldValue.length() > 0) {
            if (i != 0)
                hashingMessage.append("&");
            hashingMessage.append(fieldName).append("=").append(fieldValue);
            i++;
        }
    }
    try {
        decodedKey = Hex.decodeHex(axisSecureSecret.toCharArray());
        SecretKeySpec keySpec = new SecretKeySpec(decodedKey, "HmacSHA256");
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(keySpec);
        byte[] hashingMessageBytes = hashingMessage.toString().getBytes(UTF8);
        hashValue = mac.doFinal(hashingMessageBytes);
    } catch (DecoderException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return DatatypeConverter.printHexBinary(hashValue);
}

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From source file:com.microsoft.windowsazure.messaging.Connection.java

/**
 * Generates an AuthToken/*from  w  w w . j av a2s.  co m*/
 * @param url   The target URL
 * @return   An AuthToken
 * @throws java.security.InvalidKeyException
 */
private String generateAuthToken(String url) throws InvalidKeyException {

    String keyName = mConnectionData.get(SHARED_ACCESS_KEY_NAME);
    if (isNullOrWhiteSpace(keyName)) {
        throw new AssertionError("SharedAccessKeyName");
    }

    String key = mConnectionData.get(SHARED_ACCESS_KEY);
    if (isNullOrWhiteSpace(key)) {
        throw new AssertionError("SharedAccessKey");
    }

    try {
        url = URLEncoder.encode(url, UTF8_ENCODING).toLowerCase(Locale.ENGLISH);
    } catch (UnsupportedEncodingException e) {
        // this shouldn't happen because of the fixed encoding
    }

    // Set expiration in seconds
    Calendar expireDate = Calendar.getInstance(TimeZone.getTimeZone(UTC_TIME_ZONE));
    expireDate.add(Calendar.MINUTE, EXPIRE_MINUTES);

    long expires = expireDate.getTimeInMillis() / 1000;

    String toSign = url + '\n' + expires;

    // sign

    byte[] bytesToSign = toSign.getBytes();
    Mac mac = null;
    try {
        mac = Mac.getInstance("HmacSHA256");
    } catch (NoSuchAlgorithmException e) {
        // This shouldn't happen because of the fixed algorithm
    }

    SecretKeySpec secret = new SecretKeySpec(key.getBytes(), mac.getAlgorithm());
    mac.init(secret);
    byte[] signedHash = mac.doFinal(bytesToSign);
    String base64Signature = Base64.encodeToString(signedHash, Base64.DEFAULT);
    base64Signature = base64Signature.trim();
    try {
        base64Signature = URLEncoder.encode(base64Signature, UTF8_ENCODING);
    } catch (UnsupportedEncodingException e) {
        // this shouldn't happen because of the fixed encoding
    }

    // construct authorization string
    String token = "SharedAccessSignature sr=" + url + "&sig=" + base64Signature + "&se=" + expires + "&skn="
            + keyName;

    return token;
}

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From source file:org.hoteia.qalingo.core.service.openid.OpenIdService.java

String getHmacSha1(String data, byte[] key) {
    SecretKeySpec signingKey = new SecretKeySpec(key, HMAC_SHA1_ALGORITHM);
    Mac mac = null;
    try {/*from   w w w . java  2  s.  co m*/
        mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
        mac.init(signingKey);
    } catch (NoSuchAlgorithmException e) {
        throw new OpenIdException(e);
    } catch (InvalidKeyException e) {
        throw new OpenIdException(e);
    }
    try {
        byte[] rawHmac = mac.doFinal(data.getBytes("UTF-8"));
        return Base64.encodeBytes(rawHmac);
    } catch (IllegalStateException e) {
        throw new OpenIdException(e);
    } catch (UnsupportedEncodingException e) {
        throw new OpenIdException(e);
    }
}

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From source file:com.cloud.bridge.util.EC2RestAuth.java

/**
 * Create a signature by the following method:
 *     new String( Base64( SHA1 or SHA256 ( key, byte array )))
 * //from   ww  w  .  ja v a2  s .c om
 * @param signIt    - the data to generate a keyed HMAC over
 * @param secretKey - the user's unique key for the HMAC operation
 * @param useSHA1   - if false use SHA256
 * @return String   - the recalculated string
 * @throws SignatureException
 */
private String calculateRFC2104HMAC(String signIt, String secretKey, boolean useSHA1)
        throws SignatureException {
    SecretKeySpec key = null;
    Mac hmacShaAlg = null;
    String result = null;

    try {
        if (useSHA1) {
            key = new SecretKeySpec(secretKey.getBytes(), "HmacSHA1");
            hmacShaAlg = Mac.getInstance("HmacSHA1");
        } else {
            key = new SecretKeySpec(secretKey.getBytes(), "HmacSHA256");
            hmacShaAlg = Mac.getInstance("HmacSHA256");
        }

        hmacShaAlg.init(key);
        byte[] rawHmac = hmacShaAlg.doFinal(signIt.getBytes());
        result = new String(Base64.encodeBase64(rawHmac));

    } catch (Exception e) {
        throw new SignatureException("Failed to generate keyed HMAC on REST request: " + e.getMessage());
    }
    return result.trim();
}

---

From source file:com.zimbra.cs.account.ZimbraAuthToken.java

@Override
public String getCrumb() throws AuthTokenException {
    String authToken = getEncoded();
    try {//  w  ww. ja  v  a2 s. com
        ByteKey bk = new ByteKey(getCurrentKey().getKey());
        Mac mac = Mac.getInstance("HmacMD5");
        mac.init(bk);
        return new String(Hex.encodeHex(mac.doFinal(authToken.getBytes())));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("fatal error", e);
    } catch (InvalidKeyException e) {
        throw new RuntimeException("fatal error", e);
    }
}

---

From source file:com.wandisco.s3hdfs.auth.AWSAuthenticationHandler.java

/**
 * Create a signature by the following method:
 * new String( Base64( SHA1 or SHA256 ( key, byte array )))
 *
 * @param signIt    - the data to generate a keyed HMAC over
 * @param secretKey - the user's unique key for the HMAC operation
 * @param useSHA1   - if false use SHA256
 * @return String   - the recalculated string
 * @throws SignatureException/*from   w w w . j  a va2 s.c o m*/
 */
private String calculateRFC2104HMAC(String signIt, String secretKey, boolean useSHA1)
        throws SignatureException {
    SecretKeySpec key = null;
    Mac hmacShaAlg = null;
    String result = null;

    try {
        if (useSHA1) {
            key = new SecretKeySpec(secretKey.getBytes(DEFAULT_CHARSET), "HmacSHA1");
            hmacShaAlg = Mac.getInstance("HmacSHA1");
        } else {
            key = new SecretKeySpec(secretKey.getBytes(DEFAULT_CHARSET), "HmacSHA256");
            hmacShaAlg = Mac.getInstance("HmacSHA256");
        }

        hmacShaAlg.init(key);
        byte[] rawHmac = hmacShaAlg.doFinal(signIt.getBytes(DEFAULT_CHARSET));
        result = new String(Base64.encodeBase64(rawHmac), DEFAULT_CHARSET);

    } catch (Exception e) {
        throw new SignatureException("Failed to generate keyed HMAC on REST request: " + e.getMessage());
    }
    return result.trim();
}

---

From source file:com.telesign.util.TeleSignRequest.java

/**
 * Creates the Signature component for the Authorization header field.
 * Uses your Secret Key to encode the stringToSign.
 * This is a <em>helper method</em>, used internally by the {@link TeleSignRequest#executeRequest()} method.
 *
 * @param data//  w w w  .  j a  v  a 2 s .c om
 *         [Required] The stringToSign.
 * @param key
 *         [Required] Your TeleSign API Key. Also known as your Secret
 *         Key, and your Shared Cryptographic Key. It s a bese64-encoded
 *         string value.
 * @return A String containing the Base64-encoded hash-based message
 *       authentication code.
 * @throws java.security.SignatureException
 *          Failed to generate HMAC. IllegalArgumentException - if
 *          algorithm is null or key is null or empty.
 */
private String encode(String data, String key) throws java.security.SignatureException {

    String result;

    byte[] decoded_key = Base64.decodeBase64(key);

    try {
        // Get an hmac_sha key from the raw key bytes.
        SecretKeySpec signingKey = new SecretKeySpec(decoded_key, auth.value());

        // Get an hmac_sha Mac instance, and initialize it with the signing key.
        Mac mac = Mac.getInstance(auth.value());
        mac.init(signingKey);

        // Compute the HMAC on input data bytes.
        byte[] rawHmac = mac.doFinal(data.getBytes());

        // Base64-encode the HMAC.
        result = new String(Base64.encodeBase64(rawHmac));

    } catch (Exception e) {

        throw new SignatureException("Failed to generate HMAC : " + e.getMessage());
    }

    return result;
}

---

From source file:org.akvo.flow.service.DataSyncService.java

private ZipFileData formZip(long surveyInstanceId) {
    ZipFileData zipFileData = new ZipFileData();
    StringBuilder surveyBuf = new StringBuilder();

    // Hold the responses in the StringBuilder
    String uuid = processSurveyData(surveyInstanceId, surveyBuf, zipFileData.imagePaths);

    // THe filename will match the Survey Instance UUID
    File zipFile = new File(FileUtil.getFilesDir(FileType.DATA), uuid + ConstantUtil.ARCHIVE_SUFFIX);

    // Write the data into the zip file
    try {/*from   www. j  ava2 s  . co  m*/
        String fileName = zipFile.getAbsolutePath();// Will normalize filename.
        zipFileData.filename = fileName;
        Log.i(TAG, "Creating zip file: " + fileName);
        FileOutputStream fout = new FileOutputStream(zipFile);
        CheckedOutputStream checkedOutStream = new CheckedOutputStream(fout, new Adler32());
        ZipOutputStream zos = new ZipOutputStream(checkedOutStream);

        writeTextToZip(zos, surveyBuf.toString(), SURVEY_DATA_FILE);
        String signingKeyString = mProps.getProperty(SIGNING_KEY_PROP);
        if (!StringUtil.isNullOrEmpty(signingKeyString)) {
            MessageDigest sha1Digest = MessageDigest.getInstance("SHA1");
            byte[] digest = sha1Digest.digest(surveyBuf.toString().getBytes("UTF-8"));
            SecretKeySpec signingKey = new SecretKeySpec(signingKeyString.getBytes("UTF-8"), SIGNING_ALGORITHM);
            Mac mac = Mac.getInstance(SIGNING_ALGORITHM);
            mac.init(signingKey);
            byte[] hmac = mac.doFinal(digest);
            String encodedHmac = Base64.encodeBytes(hmac);
            writeTextToZip(zos, encodedHmac, SIG_FILE_NAME);
        }

        final String checksum = "" + checkedOutStream.getChecksum().getValue();
        zos.close();
        Log.i(TAG, "Closed zip output stream for file: " + fileName + ". Checksum: " + checksum);
    } catch (IOException e) {
        PersistentUncaughtExceptionHandler.recordException(e);
        Log.e(TAG, e.getMessage());
        zipFileData = null;
    } catch (NoSuchAlgorithmException e) {
        PersistentUncaughtExceptionHandler.recordException(e);
        Log.e(TAG, e.getMessage());
        zipFileData = null;
    } catch (InvalidKeyException e) {
        PersistentUncaughtExceptionHandler.recordException(e);
        Log.e(TAG, e.getMessage());
        zipFileData = null;
    }

    return zipFileData;
}

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From source file:org.killbill.billing.plugin.payeezy.client.PayeezyClientWrapper.java

private String getMacValue(final String nonce, final String timeStamp, @Nullable final String payload)
        throws NoSuchAlgorithmException, InvalidKeyException, UnsupportedEncodingException {
    final Mac mac = Mac.getInstance(HMAC_SHA_256);
    final Key secretKey = new SecretKeySpec(secret.getBytes(), HMAC_SHA_256);
    mac.init(secretKey);//from   w  w w.  j a v a  2s.co m

    final StringBuilder buff = new StringBuilder();
    buff.append(apiKey).append(nonce).append(timeStamp);
    if (token != null) {
        buff.append(token);
    }
    if (payload != null) {
        buff.append(payload);
    }

    final String bufferData = buff.toString();
    final byte[] macHash = mac.doFinal(bufferData.getBytes("UTF-8"));
    return new String(Base64.encodeBase64(toHex(macHash)));
}

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From source file:org.dasein.cloud.virtustream.VirtustreamMethod.java

private byte[] calculateHmac(String data, String key) throws SignatureException {
    try {//from  w  ww  . j ava 2s .c  o m
        SecretKeySpec signingKey = new SecretKeySpec(key.getBytes(), "HmacSHA256");
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(signingKey);

        return mac.doFinal(data.getBytes());
    } catch (Exception e) {
        throw new SignatureException("Failed to generate HMAC : " + e.getMessage());
    }
}

---

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