Example usage for javax.crypto Mac update

Introduction

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

Prototype

public final void update(ByteBuffer input) 

Source Link

Document

Processes input.remaining() bytes in the ByteBuffer input , starting at input.position() .

Usage

From source file:com.skplanet.syruppay.token.tav.TransactionAuthenticationValue.java

public boolean isValidBy(final String key, final String checksum)
        throws NoSuchAlgorithmException, IOException, InvalidKeyException {
    final Mac mac = Mac.getInstance("HmacSHA256");
    mac.init(new SecretKeySpec(key.getBytes("UTF-8"), mac.getAlgorithm()));
    mac.update((cardToken + mctTransAuthId + ocTransAuthId
            + new ObjectMapper().writeValueAsString(paymentAuthenticationDetail)).getBytes("UTF-8"));
    return Base64.encodeBase64URLSafeString(mac.doFinal()).equals(checksum);
}

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From source file:com.jpeterson.littles3.bo.S3Authenticator.java

/**
 * Authenticate the request using the prescribed Amazon S3 authentication
 * mechanisms.//from   w  ww  .  j  ava 2s.  c om
 * 
 * @param req
 *            The original HTTP request.
 * @param s3Request
 *            The S3 specific information for authenticating the request.
 * @return The authenticated <code>CanonicalUser</code> making the request.
 * @throws RequestTimeTooSkewedException
 *             Thrown if the request timestamp is outside of the allotted
 *             timeframe.
 */
public CanonicalUser authenticate(HttpServletRequest req, S3ObjectRequest s3Request)
        throws AuthenticatorException {
    // check to see if anonymous request
    String authorization = req.getHeader(HEADER_AUTHORIZATION);

    if (authorization == null) {
        return new CanonicalUser(CanonicalUser.ID_ANONYMOUS);
    }

    // attempting to be authenticated request

    if (false) {
        // check timestamp of request
        Date timestamp = s3Request.getTimestamp();
        if (timestamp == null) {
            throw new RequestTimeTooSkewedException("No timestamp provided");
        }

        GregorianCalendar calendar = new GregorianCalendar();
        Date now = calendar.getTime();
        calendar.add(Calendar.MINUTE, 15);
        Date maximumDate = calendar.getTime();
        calendar.add(Calendar.MINUTE, -30);
        Date minimumDate = calendar.getTime();

        if (timestamp.before(minimumDate)) {
            throw new RequestTimeTooSkewedException(
                    "Timestamp [" + timestamp + "] too old. System time: " + now);
        }

        if (timestamp.after(maximumDate)) {
            throw new RequestTimeTooSkewedException(
                    "Timestamp [" + timestamp + "] too new. System time: " + now);
        }
    }

    // authenticate request
    String[] fields = authorization.split(" ");

    if (fields.length != 2) {
        throw new InvalidSecurityException("Unsupported authorization format");
    }

    if (!fields[0].equals(AUTHORIZATION_TYPE)) {
        throw new InvalidSecurityException("Unsupported authorization type: " + fields[0]);
    }

    String[] keys = fields[1].split(":");

    if (keys.length != 2) {
        throw new InvalidSecurityException("Invalid AWSAccesskeyId:Signature");
    }

    String accessKeyId = keys[0];
    String signature = keys[1];
    String secretAccessKey = userDirectory.getAwsSecretAccessKey(accessKeyId);
    String calculatedSignature;

    try {
        SecretKey key = new SecretKeySpec(secretAccessKey.getBytes(), "HmacSHA1");
        Mac m = Mac.getInstance("HmacSHA1");
        m.init(key);
        m.update(s3Request.getStringToSign().getBytes());
        byte[] mac = m.doFinal();
        calculatedSignature = new String(Base64.encodeBase64(mac));
    } catch (NoSuchAlgorithmException e) {
        throw new InvalidSecurityException(e);
    } catch (InvalidKeyException e) {
        throw new InvalidSecurityException(e);
    }

    System.out.println("-----------------");
    System.out.println("signature: " + signature);
    System.out.println("calculatedSignature: " + calculatedSignature);
    System.out.println("-----------------");

    if (calculatedSignature.equals(signature)) {
        // authenticated!
        return userDirectory.getCanonicalUser(secretAccessKey);
    } else {
        throw new SignatureDoesNotMatchException("Provided signature doesn't match calculated value");
    }
}

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From source file:org.janusgraph.graphdb.tinkerpop.gremlin.server.auth.HMACAuthenticator.java

private String generateToken(final String username, final String salt, final String time) {
    try {/*w w w. j  a va  2 s.  com*/
        final CharBuffer secretAndSalt = CharBuffer.allocate(secret.length + salt.length() + 1);
        secretAndSalt.put(secret);
        secretAndSalt.put(":");
        secretAndSalt.put(salt);
        final String tokenPrefix = username + ":" + time.toString() + ":";
        final SecretKeySpec keySpec = new SecretKeySpec(toBytes(secretAndSalt.array()), hmacAlgo);
        final Mac hmac = Mac.getInstance(hmacAlgo);
        hmac.init(keySpec);
        hmac.update(username.getBytes());
        hmac.update(time.toString().getBytes());
        final Base64.Encoder encoder = Base64.getUrlEncoder();
        final byte[] hmacbytes = encoder.encode(hmac.doFinal());
        final byte[] tokenbytes = tokenPrefix.getBytes();
        final byte[] token = ByteBuffer.wrap(new byte[tokenbytes.length + hmacbytes.length]).put(tokenbytes)
                .put(hmacbytes).array();
        return new String(encoder.encode(token));
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

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From source file:id.pazpo.agent.utils.OAuthHeaderBuilder.java

private String generateSignature(String signatureBase, String accessTokenSecret)
        throws InvalidKeyException, NoSuchAlgorithmException {

    Mac mac = Mac.getInstance(ENCRYPTION_ALGO);
    mac.init(new SecretKeySpec((CONSUMER_SECRET + "&" + accessTokenSecret).getBytes(), ENCRYPTION_ALGO));
    mac.update(signatureBase.getBytes());
    byte[] res = mac.doFinal();
    String signature = new String(Base64.encodeBase64(res)).trim();
    Log.d("headers", signature);
    return signature;
}

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From source file:com.weibo.api.OAuth2.java

private String parseSignedRequest(String signedRequest, String appSecret) {
    String tokenInfoValue = null;
    String[] tokens = StringUtils.split(signedRequest, "\\.", 2);
    // base64Token
    String base64Token = tokens[0];
    //  url encode/decode ??base64url ??
    // '+''/'??'-''_''=' ???base64?'='?
    int padding = (4 - base64Token.length() % 4);
    for (int i = 0; i < padding; i++) {
        base64Token += "=";
    }//from   w  w  w  .j  a v  a2 s .  co  m
    base64Token = StringUtils.replace(base64Token, "-", "+");
    base64Token = StringUtils.replace(base64Token, "_", "/");
    // base64Token1
    String token1 = tokens[1];
    SecretKey key = new SecretKeySpec(appSecret.getBytes(), ALGORITHM_HMACSHA256);
    try {
        Mac mac = Mac.getInstance(ALGORITHM_HMACSHA256);
        mac.init(key);
        mac.update(token1.getBytes());
        byte[] macResult = mac.doFinal();
        String base64Token1 = Base64.encodeBase64String(macResult);
        // access token
        if (StringUtils.equals(base64Token, base64Token1)) {
            tokenInfoValue = new String(Base64.decodeBase64(token1));
            log.info(tokenInfoValue);
        }
    } catch (NoSuchAlgorithmException e) {
        log.error(ExceptionUtils.getFullStackTrace(e));
    } catch (InvalidKeyException e) {
        log.error(ExceptionUtils.getFullStackTrace(e));
    }
    return tokenInfoValue;
}

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From source file:org.jupyterkernel.kernel.MessageObject.java

private byte[] computeSignature(byte[] header, byte[] parent, byte[] meta, byte[] content) {
    byte[][] data = { header, parent, meta, content };
    try {//ww  w .jav a2  s  . c  o  m
        SecretKeySpec keySpec = new SecretKeySpec(key, "HmacSHA256");
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(keySpec);
        for (int i = 0; i < 4; i++) {
            mac.update(data[i]);
        }
        return mac.doFinal();

    } catch (InvalidKeyException | NoSuchAlgorithmException e) {
        System.out.println(e.getMessage());
    }
    return null;
}

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From source file:com.mnxfst.stream.listener.webtrends.WebtrendsTokenRequest.java

private String getHMAC256(final String input, final String secret) {
    String temp = null;//from w  w  w  .ja v  a2 s .c o m
    final SecretKeySpec keySpec = new SecretKeySpec(secret.getBytes(), "HmacSHA256");
    try {
        final Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(keySpec);
        // update method adds the given byte to the Mac's input data. 
        mac.update(input.getBytes());
        final byte[] m = mac.doFinal();
        // The base64-encoder in Commons Codec
        temp = base64Encode(m);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    }
    return temp;
}

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From source file:org.apache.nifi.processors.standard.util.crypto.scrypt.Scrypt.java

/**
 * Implementation of PBKDF2 (RFC2898).//from w  ww . ja  va 2s . c  om
 *
 * @param mac   the pre-initialized {@link Mac} instance to use
 * @param s     the salt
 * @param c     the iteration count
 * @param dk    the byte array that derived key will be placed in
 * @param dkLen the intended length, in octets, of the derived key
 * @throws GeneralSecurityException if the key length is too long
 */
private static void pbkdf2(Mac mac, byte[] s, int c, byte[] dk, int dkLen) throws GeneralSecurityException {
    int hLen = mac.getMacLength();

    if (dkLen > (Math.pow(2, 32) - 1) * hLen) {
        throw new GeneralSecurityException("Requested key length too long");
    }

    byte[] U = new byte[hLen];
    byte[] T = new byte[hLen];
    byte[] block1 = new byte[s.length + 4];

    int l = (int) Math.ceil((double) dkLen / hLen);
    int r = dkLen - (l - 1) * hLen;

    arraycopy(s, 0, block1, 0, s.length);

    for (int i = 1; i <= l; i++) {
        block1[s.length + 0] = (byte) (i >> 24 & 0xff);
        block1[s.length + 1] = (byte) (i >> 16 & 0xff);
        block1[s.length + 2] = (byte) (i >> 8 & 0xff);
        block1[s.length + 3] = (byte) (i >> 0 & 0xff);

        mac.update(block1);
        mac.doFinal(U, 0);
        arraycopy(U, 0, T, 0, hLen);

        for (int j = 1; j < c; j++) {
            mac.update(U);
            mac.doFinal(U, 0);

            for (int k = 0; k < hLen; k++) {
                T[k] ^= U[k];
            }
        }

        arraycopy(T, 0, dk, (i - 1) * hLen, (i == l ? r : hLen));
    }
}

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From source file:mitm.common.util.StandardHttpURLBuilder.java

@Override
public String addHMAC(String name, Mac mac) throws URLBuilderException {
    Check.notNull(mac, "mac");

    if (parameters.size() == 0) {
        throw new URLBuilderException("There are no values.");
    }//from  w  w  w. j av a  2 s.co m

    for (Parameter parameter : parameters) {
        mac.update(MiscStringUtils.toAsciiBytes(parameter.getName()));
        mac.update(MiscStringUtils.toAsciiBytes(parameter.getValue()));
    }

    byte[] hmac = mac.doFinal();

    String base32 = Base32.encode(hmac);

    parameters.add(new Parameter(name, base32));

    return base32;
}

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