Example usage for javax.crypto Mac getInstance

Introduction

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

Prototype

public static final Mac getInstance(String algorithm) throws NoSuchAlgorithmException 

Source Link

Document

Returns a Mac object that implements the specified MAC algorithm.

Usage

From source file:io.pivotal.cla.security.GitHubSignature.java

private byte[] sign(String body, String token) throws NoSuchAlgorithmException, InvalidKeyException {
    SecretKeySpec signingKey = new SecretKeySpec(token.getBytes(), HMAC_SHA1_ALGORITHM);
    Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
    mac.init(signingKey);/*from   w w w  .  j av a  2  s. c  o  m*/
    byte[] expectedBytes = mac.doFinal(body.getBytes());
    return expectedBytes;
}

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From source file:Pusher.java

/**
 * Returns a HMAC/SHA256 representation of the given string
 * @param data/*from w ww  .java2 s .  com*/
 * @return
 */
private static String hmacsha256Representation(String data) {
    try {
        // Create the HMAC/SHA256 key from application secret
        final SecretKeySpec signingKey = new SecretKeySpec(pusherApplicationSecret.getBytes(), "HmacSHA256");

        // Create the message authentication code (MAC)
        final Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(signingKey);

        //Process and return data
        byte[] digest = mac.doFinal(data.getBytes("UTF-8"));
        digest = mac.doFinal(data.getBytes());
        //Convert to string
        BigInteger bigInteger = new BigInteger(1, digest);
        return String.format("%0" + (digest.length << 1) + "x", bigInteger);
    } catch (NoSuchAlgorithmException nsae) {
        //We should never come here, because GAE has HMac SHA256
        throw new RuntimeException("No HMac SHA256 algorithm");
    } catch (UnsupportedEncodingException e) {
        //We should never come here, because UTF-8 should be available
        throw new RuntimeException("No UTF-8");
    } catch (InvalidKeyException e) {
        throw new RuntimeException("Invalid key exception while converting to HMac SHA256");
    }
}

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From source file:com.alibaba.openapi.client.util.SignatureUtil.java

public static byte[] hmacSha1(String path, List<NameValuePair> parameters, SecretKeySpec signingKey) {
    Mac mac;//  w w w.  j ava  2s .  c  o  m
    try {
        mac = Mac.getInstance(HMAC_SHA1);
        mac.init(signingKey);
    } catch (NoSuchAlgorithmException e) {
        throw new IllegalStateException(e.getMessage(), e);
    } catch (InvalidKeyException e) {
        throw new IllegalStateException(e.getMessage(), e);
    }
    mac.update(path.getBytes(CHARSET_UTF8));
    Collections.sort(parameters, new NameValuePairComparator<NameValuePair>());
    for (NameValuePair parameter : parameters) {
        mac.update(parameter.getName().getBytes(CHARSET_UTF8));
        mac.update(parameter.getValue().getBytes(CHARSET_UTF8));
    }
    return mac.doFinal();
}

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From source file:me.lazerka.gae.jersey.oauth2.facebook.TokenVerifierFacebookSignedRequest.java

public TokenVerifierFacebookSignedRequest(URLFetchService urlFetchService, ObjectMapper jackson, String appId,
        String appSecret, String redirectUri) {
    this.jackson = jackson;
    this.redirectUri = redirectUri;
    this.fetcher = new FacebookFetcher(appId, appSecret, jackson, urlFetchService);

    try {/*w ww.  jav a 2 s  . c  o m*/
        SecretKeySpec signingKey = new SecretKeySpec(appSecret.getBytes(UTF_8), "HmacSHA1");
        hmac = Mac.getInstance("HmacSHA256");
        hmac.init(signingKey);
    } catch (NoSuchAlgorithmException | InvalidKeyException e) {
        throw Throwables.propagate(e);
    }
}

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From source file:fitmon.DietAPI.java

public ArrayList<Food> getFood(String foodID) throws ClientProtocolException, IOException,
        NoSuchAlgorithmException, InvalidKeyException, SAXException, ParserConfigurationException {
    HttpClient client = new DefaultHttpClient();
    HttpGet request = new HttpGet("http://platform.fatsecret.com/rest/server.api&"
            + "oauth_consumer_key=5f2d9f7c250c4d75b9807a4f969363a7&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1408230438&"
            + "oauth_nonce=abc&oauth_version=1.0&method=food.get&food_id=33691");
    HttpResponse response = client.execute(request);
    BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

    String base = URLEncoder.encode("GET") + "&";
    base += "http%3A%2F%2Fplatform.fatsecret.com%2Frest%2Fserver.api&";

    String params;/*from  w  ww  . j  av a2 s. c om*/

    params = "food_id=" + foodID + "&";
    params += "method=food.get&";
    params += "oauth_consumer_key=5f2d9f7c250c4d75b9807a4f969363a7&"; // ur consumer key 
    params += "oauth_nonce=123&";
    params += "oauth_signature_method=HMAC-SHA1&";
    Date date = new java.util.Date();
    Timestamp ts = new Timestamp(date.getTime());
    params += "oauth_timestamp=" + ts.getTime() + "&";
    params += "oauth_version=1.0";
    //params += "search_expression=apple"; 

    String params2 = URLEncoder.encode(params);
    base += params2;
    System.out.println(base);
    String line = "";

    String secret = "76172de2330a4e55b90cbd2eb44f8c63&";
    Mac sha256_HMAC = Mac.getInstance("HMACSHA1");
    SecretKeySpec secret_key = new SecretKeySpec(secret.getBytes(), "HMACSHA1");
    sha256_HMAC.init(secret_key);
    String hash = Base64.encodeBase64String(sha256_HMAC.doFinal(base.getBytes()));

    //$url = "http://platform.fatsecret.com/rest/server.api?".$params."&oauth_signature=".rawurlencode($sig); 

    String url = "http://platform.fatsecret.com/rest/server.api?" + params + "&oauth_signature="
            + URLEncoder.encode(hash);
    System.out.println(url);
    xmlParser xParser = new xmlParser();
    ArrayList<Food> foodList = xParser.Parser(url);
    return foodList;
    //while ((line = rd.readLine()) != null) {
    //  System.out.println(line);
    //}
}

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From source file:net.datacrow.onlinesearch.amazon.SignedRequestsHelper.java

public SignedRequestsHelper(String awsAccessKeyId, String awsSecretKey)
        throws UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeyException {
    this.awsAccessKeyId = awsAccessKeyId;
    this.awsSecretKey = awsSecretKey;

    byte[] secretyKeyBytes = this.awsSecretKey.getBytes(UTF8_CHARSET);
    this.secretKeySpec = new SecretKeySpec(secretyKeyBytes, HMAC_SHA256_ALGORITHM);
    this.mac = Mac.getInstance(HMAC_SHA256_ALGORITHM);
    this.mac.init(secretKeySpec);
}

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From source file:net.unicon.cas.chalkwire.servlet.CasChalkWireHttpServlet.java

private static Mac setKey(final String sharedSecret) throws IOException {
    try {/*w  ww.ja  v  a2  s.  c om*/
        final Mac mac = Mac.getInstance("HmacSHA1");
        final byte[] keyBytes = sharedSecret.getBytes("UTF8");
        final SecretKeySpec signingKey = new SecretKeySpec(keyBytes, "HmacSHA1");
        mac.init(signingKey);
        return mac;
    } catch (Exception e) {
        throw new IOException(e);
    }
}

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

public String getChecksumBy(final String key)
        throws IOException, InvalidKeyException, NoSuchAlgorithmException {
    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());
}

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From source file:com.github.tojo.session.cookies.SignatureStrategyDefaultImpl.java

@Override
public byte[] sign(byte[] sessionData) {
    assertNotNullAndEmpty(sessionData);/*from   w  w w.  j  a  v a  2  s . c o  m*/

    byte[] signature = null;
    try {
        Mac mac = Mac.getInstance(HMAC_SHA256);
        mac.init(key);
        signature = mac.doFinal(sessionData);
    } catch (NoSuchAlgorithmException | InvalidKeyException e) {
        throw new InitializationException(e);
    }

    byte[] signedSessionData = ArrayUtils.addAll(signature, sessionData);
    return signedSessionData;
}

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From source file:com.livily.pusher.Pusher.java

/**
 * Returns a HMAC/SHA256 representation of the given string
 * //w w  w.  j av  a2s .  c o m
 * @param data
 * @return
 */
private static String hmacsha256Representation(String data) {
    try {
        // Create the HMAC/SHA256 key from application secret
        final SecretKeySpec signingKey = new SecretKeySpec(pusherApplicationSecret.getBytes(), "HmacSHA256");

        // Create the message authentication code (MAC)
        final Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(signingKey);

        // Process and return data
        byte[] digest = mac.doFinal(data.getBytes("UTF-8"));
        digest = mac.doFinal(data.getBytes());
        // Convert to string
        BigInteger bigInteger = new BigInteger(1, digest);
        return String.format("%0" + (digest.length << 1) + "x", bigInteger);
    } catch (NoSuchAlgorithmException nsae) {
        // We should never come here, because GAE has HMac SHA256
        throw new RuntimeException("No HMac SHA256 algorithm");
    } catch (UnsupportedEncodingException e) {
        // We should never come here, because UTF-8 should be available
        throw new RuntimeException("No UTF-8");
    } catch (InvalidKeyException e) {
        throw new RuntimeException("Invalid key exception while converting to HMac SHA256");
    }
}

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