Example usage for javax.crypto Mac init

Introduction

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

Prototype

public final void init(Key key) throws InvalidKeyException 

Source Link

Document

Initializes this Mac object with the given key.

Usage

From source file:com.muk.ext.security.impl.DefaultNonceService.java

private String hash(String salt, String payload) throws NoSuchAlgorithmException, InvalidKeyException {
    Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
    SecretKeySpec secret_key = new SecretKeySpec(salt.getBytes(), "HmacSHA256");
    sha256_HMAC.init(secret_key);

    return Base64.encodeBase64URLSafeString(sha256_HMAC.doFinal(payload.getBytes()));
}

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From source file:com.eucalyptus.objectstorage.pipeline.WalrusSoapUserAuthenticationHandler.java

protected String checkSignature(final String queryKey, final String subject) throws AuthenticationException {
    SecretKeySpec signingKey = new SecretKeySpec(queryKey.getBytes(), Hmac.HmacSHA1.toString());
    try {/*w  w w. ja  v a  2s  .  co  m*/
        Mac mac = Hmac.HmacSHA1.getInstance();
        mac.init(signingKey);
        byte[] rawHmac = mac.doFinal(subject.getBytes());
        return new String(Base64.encode(rawHmac)).replaceAll("=", "");
    } catch (Exception e) {
        LOG.error(e, e);
        throw new AuthenticationException("Failed to compute signature");
    }
}

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From source file:net.sourceforge.vulcan.web.SignedRequestAuthorizationFilter.java

@Override
protected void initFilterBean() throws ServletException {
    if (StringUtils.isBlank(sharedSecret)) {
        secretKey = null;/*from ww  w . j a v a 2s  .c  o  m*/
        return;
    }

    try {
        secretKey = new SecretKeySpec(sharedSecret.getBytes(), algorithm);

        // Initialize a mac instance to fail fast on NoSuchAlgorithmException or InvalidKeyException.
        // This way any configuration errors will prevent the application from starting instead of causing
        // problems later.
        final Mac mac = Mac.getInstance(algorithm);

        mac.init(secretKey);
    } catch (NoSuchAlgorithmException e) {
        throw new ServletException(e);
    } catch (InvalidKeyException e) {
        throw new ServletException(e);
    }
}

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From source file:net.alegen.datpass.library.crypto.CryptoManager.java

public String generateHmac(EncryptionOutput encryptionOutput, String password) {
    final String ctext = encryptionOutput.getCypherText();
    final String salt = encryptionOutput.getSalt();
    final String iv = encryptionOutput.getIV();
    try {//from  w ww.  ja  va 2  s .c  o m
        // create the hmac key and message
        MessageDigest md = MessageDigest.getInstance("SHA-512");
        byte[] hmacKey = md.digest(password.getBytes("UTF-8"));
        byte[] hmacMessage = (iv + ctext + salt).getBytes("UTF-8");

        // generate hmac
        SecretKeySpec keySpec = new SecretKeySpec(hmacKey, "HmacSHA1");
        Mac mac = Mac.getInstance("HmacSHA1");
        mac.init(keySpec);
        byte[] result = mac.doFinal(hmacMessage);

        // return result
        result = Base64.encodeBase64(result);
        return new String(result, "UTF-8");
    } catch (NoSuchAlgorithmException | InvalidKeyException | UnsupportedEncodingException e) {
        log.error("An error occured while generating an HMAC value.");
        return null;
    }
}

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From source file:com.emc.vipr.ribbon.ViPRDataServicesServerList.java

protected String getSignature(String canonicalString, String secret) throws Exception {
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(new SecretKeySpec(secret.getBytes("UTF-8"), "HmacSHA1"));
    String signature = new String(Base64.encodeBase64(mac.doFinal(canonicalString.getBytes("UTF-8"))));
    logger.debug("canonicalString:\n" + canonicalString);
    logger.debug("signature:\n" + signature);
    return signature;
}

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From source file:org.dasein.cloud.qingcloud.util.requester.QingCloudRequestBuilder.java

private String doMac(byte[] accessKeySecret, String stringToSign) throws InternalException {
    String signature;//from   w ww.  j av  a2s.  com
    try {
        Mac mac = Mac.getInstance(SIGNATURE_ALGORITHM);
        mac.init(new SecretKeySpec(accessKeySecret, SIGNATURE_ALGORITHM));
        byte[] signedData = mac.doFinal(stringToSign.getBytes(ENCODING));
        signature = new String(Base64.encodeBase64(signedData));
    } catch (NoSuchAlgorithmException noSuchAlgorithmException) {
        logger.error("AliyunRequestBuilderStrategy.sign() failed due to algorithm not supported: "
                + noSuchAlgorithmException.getMessage());
        throw new InternalException(noSuchAlgorithmException);
    } catch (InvalidKeyException invalidKeyException) {
        logger.error("AliyunRequestBuilderStrategy.sign() failed due to key invalid: "
                + invalidKeyException.getMessage());
        throw new InternalException(invalidKeyException);
    } catch (UnsupportedEncodingException unsupportedEncodingException) {
        logger.error("AliyunMethod.sign() failed due to encoding not supported: "
                + unsupportedEncodingException.getMessage());
        throw new InternalException(unsupportedEncodingException);
    }
    return signature;
}

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From source file:fitmon.DietAPI.java

public ArrayList<ArrayList<Food>> searchFood(String foodName) throws InvalidKeyException,
        NoSuchAlgorithmException, ParserConfigurationException, SAXException, IOException {
    xmlParser xParser = new xmlParser();
    ArrayList<ArrayList<Food>> listOfFoodList = new ArrayList<ArrayList<Food>>();
    ArrayList<String> list;
    String base = URLEncoder.encode("GET") + "&";
    base += "http%3A%2F%2Fplatform.fatsecret.com%2Frest%2Fserver.api&";
    String params;/*from  www  .  j  av  a 2s  .c  o  m*/

    //params = "format=json&";
    params = "method=foods.search&";
    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=" + foodName;

    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);
    list = xParser.foodSearchParser(url);
    for (int i = 0; i < list.size(); i++) {
        listOfFoodList.add(getFood(list.get(i)));
    }

    return listOfFoodList;
}

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From source file:org.apache.nifi.web.security.otp.OtpService.java

/**
 * Hashes the specified authentication token. The resulting value will be used as the one time use token.
 *
 * @param authenticationToken   the authentication token
 * @return                      the one time use token
 *///from w ww . j a v a 2  s .  co m
private String hash(final OtpAuthenticationToken authenticationToken) {
    try {
        // input is the user identity and timestamp
        final String input = authenticationToken.getName() + "-" + System.nanoTime();

        // create the secret using secure random
        final SecureRandom secureRandom = new SecureRandom();
        final byte[] randomBytes = new byte[32];
        secureRandom.nextBytes(randomBytes);
        final SecretKeySpec secret = new SecretKeySpec(randomBytes, HMAC_SHA256); // 256 bit

        // hash the input
        final Mac hmacSha256 = Mac.getInstance(HMAC_SHA256);
        hmacSha256.init(secret);
        final byte[] output = hmacSha256.doFinal(input.getBytes(StandardCharsets.UTF_8));

        // return the result as a base 64 string
        return Base64.encodeBase64URLSafeString(output);
    } catch (final NoSuchAlgorithmException | InvalidKeyException e) {
        final String errorMessage = "There was an error generating the OTP";
        logger.error(errorMessage, e);
        throw new IllegalStateException("Unable to generate single use token.");
    }
}

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From source file:org.apache.qpid.server.security.auth.sasl.CRAMMD5HexServerTest.java

/**
 * Since we don't have a CRAM-MD5-HEX implementation client implementation in Java, this method
 * provides the implementation for first principals.
 *
 * @param userId user id/*from   ww w.  j  av  a2  s .  com*/
 * @param clearTextPassword clear text password
 * @param serverChallenge challenge from server
 *
 * @return challenge response
 */
private byte[] generateClientResponse(final String userId, final String clearTextPassword,
        final byte[] serverChallenge) throws Exception {
    byte[] digestedPasswordBytes = MessageDigest.getInstance("MD5").digest(clearTextPassword.getBytes());
    char[] hexEncodedDigestedPassword = Hex.encodeHex(digestedPasswordBytes);
    byte[] hexEncodedDigestedPasswordBytes = new String(hexEncodedDigestedPassword).getBytes();

    Mac hmacMd5 = Mac.getInstance("HmacMD5");
    hmacMd5.init(new SecretKeySpec(hexEncodedDigestedPasswordBytes, "HmacMD5"));
    final byte[] messageAuthenticationCode = hmacMd5.doFinal(serverChallenge);

    // Build client response
    String responseAsString = userId + " " + new String(Hex.encodeHex(messageAuthenticationCode));
    byte[] resp = responseAsString.getBytes();
    return resp;
}

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From source file:com.baidubce.auth.BceV1Signer.java

private String sha256Hex(String signingKey, String stringToSign) {
    try {//ww  w  .j  a v a  2  s.c o m
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(new SecretKeySpec(signingKey.getBytes(UTF8), "HmacSHA256"));
        return new String(Hex.encodeHex(mac.doFinal(stringToSign.getBytes(UTF8))));
    } catch (Exception e) {
        throw new BceClientException("Fail to generate the signature", e);
    }
}

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