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.gtri.totp.java

/** getCode
  *   Calculates the code for the provided time and shared secret.
  *///from  w  ww .j av a2 s  .c  o  m
public int getCode(String sharedSecret, long time) throws NoSuchAlgorithmException, InvalidKeyException {
    byte[] secret = new Base32().decode(sharedSecret);
    SecretKeySpec signKey = new SecretKeySpec(secret, "HmacSHA1");
    ByteBuffer buffer = ByteBuffer.allocate(8);
    buffer.putLong(time);
    byte[] timeBytes = buffer.array();
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(signKey);
    byte[] hash = mac.doFinal(timeBytes);
    int offset = hash[19] & 0xf;
    long truncatedHash = hash[offset] & 0x7f;
    for (int i = 1; i < 4; i++) {
        truncatedHash <<= 8;
        truncatedHash |= hash[offset + i] & 0xff;
    }
    return (int) (truncatedHash %= 1000000);
}

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From source file:au.com.borner.salesforce.client.rest.domain.LoginResponse.java

public void verify(String consumerSecret) {
    SecretKey hmacKey = null;//  ww w.ja  v a  2s. c om
    try {
        byte[] key = consumerSecret.getBytes();
        hmacKey = new SecretKeySpec(key, ALGORITHM);
        Mac mac = Mac.getInstance(ALGORITHM);
        mac.init(hmacKey);
        byte[] digest = mac.doFinal((getIdUrl() + getIssuedAt()).getBytes());
        byte[] decode_sig = new Base64(true).decode(getSignature());
        if (!Arrays.equals(digest, decode_sig)) {
            throw new SecurityException("Signature could not be verified!");
        }
    } catch (NoSuchAlgorithmException e) {
        throw new SecurityException(String.format(
                "Algorithm not found while trying to verifying signature: algorithm=%s; message=%s", ALGORITHM,
                e.getMessage()), e);
    } catch (InvalidKeyException e) {
        throw new SecurityException(
                String.format("Invalid key encountered while trying to verify signature: key=%s; message=%s",
                        hmacKey, e.getMessage()),
                e);
    }
}

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From source file:com.k42b3.aletheia.oauth.HMACSHA1.java

public String build(String baseString, String consumerSecret, String tokenSecret) {
    try {/*  w  w w  .jav a2  s  .c  om*/
        String key = Oauth.urlEncode(consumerSecret) + "&" + Oauth.urlEncode(tokenSecret);

        Mac mac = Mac.getInstance("HmacSHA1");
        SecretKeySpec secret = new SecretKeySpec(key.getBytes(), "HmacSHA1");
        mac.init(secret);
        byte[] result = mac.doFinal(baseString.getBytes());

        return Base64.encodeBase64String(result);
    } catch (Exception e) {
        Aletheia.handleException(e);

        return null;
    }
}

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From source file:net.webpasswordsafe.server.plugin.authentication.TwoStepTOTPAuthenticator.java

private int calculateCode(byte[] key, long t) throws NoSuchAlgorithmException, InvalidKeyException {
    byte[] data = new byte[8];
    long value = t;
    for (int i = 8; i-- > 0; value >>>= 8) {
        data[i] = (byte) value;
    }//from   ww  w  .  jav a 2  s  . co m
    SecretKeySpec signKey = new SecretKeySpec(key, "HmacSHA1");
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(signKey);
    byte[] hash = mac.doFinal(data);
    int offset = hash[20 - 1] & 0xF;
    long truncatedHash = 0;
    for (int i = 0; i < 4; ++i) {
        truncatedHash <<= 8;
        truncatedHash |= (hash[offset + i] & 0xFF);
    }
    truncatedHash &= 0x7FFFFFFF;
    truncatedHash %= 1000000;
    return (int) truncatedHash;
}

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From source file:com.coinkite.CoinkiteSigningRequestInterceptor.java

public String[] createSigAndTimestamp(String url) throws NoSuchAlgorithmException, InvalidKeyException {
    String apiSecret = getApiSecret();
    SecretKeySpec signingKey = new SecretKeySpec(apiSecret.getBytes(StandardCharsets.UTF_8), HMAC_SHA512_ALG);

    Mac mac = Mac.getInstance(HMAC_SHA512_ALG);
    mac.init(signingKey);/*from   w ww  . ja v a 2  s. c  om*/

    String ts = getDateTime().format(ISO_DATE_TIME);

    byte[] bytes = mac.doFinal(getData(url, ts));
    String encoded = Hex.encodeHexString(bytes);

    return new String[] { encoded, ts };
}

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From source file:com.eucalyptus.auth.login.Hmacv1LoginModule.java

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

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From source file:ninja.utils.Crypto.java

private String signHmacSha1(String value, String key) {
    try {/*  ww w  . ja  va2  s .  c o  m*/

        // Get an hmac_sha1 key from the raw key bytes
        byte[] keyBytes = key.getBytes();
        SecretKeySpec signingKey = new SecretKeySpec(keyBytes, "HmacSHA1");

        // Get an hmac_sha1 Mac instance and initialize with the signing key
        Mac mac = Mac.getInstance("HmacSHA1");
        mac.init(signingKey);

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

        // Convert raw bytes to Hex
        byte[] hexBytes = new Hex().encode(rawHmac);

        // Covert array of Hex bytes to a String
        return new String(hexBytes, "UTF-8");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.ksb.util.geo.G3UrlSigner.java

/**
 * Provide Google API Compatible URL signing (see https://developers.google.com/maps/documentation/business/webservices/auth)
 *
 * @param path URL path String/*from   w w  w.  j a va2s.  c  om*/
 * @param query URL query String
 * @return String URL
 *
 * @throws NoSuchAlgorithmException
 * @throws InvalidKeyException
 * @throws UnsupportedEncodingException
 * @throws URISyntaxException
 */
public String signRequest(String path, String query)
        throws NoSuchAlgorithmException, InvalidKeyException, UnsupportedEncodingException, URISyntaxException {

    // Retrieve the proper URL components to sign
    String resource = path + '?' + query;

    // Get an HMAC-SHA1 signing key from the raw key bytes
    SecretKeySpec sha1Key = new SecretKeySpec(key, "HmacSHA1");

    // Get an HMAC-SHA1 Mac instance and initialize it with the HMAC-SHA1 key
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(sha1Key);

    // compute the binary signature for the request
    byte[] sigBytes = mac.doFinal(resource.getBytes());

    // base 64 encode the binary signature
    //String signature = Base64.encodeBase64URLSafeString(sigBytes);
    String signature = Base64.encodeBase64String(sigBytes);

    // convert the signature to 'web safe' base 64
    signature = signature.replace('+', '-');
    signature = signature.replace('/', '_');

    return resource + "&signature=" + signature;
}

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From source file:com.mlohr.hvvgti.ApiClient.java

private String generateSignature(JSONObject data) {
    Charset passwordEncoding = Charset.forName("UTF-8");
    String algorithm = getSignatureAlgorithm().getAlgorithmString();
    byte[] key = authKey.getBytes(passwordEncoding);
    SecretKeySpec keySpec = new SecretKeySpec(key, algorithm);
    try {//from ww w  .  j  a va 2s.c o  m
        Mac mac = Mac.getInstance(algorithm);
        mac.init(keySpec);
        byte[] signature = mac.doFinal(data.toString().getBytes());
        return new String(Base64.encodeBase64(signature));
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    } catch (InvalidKeyException e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.megam.api.APIContentBuilder.java

private String calculateHMAC(String secret, String data) throws NoSuchAlgorithmException, InvalidKeyException {
    SecretKeySpec signingKey = new SecretKeySpec(secret.getBytes(), "RAW");
    Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
    mac.init(signingKey);//  w  w  w  .  j a  v a 2s .  c o m
    byte[] rawHmac = mac.doFinal(data.getBytes());
    //String result = new String(Base64.encodeBase64(rawHmac));
    String result = bytesToHex(rawHmac);
    return result;
}

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