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.apache.sling.auth.xing.login.XingLoginUtil.java

private static byte[] hmac(final String message, final String secretKey, final String hashAlgorithm)
        throws NoSuchAlgorithmException, InvalidKeyException, UnsupportedEncodingException {
    final SecretKeySpec secretKeySpec = new SecretKeySpec(secretKey.getBytes(), hashAlgorithm);
    final Mac mac = Mac.getInstance(hashAlgorithm);
    mac.init(secretKeySpec);/*from w  w w . j  a  v  a2 s  .  c  om*/
    return mac.doFinal(message.getBytes("UTF-8"));
}

From source file:Main.java

public static String createHMACWithMD5(String source, String key)
        throws NoSuchAlgorithmException, InvalidKeyException {
    Mac hmac = Mac.getInstance("HmacMD5");
    SecretKeySpec secretKey = new SecretKeySpec(key.getBytes(), hmac.getAlgorithm());
    hmac.init(secretKey);/*ww  w  .  ja  va2 s  .  co  m*/

    byte[] signature = hmac.doFinal(source.getBytes());
    return Base64.encodeToString(signature, Base64.DEFAULT);
}

From source file:org.mule.modules.acquialift.client.HmacUtil.java

private static String hmacEncodeRequest(String canonicalRequest, String secretKey) throws Exception {
    SecretKeySpec keySpec = new SecretKeySpec(secretKey.getBytes(StandardCharsets.UTF_8), HMAC_SHA1_ALGORITHM);
    Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
    mac.init(keySpec);//from w ww. j a  v  a  2s  .  c  o m
    byte[] result = mac.doFinal(canonicalRequest.getBytes(StandardCharsets.UTF_8));
    return Base64.encodeBytes(result);
}

From source file:me.buom.shiro.util.HmacSha1.java

public static byte[] hash(byte[] privateKey, String stringToSign)
        throws NoSuchAlgorithmException, InvalidKeyException {
    // Get an hmac_sha1 key from the raw key bytes
    SecretKeySpec signingKey = new SecretKeySpec(privateKey, HMAC_SHA1_ALGORITHM);

    // Get an hmac_sha1 Mac instance and initialize with the signing key
    Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
    mac.init(signingKey);/*ww w.j  ava2 s. co  m*/

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

    // Convert raw bytes to Hex
    return new Hex().encode(rawHmac);
}

From source file:org.apache.cloudstack.cloudian.client.CloudianUtils.java

/**
 * Generates RFC-2104 compliant HMAC signature
 * @param data/*from w  ww  . j  av a 2 s. c  om*/
 * @param key
 * @return returns the generated signature or null on error
 */
public static String generateHMACSignature(final String data, final String key) {
    if (Strings.isNullOrEmpty(data) || Strings.isNullOrEmpty(key)) {
        return null;
    }
    try {
        final SecretKeySpec signingKey = new SecretKeySpec(key.getBytes(), HMAC_SHA1_ALGORITHM);
        final Mac mac = Mac.getInstance(HMAC_SHA1_ALGORITHM);
        mac.init(signingKey);
        byte[] rawHmac = mac.doFinal(data.getBytes());
        return Base64.encodeBase64String(rawHmac);
    } catch (final Exception e) {
        LOG.error("Failed to generate HMAC signature from provided data and key, due to: ", e);
    }
    return null;
}

From source file:cn.ucloud.sdk.utils.EncoderUtils.java

/**
 * SHA1//from  www.  java 2s.com
 * @param key
 * @param str
 * @return
 */
public static String sha1(String key, String str) {
    String algorithm = "HmacSHA1";
    String result = null;
    try {
        SecretKeySpec keySpec = new SecretKeySpec(key.getBytes("UTF-8"), algorithm);
        Mac mac = Mac.getInstance(algorithm);
        mac.init(keySpec);
        result = getFormattedText(mac.doFinal(str.getBytes("UTF-8")));
    } catch (Exception e) {
        LogUtils.exception(logger, e);
    }
    return result;
}

From source file:Main.java

public static String encodeHmac(String key, String data) throws Exception {
    Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
    SecretKeySpec secret_key = new SecretKeySpec(key.getBytes(), "HmacSHA256");
    sha256_HMAC.init(secret_key);//from  ww  w.j  a v  a  2s.  c  o m

    return bytesToHex(sha256_HMAC.doFinal(data.getBytes()));
}

From source file:Main.java

public static byte[] generateCramMD5ClientResponse(String userName, String userPassword, byte[] challengeBytes)
        throws Exception {
    String macAlgorithm = "HmacMD5";
    Mac mac = Mac.getInstance(macAlgorithm);
    mac.init(new SecretKeySpec(userPassword.getBytes("UTF-8"), macAlgorithm));
    final byte[] messageAuthenticationCode = mac.doFinal(challengeBytes);
    String responseAsString = userName + " " + toHex(messageAuthenticationCode);
    return responseAsString.getBytes();
}

From source file:Main.java

private static String computeSignature(String baseString, String keyString)
        throws GeneralSecurityException, UnsupportedEncodingException {
    Mac mac = Mac.getInstance("HmacSHA256");
    SecretKeySpec secret = new SecretKeySpec(keyString.getBytes("UTF-8"), "HmacSHA256");
    mac.init(secret);//from  ww  w  .  j  av a2 s  .c  om
    byte[] byteData = mac.doFinal(baseString.getBytes("UTF-8"));

    BigInteger hash = new BigInteger(1, byteData);
    String hmac = hash.toString(16);

    if (hmac.length() % 2 != 0) {
        hmac = "0" + hmac;
    }

    return hmac;
}

From source file:com.nlworks.wowapi.util.ConnectionManager.java

private static String generateSignature(String key, String data) throws GeneralSecurityException, IOException {
    byte[] hmacData = null;
    SecretKeySpec secretKey = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA1");
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(secretKey);/*from  w  w  w  .j  a  v a 2 s. c  o m*/
    hmacData = mac.doFinal(data.getBytes("UTF-8"));
    return Base64.encodeBase64String(hmacData);
}