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:com.iorga.iraj.security.SecurityUtils.java

public static String computeDataSignature(final String secretAccessKey, final String data)
        throws NoSuchAlgorithmException, InvalidKeyException {
    final SecretKeySpec secretKeySpec = new SecretKeySpec(secretAccessKey.getBytes(UTF8_CHARSET), "HmacSHA1");
    final Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(secretKeySpec);/*from  w ww .j av  a 2 s.c o  m*/
    final String signature = Base64.encodeBase64String(mac.doFinal(data.getBytes(UTF8_CHARSET)));
    return StringUtils.chomp(signature);
}

---

From source file:org.jahia.security.TOTP.java

private static int verify_code(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;
    }/* w w w. j  a  v a 2s  . com*/

    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;

    // We're using a long because Java hasn't got unsigned int.
    long truncatedHash = 0;
    for (int i = 0; i < 4; ++i) {
        truncatedHash <<= 8;
        // We are dealing with signed bytes:
        // we just keep the first byte.
        truncatedHash |= (hash[offset + i] & 0xFF);
    }

    truncatedHash &= 0x7FFFFFFF;
    truncatedHash %= 1000000;

    return (int) truncatedHash;
}

---

From source file:com.amazonaws.cognito.devauthsample.Utilities.java

public static String sign(String content, String key) {
    try {/*from w ww . jav  a 2 s  .c o m*/
        byte[] data = content.getBytes(ENCODING_FORMAT);
        Mac mac = Mac.getInstance(SIGNATURE_METHOD);
        mac.init(new SecretKeySpec(key.getBytes(ENCODING_FORMAT), SIGNATURE_METHOD));
        char[] signature = Hex.encodeHex(mac.doFinal(data));
        return new String(signature);
    } catch (Exception e) {
        log.log(Level.SEVERE, "Exception during sign", e);
    }
    return null;
}

---

From source file:edu.internet2.middleware.openid.security.SecurityUtils.java

/**
 * Calculate signature for specified data using an Association.
 * //from  ww w  .j  a va 2  s . c  o  m
 * @param association association
 * @param data data to calculate signature for
 * @return calculated signature
 * @throws SecurityException if unable to calculate the signature
 */
public static String calculateSignature(Association association, String data) throws SecurityException {
    log.debug("calculating signature using association: {}", association.getHandle());
    log.debug("signature data = {}", data);

    try {
        Mac mac = Mac.getInstance(association.getMacKey().getAlgorithm());
        mac.init(association.getMacKey());

        byte[] rawHmac = mac.doFinal(data.getBytes());
        return new String(Base64.encodeBase64(rawHmac));
    } catch (InvalidKeyException e) {
        log.error("Unable to generate MAC - " + e.getMessage());
        throw new SecurityException("Unable to generate MAC", e);
    } catch (NoSuchAlgorithmException e) {
        log.error("Unable to generate MAC - " + e.getMessage());
        throw new SecurityException("Unable to generate MAC", e);
    }
}

---

From source file:com.swdouglass.joid.Crypto.java

private static byte[] hmacShaX(String keySpec, byte[] key, byte[] text)
        throws InvalidKeyException, NoSuchAlgorithmException {
    SecretKey sk = new SecretKeySpec(key, keySpec);
    Mac m = Mac.getInstance(sk.getAlgorithm());
    m.init(sk);//from   w  ww  .j a va  2s . com
    return m.doFinal(text);
}

---

From source file:mp3downloader.ZingSearch.java

private static String hash_hmac(String data, String key) {
    try {/*from   www. ja  v a  2 s  . c o m*/
        // Get an hmac_sha1 key from the raw key bytes
        byte[] keyBytes = key.getBytes();
        SecretKeySpec signingKey = new SecretKeySpec(keyBytes, "HmacMD5");

        // Get an hmac_sha1 Mac instance and initialize with the signing key
        Mac mac = Mac.getInstance("HmacMD5");
        mac.init(signingKey);

        // Compute the hmac on input data bytes
        byte[] rawHmac = mac.doFinal(data.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) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:org.apache.nifi.toolkit.tls.util.TlsHelper.java

public static byte[] calculateHMac(String token, PublicKey publicKey) throws GeneralSecurityException {
    SecretKeySpec keySpec = new SecretKeySpec(token.getBytes(StandardCharsets.UTF_8), "RAW");
    Mac mac = Mac.getInstance("Hmac-SHA256", BouncyCastleProvider.PROVIDER_NAME);
    mac.init(keySpec);//from  w w  w  . j  a  v  a 2 s  .  c o m
    return mac.doFinal(getKeyIdentifier(publicKey));
}

---

From source file:com.klinker.android.twitter.utils.api_helper.TwitterDMPicHelper.java

private static String computeSignature(String baseString, String keyString)
        throws GeneralSecurityException, UnsupportedEncodingException {
    SecretKey secretKey = null;//from   w  ww .  j  a  v a 2 s  .com

    byte[] keyBytes = keyString.getBytes();
    secretKey = new SecretKeySpec(keyBytes, "HmacSHA1");

    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(secretKey);

    byte[] text = baseString.getBytes();

    return new String(BASE64Encoder.encode(mac.doFinal(text))).trim();
}

---

From source file:com.the_incognito.darry.incognitochatmessengertest.BouncyCastleImplementation.java

public static boolean isValid(String plainText, String HMAC, String key) {
    try {//from  www .ja  v  a2 s .  c  o m
        System.out.println("HMAC on = " + plainText);
        SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256",
                new BouncyCastleProvider());
        char password[] = key.toCharArray();
        byte salt[] = "salt".getBytes();
        KeySpec spec = new PBEKeySpec(password, salt, 65536, 256);
        SecretKey tmp = factory.generateSecret(spec);
        SecretKey secret = new SecretKeySpec(tmp.getEncoded(), "HmacSHA256");
        // Get an hmac_sha1 Mac instance and initialize with the signing key
        Mac mac = Mac.getInstance("HmacSHA256", new BouncyCastleProvider());
        mac.init(secret);
        // Compute the hmac on input data bytes
        byte[] rawHmac = mac.doFinal(plainText.getBytes());
        // Convert raw bytes to Hex
        byte[] hexBytes = new Hex().encode(rawHmac);

        //  Covert array of Hex bytes to a String
        String check = new String(hexBytes, "UTF-8");
        System.out.println("Checking = " + check);
        return check.equals(HMAC);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:chronic.app.ChronicCookie.java

public static String createAuthCode(byte[] secret, String string, long value) throws GeneralSecurityException {
    Mac mac = Mac.getInstance("HmacSHA1");
    SecretKeySpec signKey = new SecretKeySpec(secret, "HmacSHA1");
    mac.init(signKey);//from   ww  w  . j  av  a2  s.c o m
    mac.update(string.getBytes());
    return new Base32().encodeAsString(mac.doFinal(Bytes.toByteArray(value)));
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• »